2001-07-22 16:18:56 +02:00
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/*
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* utils for libavcodec
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2009-01-19 16:46:40 +01:00
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* Copyright (c) 2001 Fabrice Bellard
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2004-01-10 17:04:55 +01:00
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* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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2001-07-22 16:18:56 +02:00
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*
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2011-03-18 18:35:10 +01:00
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* This file is part of Libav.
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2006-10-07 17:30:46 +02:00
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*
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2011-03-18 18:35:10 +01:00
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* Libav is free software; you can redistribute it and/or
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2002-05-26 00:45:33 +02:00
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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2006-10-07 17:30:46 +02:00
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* version 2.1 of the License, or (at your option) any later version.
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2001-07-22 16:18:56 +02:00
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*
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2011-03-18 18:35:10 +01:00
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* Libav is distributed in the hope that it will be useful,
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2001-07-22 16:18:56 +02:00
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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2002-05-26 00:45:33 +02:00
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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2001-07-22 16:18:56 +02:00
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*
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2002-05-26 00:45:33 +02:00
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* You should have received a copy of the GNU Lesser General Public
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2011-03-18 18:35:10 +01:00
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* License along with Libav; if not, write to the Free Software
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2006-01-12 23:43:26 +01:00
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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2001-07-22 16:18:56 +02:00
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*/
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2005-12-17 19:14:38 +01:00
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2003-03-06 12:32:04 +01:00
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/**
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2010-04-20 16:45:34 +02:00
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* @file
|
2003-03-06 12:32:04 +01:00
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* utils.
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*/
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2005-12-17 19:14:38 +01:00
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2013-02-08 15:55:52 +01:00
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#include "config.h"
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2013-02-01 10:31:59 +01:00
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#include "libavutil/attributes.h"
|
2011-12-18 19:20:15 +01:00
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#include "libavutil/avassert.h"
|
2008-11-06 00:28:41 +01:00
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|
#include "libavutil/avstring.h"
|
2012-11-10 16:00:00 +01:00
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|
#include "libavutil/channel_layout.h"
|
2008-05-09 13:56:36 +02:00
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#include "libavutil/crc.h"
|
2012-11-21 21:34:46 +01:00
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#include "libavutil/frame.h"
|
2011-06-04 13:58:23 +02:00
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#include "libavutil/mathematics.h"
|
2010-02-27 22:13:22 +01:00
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#include "libavutil/pixdesc.h"
|
2011-02-07 14:37:08 +01:00
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#include "libavutil/imgutils.h"
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#include "libavutil/samplefmt.h"
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2011-05-22 14:10:49 +02:00
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#include "libavutil/dict.h"
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2001-07-22 16:18:56 +02:00
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#include "avcodec.h"
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2002-05-19 00:59:50 +02:00
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#include "dsputil.h"
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2010-09-26 16:25:22 +02:00
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#include "libavutil/opt.h"
|
2011-02-08 03:15:44 +01:00
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#include "thread.h"
|
2009-01-16 17:20:42 +01:00
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#include "internal.h"
|
2011-12-16 11:59:26 +01:00
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#include "bytestream.h"
|
2013-01-22 02:41:54 +01:00
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#include "version.h"
|
2008-08-15 00:01:59 +02:00
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#include <stdlib.h>
|
2003-11-03 14:26:22 +01:00
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#include <stdarg.h>
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2004-05-04 04:58:30 +02:00
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#include <limits.h>
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2005-09-06 14:51:56 +02:00
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#include <float.h>
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2001-07-22 16:18:56 +02:00
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|
2012-09-14 19:18:17 +02:00
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static int volatile entangled_thread_counter = 0;
|
2013-04-20 21:51:11 +02:00
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static int (*lockmgr_cb)(void **mutex, enum AVLockOp op);
|
2009-05-31 08:51:18 +02:00
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static void *codec_mutex;
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2011-10-30 00:20:15 +02:00
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static void *avformat_mutex;
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2005-07-25 16:35:01 +02:00
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2011-04-12 20:46:49 +02:00
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void *av_fast_realloc(void *ptr, unsigned int *size, size_t min_size)
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2003-01-24 00:03:09 +01:00
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{
|
2012-09-14 19:18:17 +02:00
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|
|
if (min_size < *size)
|
2003-01-24 00:03:09 +01:00
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return ptr;
|
2005-12-17 19:14:38 +01:00
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|
2012-09-14 19:18:17 +02:00
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min_size = FFMAX(17 * min_size / 16 + 32, min_size);
|
2003-01-24 00:03:09 +01:00
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|
2012-09-14 19:18:17 +02:00
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ptr = av_realloc(ptr, min_size);
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/* we could set this to the unmodified min_size but this is safer
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* if the user lost the ptr and uses NULL now
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*/
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if (!ptr)
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min_size = 0;
|
2010-12-04 05:00:21 +01:00
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2012-09-14 19:18:17 +02:00
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*size = min_size;
|
2008-03-25 11:15:17 +01:00
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return ptr;
|
2003-01-24 00:03:09 +01:00
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}
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|
2011-04-12 20:46:49 +02:00
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void av_fast_malloc(void *ptr, unsigned int *size, size_t min_size)
|
2009-04-12 15:17:37 +02:00
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{
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void **p = ptr;
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if (min_size < *size)
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return;
|
2012-09-14 19:18:17 +02:00
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min_size = FFMAX(17 * min_size / 16 + 32, min_size);
|
2009-04-12 15:17:37 +02:00
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av_free(*p);
|
2010-12-04 05:00:21 +01:00
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*p = av_malloc(min_size);
|
2012-09-14 19:18:17 +02:00
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if (!*p)
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min_size = 0;
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|
*size = min_size;
|
2009-04-12 15:17:37 +02:00
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}
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|
2012-01-31 16:40:11 +01:00
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void av_fast_padded_malloc(void *ptr, unsigned int *size, size_t min_size)
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|
{
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void **p = ptr;
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|
if (min_size > SIZE_MAX - FF_INPUT_BUFFER_PADDING_SIZE) {
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av_freep(p);
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|
*size = 0;
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return;
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|
}
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|
av_fast_malloc(p, size, min_size + FF_INPUT_BUFFER_PADDING_SIZE);
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|
if (*size)
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|
memset((uint8_t *)*p + min_size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
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}
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|
2001-07-22 16:18:56 +02:00
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/* encoder management */
|
2008-10-04 11:29:31 +02:00
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static AVCodec *first_avcodec = NULL;
|
2001-07-22 16:18:56 +02:00
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|
2012-08-11 14:50:36 +02:00
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AVCodec *av_codec_next(const AVCodec *c)
|
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{
|
2012-09-14 19:18:17 +02:00
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|
if (c)
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|
return c->next;
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else
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return first_avcodec;
|
2007-12-12 19:40:11 +01:00
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}
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|
2013-02-01 10:31:59 +01:00
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static av_cold void avcodec_init(void)
|
2011-09-01 16:59:35 +02:00
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{
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static int initialized = 0;
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if (initialized != 0)
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return;
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initialized = 1;
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|
2013-03-12 15:28:11 +01:00
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|
if (CONFIG_DSPUTIL)
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ff_dsputil_static_init();
|
2011-09-01 16:59:35 +02:00
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|
}
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|
2012-08-11 14:50:36 +02:00
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int av_codec_is_encoder(const AVCodec *codec)
|
2011-12-18 19:20:15 +01:00
|
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|
{
|
2012-08-18 16:41:24 +02:00
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|
return codec && (codec->encode_sub || codec->encode2);
|
2011-12-18 19:20:15 +01:00
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}
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|
2012-08-11 14:50:36 +02:00
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int av_codec_is_decoder(const AVCodec *codec)
|
2011-12-18 19:20:15 +01:00
|
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{
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|
return codec && codec->decode;
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}
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|
2013-02-01 10:31:59 +01:00
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av_cold void avcodec_register(AVCodec *codec)
|
2001-07-22 16:18:56 +02:00
|
|
|
{
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|
AVCodec **p;
|
2008-12-14 21:04:00 +01:00
|
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|
avcodec_init();
|
2001-07-22 16:18:56 +02:00
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p = &first_avcodec;
|
2012-09-14 19:18:17 +02:00
|
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|
while (*p != NULL)
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|
p = &(*p)->next;
|
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|
*p = codec;
|
2008-12-14 20:36:38 +01:00
|
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|
codec->next = NULL;
|
2011-10-05 21:09:51 +02:00
|
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|
if (codec->init_static_data)
|
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|
codec->init_static_data(codec);
|
2001-07-22 16:18:56 +02:00
|
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|
}
|
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|
2010-04-01 08:41:16 +02:00
|
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unsigned avcodec_get_edge_width(void)
|
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|
|
{
|
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|
return EDGE_WIDTH;
|
|
|
|
}
|
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|
2012-09-14 19:18:17 +02:00
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|
void avcodec_set_dimensions(AVCodecContext *s, int width, int height)
|
|
|
|
{
|
|
|
|
s->coded_width = width;
|
|
|
|
s->coded_height = height;
|
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|
s->width = width;
|
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|
s->height = height;
|
2004-09-27 13:50:56 +02:00
|
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|
}
|
|
|
|
|
2013-02-08 15:55:52 +01:00
|
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|
#if (ARCH_ARM && HAVE_NEON) || ARCH_PPC || HAVE_MMX
|
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|
# define STRIDE_ALIGN 16
|
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|
#else
|
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|
# define STRIDE_ALIGN 8
|
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|
#endif
|
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|
2011-11-14 22:07:03 +01:00
|
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|
void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
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int linesize_align[AV_NUM_DATA_POINTERS])
|
|
|
|
{
|
|
|
|
int i;
|
2012-09-14 19:18:17 +02:00
|
|
|
int w_align = 1;
|
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|
int h_align = 1;
|
2005-12-17 19:14:38 +01:00
|
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|
2012-09-14 19:18:17 +02:00
|
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switch (s->pix_fmt) {
|
2012-10-06 12:10:34 +02:00
|
|
|
case AV_PIX_FMT_YUV420P:
|
|
|
|
case AV_PIX_FMT_YUYV422:
|
|
|
|
case AV_PIX_FMT_UYVY422:
|
|
|
|
case AV_PIX_FMT_YUV422P:
|
|
|
|
case AV_PIX_FMT_YUV440P:
|
|
|
|
case AV_PIX_FMT_YUV444P:
|
|
|
|
case AV_PIX_FMT_GBRP:
|
|
|
|
case AV_PIX_FMT_GRAY8:
|
|
|
|
case AV_PIX_FMT_GRAY16BE:
|
|
|
|
case AV_PIX_FMT_GRAY16LE:
|
|
|
|
case AV_PIX_FMT_YUVJ420P:
|
|
|
|
case AV_PIX_FMT_YUVJ422P:
|
|
|
|
case AV_PIX_FMT_YUVJ440P:
|
|
|
|
case AV_PIX_FMT_YUVJ444P:
|
|
|
|
case AV_PIX_FMT_YUVA420P:
|
2012-10-01 04:18:02 +02:00
|
|
|
case AV_PIX_FMT_YUVA422P:
|
|
|
|
case AV_PIX_FMT_YUVA444P:
|
2012-10-06 12:10:34 +02:00
|
|
|
case AV_PIX_FMT_YUV420P9LE:
|
|
|
|
case AV_PIX_FMT_YUV420P9BE:
|
|
|
|
case AV_PIX_FMT_YUV420P10LE:
|
|
|
|
case AV_PIX_FMT_YUV420P10BE:
|
|
|
|
case AV_PIX_FMT_YUV422P9LE:
|
|
|
|
case AV_PIX_FMT_YUV422P9BE:
|
|
|
|
case AV_PIX_FMT_YUV422P10LE:
|
|
|
|
case AV_PIX_FMT_YUV422P10BE:
|
|
|
|
case AV_PIX_FMT_YUV444P9LE:
|
|
|
|
case AV_PIX_FMT_YUV444P9BE:
|
|
|
|
case AV_PIX_FMT_YUV444P10LE:
|
|
|
|
case AV_PIX_FMT_YUV444P10BE:
|
|
|
|
case AV_PIX_FMT_GBRP9LE:
|
|
|
|
case AV_PIX_FMT_GBRP9BE:
|
|
|
|
case AV_PIX_FMT_GBRP10LE:
|
|
|
|
case AV_PIX_FMT_GBRP10BE:
|
2011-12-13 15:32:34 +01:00
|
|
|
w_align = 16; //FIXME assume 16 pixel per macroblock
|
|
|
|
h_align = 16 * 2; // interlaced needs 2 macroblocks height
|
2003-10-15 23:59:08 +02:00
|
|
|
break;
|
2012-10-06 12:10:34 +02:00
|
|
|
case AV_PIX_FMT_YUV411P:
|
|
|
|
case AV_PIX_FMT_UYYVYY411:
|
2012-09-14 19:18:17 +02:00
|
|
|
w_align = 32;
|
|
|
|
h_align = 8;
|
2003-10-15 23:59:08 +02:00
|
|
|
break;
|
2012-10-06 12:10:34 +02:00
|
|
|
case AV_PIX_FMT_YUV410P:
|
2012-09-14 19:18:17 +02:00
|
|
|
if (s->codec_id == AV_CODEC_ID_SVQ1) {
|
|
|
|
w_align = 64;
|
|
|
|
h_align = 64;
|
2003-10-15 23:59:08 +02:00
|
|
|
}
|
2012-10-06 12:10:34 +02:00
|
|
|
case AV_PIX_FMT_RGB555:
|
2012-09-14 19:18:17 +02:00
|
|
|
if (s->codec_id == AV_CODEC_ID_RPZA) {
|
|
|
|
w_align = 4;
|
|
|
|
h_align = 4;
|
2004-06-27 13:07:05 +02:00
|
|
|
}
|
2012-10-06 12:10:34 +02:00
|
|
|
case AV_PIX_FMT_PAL8:
|
|
|
|
case AV_PIX_FMT_BGR8:
|
|
|
|
case AV_PIX_FMT_RGB8:
|
2012-09-14 19:18:17 +02:00
|
|
|
if (s->codec_id == AV_CODEC_ID_SMC) {
|
|
|
|
w_align = 4;
|
|
|
|
h_align = 4;
|
2004-06-27 13:07:05 +02:00
|
|
|
}
|
2003-10-15 23:59:08 +02:00
|
|
|
break;
|
2012-10-06 12:10:34 +02:00
|
|
|
case AV_PIX_FMT_BGR24:
|
2012-09-14 19:18:17 +02:00
|
|
|
if ((s->codec_id == AV_CODEC_ID_MSZH) ||
|
|
|
|
(s->codec_id == AV_CODEC_ID_ZLIB)) {
|
|
|
|
w_align = 4;
|
|
|
|
h_align = 4;
|
2005-01-10 00:39:32 +01:00
|
|
|
}
|
|
|
|
break;
|
2003-10-15 23:59:08 +02:00
|
|
|
default:
|
2012-09-14 19:18:17 +02:00
|
|
|
w_align = 1;
|
|
|
|
h_align = 1;
|
2003-10-15 23:59:08 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2012-09-14 19:18:17 +02:00
|
|
|
*width = FFALIGN(*width, w_align);
|
|
|
|
*height = FFALIGN(*height, h_align);
|
2012-08-05 11:11:04 +02:00
|
|
|
if (s->codec_id == AV_CODEC_ID_H264)
|
2012-09-14 19:18:17 +02:00
|
|
|
// some of the optimized chroma MC reads one line too much
|
|
|
|
*height += 2;
|
2010-02-27 22:13:22 +01:00
|
|
|
|
2012-01-28 08:46:22 +01:00
|
|
|
for (i = 0; i < 4; i++)
|
2011-11-14 22:07:03 +01:00
|
|
|
linesize_align[i] = STRIDE_ALIGN;
|
2010-02-27 22:13:22 +01:00
|
|
|
}
|
|
|
|
|
2012-09-14 19:18:17 +02:00
|
|
|
void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height)
|
|
|
|
{
|
2012-10-06 13:29:37 +02:00
|
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->pix_fmt);
|
|
|
|
int chroma_shift = desc->log2_chroma_w;
|
2011-11-14 22:07:03 +01:00
|
|
|
int linesize_align[AV_NUM_DATA_POINTERS];
|
2010-02-27 22:13:22 +01:00
|
|
|
int align;
|
2012-09-14 19:18:17 +02:00
|
|
|
|
2010-02-27 22:13:22 +01:00
|
|
|
avcodec_align_dimensions2(s, width, height, linesize_align);
|
2012-09-14 19:18:17 +02:00
|
|
|
align = FFMAX(linesize_align[0], linesize_align[3]);
|
2010-02-27 22:13:22 +01:00
|
|
|
linesize_align[1] <<= chroma_shift;
|
|
|
|
linesize_align[2] <<= chroma_shift;
|
2012-09-14 19:18:17 +02:00
|
|
|
align = FFMAX3(align, linesize_align[1], linesize_align[2]);
|
|
|
|
*width = FFALIGN(*width, align);
|
2003-10-15 23:59:08 +02:00
|
|
|
}
|
|
|
|
|
2011-12-15 23:56:06 +01:00
|
|
|
int avcodec_fill_audio_frame(AVFrame *frame, int nb_channels,
|
|
|
|
enum AVSampleFormat sample_fmt, const uint8_t *buf,
|
|
|
|
int buf_size, int align)
|
|
|
|
{
|
|
|
|
int ch, planar, needed_size, ret = 0;
|
|
|
|
|
|
|
|
needed_size = av_samples_get_buffer_size(NULL, nb_channels,
|
|
|
|
frame->nb_samples, sample_fmt,
|
|
|
|
align);
|
|
|
|
if (buf_size < needed_size)
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
|
|
|
|
planar = av_sample_fmt_is_planar(sample_fmt);
|
|
|
|
if (planar && nb_channels > AV_NUM_DATA_POINTERS) {
|
|
|
|
if (!(frame->extended_data = av_mallocz(nb_channels *
|
|
|
|
sizeof(*frame->extended_data))))
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
} else {
|
|
|
|
frame->extended_data = frame->data;
|
|
|
|
}
|
|
|
|
|
|
|
|
if ((ret = av_samples_fill_arrays(frame->extended_data, &frame->linesize[0],
|
|
|
|
buf, nb_channels, frame->nb_samples,
|
|
|
|
sample_fmt, align)) < 0) {
|
|
|
|
if (frame->extended_data != frame->data)
|
|
|
|
av_free(frame->extended_data);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
if (frame->extended_data != frame->data) {
|
|
|
|
for (ch = 0; ch < AV_NUM_DATA_POINTERS; ch++)
|
|
|
|
frame->data[ch] = frame->extended_data[ch];
|
|
|
|
}
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
static int update_frame_pool(AVCodecContext *avctx, AVFrame *frame)
|
2011-09-06 18:17:45 +02:00
|
|
|
{
|
2012-11-21 21:34:46 +01:00
|
|
|
FramePool *pool = avctx->internal->pool;
|
|
|
|
int i, ret;
|
2002-12-04 11:04:03 +01:00
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
switch (avctx->codec_type) {
|
|
|
|
case AVMEDIA_TYPE_VIDEO: {
|
2005-12-02 01:12:37 +01:00
|
|
|
AVPicture picture;
|
2012-11-21 21:34:46 +01:00
|
|
|
int size[4] = { 0 };
|
|
|
|
int w = frame->width;
|
|
|
|
int h = frame->height;
|
|
|
|
int tmpsize, unaligned;
|
2005-12-02 01:12:37 +01:00
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
if (pool->format == frame->format &&
|
|
|
|
pool->width == frame->width && pool->height == frame->height)
|
|
|
|
return 0;
|
2003-10-15 23:59:08 +02:00
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
avcodec_align_dimensions2(avctx, &w, &h, pool->stride_align);
|
2005-12-17 19:14:38 +01:00
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
if (!(avctx->flags & CODEC_FLAG_EMU_EDGE)) {
|
2012-09-14 19:18:17 +02:00
|
|
|
w += EDGE_WIDTH * 2;
|
|
|
|
h += EDGE_WIDTH * 2;
|
2002-12-04 11:04:03 +01:00
|
|
|
}
|
2007-05-12 02:31:48 +02:00
|
|
|
|
2009-03-19 22:34:55 +01:00
|
|
|
do {
|
|
|
|
// NOTE: do not align linesizes individually, this breaks e.g. assumptions
|
|
|
|
// that linesize[0] == 2*linesize[1] in the MPEG-encoder for 4:2:2
|
2012-11-21 21:34:46 +01:00
|
|
|
av_image_fill_linesizes(picture.linesize, avctx->pix_fmt, w);
|
2009-03-19 22:34:55 +01:00
|
|
|
// increase alignment of w for next try (rhs gives the lowest bit set in w)
|
2012-09-14 19:18:17 +02:00
|
|
|
w += w & ~(w - 1);
|
2008-02-15 21:23:49 +01:00
|
|
|
|
2009-03-19 22:34:55 +01:00
|
|
|
unaligned = 0;
|
2012-09-14 19:18:17 +02:00
|
|
|
for (i = 0; i < 4; i++)
|
2012-11-21 21:34:46 +01:00
|
|
|
unaligned |= picture.linesize[i] % pool->stride_align[i];
|
2009-03-19 22:34:55 +01:00
|
|
|
} while (unaligned);
|
2008-02-15 21:23:49 +01:00
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
tmpsize = av_image_fill_pointers(picture.data, avctx->pix_fmt, h,
|
|
|
|
NULL, picture.linesize);
|
2009-02-23 16:18:28 +01:00
|
|
|
if (tmpsize < 0)
|
|
|
|
return -1;
|
2008-02-15 21:23:49 +01:00
|
|
|
|
2012-09-14 19:18:17 +02:00
|
|
|
for (i = 0; i < 3 && picture.data[i + 1]; i++)
|
|
|
|
size[i] = picture.data[i + 1] - picture.data[i];
|
2008-02-24 08:47:02 +01:00
|
|
|
size[i] = tmpsize - (picture.data[i] - picture.data[0]);
|
2005-12-02 01:12:37 +01:00
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
for (i = 0; i < 4; i++) {
|
|
|
|
av_buffer_pool_uninit(&pool->pools[i]);
|
|
|
|
pool->linesize[i] = picture.linesize[i];
|
|
|
|
if (size[i]) {
|
|
|
|
pool->pools[i] = av_buffer_pool_init(size[i] + 16, NULL);
|
|
|
|
if (!pool->pools[i]) {
|
|
|
|
ret = AVERROR(ENOMEM);
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
pool->format = frame->format;
|
|
|
|
pool->width = frame->width;
|
|
|
|
pool->height = frame->height;
|
2002-12-04 11:04:03 +01:00
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
case AVMEDIA_TYPE_AUDIO: {
|
|
|
|
int ch = av_get_channel_layout_nb_channels(frame->channel_layout);
|
|
|
|
int planar = av_sample_fmt_is_planar(frame->format);
|
|
|
|
int planes = planar ? ch : 1;
|
|
|
|
|
|
|
|
if (pool->format == frame->format && pool->planes == planes &&
|
|
|
|
pool->channels == ch && frame->nb_samples == pool->samples)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
av_buffer_pool_uninit(&pool->pools[0]);
|
|
|
|
ret = av_samples_get_buffer_size(&pool->linesize[0], ch,
|
|
|
|
frame->nb_samples, frame->format, 0);
|
|
|
|
if (ret < 0)
|
|
|
|
goto fail;
|
|
|
|
|
|
|
|
pool->pools[0] = av_buffer_pool_init(pool->linesize[0], NULL);
|
|
|
|
if (!pool->pools[0]) {
|
|
|
|
ret = AVERROR(ENOMEM);
|
|
|
|
goto fail;
|
|
|
|
}
|
2002-12-04 11:04:03 +01:00
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
pool->format = frame->format;
|
|
|
|
pool->planes = planes;
|
|
|
|
pool->channels = ch;
|
|
|
|
pool->samples = frame->nb_samples;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
default: av_assert0(0);
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
fail:
|
|
|
|
for (i = 0; i < 4; i++)
|
|
|
|
av_buffer_pool_uninit(&pool->pools[i]);
|
|
|
|
pool->format = -1;
|
|
|
|
pool->planes = pool->channels = pool->samples = 0;
|
|
|
|
pool->width = pool->height = 0;
|
|
|
|
return ret;
|
|
|
|
}
|
2002-12-04 11:04:03 +01:00
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
static int audio_get_buffer(AVCodecContext *avctx, AVFrame *frame)
|
|
|
|
{
|
|
|
|
FramePool *pool = avctx->internal->pool;
|
|
|
|
int planes = pool->planes;
|
|
|
|
int i;
|
2005-12-02 01:12:37 +01:00
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
frame->linesize[0] = pool->linesize[0];
|
|
|
|
|
|
|
|
if (planes > AV_NUM_DATA_POINTERS) {
|
|
|
|
frame->extended_data = av_mallocz(planes * sizeof(*frame->extended_data));
|
|
|
|
frame->nb_extended_buf = planes - AV_NUM_DATA_POINTERS;
|
|
|
|
frame->extended_buf = av_mallocz(frame->nb_extended_buf *
|
|
|
|
sizeof(*frame->extended_buf));
|
|
|
|
if (!frame->extended_data || !frame->extended_buf) {
|
|
|
|
av_freep(&frame->extended_data);
|
|
|
|
av_freep(&frame->extended_buf);
|
|
|
|
return AVERROR(ENOMEM);
|
2011-11-14 22:07:03 +01:00
|
|
|
}
|
2012-11-21 21:34:46 +01:00
|
|
|
} else
|
|
|
|
frame->extended_data = frame->data;
|
|
|
|
|
|
|
|
for (i = 0; i < FFMIN(planes, AV_NUM_DATA_POINTERS); i++) {
|
|
|
|
frame->buf[i] = av_buffer_pool_get(pool->pools[0]);
|
|
|
|
if (!frame->buf[i])
|
|
|
|
goto fail;
|
|
|
|
frame->extended_data[i] = frame->data[i] = frame->buf[i]->data;
|
2002-12-04 11:04:03 +01:00
|
|
|
}
|
2012-11-21 21:34:46 +01:00
|
|
|
for (i = 0; i < frame->nb_extended_buf; i++) {
|
|
|
|
frame->extended_buf[i] = av_buffer_pool_get(pool->pools[0]);
|
|
|
|
if (!frame->extended_buf[i])
|
|
|
|
goto fail;
|
|
|
|
frame->extended_data[i + AV_NUM_DATA_POINTERS] = frame->extended_buf[i]->data;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (avctx->debug & FF_DEBUG_BUFFERS)
|
|
|
|
av_log(avctx, AV_LOG_DEBUG, "default_get_buffer called on frame %p", frame);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
fail:
|
|
|
|
av_frame_unref(frame);
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
}
|
2002-12-04 11:04:03 +01:00
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
static int video_get_buffer(AVCodecContext *s, AVFrame *pic)
|
|
|
|
{
|
|
|
|
FramePool *pool = s->internal->pool;
|
|
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pic->format);
|
|
|
|
int pixel_size = desc->comp[0].step_minus1 + 1;
|
|
|
|
int h_chroma_shift, v_chroma_shift;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
if (pic->data[0] != NULL) {
|
|
|
|
av_log(s, AV_LOG_ERROR, "pic->data[0]!=NULL in avcodec_default_get_buffer\n");
|
|
|
|
return -1;
|
2003-04-25 02:29:48 +02:00
|
|
|
}
|
2012-11-21 21:34:46 +01:00
|
|
|
|
|
|
|
memset(pic->data, 0, sizeof(pic->data));
|
2011-09-06 18:17:45 +02:00
|
|
|
pic->extended_data = pic->data;
|
2012-11-21 21:34:46 +01:00
|
|
|
|
|
|
|
av_pix_fmt_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
|
|
|
|
|
|
|
|
for (i = 0; i < 4 && pool->pools[i]; i++) {
|
|
|
|
const int h_shift = i == 0 ? 0 : h_chroma_shift;
|
|
|
|
const int v_shift = i == 0 ? 0 : v_chroma_shift;
|
|
|
|
|
|
|
|
pic->linesize[i] = pool->linesize[i];
|
|
|
|
|
|
|
|
pic->buf[i] = av_buffer_pool_get(pool->pools[i]);
|
|
|
|
if (!pic->buf[i])
|
|
|
|
goto fail;
|
|
|
|
|
|
|
|
// no edge if EDGE EMU or not planar YUV
|
|
|
|
if ((s->flags & CODEC_FLAG_EMU_EDGE) || !pool->pools[2])
|
|
|
|
pic->data[i] = pic->buf[i]->data;
|
|
|
|
else {
|
|
|
|
pic->data[i] = pic->buf[i]->data +
|
|
|
|
FFALIGN((pic->linesize[i] * EDGE_WIDTH >> v_shift) +
|
|
|
|
(pixel_size * EDGE_WIDTH >> h_shift), pool->stride_align[i]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
for (; i < AV_NUM_DATA_POINTERS; i++) {
|
|
|
|
pic->data[i] = NULL;
|
|
|
|
pic->linesize[i] = 0;
|
|
|
|
}
|
|
|
|
if (pic->data[1] && !pic->data[2])
|
|
|
|
avpriv_set_systematic_pal2((uint32_t *)pic->data[1], s->pix_fmt);
|
2008-08-21 01:11:26 +02:00
|
|
|
|
2012-09-14 19:18:17 +02:00
|
|
|
if (s->debug & FF_DEBUG_BUFFERS)
|
2012-11-21 21:34:46 +01:00
|
|
|
av_log(s, AV_LOG_DEBUG, "default_get_buffer called on pic %p\n", pic);
|
2008-07-26 03:57:10 +02:00
|
|
|
|
2002-12-04 11:04:03 +01:00
|
|
|
return 0;
|
2012-11-21 21:34:46 +01:00
|
|
|
fail:
|
|
|
|
av_frame_unref(pic);
|
|
|
|
return AVERROR(ENOMEM);
|
2002-12-04 11:04:03 +01:00
|
|
|
}
|
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
int avcodec_default_get_buffer2(AVCodecContext *avctx, AVFrame *frame, int flags)
|
2011-09-06 18:17:45 +02:00
|
|
|
{
|
2012-11-21 21:34:46 +01:00
|
|
|
int ret;
|
|
|
|
|
|
|
|
if ((ret = update_frame_pool(avctx, frame)) < 0)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
#if FF_API_GET_BUFFER
|
2012-11-12 20:01:32 +01:00
|
|
|
frame->type = FF_BUFFER_TYPE_INTERNAL;
|
2012-11-21 21:34:46 +01:00
|
|
|
#endif
|
|
|
|
|
2011-09-06 18:17:45 +02:00
|
|
|
switch (avctx->codec_type) {
|
|
|
|
case AVMEDIA_TYPE_VIDEO:
|
|
|
|
return video_get_buffer(avctx, frame);
|
|
|
|
case AVMEDIA_TYPE_AUDIO:
|
|
|
|
return audio_get_buffer(avctx, frame);
|
|
|
|
default:
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
#if FF_API_GET_BUFFER
|
|
|
|
int avcodec_default_get_buffer(AVCodecContext *avctx, AVFrame *frame)
|
2012-11-10 13:22:56 +01:00
|
|
|
{
|
2012-11-21 21:34:46 +01:00
|
|
|
return avcodec_default_get_buffer2(avctx, frame, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
typedef struct CompatReleaseBufPriv {
|
|
|
|
AVCodecContext avctx;
|
|
|
|
AVFrame frame;
|
|
|
|
} CompatReleaseBufPriv;
|
|
|
|
|
|
|
|
static void compat_free_buffer(void *opaque, uint8_t *data)
|
|
|
|
{
|
|
|
|
CompatReleaseBufPriv *priv = opaque;
|
2013-03-11 16:24:36 +01:00
|
|
|
if (priv->avctx.release_buffer)
|
|
|
|
priv->avctx.release_buffer(&priv->avctx, &priv->frame);
|
2012-11-21 21:34:46 +01:00
|
|
|
av_freep(&priv);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void compat_release_buffer(void *opaque, uint8_t *data)
|
|
|
|
{
|
|
|
|
AVBufferRef *buf = opaque;
|
|
|
|
av_buffer_unref(&buf);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
|
|
|
|
{
|
|
|
|
int ret;
|
|
|
|
|
2012-11-11 09:14:07 +01:00
|
|
|
switch (avctx->codec_type) {
|
|
|
|
case AVMEDIA_TYPE_VIDEO:
|
2013-02-18 16:29:03 +01:00
|
|
|
frame->width = FFMAX(avctx->width, avctx->coded_width);
|
|
|
|
frame->height = FFMAX(avctx->height, avctx->coded_height);
|
2013-02-11 08:09:02 +01:00
|
|
|
if (frame->format < 0)
|
|
|
|
frame->format = avctx->pix_fmt;
|
|
|
|
if (!frame->sample_aspect_ratio.num)
|
|
|
|
frame->sample_aspect_ratio = avctx->sample_aspect_ratio;
|
2012-11-21 21:34:46 +01:00
|
|
|
|
|
|
|
if ((ret = av_image_check_size(avctx->width, avctx->height, 0, avctx)) < 0)
|
|
|
|
return ret;
|
2012-11-11 09:14:07 +01:00
|
|
|
break;
|
|
|
|
case AVMEDIA_TYPE_AUDIO:
|
2013-02-11 08:09:02 +01:00
|
|
|
if (!frame->sample_rate)
|
|
|
|
frame->sample_rate = avctx->sample_rate;
|
|
|
|
if (frame->format < 0)
|
|
|
|
frame->format = avctx->sample_fmt;
|
2013-02-11 08:13:22 +01:00
|
|
|
if (!frame->channel_layout) {
|
|
|
|
if (avctx->channel_layout) {
|
|
|
|
if (av_get_channel_layout_nb_channels(avctx->channel_layout) !=
|
|
|
|
avctx->channels) {
|
|
|
|
av_log(avctx, AV_LOG_ERROR, "Inconsistent channel "
|
|
|
|
"configuration.\n");
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
}
|
|
|
|
|
|
|
|
frame->channel_layout = avctx->channel_layout;
|
|
|
|
} else {
|
|
|
|
if (avctx->channels > FF_SANE_NB_CHANNELS) {
|
|
|
|
av_log(avctx, AV_LOG_ERROR, "Too many channels: %d.\n",
|
|
|
|
avctx->channels);
|
|
|
|
return AVERROR(ENOSYS);
|
|
|
|
}
|
|
|
|
|
|
|
|
frame->channel_layout = av_get_default_channel_layout(avctx->channels);
|
|
|
|
if (!frame->channel_layout)
|
|
|
|
frame->channel_layout = (1ULL << avctx->channels) - 1;
|
|
|
|
}
|
|
|
|
}
|
2012-11-11 09:14:07 +01:00
|
|
|
break;
|
|
|
|
default: return AVERROR(EINVAL);
|
|
|
|
}
|
|
|
|
|
|
|
|
frame->pkt_pts = avctx->pkt ? avctx->pkt->pts : AV_NOPTS_VALUE;
|
|
|
|
frame->reordered_opaque = avctx->reordered_opaque;
|
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
#if FF_API_GET_BUFFER
|
|
|
|
/*
|
|
|
|
* Wrap an old get_buffer()-allocated buffer in an bunch of AVBuffers.
|
|
|
|
* We wrap each plane in its own AVBuffer. Each of those has a reference to
|
|
|
|
* a dummy AVBuffer as its private data, unreffing it on free.
|
|
|
|
* When all the planes are freed, the dummy buffer's free callback calls
|
|
|
|
* release_buffer().
|
|
|
|
*/
|
|
|
|
if (avctx->get_buffer) {
|
|
|
|
CompatReleaseBufPriv *priv = NULL;
|
|
|
|
AVBufferRef *dummy_buf = NULL;
|
|
|
|
int planes, i, ret;
|
2012-11-10 13:22:56 +01:00
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
if (flags & AV_GET_BUFFER_FLAG_REF)
|
|
|
|
frame->reference = 1;
|
2003-04-25 02:29:48 +02:00
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
ret = avctx->get_buffer(avctx, frame);
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
2011-09-06 18:17:45 +02:00
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
/* return if the buffers are already set up
|
|
|
|
* this would happen e.g. when a custom get_buffer() calls
|
|
|
|
* avcodec_default_get_buffer
|
|
|
|
*/
|
|
|
|
if (frame->buf[0])
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
priv = av_mallocz(sizeof(*priv));
|
|
|
|
if (!priv) {
|
|
|
|
ret = AVERROR(ENOMEM);
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
priv->avctx = *avctx;
|
|
|
|
priv->frame = *frame;
|
2011-11-15 21:34:50 +01:00
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
dummy_buf = av_buffer_create(NULL, 0, compat_free_buffer, priv, 0);
|
|
|
|
if (!dummy_buf) {
|
|
|
|
ret = AVERROR(ENOMEM);
|
|
|
|
goto fail;
|
2011-11-15 21:34:50 +01:00
|
|
|
}
|
2003-04-25 02:29:48 +02:00
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
#define WRAP_PLANE(ref_out, data, data_size) \
|
|
|
|
do { \
|
|
|
|
AVBufferRef *dummy_ref = av_buffer_ref(dummy_buf); \
|
|
|
|
if (!dummy_ref) { \
|
|
|
|
ret = AVERROR(ENOMEM); \
|
|
|
|
goto fail; \
|
|
|
|
} \
|
|
|
|
ref_out = av_buffer_create(data, data_size, compat_release_buffer, \
|
|
|
|
dummy_ref, 0); \
|
|
|
|
if (!ref_out) { \
|
|
|
|
av_frame_unref(frame); \
|
|
|
|
ret = AVERROR(ENOMEM); \
|
|
|
|
goto fail; \
|
|
|
|
} \
|
|
|
|
} while (0)
|
|
|
|
|
|
|
|
if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
|
|
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
|
|
|
|
|
2013-03-16 22:36:56 +01:00
|
|
|
planes = av_pix_fmt_count_planes(frame->format);
|
2013-03-25 17:28:37 +01:00
|
|
|
/* workaround for AVHWAccel plane count of 0, buf[0] is used as
|
|
|
|
check for allocated buffers: make libavcodec happy */
|
2013-05-12 15:41:49 +02:00
|
|
|
if (desc && desc->flags & AV_PIX_FMT_FLAG_HWACCEL)
|
2013-03-25 17:28:37 +01:00
|
|
|
planes = 1;
|
2013-03-16 22:36:56 +01:00
|
|
|
if (!desc || planes <= 0) {
|
2012-11-21 21:34:46 +01:00
|
|
|
ret = AVERROR(EINVAL);
|
|
|
|
goto fail;
|
|
|
|
}
|
2003-04-25 02:29:48 +02:00
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
for (i = 0; i < planes; i++) {
|
2013-03-16 18:09:17 +01:00
|
|
|
int v_shift = (i == 1 || i == 2) ? desc->log2_chroma_h : 0;
|
|
|
|
int plane_size = (frame->height >> v_shift) * frame->linesize[i];
|
2008-07-26 03:57:10 +02:00
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
WRAP_PLANE(frame->buf[i], frame->data[i], plane_size);
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
int planar = av_sample_fmt_is_planar(frame->format);
|
|
|
|
planes = planar ? avctx->channels : 1;
|
|
|
|
|
|
|
|
if (planes > FF_ARRAY_ELEMS(frame->buf)) {
|
|
|
|
frame->nb_extended_buf = planes - FF_ARRAY_ELEMS(frame->buf);
|
|
|
|
frame->extended_buf = av_malloc(sizeof(*frame->extended_buf) *
|
|
|
|
frame->nb_extended_buf);
|
|
|
|
if (!frame->extended_buf) {
|
|
|
|
ret = AVERROR(ENOMEM);
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
}
|
2002-12-04 11:04:03 +01:00
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
for (i = 0; i < FFMIN(planes, FF_ARRAY_ELEMS(frame->buf)); i++)
|
|
|
|
WRAP_PLANE(frame->buf[i], frame->extended_data[i], frame->linesize[0]);
|
|
|
|
|
2013-03-10 17:56:35 +01:00
|
|
|
for (i = 0; i < frame->nb_extended_buf; i++)
|
2012-11-21 21:34:46 +01:00
|
|
|
WRAP_PLANE(frame->extended_buf[i],
|
|
|
|
frame->extended_data[i + FF_ARRAY_ELEMS(frame->buf)],
|
|
|
|
frame->linesize[0]);
|
|
|
|
}
|
|
|
|
|
|
|
|
av_buffer_unref(&dummy_buf);
|
2003-11-26 21:57:15 +01:00
|
|
|
|
2013-02-18 16:29:03 +01:00
|
|
|
frame->width = avctx->width;
|
|
|
|
frame->height = avctx->height;
|
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
return 0;
|
2011-09-06 18:17:45 +02:00
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
fail:
|
|
|
|
avctx->release_buffer(avctx, frame);
|
|
|
|
av_freep(&priv);
|
|
|
|
av_buffer_unref(&dummy_buf);
|
|
|
|
return ret;
|
2003-11-26 21:57:15 +01:00
|
|
|
}
|
2012-11-21 21:34:46 +01:00
|
|
|
#endif
|
|
|
|
|
2013-02-18 16:29:03 +01:00
|
|
|
ret = avctx->get_buffer2(avctx, frame, flags);
|
|
|
|
|
|
|
|
if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
|
|
|
|
frame->width = avctx->width;
|
|
|
|
frame->height = avctx->height;
|
|
|
|
}
|
|
|
|
|
|
|
|
return ret;
|
2012-11-21 21:34:46 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame)
|
|
|
|
{
|
|
|
|
AVFrame tmp;
|
|
|
|
int ret;
|
2003-11-26 21:57:15 +01:00
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
av_assert0(avctx->codec_type == AVMEDIA_TYPE_VIDEO);
|
|
|
|
|
|
|
|
if (!frame->data[0])
|
|
|
|
return ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
|
2012-02-17 23:48:57 +01:00
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
if (av_frame_is_writable(frame))
|
2003-11-26 21:57:15 +01:00
|
|
|
return 0;
|
2012-11-21 21:34:46 +01:00
|
|
|
|
|
|
|
av_frame_move_ref(&tmp, frame);
|
|
|
|
|
|
|
|
ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF);
|
|
|
|
if (ret < 0) {
|
|
|
|
av_frame_unref(&tmp);
|
|
|
|
return ret;
|
2009-12-14 12:42:17 +01:00
|
|
|
}
|
2003-11-26 21:57:15 +01:00
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
av_image_copy(frame->data, frame->linesize, tmp.data, tmp.linesize,
|
|
|
|
frame->format, frame->width, frame->height);
|
|
|
|
|
|
|
|
av_frame_unref(&tmp);
|
|
|
|
|
2003-11-26 21:57:15 +01:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
#if FF_API_GET_BUFFER
|
|
|
|
void avcodec_default_release_buffer(AVCodecContext *s, AVFrame *pic)
|
|
|
|
{
|
|
|
|
av_frame_unref(pic);
|
|
|
|
}
|
|
|
|
|
|
|
|
int avcodec_default_reget_buffer(AVCodecContext *s, AVFrame *pic)
|
|
|
|
{
|
|
|
|
av_assert0(0);
|
2013-05-14 04:29:26 +02:00
|
|
|
return AVERROR_BUG;
|
2012-11-21 21:34:46 +01:00
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2012-09-14 19:18:17 +02:00
|
|
|
int avcodec_default_execute(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2), void *arg, int *ret, int count, int size)
|
|
|
|
{
|
2004-02-13 18:54:10 +01:00
|
|
|
int i;
|
|
|
|
|
2012-09-14 19:18:17 +02:00
|
|
|
for (i = 0; i < count; i++) {
|
|
|
|
int r = func(c, (char *)arg + i * size);
|
|
|
|
if (ret)
|
|
|
|
ret[i] = r;
|
2004-02-13 18:54:10 +01:00
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2012-09-14 19:18:17 +02:00
|
|
|
int avcodec_default_execute2(AVCodecContext *c, int (*func)(AVCodecContext *c2, void *arg2, int jobnr, int threadnr), void *arg, int *ret, int count)
|
|
|
|
{
|
2009-10-12 13:35:35 +02:00
|
|
|
int i;
|
|
|
|
|
2012-09-14 19:18:17 +02:00
|
|
|
for (i = 0; i < count; i++) {
|
|
|
|
int r = func(c, arg, i, 0);
|
|
|
|
if (ret)
|
|
|
|
ret[i] = r;
|
2009-10-12 13:35:35 +02:00
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2012-11-12 01:25:44 +01:00
|
|
|
static int is_hwaccel_pix_fmt(enum AVPixelFormat pix_fmt)
|
|
|
|
{
|
|
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
|
2013-05-12 15:41:49 +02:00
|
|
|
return desc->flags & AV_PIX_FMT_FLAG_HWACCEL;
|
2012-11-12 01:25:44 +01:00
|
|
|
}
|
|
|
|
|
2012-10-06 12:10:34 +02:00
|
|
|
enum AVPixelFormat avcodec_default_get_format(struct AVCodecContext *s, const enum AVPixelFormat *fmt)
|
2012-09-14 19:18:17 +02:00
|
|
|
{
|
2012-11-12 01:25:44 +01:00
|
|
|
while (*fmt != AV_PIX_FMT_NONE && is_hwaccel_pix_fmt(*fmt))
|
2009-02-23 14:35:52 +01:00
|
|
|
++fmt;
|
2003-01-12 01:48:29 +01:00
|
|
|
return fmt[0];
|
|
|
|
}
|
|
|
|
|
2012-09-21 08:28:49 +02:00
|
|
|
void avcodec_get_frame_defaults(AVFrame *frame)
|
2012-09-14 19:18:17 +02:00
|
|
|
{
|
2012-09-21 08:30:42 +02:00
|
|
|
if (frame->extended_data != frame->data)
|
|
|
|
av_freep(&frame->extended_data);
|
|
|
|
|
2012-09-21 08:28:49 +02:00
|
|
|
memset(frame, 0, sizeof(AVFrame));
|
2004-02-25 18:35:52 +01:00
|
|
|
|
2012-09-21 08:28:49 +02:00
|
|
|
frame->pts = AV_NOPTS_VALUE;
|
|
|
|
frame->key_frame = 1;
|
|
|
|
frame->sample_aspect_ratio = (AVRational) {0, 1 };
|
|
|
|
frame->format = -1; /* unknown */
|
2012-09-21 08:30:42 +02:00
|
|
|
frame->extended_data = frame->data;
|
2004-02-25 18:35:52 +01:00
|
|
|
}
|
|
|
|
|
2012-09-14 19:18:17 +02:00
|
|
|
AVFrame *avcodec_alloc_frame(void)
|
|
|
|
{
|
2012-09-24 07:17:13 +02:00
|
|
|
AVFrame *frame = av_mallocz(sizeof(AVFrame));
|
2005-12-17 19:14:38 +01:00
|
|
|
|
2012-09-21 08:28:49 +02:00
|
|
|
if (frame == NULL)
|
2012-09-14 19:18:17 +02:00
|
|
|
return NULL;
|
2005-12-17 19:14:38 +01:00
|
|
|
|
2012-09-21 08:28:49 +02:00
|
|
|
avcodec_get_frame_defaults(frame);
|
2005-12-17 19:14:38 +01:00
|
|
|
|
2012-09-21 08:28:49 +02:00
|
|
|
return frame;
|
2002-12-04 11:04:03 +01:00
|
|
|
}
|
|
|
|
|
2012-09-21 09:07:02 +02:00
|
|
|
void avcodec_free_frame(AVFrame **frame)
|
|
|
|
{
|
|
|
|
AVFrame *f;
|
|
|
|
|
|
|
|
if (!frame || !*frame)
|
|
|
|
return;
|
|
|
|
|
|
|
|
f = *frame;
|
|
|
|
|
|
|
|
if (f->extended_data != f->data)
|
|
|
|
av_freep(&f->extended_data);
|
|
|
|
|
|
|
|
av_freep(frame);
|
|
|
|
}
|
|
|
|
|
2012-08-11 14:50:36 +02:00
|
|
|
int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *codec, AVDictionary **options)
|
2001-07-22 16:18:56 +02:00
|
|
|
{
|
2011-04-17 22:57:55 +02:00
|
|
|
int ret = 0;
|
2011-05-22 14:10:49 +02:00
|
|
|
AVDictionary *tmp = NULL;
|
|
|
|
|
2011-12-08 06:57:44 +01:00
|
|
|
if (avcodec_is_open(avctx))
|
|
|
|
return 0;
|
|
|
|
|
2012-01-28 19:15:15 +01:00
|
|
|
if ((!codec && !avctx->codec)) {
|
|
|
|
av_log(avctx, AV_LOG_ERROR, "No codec provided to avcodec_open2().\n");
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
}
|
|
|
|
if ((codec && avctx->codec && codec != avctx->codec)) {
|
|
|
|
av_log(avctx, AV_LOG_ERROR, "This AVCodecContext was allocated for %s, "
|
2012-09-14 19:18:17 +02:00
|
|
|
"but %s passed to avcodec_open2().\n", avctx->codec->name, codec->name);
|
2012-01-28 19:15:15 +01:00
|
|
|
return AVERROR(EINVAL);
|
|
|
|
}
|
|
|
|
if (!codec)
|
|
|
|
codec = avctx->codec;
|
|
|
|
|
2012-01-12 20:12:24 +01:00
|
|
|
if (avctx->extradata_size < 0 || avctx->extradata_size >= FF_MAX_EXTRADATA_SIZE)
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
|
2011-05-22 14:10:49 +02:00
|
|
|
if (options)
|
|
|
|
av_dict_copy(&tmp, *options, 0);
|
2005-12-17 19:14:38 +01:00
|
|
|
|
2009-05-31 08:51:18 +02:00
|
|
|
/* If there is a user-supplied mutex locking routine, call it. */
|
2013-04-20 21:51:11 +02:00
|
|
|
if (lockmgr_cb) {
|
|
|
|
if ((*lockmgr_cb)(&codec_mutex, AV_LOCK_OBTAIN))
|
2009-05-31 08:51:18 +02:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2005-07-25 16:35:01 +02:00
|
|
|
entangled_thread_counter++;
|
2012-09-14 19:18:17 +02:00
|
|
|
if (entangled_thread_counter != 1) {
|
2005-07-25 16:35:01 +02:00
|
|
|
av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n");
|
2011-04-17 22:57:55 +02:00
|
|
|
ret = -1;
|
2005-07-25 16:35:01 +02:00
|
|
|
goto end;
|
|
|
|
}
|
2001-07-22 16:18:56 +02:00
|
|
|
|
2011-11-15 21:34:50 +01:00
|
|
|
avctx->internal = av_mallocz(sizeof(AVCodecInternal));
|
|
|
|
if (!avctx->internal) {
|
|
|
|
ret = AVERROR(ENOMEM);
|
|
|
|
goto end;
|
|
|
|
}
|
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
avctx->internal->pool = av_mallocz(sizeof(*avctx->internal->pool));
|
|
|
|
if (!avctx->internal->pool) {
|
|
|
|
ret = AVERROR(ENOMEM);
|
|
|
|
goto free_and_end;
|
|
|
|
}
|
|
|
|
|
2002-05-09 03:24:27 +02:00
|
|
|
if (codec->priv_data_size > 0) {
|
2007-07-20 17:08:10 +02:00
|
|
|
if (!avctx->priv_data) {
|
2012-09-14 19:18:17 +02:00
|
|
|
avctx->priv_data = av_mallocz(codec->priv_data_size);
|
|
|
|
if (!avctx->priv_data) {
|
|
|
|
ret = AVERROR(ENOMEM);
|
|
|
|
goto end;
|
|
|
|
}
|
|
|
|
if (codec->priv_class) {
|
|
|
|
*(const AVClass **)avctx->priv_data = codec->priv_class;
|
|
|
|
av_opt_set_defaults(avctx->priv_data);
|
|
|
|
}
|
2010-09-29 17:05:47 +02:00
|
|
|
}
|
2012-09-14 19:18:17 +02:00
|
|
|
if (codec->priv_class && (ret = av_opt_set_dict(avctx->priv_data, &tmp)) < 0)
|
|
|
|
goto free_and_end;
|
2002-05-09 03:24:27 +02:00
|
|
|
} else {
|
|
|
|
avctx->priv_data = NULL;
|
|
|
|
}
|
2011-05-22 14:10:49 +02:00
|
|
|
if ((ret = av_opt_set_dict(avctx, &tmp)) < 0)
|
|
|
|
goto free_and_end;
|
2004-09-27 13:50:56 +02:00
|
|
|
|
2013-03-22 07:59:10 +01:00
|
|
|
if (avctx->coded_width && avctx->coded_height && !avctx->width && !avctx->height)
|
2004-09-27 13:50:56 +02:00
|
|
|
avcodec_set_dimensions(avctx, avctx->coded_width, avctx->coded_height);
|
2012-09-14 19:18:17 +02:00
|
|
|
else if (avctx->width && avctx->height)
|
2004-09-27 13:50:56 +02:00
|
|
|
avcodec_set_dimensions(avctx, avctx->width, avctx->height);
|
|
|
|
|
2010-09-15 06:46:55 +02:00
|
|
|
if ((avctx->coded_width || avctx->coded_height || avctx->width || avctx->height)
|
|
|
|
&& ( av_image_check_size(avctx->coded_width, avctx->coded_height, 0, avctx) < 0
|
|
|
|
|| av_image_check_size(avctx->width, avctx->height, 0, avctx) < 0)) {
|
|
|
|
av_log(avctx, AV_LOG_WARNING, "ignoring invalid width/height values\n");
|
|
|
|
avcodec_set_dimensions(avctx, 0, 0);
|
|
|
|
}
|
|
|
|
|
2010-12-31 01:06:25 +01:00
|
|
|
/* if the decoder init function was already called previously,
|
2012-09-14 19:18:17 +02:00
|
|
|
* free the already allocated subtitle_header before overwriting it */
|
2012-03-02 17:00:53 +01:00
|
|
|
if (av_codec_is_decoder(codec))
|
2010-12-31 01:06:25 +01:00
|
|
|
av_freep(&avctx->subtitle_header);
|
|
|
|
|
2012-10-22 19:40:10 +02:00
|
|
|
if (avctx->channels > FF_SANE_NB_CHANNELS) {
|
2007-07-20 17:09:10 +02:00
|
|
|
ret = AVERROR(EINVAL);
|
2009-09-23 17:16:36 +02:00
|
|
|
goto free_and_end;
|
2005-01-12 01:16:25 +01:00
|
|
|
}
|
|
|
|
|
2006-03-03 21:36:08 +01:00
|
|
|
avctx->codec = codec;
|
2010-03-31 01:30:55 +02:00
|
|
|
if ((avctx->codec_type == AVMEDIA_TYPE_UNKNOWN || avctx->codec_type == codec->type) &&
|
2012-08-05 11:11:04 +02:00
|
|
|
avctx->codec_id == AV_CODEC_ID_NONE) {
|
2009-10-01 17:54:55 +02:00
|
|
|
avctx->codec_type = codec->type;
|
|
|
|
avctx->codec_id = codec->id;
|
|
|
|
}
|
2011-01-12 01:33:22 +01:00
|
|
|
if (avctx->codec_id != codec->id || (avctx->codec_type != codec->type
|
2012-09-14 19:18:17 +02:00
|
|
|
&& avctx->codec_type != AVMEDIA_TYPE_ATTACHMENT)) {
|
2009-09-23 00:44:56 +02:00
|
|
|
av_log(avctx, AV_LOG_ERROR, "codec type or id mismatches\n");
|
2011-04-17 22:57:55 +02:00
|
|
|
ret = AVERROR(EINVAL);
|
2009-09-23 17:16:36 +02:00
|
|
|
goto free_and_end;
|
2009-09-23 00:44:56 +02:00
|
|
|
}
|
2006-03-03 21:36:08 +01:00
|
|
|
avctx->frame_number = 0;
|
2011-02-08 03:15:44 +01:00
|
|
|
|
2012-10-19 06:58:25 +02:00
|
|
|
if (avctx->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
|
|
|
|
avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
|
|
|
|
ret = AVERROR_EXPERIMENTAL;
|
|
|
|
goto free_and_end;
|
|
|
|
}
|
|
|
|
|
2012-01-26 20:37:38 +01:00
|
|
|
if (avctx->codec_type == AVMEDIA_TYPE_AUDIO &&
|
|
|
|
(!avctx->time_base.num || !avctx->time_base.den)) {
|
|
|
|
avctx->time_base.num = 1;
|
|
|
|
avctx->time_base.den = avctx->sample_rate;
|
|
|
|
}
|
|
|
|
|
2011-02-08 03:15:44 +01:00
|
|
|
if (HAVE_THREADS && !avctx->thread_opaque) {
|
2011-03-29 23:18:21 +02:00
|
|
|
ret = ff_thread_init(avctx);
|
2011-02-08 03:15:44 +01:00
|
|
|
if (ret < 0) {
|
|
|
|
goto free_and_end;
|
|
|
|
}
|
|
|
|
}
|
2012-01-01 14:17:32 +01:00
|
|
|
if (!HAVE_THREADS && !(codec->capabilities & CODEC_CAP_AUTO_THREADS))
|
|
|
|
avctx->thread_count = 1;
|
2011-02-08 03:15:44 +01:00
|
|
|
|
2012-03-02 17:00:53 +01:00
|
|
|
if (av_codec_is_encoder(avctx->codec)) {
|
2011-02-09 16:52:33 +01:00
|
|
|
int i;
|
2011-04-20 00:50:20 +02:00
|
|
|
if (avctx->codec->sample_fmts) {
|
2012-09-20 07:04:15 +02:00
|
|
|
for (i = 0; avctx->codec->sample_fmts[i] != AV_SAMPLE_FMT_NONE; i++) {
|
2011-04-20 22:59:39 +02:00
|
|
|
if (avctx->sample_fmt == avctx->codec->sample_fmts[i])
|
|
|
|
break;
|
2012-09-20 07:04:15 +02:00
|
|
|
if (avctx->channels == 1 &&
|
|
|
|
av_get_planar_sample_fmt(avctx->sample_fmt) ==
|
|
|
|
av_get_planar_sample_fmt(avctx->codec->sample_fmts[i])) {
|
|
|
|
avctx->sample_fmt = avctx->codec->sample_fmts[i];
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
2011-04-20 22:59:39 +02:00
|
|
|
if (avctx->codec->sample_fmts[i] == AV_SAMPLE_FMT_NONE) {
|
|
|
|
av_log(avctx, AV_LOG_ERROR, "Specified sample_fmt is not supported.\n");
|
|
|
|
ret = AVERROR(EINVAL);
|
|
|
|
goto free_and_end;
|
|
|
|
}
|
2011-04-20 00:50:20 +02:00
|
|
|
}
|
2012-02-10 01:05:14 +01:00
|
|
|
if (avctx->codec->pix_fmts) {
|
2012-10-06 12:10:34 +02:00
|
|
|
for (i = 0; avctx->codec->pix_fmts[i] != AV_PIX_FMT_NONE; i++)
|
2012-02-10 01:05:14 +01:00
|
|
|
if (avctx->pix_fmt == avctx->codec->pix_fmts[i])
|
|
|
|
break;
|
2012-10-06 12:10:34 +02:00
|
|
|
if (avctx->codec->pix_fmts[i] == AV_PIX_FMT_NONE) {
|
2012-02-10 01:05:14 +01:00
|
|
|
av_log(avctx, AV_LOG_ERROR, "Specified pix_fmt is not supported\n");
|
|
|
|
ret = AVERROR(EINVAL);
|
|
|
|
goto free_and_end;
|
|
|
|
}
|
|
|
|
}
|
2011-04-20 00:50:20 +02:00
|
|
|
if (avctx->codec->supported_samplerates) {
|
|
|
|
for (i = 0; avctx->codec->supported_samplerates[i] != 0; i++)
|
|
|
|
if (avctx->sample_rate == avctx->codec->supported_samplerates[i])
|
|
|
|
break;
|
|
|
|
if (avctx->codec->supported_samplerates[i] == 0) {
|
|
|
|
av_log(avctx, AV_LOG_ERROR, "Specified sample_rate is not supported\n");
|
|
|
|
ret = AVERROR(EINVAL);
|
|
|
|
goto free_and_end;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (avctx->codec->channel_layouts) {
|
|
|
|
if (!avctx->channel_layout) {
|
|
|
|
av_log(avctx, AV_LOG_WARNING, "channel_layout not specified\n");
|
|
|
|
} else {
|
|
|
|
for (i = 0; avctx->codec->channel_layouts[i] != 0; i++)
|
|
|
|
if (avctx->channel_layout == avctx->codec->channel_layouts[i])
|
|
|
|
break;
|
|
|
|
if (avctx->codec->channel_layouts[i] == 0) {
|
|
|
|
av_log(avctx, AV_LOG_ERROR, "Specified channel_layout is not supported\n");
|
|
|
|
ret = AVERROR(EINVAL);
|
|
|
|
goto free_and_end;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2011-04-20 01:02:32 +02:00
|
|
|
if (avctx->channel_layout && avctx->channels) {
|
|
|
|
if (av_get_channel_layout_nb_channels(avctx->channel_layout) != avctx->channels) {
|
|
|
|
av_log(avctx, AV_LOG_ERROR, "channel layout does not match number of channels\n");
|
|
|
|
ret = AVERROR(EINVAL);
|
|
|
|
goto free_and_end;
|
|
|
|
}
|
2011-04-20 01:03:47 +02:00
|
|
|
} else if (avctx->channel_layout) {
|
|
|
|
avctx->channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
|
2011-04-20 01:02:32 +02:00
|
|
|
}
|
2013-01-14 05:32:38 +01:00
|
|
|
|
|
|
|
if (!avctx->rc_initial_buffer_occupancy)
|
|
|
|
avctx->rc_initial_buffer_occupancy = avctx->rc_buffer_size * 3 / 4;
|
2011-02-09 16:52:33 +01:00
|
|
|
}
|
2010-07-07 23:23:36 +02:00
|
|
|
|
2012-09-14 19:18:17 +02:00
|
|
|
if (avctx->codec->init && !(avctx->active_thread_type & FF_THREAD_FRAME)) {
|
2007-04-01 18:14:19 +02:00
|
|
|
ret = avctx->codec->init(avctx);
|
|
|
|
if (ret < 0) {
|
2009-09-23 17:16:36 +02:00
|
|
|
goto free_and_end;
|
2007-04-01 18:14:19 +02:00
|
|
|
}
|
2007-04-01 18:13:24 +02:00
|
|
|
}
|
2012-04-04 16:47:45 +02:00
|
|
|
|
|
|
|
if (av_codec_is_decoder(avctx->codec)) {
|
|
|
|
/* validate channel layout from the decoder */
|
2012-09-28 20:46:20 +02:00
|
|
|
if (avctx->channel_layout) {
|
|
|
|
int channels = av_get_channel_layout_nb_channels(avctx->channel_layout);
|
|
|
|
if (!avctx->channels)
|
|
|
|
avctx->channels = channels;
|
|
|
|
else if (channels != avctx->channels) {
|
|
|
|
av_log(avctx, AV_LOG_WARNING,
|
|
|
|
"channel layout does not match number of channels\n");
|
|
|
|
avctx->channel_layout = 0;
|
|
|
|
}
|
2012-04-04 16:47:45 +02:00
|
|
|
}
|
2012-10-23 06:56:00 +02:00
|
|
|
if (avctx->channels && avctx->channels < 0 ||
|
|
|
|
avctx->channels > FF_SANE_NB_CHANNELS) {
|
|
|
|
ret = AVERROR(EINVAL);
|
|
|
|
goto free_and_end;
|
|
|
|
}
|
2012-04-04 16:47:45 +02:00
|
|
|
}
|
2005-07-25 16:35:01 +02:00
|
|
|
end:
|
|
|
|
entangled_thread_counter--;
|
2009-05-31 08:51:18 +02:00
|
|
|
|
|
|
|
/* Release any user-supplied mutex. */
|
2013-04-20 21:51:11 +02:00
|
|
|
if (lockmgr_cb) {
|
|
|
|
(*lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE);
|
2009-05-31 08:51:18 +02:00
|
|
|
}
|
2011-05-22 14:10:49 +02:00
|
|
|
if (options) {
|
|
|
|
av_dict_free(options);
|
|
|
|
*options = tmp;
|
|
|
|
}
|
|
|
|
|
2005-07-25 16:35:01 +02:00
|
|
|
return ret;
|
2009-09-23 17:16:36 +02:00
|
|
|
free_and_end:
|
2011-05-22 14:10:49 +02:00
|
|
|
av_dict_free(&tmp);
|
2009-09-23 17:16:36 +02:00
|
|
|
av_freep(&avctx->priv_data);
|
2012-11-21 21:34:46 +01:00
|
|
|
if (avctx->internal)
|
|
|
|
av_freep(&avctx->internal->pool);
|
2011-11-15 21:34:50 +01:00
|
|
|
av_freep(&avctx->internal);
|
2012-09-14 19:18:17 +02:00
|
|
|
avctx->codec = NULL;
|
2009-09-23 17:16:36 +02:00
|
|
|
goto end;
|
2001-07-22 16:18:56 +02:00
|
|
|
}
|
|
|
|
|
2011-12-18 19:20:15 +01:00
|
|
|
int ff_alloc_packet(AVPacket *avpkt, int size)
|
2001-07-22 16:18:56 +02:00
|
|
|
{
|
2011-12-18 19:20:15 +01:00
|
|
|
if (size > INT_MAX - FF_INPUT_BUFFER_PADDING_SIZE)
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
|
|
|
|
if (avpkt->data) {
|
2012-10-31 08:53:18 +01:00
|
|
|
AVBufferRef *buf = avpkt->buf;
|
|
|
|
#if FF_API_DESTRUCT_PACKET
|
2012-02-24 22:39:19 +01:00
|
|
|
void *destruct = avpkt->destruct;
|
2012-10-31 08:53:18 +01:00
|
|
|
#endif
|
2011-12-18 19:20:15 +01:00
|
|
|
|
|
|
|
if (avpkt->size < size)
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
|
|
|
|
av_init_packet(avpkt);
|
2012-10-31 08:53:18 +01:00
|
|
|
#if FF_API_DESTRUCT_PACKET
|
2012-02-24 22:39:19 +01:00
|
|
|
avpkt->destruct = destruct;
|
2012-10-31 08:53:18 +01:00
|
|
|
#endif
|
|
|
|
avpkt->buf = buf;
|
2012-09-14 19:18:17 +02:00
|
|
|
avpkt->size = size;
|
2011-12-18 19:20:15 +01:00
|
|
|
return 0;
|
|
|
|
} else {
|
|
|
|
return av_new_packet(avpkt, size);
|
2005-01-12 01:16:25 +01:00
|
|
|
}
|
2011-12-18 19:20:15 +01:00
|
|
|
}
|
|
|
|
|
2012-05-07 13:55:03 +02:00
|
|
|
/**
|
|
|
|
* Pad last frame with silence.
|
|
|
|
*/
|
|
|
|
static int pad_last_frame(AVCodecContext *s, AVFrame **dst, const AVFrame *src)
|
|
|
|
{
|
|
|
|
AVFrame *frame = NULL;
|
|
|
|
uint8_t *buf = NULL;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
if (!(frame = avcodec_alloc_frame()))
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
*frame = *src;
|
|
|
|
|
|
|
|
if ((ret = av_samples_get_buffer_size(&frame->linesize[0], s->channels,
|
|
|
|
s->frame_size, s->sample_fmt, 0)) < 0)
|
|
|
|
goto fail;
|
|
|
|
|
|
|
|
if (!(buf = av_malloc(ret))) {
|
|
|
|
ret = AVERROR(ENOMEM);
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
|
|
|
frame->nb_samples = s->frame_size;
|
|
|
|
if ((ret = avcodec_fill_audio_frame(frame, s->channels, s->sample_fmt,
|
|
|
|
buf, ret, 0)) < 0)
|
|
|
|
goto fail;
|
|
|
|
if ((ret = av_samples_copy(frame->extended_data, src->extended_data, 0, 0,
|
|
|
|
src->nb_samples, s->channels, s->sample_fmt)) < 0)
|
|
|
|
goto fail;
|
|
|
|
if ((ret = av_samples_set_silence(frame->extended_data, src->nb_samples,
|
|
|
|
frame->nb_samples - src->nb_samples,
|
|
|
|
s->channels, s->sample_fmt)) < 0)
|
|
|
|
goto fail;
|
|
|
|
|
|
|
|
*dst = frame;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
fail:
|
|
|
|
if (frame->extended_data != frame->data)
|
|
|
|
av_freep(&frame->extended_data);
|
|
|
|
av_freep(&buf);
|
|
|
|
av_freep(&frame);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2011-12-18 19:20:15 +01:00
|
|
|
int attribute_align_arg avcodec_encode_audio2(AVCodecContext *avctx,
|
|
|
|
AVPacket *avpkt,
|
|
|
|
const AVFrame *frame,
|
|
|
|
int *got_packet_ptr)
|
|
|
|
{
|
2012-05-07 16:56:20 +02:00
|
|
|
AVFrame tmp;
|
2012-05-07 13:55:03 +02:00
|
|
|
AVFrame *padded_frame = NULL;
|
2011-12-18 19:20:15 +01:00
|
|
|
int ret;
|
|
|
|
int user_packet = !!avpkt->data;
|
|
|
|
|
2012-02-24 13:02:05 +01:00
|
|
|
*got_packet_ptr = 0;
|
|
|
|
|
2011-12-18 19:20:15 +01:00
|
|
|
if (!(avctx->codec->capabilities & CODEC_CAP_DELAY) && !frame) {
|
2012-02-24 13:14:02 +01:00
|
|
|
av_free_packet(avpkt);
|
2011-12-18 19:20:15 +01:00
|
|
|
av_init_packet(avpkt);
|
2004-06-22 23:14:01 +02:00
|
|
|
return 0;
|
2011-12-18 19:20:15 +01:00
|
|
|
}
|
|
|
|
|
2012-05-07 16:56:20 +02:00
|
|
|
/* ensure that extended_data is properly set */
|
|
|
|
if (frame && !frame->extended_data) {
|
|
|
|
if (av_sample_fmt_is_planar(avctx->sample_fmt) &&
|
|
|
|
avctx->channels > AV_NUM_DATA_POINTERS) {
|
|
|
|
av_log(avctx, AV_LOG_ERROR, "Encoding to a planar sample format, "
|
2012-09-14 19:18:17 +02:00
|
|
|
"with more than %d channels, but extended_data is not set.\n",
|
2012-05-07 16:56:20 +02:00
|
|
|
AV_NUM_DATA_POINTERS);
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
}
|
|
|
|
av_log(avctx, AV_LOG_WARNING, "extended_data is not set.\n");
|
|
|
|
|
|
|
|
tmp = *frame;
|
|
|
|
tmp.extended_data = tmp.data;
|
|
|
|
frame = &tmp;
|
|
|
|
}
|
|
|
|
|
2011-12-18 19:20:15 +01:00
|
|
|
/* check for valid frame size */
|
|
|
|
if (frame) {
|
|
|
|
if (avctx->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
|
2012-03-21 20:28:00 +01:00
|
|
|
if (frame->nb_samples > avctx->frame_size)
|
2011-12-18 19:20:15 +01:00
|
|
|
return AVERROR(EINVAL);
|
|
|
|
} else if (!(avctx->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
|
2012-05-07 13:55:03 +02:00
|
|
|
if (frame->nb_samples < avctx->frame_size &&
|
|
|
|
!avctx->internal->last_audio_frame) {
|
|
|
|
ret = pad_last_frame(avctx, &padded_frame, frame);
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
frame = padded_frame;
|
|
|
|
avctx->internal->last_audio_frame = 1;
|
|
|
|
}
|
|
|
|
|
2012-08-23 19:47:25 +02:00
|
|
|
if (frame->nb_samples != avctx->frame_size) {
|
|
|
|
ret = AVERROR(EINVAL);
|
|
|
|
goto end;
|
|
|
|
}
|
2011-12-18 19:20:15 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-03-21 20:36:25 +01:00
|
|
|
ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
|
|
|
|
if (!ret) {
|
|
|
|
if (*got_packet_ptr) {
|
2012-02-07 01:08:32 +01:00
|
|
|
if (!(avctx->codec->capabilities & CODEC_CAP_DELAY)) {
|
2012-02-10 23:16:18 +01:00
|
|
|
if (avpkt->pts == AV_NOPTS_VALUE)
|
|
|
|
avpkt->pts = frame->pts;
|
|
|
|
if (!avpkt->duration)
|
|
|
|
avpkt->duration = ff_samples_to_time_base(avctx,
|
|
|
|
frame->nb_samples);
|
2012-02-07 01:08:32 +01:00
|
|
|
}
|
|
|
|
avpkt->dts = avpkt->pts;
|
2012-02-07 20:31:49 +01:00
|
|
|
} else {
|
|
|
|
avpkt->size = 0;
|
2011-12-18 19:20:15 +01:00
|
|
|
}
|
|
|
|
|
2012-03-27 08:21:02 +02:00
|
|
|
if (!user_packet && avpkt->size) {
|
2012-10-31 08:53:18 +01:00
|
|
|
ret = av_buffer_realloc(&avpkt->buf, avpkt->size);
|
|
|
|
if (ret >= 0)
|
|
|
|
avpkt->data = avpkt->buf->data;
|
2012-03-20 18:21:52 +01:00
|
|
|
}
|
|
|
|
|
2011-12-18 19:20:15 +01:00
|
|
|
avctx->frame_number++;
|
2012-03-20 18:21:52 +01:00
|
|
|
}
|
2011-12-18 19:20:15 +01:00
|
|
|
|
2012-03-21 20:47:12 +01:00
|
|
|
if (ret < 0 || !*got_packet_ptr) {
|
2012-02-24 13:14:02 +01:00
|
|
|
av_free_packet(avpkt);
|
2012-03-21 20:47:12 +01:00
|
|
|
av_init_packet(avpkt);
|
2012-08-23 19:47:25 +02:00
|
|
|
goto end;
|
2012-03-21 20:47:12 +01:00
|
|
|
}
|
2012-02-24 13:14:02 +01:00
|
|
|
|
2011-12-18 19:20:15 +01:00
|
|
|
/* NOTE: if we add any audio encoders which output non-keyframe packets,
|
2012-09-14 19:18:17 +02:00
|
|
|
* this needs to be moved to the encoders, but for now we can do it
|
|
|
|
* here to simplify things */
|
2011-12-18 19:20:15 +01:00
|
|
|
avpkt->flags |= AV_PKT_FLAG_KEY;
|
|
|
|
|
2012-08-23 19:47:25 +02:00
|
|
|
end:
|
2012-05-07 13:55:03 +02:00
|
|
|
if (padded_frame) {
|
|
|
|
av_freep(&padded_frame->data[0]);
|
|
|
|
if (padded_frame->extended_data != padded_frame->data)
|
|
|
|
av_freep(&padded_frame->extended_data);
|
|
|
|
av_freep(&padded_frame);
|
|
|
|
}
|
|
|
|
|
2011-12-18 19:20:15 +01:00
|
|
|
return ret;
|
2001-07-22 16:18:56 +02:00
|
|
|
}
|
|
|
|
|
2012-02-01 09:54:38 +01:00
|
|
|
int attribute_align_arg avcodec_encode_video2(AVCodecContext *avctx,
|
|
|
|
AVPacket *avpkt,
|
|
|
|
const AVFrame *frame,
|
|
|
|
int *got_packet_ptr)
|
|
|
|
{
|
|
|
|
int ret;
|
|
|
|
int user_packet = !!avpkt->data;
|
|
|
|
|
2012-02-24 13:06:23 +01:00
|
|
|
*got_packet_ptr = 0;
|
|
|
|
|
2012-02-01 09:54:38 +01:00
|
|
|
if (!(avctx->codec->capabilities & CODEC_CAP_DELAY) && !frame) {
|
2012-02-24 13:14:02 +01:00
|
|
|
av_free_packet(avpkt);
|
2012-02-01 09:54:38 +01:00
|
|
|
av_init_packet(avpkt);
|
2012-09-14 19:18:17 +02:00
|
|
|
avpkt->size = 0;
|
2004-06-22 23:14:01 +02:00
|
|
|
return 0;
|
2012-02-01 09:54:38 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
if (av_image_check_size(avctx->width, avctx->height, 0, avctx))
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
|
2012-02-23 11:02:11 +01:00
|
|
|
av_assert0(avctx->codec->encode2);
|
2012-02-01 09:54:38 +01:00
|
|
|
|
2012-02-23 11:02:11 +01:00
|
|
|
ret = avctx->codec->encode2(avctx, avpkt, frame, got_packet_ptr);
|
|
|
|
if (!ret) {
|
|
|
|
if (!*got_packet_ptr)
|
|
|
|
avpkt->size = 0;
|
|
|
|
else if (!(avctx->codec->capabilities & CODEC_CAP_DELAY))
|
|
|
|
avpkt->pts = avpkt->dts = frame->pts;
|
2012-02-01 09:54:38 +01:00
|
|
|
|
2012-03-27 08:21:02 +02:00
|
|
|
if (!user_packet && avpkt->size) {
|
2012-10-31 08:53:18 +01:00
|
|
|
ret = av_buffer_realloc(&avpkt->buf, avpkt->size);
|
|
|
|
if (ret >= 0)
|
|
|
|
avpkt->data = avpkt->buf->data;
|
2012-03-01 12:15:45 +01:00
|
|
|
}
|
|
|
|
|
2012-02-01 09:54:38 +01:00
|
|
|
avctx->frame_number++;
|
2012-02-24 13:07:57 +01:00
|
|
|
}
|
2012-02-01 09:54:38 +01:00
|
|
|
|
2012-02-24 13:14:02 +01:00
|
|
|
if (ret < 0 || !*got_packet_ptr)
|
|
|
|
av_free_packet(avpkt);
|
|
|
|
|
2012-02-01 09:54:38 +01:00
|
|
|
emms_c();
|
|
|
|
return ret;
|
2001-07-22 16:18:56 +02:00
|
|
|
}
|
|
|
|
|
2005-12-17 19:14:38 +01:00
|
|
|
int avcodec_encode_subtitle(AVCodecContext *avctx, uint8_t *buf, int buf_size,
|
2005-06-03 15:59:38 +02:00
|
|
|
const AVSubtitle *sub)
|
|
|
|
{
|
|
|
|
int ret;
|
2012-09-14 19:18:17 +02:00
|
|
|
if (sub->start_display_time) {
|
2009-02-09 02:51:36 +01:00
|
|
|
av_log(avctx, AV_LOG_ERROR, "start_display_time must be 0.\n");
|
|
|
|
return -1;
|
|
|
|
}
|
2012-09-14 19:18:17 +02:00
|
|
|
if (sub->num_rects == 0 || !sub->rects)
|
2009-02-09 02:58:01 +01:00
|
|
|
return -1;
|
2012-08-18 16:41:24 +02:00
|
|
|
ret = avctx->codec->encode_sub(avctx, buf, buf_size, sub);
|
2005-06-03 15:59:38 +02:00
|
|
|
avctx->frame_number++;
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2012-01-06 02:05:27 +01:00
|
|
|
static void apply_param_change(AVCodecContext *avctx, AVPacket *avpkt)
|
|
|
|
{
|
|
|
|
int size = 0;
|
|
|
|
const uint8_t *data;
|
|
|
|
uint32_t flags;
|
|
|
|
|
|
|
|
if (!(avctx->codec->capabilities & CODEC_CAP_PARAM_CHANGE))
|
|
|
|
return;
|
|
|
|
|
|
|
|
data = av_packet_get_side_data(avpkt, AV_PKT_DATA_PARAM_CHANGE, &size);
|
|
|
|
if (!data || size < 4)
|
|
|
|
return;
|
|
|
|
flags = bytestream_get_le32(&data);
|
|
|
|
size -= 4;
|
|
|
|
if (size < 4) /* Required for any of the changes */
|
|
|
|
return;
|
|
|
|
if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_COUNT) {
|
|
|
|
avctx->channels = bytestream_get_le32(&data);
|
|
|
|
size -= 4;
|
|
|
|
}
|
|
|
|
if (flags & AV_SIDE_DATA_PARAM_CHANGE_CHANNEL_LAYOUT) {
|
|
|
|
if (size < 8)
|
|
|
|
return;
|
|
|
|
avctx->channel_layout = bytestream_get_le64(&data);
|
|
|
|
size -= 8;
|
|
|
|
}
|
|
|
|
if (size < 4)
|
|
|
|
return;
|
|
|
|
if (flags & AV_SIDE_DATA_PARAM_CHANGE_SAMPLE_RATE) {
|
|
|
|
avctx->sample_rate = bytestream_get_le32(&data);
|
|
|
|
size -= 4;
|
|
|
|
}
|
|
|
|
if (flags & AV_SIDE_DATA_PARAM_CHANGE_DIMENSIONS) {
|
|
|
|
if (size < 8)
|
|
|
|
return;
|
|
|
|
avctx->width = bytestream_get_le32(&data);
|
|
|
|
avctx->height = bytestream_get_le32(&data);
|
2012-01-06 02:06:25 +01:00
|
|
|
avcodec_set_dimensions(avctx, avctx->width, avctx->height);
|
2012-01-06 02:05:27 +01:00
|
|
|
size -= 8;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2009-04-07 17:59:50 +02:00
|
|
|
int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture,
|
2012-09-14 19:18:17 +02:00
|
|
|
int *got_picture_ptr,
|
|
|
|
AVPacket *avpkt)
|
2001-07-22 16:18:56 +02:00
|
|
|
{
|
2012-11-21 21:34:46 +01:00
|
|
|
AVCodecInternal *avci = avctx->internal;
|
2001-07-22 16:18:56 +02:00
|
|
|
int ret;
|
2005-12-17 19:14:38 +01:00
|
|
|
|
2012-09-14 19:18:17 +02:00
|
|
|
*got_picture_ptr = 0;
|
|
|
|
if ((avctx->coded_width || avctx->coded_height) && av_image_check_size(avctx->coded_width, avctx->coded_height, 0, avctx))
|
2005-01-12 01:16:25 +01:00
|
|
|
return -1;
|
2011-01-08 00:07:24 +01:00
|
|
|
|
|
|
|
avctx->pkt = avpkt;
|
2012-01-06 02:06:25 +01:00
|
|
|
apply_param_change(avctx, avpkt);
|
2011-01-08 00:07:24 +01:00
|
|
|
|
2012-10-23 08:22:23 +02:00
|
|
|
avcodec_get_frame_defaults(picture);
|
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
if (!avctx->refcounted_frames)
|
|
|
|
av_frame_unref(&avci->to_free);
|
|
|
|
|
2012-09-14 19:18:17 +02:00
|
|
|
if ((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size || (avctx->active_thread_type & FF_THREAD_FRAME)) {
|
|
|
|
if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
|
|
|
|
ret = ff_thread_decode_frame(avctx, picture, got_picture_ptr,
|
|
|
|
avpkt);
|
2011-02-08 03:15:44 +01:00
|
|
|
else {
|
|
|
|
ret = avctx->codec->decode(avctx, picture, got_picture_ptr,
|
2012-09-14 19:18:17 +02:00
|
|
|
avpkt);
|
2012-12-12 16:36:20 +01:00
|
|
|
picture->pkt_dts = avpkt->dts;
|
|
|
|
/* get_buffer is supposed to set frame parameters */
|
|
|
|
if (!(avctx->codec->capabilities & CODEC_CAP_DR1)) {
|
|
|
|
picture->sample_aspect_ratio = avctx->sample_aspect_ratio;
|
|
|
|
picture->width = avctx->width;
|
|
|
|
picture->height = avctx->height;
|
|
|
|
picture->format = avctx->pix_fmt;
|
|
|
|
}
|
2011-02-08 03:15:44 +01:00
|
|
|
}
|
2002-10-31 13:11:53 +01:00
|
|
|
|
2005-06-17 17:02:53 +02:00
|
|
|
emms_c(); //needed to avoid an emms_c() call before every return;
|
2005-12-17 19:14:38 +01:00
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
if (ret < 0 && picture->data[0])
|
|
|
|
av_frame_unref(picture);
|
|
|
|
|
|
|
|
if (*got_picture_ptr) {
|
|
|
|
if (!avctx->refcounted_frames) {
|
|
|
|
avci->to_free = *picture;
|
|
|
|
avci->to_free.extended_data = avci->to_free.data;
|
2013-04-24 10:19:54 +02:00
|
|
|
memset(picture->buf, 0, sizeof(picture->buf));
|
2012-11-21 21:34:46 +01:00
|
|
|
}
|
|
|
|
|
2005-01-23 19:09:06 +01:00
|
|
|
avctx->frame_number++;
|
2012-11-21 21:34:46 +01:00
|
|
|
}
|
2012-09-14 19:18:17 +02:00
|
|
|
} else
|
|
|
|
ret = 0;
|
2005-01-23 19:09:06 +01:00
|
|
|
|
2012-09-21 09:04:12 +02:00
|
|
|
/* many decoders assign whole AVFrames, thus overwriting extended_data;
|
|
|
|
* make sure it's set correctly */
|
|
|
|
picture->extended_data = picture->data;
|
|
|
|
|
2001-07-22 16:18:56 +02:00
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2011-09-06 18:17:45 +02:00
|
|
|
int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx,
|
|
|
|
AVFrame *frame,
|
|
|
|
int *got_frame_ptr,
|
|
|
|
AVPacket *avpkt)
|
|
|
|
{
|
2012-11-21 21:34:46 +01:00
|
|
|
AVCodecInternal *avci = avctx->internal;
|
2012-09-21 09:04:12 +02:00
|
|
|
int planar, channels;
|
2011-09-06 18:17:45 +02:00
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
*got_frame_ptr = 0;
|
2001-07-22 16:18:56 +02:00
|
|
|
|
2011-01-08 00:07:24 +01:00
|
|
|
avctx->pkt = avpkt;
|
|
|
|
|
2011-09-24 03:54:44 +02:00
|
|
|
if (!avpkt->data && avpkt->size) {
|
|
|
|
av_log(avctx, AV_LOG_ERROR, "invalid packet: NULL data, size != 0\n");
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
}
|
|
|
|
|
2011-12-16 11:59:26 +01:00
|
|
|
apply_param_change(avctx, avpkt);
|
|
|
|
|
2012-10-23 08:22:23 +02:00
|
|
|
avcodec_get_frame_defaults(frame);
|
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
if (!avctx->refcounted_frames)
|
|
|
|
av_frame_unref(&avci->to_free);
|
|
|
|
|
2011-09-06 18:17:45 +02:00
|
|
|
if ((avctx->codec->capabilities & CODEC_CAP_DELAY) || avpkt->size) {
|
|
|
|
ret = avctx->codec->decode(avctx, frame, got_frame_ptr, avpkt);
|
|
|
|
if (ret >= 0 && *got_frame_ptr) {
|
|
|
|
avctx->frame_number++;
|
|
|
|
frame->pkt_dts = avpkt->dts;
|
2011-05-01 14:10:20 +02:00
|
|
|
if (frame->format == AV_SAMPLE_FMT_NONE)
|
|
|
|
frame->format = avctx->sample_fmt;
|
2012-11-21 21:34:46 +01:00
|
|
|
|
|
|
|
if (!avctx->refcounted_frames) {
|
|
|
|
avci->to_free = *frame;
|
|
|
|
avci->to_free.extended_data = avci->to_free.data;
|
2013-04-24 10:19:54 +02:00
|
|
|
memset(frame->buf, 0, sizeof(frame->buf));
|
|
|
|
frame->extended_buf = NULL;
|
|
|
|
frame->nb_extended_buf = 0;
|
2012-11-21 21:34:46 +01:00
|
|
|
}
|
2013-05-07 02:02:51 +02:00
|
|
|
} else if (frame->data[0])
|
2012-11-21 21:34:46 +01:00
|
|
|
av_frame_unref(frame);
|
2007-01-15 00:50:06 +01:00
|
|
|
}
|
2012-09-21 09:04:12 +02:00
|
|
|
|
|
|
|
/* many decoders assign whole AVFrames, thus overwriting extended_data;
|
|
|
|
* make sure it's set correctly; assume decoders that actually use
|
|
|
|
* extended_data are doing it correctly */
|
|
|
|
planar = av_sample_fmt_is_planar(frame->format);
|
|
|
|
channels = av_get_channel_layout_nb_channels(frame->channel_layout);
|
|
|
|
if (!(planar && channels > AV_NUM_DATA_POINTERS))
|
|
|
|
frame->extended_data = frame->data;
|
|
|
|
|
2001-07-22 16:18:56 +02:00
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2009-04-07 17:59:50 +02:00
|
|
|
int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
|
2012-09-14 19:18:17 +02:00
|
|
|
int *got_sub_ptr,
|
|
|
|
AVPacket *avpkt)
|
2005-06-03 15:59:38 +02:00
|
|
|
{
|
|
|
|
int ret;
|
|
|
|
|
2011-01-08 00:07:24 +01:00
|
|
|
avctx->pkt = avpkt;
|
2005-06-03 15:59:38 +02:00
|
|
|
*got_sub_ptr = 0;
|
2009-04-07 17:59:50 +02:00
|
|
|
ret = avctx->codec->decode(avctx, sub, got_sub_ptr, avpkt);
|
2005-06-03 15:59:38 +02:00
|
|
|
if (*got_sub_ptr)
|
|
|
|
avctx->frame_number++;
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2010-07-11 09:35:00 +02:00
|
|
|
void avsubtitle_free(AVSubtitle *sub)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
2012-09-14 19:18:17 +02:00
|
|
|
for (i = 0; i < sub->num_rects; i++) {
|
2010-07-11 09:53:39 +02:00
|
|
|
av_freep(&sub->rects[i]->pict.data[0]);
|
|
|
|
av_freep(&sub->rects[i]->pict.data[1]);
|
|
|
|
av_freep(&sub->rects[i]->pict.data[2]);
|
|
|
|
av_freep(&sub->rects[i]->pict.data[3]);
|
|
|
|
av_freep(&sub->rects[i]->text);
|
|
|
|
av_freep(&sub->rects[i]->ass);
|
|
|
|
av_freep(&sub->rects[i]);
|
2010-07-11 09:35:00 +02:00
|
|
|
}
|
|
|
|
|
2010-07-11 09:53:39 +02:00
|
|
|
av_freep(&sub->rects);
|
2010-07-11 09:35:00 +02:00
|
|
|
|
|
|
|
memset(sub, 0, sizeof(AVSubtitle));
|
|
|
|
}
|
|
|
|
|
2010-01-13 03:16:00 +01:00
|
|
|
av_cold int avcodec_close(AVCodecContext *avctx)
|
2001-07-22 16:18:56 +02:00
|
|
|
{
|
2009-05-31 08:51:18 +02:00
|
|
|
/* If there is a user-supplied mutex locking routine, call it. */
|
2013-04-20 21:51:11 +02:00
|
|
|
if (lockmgr_cb) {
|
|
|
|
if ((*lockmgr_cb)(&codec_mutex, AV_LOCK_OBTAIN))
|
2009-05-31 08:51:18 +02:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2005-07-25 16:35:01 +02:00
|
|
|
entangled_thread_counter++;
|
2012-09-14 19:18:17 +02:00
|
|
|
if (entangled_thread_counter != 1) {
|
2005-07-25 16:35:01 +02:00
|
|
|
av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n");
|
|
|
|
entangled_thread_counter--;
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2012-01-29 12:17:30 +01:00
|
|
|
if (avcodec_is_open(avctx)) {
|
2012-11-21 21:34:46 +01:00
|
|
|
FramePool *pool = avctx->internal->pool;
|
|
|
|
int i;
|
2012-01-29 12:17:30 +01:00
|
|
|
if (HAVE_THREADS && avctx->thread_opaque)
|
|
|
|
ff_thread_free(avctx);
|
|
|
|
if (avctx->codec && avctx->codec->close)
|
|
|
|
avctx->codec->close(avctx);
|
|
|
|
avctx->coded_frame = NULL;
|
2012-11-21 21:34:46 +01:00
|
|
|
if (!avctx->refcounted_frames)
|
|
|
|
av_frame_unref(&avctx->internal->to_free);
|
|
|
|
for (i = 0; i < FF_ARRAY_ELEMS(pool->pools); i++)
|
|
|
|
av_buffer_pool_uninit(&pool->pools[i]);
|
|
|
|
av_freep(&avctx->internal->pool);
|
2012-01-29 12:17:30 +01:00
|
|
|
av_freep(&avctx->internal);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (avctx->priv_data && avctx->codec && avctx->codec->priv_class)
|
2011-06-05 13:18:17 +02:00
|
|
|
av_opt_free(avctx->priv_data);
|
|
|
|
av_opt_free(avctx);
|
2002-05-19 00:59:50 +02:00
|
|
|
av_freep(&avctx->priv_data);
|
2012-03-02 17:00:53 +01:00
|
|
|
if (av_codec_is_encoder(avctx->codec))
|
2010-02-20 19:28:11 +01:00
|
|
|
av_freep(&avctx->extradata);
|
2001-07-22 16:18:56 +02:00
|
|
|
avctx->codec = NULL;
|
2011-02-08 03:15:44 +01:00
|
|
|
avctx->active_thread_type = 0;
|
2005-07-25 16:35:01 +02:00
|
|
|
entangled_thread_counter--;
|
2009-05-31 08:51:18 +02:00
|
|
|
|
|
|
|
/* Release any user-supplied mutex. */
|
2013-04-20 21:51:11 +02:00
|
|
|
if (lockmgr_cb) {
|
|
|
|
(*lockmgr_cb)(&codec_mutex, AV_LOCK_RELEASE);
|
2009-05-31 08:51:18 +02:00
|
|
|
}
|
2001-07-22 16:18:56 +02:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2012-10-18 22:47:38 +02:00
|
|
|
static AVCodec *find_encdec(enum AVCodecID id, int encoder)
|
2001-07-22 16:18:56 +02:00
|
|
|
{
|
2012-09-14 19:18:17 +02:00
|
|
|
AVCodec *p, *experimental = NULL;
|
2001-07-22 16:18:56 +02:00
|
|
|
p = first_avcodec;
|
|
|
|
while (p) {
|
2012-10-18 22:47:38 +02:00
|
|
|
if ((encoder ? av_codec_is_encoder(p) : av_codec_is_decoder(p)) &&
|
|
|
|
p->id == id) {
|
2010-05-26 12:38:48 +02:00
|
|
|
if (p->capabilities & CODEC_CAP_EXPERIMENTAL && !experimental) {
|
|
|
|
experimental = p;
|
|
|
|
} else
|
|
|
|
return p;
|
|
|
|
}
|
2001-07-22 16:18:56 +02:00
|
|
|
p = p->next;
|
|
|
|
}
|
2010-05-26 12:38:48 +02:00
|
|
|
return experimental;
|
2001-07-22 16:18:56 +02:00
|
|
|
}
|
|
|
|
|
2012-10-18 22:47:38 +02:00
|
|
|
AVCodec *avcodec_find_encoder(enum AVCodecID id)
|
|
|
|
{
|
|
|
|
return find_encdec(id, 1);
|
|
|
|
}
|
|
|
|
|
2001-12-23 23:25:18 +01:00
|
|
|
AVCodec *avcodec_find_encoder_by_name(const char *name)
|
|
|
|
{
|
|
|
|
AVCodec *p;
|
2008-10-08 19:19:26 +02:00
|
|
|
if (!name)
|
|
|
|
return NULL;
|
2001-12-23 23:25:18 +01:00
|
|
|
p = first_avcodec;
|
|
|
|
while (p) {
|
2012-09-14 19:18:17 +02:00
|
|
|
if (av_codec_is_encoder(p) && strcmp(name, p->name) == 0)
|
2001-12-23 23:25:18 +01:00
|
|
|
return p;
|
|
|
|
p = p->next;
|
|
|
|
}
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2012-08-05 11:11:04 +02:00
|
|
|
AVCodec *avcodec_find_decoder(enum AVCodecID id)
|
2001-07-22 16:18:56 +02:00
|
|
|
{
|
2012-10-18 22:47:38 +02:00
|
|
|
return find_encdec(id, 0);
|
2001-07-22 16:18:56 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
AVCodec *avcodec_find_decoder_by_name(const char *name)
|
|
|
|
{
|
|
|
|
AVCodec *p;
|
2008-10-08 19:19:26 +02:00
|
|
|
if (!name)
|
|
|
|
return NULL;
|
2001-07-22 16:18:56 +02:00
|
|
|
p = first_avcodec;
|
|
|
|
while (p) {
|
2012-09-14 19:18:17 +02:00
|
|
|
if (av_codec_is_decoder(p) && strcmp(name, p->name) == 0)
|
2001-07-22 16:18:56 +02:00
|
|
|
return p;
|
|
|
|
p = p->next;
|
|
|
|
}
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2010-02-28 20:05:51 +01:00
|
|
|
static int get_bit_rate(AVCodecContext *ctx)
|
2009-11-21 10:58:15 +01:00
|
|
|
{
|
|
|
|
int bit_rate;
|
|
|
|
int bits_per_sample;
|
|
|
|
|
2012-09-14 19:18:17 +02:00
|
|
|
switch (ctx->codec_type) {
|
2010-03-31 01:30:55 +02:00
|
|
|
case AVMEDIA_TYPE_VIDEO:
|
2010-04-14 01:24:25 +02:00
|
|
|
case AVMEDIA_TYPE_DATA:
|
|
|
|
case AVMEDIA_TYPE_SUBTITLE:
|
|
|
|
case AVMEDIA_TYPE_ATTACHMENT:
|
2009-11-21 10:58:15 +01:00
|
|
|
bit_rate = ctx->bit_rate;
|
|
|
|
break;
|
2010-03-31 01:30:55 +02:00
|
|
|
case AVMEDIA_TYPE_AUDIO:
|
2009-11-21 10:58:15 +01:00
|
|
|
bits_per_sample = av_get_bits_per_sample(ctx->codec_id);
|
|
|
|
bit_rate = bits_per_sample ? ctx->sample_rate * ctx->channels * bits_per_sample : ctx->bit_rate;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
bit_rate = 0;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
return bit_rate;
|
|
|
|
}
|
|
|
|
|
2010-06-02 12:54:45 +02:00
|
|
|
size_t av_get_codec_tag_string(char *buf, size_t buf_size, unsigned int codec_tag)
|
|
|
|
{
|
|
|
|
int i, len, ret = 0;
|
|
|
|
|
2012-05-26 01:38:03 +02:00
|
|
|
#define TAG_PRINT(x) \
|
|
|
|
(((x) >= '0' && (x) <= '9') || \
|
|
|
|
((x) >= 'a' && (x) <= 'z') || ((x) >= 'A' && (x) <= 'Z') || \
|
|
|
|
((x) == '.' || (x) == ' '))
|
|
|
|
|
2010-06-02 12:54:45 +02:00
|
|
|
for (i = 0; i < 4; i++) {
|
|
|
|
len = snprintf(buf, buf_size,
|
2012-05-26 01:38:03 +02:00
|
|
|
TAG_PRINT(codec_tag & 0xFF) ? "%c" : "[%d]", codec_tag & 0xFF);
|
2012-09-14 19:18:17 +02:00
|
|
|
buf += len;
|
|
|
|
buf_size = buf_size > len ? buf_size - len : 0;
|
|
|
|
ret += len;
|
|
|
|
codec_tag >>= 8;
|
2010-06-02 12:54:45 +02:00
|
|
|
}
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2001-07-22 16:18:56 +02:00
|
|
|
void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)
|
|
|
|
{
|
|
|
|
const char *codec_name;
|
2011-01-08 10:23:25 +01:00
|
|
|
const char *profile = NULL;
|
2012-08-11 14:50:36 +02:00
|
|
|
const AVCodec *p;
|
2001-07-22 16:18:56 +02:00
|
|
|
char buf1[32];
|
2001-09-23 19:16:51 +02:00
|
|
|
int bitrate;
|
2007-10-18 16:01:20 +02:00
|
|
|
AVRational display_aspect_ratio;
|
2001-07-22 16:18:56 +02:00
|
|
|
|
2012-04-17 20:32:56 +02:00
|
|
|
if (enc->codec)
|
|
|
|
p = enc->codec;
|
|
|
|
else if (encode)
|
2001-07-22 16:18:56 +02:00
|
|
|
p = avcodec_find_encoder(enc->codec_id);
|
|
|
|
else
|
|
|
|
p = avcodec_find_decoder(enc->codec_id);
|
|
|
|
|
|
|
|
if (p) {
|
|
|
|
codec_name = p->name;
|
2011-01-08 10:23:25 +01:00
|
|
|
profile = av_get_profile_name(p, enc->profile);
|
2012-08-05 11:11:04 +02:00
|
|
|
} else if (enc->codec_id == AV_CODEC_ID_MPEG2TS) {
|
2003-10-29 15:08:18 +01:00
|
|
|
/* fake mpeg2 transport stream codec (currently not
|
2012-09-14 19:18:17 +02:00
|
|
|
* registered) */
|
2003-10-29 15:08:18 +01:00
|
|
|
codec_name = "mpeg2ts";
|
2001-07-22 16:18:56 +02:00
|
|
|
} else if (enc->codec_name[0] != '\0') {
|
|
|
|
codec_name = enc->codec_name;
|
|
|
|
} else {
|
|
|
|
/* output avi tags */
|
2010-06-02 12:54:50 +02:00
|
|
|
char tag_buf[32];
|
|
|
|
av_get_codec_tag_string(tag_buf, sizeof(tag_buf), enc->codec_tag);
|
|
|
|
snprintf(buf1, sizeof(buf1), "%s / 0x%04X", tag_buf, enc->codec_tag);
|
2001-07-22 16:18:56 +02:00
|
|
|
codec_name = buf1;
|
|
|
|
}
|
|
|
|
|
2012-09-14 19:18:17 +02:00
|
|
|
switch (enc->codec_type) {
|
2010-03-31 01:30:55 +02:00
|
|
|
case AVMEDIA_TYPE_VIDEO:
|
2001-07-22 16:18:56 +02:00
|
|
|
snprintf(buf, buf_size,
|
|
|
|
"Video: %s%s",
|
2003-07-29 04:09:12 +02:00
|
|
|
codec_name, enc->mb_decision ? " (hq)" : "");
|
2011-01-08 10:23:25 +01:00
|
|
|
if (profile)
|
|
|
|
snprintf(buf + strlen(buf), buf_size - strlen(buf),
|
|
|
|
" (%s)", profile);
|
2012-10-06 12:10:34 +02:00
|
|
|
if (enc->pix_fmt != AV_PIX_FMT_NONE) {
|
2001-08-11 21:04:31 +02:00
|
|
|
snprintf(buf + strlen(buf), buf_size - strlen(buf),
|
|
|
|
", %s",
|
2011-06-03 11:42:07 +02:00
|
|
|
av_get_pix_fmt_name(enc->pix_fmt));
|
2001-08-11 21:04:31 +02:00
|
|
|
}
|
2001-07-22 16:18:56 +02:00
|
|
|
if (enc->width) {
|
|
|
|
snprintf(buf + strlen(buf), buf_size - strlen(buf),
|
2005-09-18 16:45:17 +02:00
|
|
|
", %dx%d",
|
|
|
|
enc->width, enc->height);
|
2008-03-07 00:09:16 +01:00
|
|
|
if (enc->sample_aspect_ratio.num) {
|
2008-03-07 00:10:47 +01:00
|
|
|
av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
|
2012-09-14 19:18:17 +02:00
|
|
|
enc->width * enc->sample_aspect_ratio.num,
|
|
|
|
enc->height * enc->sample_aspect_ratio.den,
|
|
|
|
1024 * 1024);
|
2008-03-07 00:10:47 +01:00
|
|
|
snprintf(buf + strlen(buf), buf_size - strlen(buf),
|
|
|
|
" [PAR %d:%d DAR %d:%d]",
|
|
|
|
enc->sample_aspect_ratio.num, enc->sample_aspect_ratio.den,
|
|
|
|
display_aspect_ratio.num, display_aspect_ratio.den);
|
2008-03-07 00:09:16 +01:00
|
|
|
}
|
2012-09-14 19:18:17 +02:00
|
|
|
if (av_log_get_level() >= AV_LOG_DEBUG) {
|
|
|
|
int g = av_gcd(enc->time_base.num, enc->time_base.den);
|
2005-09-18 16:45:17 +02:00
|
|
|
snprintf(buf + strlen(buf), buf_size - strlen(buf),
|
2012-09-14 19:18:17 +02:00
|
|
|
", %d/%d",
|
|
|
|
enc->time_base.num / g, enc->time_base.den / g);
|
2005-09-18 16:45:17 +02:00
|
|
|
}
|
2001-07-22 16:18:56 +02:00
|
|
|
}
|
2002-10-10 19:12:55 +02:00
|
|
|
if (encode) {
|
|
|
|
snprintf(buf + strlen(buf), buf_size - strlen(buf),
|
|
|
|
", q=%d-%d", enc->qmin, enc->qmax);
|
|
|
|
}
|
2001-07-22 16:18:56 +02:00
|
|
|
break;
|
2010-03-31 01:30:55 +02:00
|
|
|
case AVMEDIA_TYPE_AUDIO:
|
2001-07-22 16:18:56 +02:00
|
|
|
snprintf(buf, buf_size,
|
|
|
|
"Audio: %s",
|
|
|
|
codec_name);
|
2011-01-08 10:23:25 +01:00
|
|
|
if (profile)
|
|
|
|
snprintf(buf + strlen(buf), buf_size - strlen(buf),
|
|
|
|
" (%s)", profile);
|
2001-07-22 16:18:56 +02:00
|
|
|
if (enc->sample_rate) {
|
|
|
|
snprintf(buf + strlen(buf), buf_size - strlen(buf),
|
2008-11-01 06:03:42 +01:00
|
|
|
", %d Hz", enc->sample_rate);
|
2001-07-22 16:18:56 +02:00
|
|
|
}
|
2008-11-01 06:03:42 +01:00
|
|
|
av_strlcat(buf, ", ", buf_size);
|
2010-11-21 21:06:22 +01:00
|
|
|
av_get_channel_layout_string(buf + strlen(buf), buf_size - strlen(buf), enc->channels, enc->channel_layout);
|
2010-11-12 12:04:40 +01:00
|
|
|
if (enc->sample_fmt != AV_SAMPLE_FMT_NONE) {
|
2008-07-31 14:56:56 +02:00
|
|
|
snprintf(buf + strlen(buf), buf_size - strlen(buf),
|
2010-11-03 21:19:34 +01:00
|
|
|
", %s", av_get_sample_fmt_name(enc->sample_fmt));
|
2008-07-31 14:56:56 +02:00
|
|
|
}
|
2001-07-22 16:18:56 +02:00
|
|
|
break;
|
2010-03-31 01:30:55 +02:00
|
|
|
case AVMEDIA_TYPE_DATA:
|
2003-10-29 15:08:18 +01:00
|
|
|
snprintf(buf, buf_size, "Data: %s", codec_name);
|
2005-06-03 15:59:38 +02:00
|
|
|
break;
|
2010-03-31 01:30:55 +02:00
|
|
|
case AVMEDIA_TYPE_SUBTITLE:
|
2005-06-03 15:59:38 +02:00
|
|
|
snprintf(buf, buf_size, "Subtitle: %s", codec_name);
|
2003-10-29 15:08:18 +01:00
|
|
|
break;
|
2010-03-31 01:30:55 +02:00
|
|
|
case AVMEDIA_TYPE_ATTACHMENT:
|
2008-01-27 16:43:17 +01:00
|
|
|
snprintf(buf, buf_size, "Attachment: %s", codec_name);
|
|
|
|
break;
|
2001-07-22 16:18:56 +02:00
|
|
|
default:
|
2004-10-01 14:31:11 +02:00
|
|
|
snprintf(buf, buf_size, "Invalid Codec type %d", enc->codec_type);
|
|
|
|
return;
|
2001-07-22 16:18:56 +02:00
|
|
|
}
|
2002-10-10 19:12:55 +02:00
|
|
|
if (encode) {
|
|
|
|
if (enc->flags & CODEC_FLAG_PASS1)
|
|
|
|
snprintf(buf + strlen(buf), buf_size - strlen(buf),
|
|
|
|
", pass 1");
|
|
|
|
if (enc->flags & CODEC_FLAG_PASS2)
|
|
|
|
snprintf(buf + strlen(buf), buf_size - strlen(buf),
|
|
|
|
", pass 2");
|
|
|
|
}
|
2010-02-28 20:05:51 +01:00
|
|
|
bitrate = get_bit_rate(enc);
|
2001-09-23 19:16:51 +02:00
|
|
|
if (bitrate != 0) {
|
2005-12-17 19:14:38 +01:00
|
|
|
snprintf(buf + strlen(buf), buf_size - strlen(buf),
|
2001-09-23 19:16:51 +02:00
|
|
|
", %d kb/s", bitrate / 1000);
|
2001-07-22 16:18:56 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2011-01-07 23:27:26 +01:00
|
|
|
const char *av_get_profile_name(const AVCodec *codec, int profile)
|
|
|
|
{
|
|
|
|
const AVProfile *p;
|
|
|
|
if (profile == FF_PROFILE_UNKNOWN || !codec->profiles)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
for (p = codec->profiles; p->profile != FF_PROFILE_UNKNOWN; p++)
|
|
|
|
if (p->profile == profile)
|
|
|
|
return p->name;
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2012-09-14 19:18:17 +02:00
|
|
|
unsigned avcodec_version(void)
|
2002-05-05 11:56:13 +02:00
|
|
|
{
|
2012-09-14 19:18:17 +02:00
|
|
|
return LIBAVCODEC_VERSION_INT;
|
2002-05-05 11:56:13 +02:00
|
|
|
}
|
2001-08-11 21:04:31 +02:00
|
|
|
|
2010-01-03 15:31:25 +01:00
|
|
|
const char *avcodec_configuration(void)
|
2009-11-18 18:15:17 +01:00
|
|
|
{
|
2011-03-14 22:23:10 +01:00
|
|
|
return LIBAV_CONFIGURATION;
|
2009-11-18 18:15:17 +01:00
|
|
|
}
|
|
|
|
|
2010-01-03 15:31:25 +01:00
|
|
|
const char *avcodec_license(void)
|
2009-11-18 18:15:17 +01:00
|
|
|
{
|
|
|
|
#define LICENSE_PREFIX "libavcodec license: "
|
2011-03-14 22:27:40 +01:00
|
|
|
return LICENSE_PREFIX LIBAV_LICENSE + sizeof(LICENSE_PREFIX) - 1;
|
2009-11-18 18:15:17 +01:00
|
|
|
}
|
|
|
|
|
2002-04-24 03:24:06 +02:00
|
|
|
void avcodec_flush_buffers(AVCodecContext *avctx)
|
|
|
|
{
|
2012-09-14 19:18:17 +02:00
|
|
|
if (HAVE_THREADS && avctx->active_thread_type & FF_THREAD_FRAME)
|
2011-02-08 03:15:44 +01:00
|
|
|
ff_thread_flush(avctx);
|
2012-09-14 19:18:17 +02:00
|
|
|
else if (avctx->codec->flush)
|
2003-07-17 14:29:07 +02:00
|
|
|
avctx->codec->flush(avctx);
|
2002-04-24 03:24:06 +02:00
|
|
|
}
|
|
|
|
|
2012-08-05 11:11:04 +02:00
|
|
|
int av_get_exact_bits_per_sample(enum AVCodecID codec_id)
|
2012-01-20 00:36:40 +01:00
|
|
|
{
|
2012-09-14 19:18:17 +02:00
|
|
|
switch (codec_id) {
|
2012-08-05 11:11:04 +02:00
|
|
|
case AV_CODEC_ID_ADPCM_CT:
|
|
|
|
case AV_CODEC_ID_ADPCM_IMA_APC:
|
|
|
|
case AV_CODEC_ID_ADPCM_IMA_EA_SEAD:
|
|
|
|
case AV_CODEC_ID_ADPCM_IMA_WS:
|
|
|
|
case AV_CODEC_ID_ADPCM_G722:
|
|
|
|
case AV_CODEC_ID_ADPCM_YAMAHA:
|
2011-12-02 00:08:35 +01:00
|
|
|
return 4;
|
2012-08-05 11:11:04 +02:00
|
|
|
case AV_CODEC_ID_PCM_ALAW:
|
|
|
|
case AV_CODEC_ID_PCM_MULAW:
|
|
|
|
case AV_CODEC_ID_PCM_S8:
|
|
|
|
case AV_CODEC_ID_PCM_U8:
|
|
|
|
case AV_CODEC_ID_PCM_ZORK:
|
2006-07-07 19:50:09 +02:00
|
|
|
return 8;
|
2012-08-05 11:11:04 +02:00
|
|
|
case AV_CODEC_ID_PCM_S16BE:
|
|
|
|
case AV_CODEC_ID_PCM_S16LE:
|
|
|
|
case AV_CODEC_ID_PCM_S16LE_PLANAR:
|
|
|
|
case AV_CODEC_ID_PCM_U16BE:
|
|
|
|
case AV_CODEC_ID_PCM_U16LE:
|
2006-07-07 19:50:09 +02:00
|
|
|
return 16;
|
2012-08-05 11:11:04 +02:00
|
|
|
case AV_CODEC_ID_PCM_S24DAUD:
|
|
|
|
case AV_CODEC_ID_PCM_S24BE:
|
|
|
|
case AV_CODEC_ID_PCM_S24LE:
|
|
|
|
case AV_CODEC_ID_PCM_U24BE:
|
|
|
|
case AV_CODEC_ID_PCM_U24LE:
|
2006-07-07 19:50:09 +02:00
|
|
|
return 24;
|
2012-08-05 11:11:04 +02:00
|
|
|
case AV_CODEC_ID_PCM_S32BE:
|
|
|
|
case AV_CODEC_ID_PCM_S32LE:
|
|
|
|
case AV_CODEC_ID_PCM_U32BE:
|
|
|
|
case AV_CODEC_ID_PCM_U32LE:
|
|
|
|
case AV_CODEC_ID_PCM_F32BE:
|
|
|
|
case AV_CODEC_ID_PCM_F32LE:
|
2006-07-07 19:50:09 +02:00
|
|
|
return 32;
|
2012-08-05 11:11:04 +02:00
|
|
|
case AV_CODEC_ID_PCM_F64BE:
|
|
|
|
case AV_CODEC_ID_PCM_F64LE:
|
2008-08-19 12:43:47 +02:00
|
|
|
return 64;
|
2006-07-07 19:50:09 +02:00
|
|
|
default:
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-08-05 11:11:04 +02:00
|
|
|
int av_get_bits_per_sample(enum AVCodecID codec_id)
|
2012-01-20 00:36:40 +01:00
|
|
|
{
|
|
|
|
switch (codec_id) {
|
2012-08-05 11:11:04 +02:00
|
|
|
case AV_CODEC_ID_ADPCM_SBPRO_2:
|
2012-01-20 00:36:40 +01:00
|
|
|
return 2;
|
2012-08-05 11:11:04 +02:00
|
|
|
case AV_CODEC_ID_ADPCM_SBPRO_3:
|
2012-01-20 00:36:40 +01:00
|
|
|
return 3;
|
2012-08-05 11:11:04 +02:00
|
|
|
case AV_CODEC_ID_ADPCM_SBPRO_4:
|
|
|
|
case AV_CODEC_ID_ADPCM_IMA_WAV:
|
|
|
|
case AV_CODEC_ID_ADPCM_IMA_QT:
|
|
|
|
case AV_CODEC_ID_ADPCM_SWF:
|
|
|
|
case AV_CODEC_ID_ADPCM_MS:
|
2012-01-20 00:36:40 +01:00
|
|
|
return 4;
|
|
|
|
default:
|
|
|
|
return av_get_exact_bits_per_sample(codec_id);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-01-27 02:08:23 +01:00
|
|
|
int av_get_audio_frame_duration(AVCodecContext *avctx, int frame_bytes)
|
|
|
|
{
|
|
|
|
int id, sr, ch, ba, tag, bps;
|
|
|
|
|
|
|
|
id = avctx->codec_id;
|
|
|
|
sr = avctx->sample_rate;
|
|
|
|
ch = avctx->channels;
|
|
|
|
ba = avctx->block_align;
|
|
|
|
tag = avctx->codec_tag;
|
|
|
|
bps = av_get_exact_bits_per_sample(avctx->codec_id);
|
|
|
|
|
|
|
|
/* codecs with an exact constant bits per sample */
|
|
|
|
if (bps > 0 && ch > 0 && frame_bytes > 0)
|
|
|
|
return (frame_bytes * 8) / (bps * ch);
|
|
|
|
bps = avctx->bits_per_coded_sample;
|
|
|
|
|
|
|
|
/* codecs with a fixed packet duration */
|
|
|
|
switch (id) {
|
2012-08-05 11:11:04 +02:00
|
|
|
case AV_CODEC_ID_ADPCM_ADX: return 32;
|
|
|
|
case AV_CODEC_ID_ADPCM_IMA_QT: return 64;
|
|
|
|
case AV_CODEC_ID_ADPCM_EA_XAS: return 128;
|
|
|
|
case AV_CODEC_ID_AMR_NB:
|
|
|
|
case AV_CODEC_ID_GSM:
|
|
|
|
case AV_CODEC_ID_QCELP:
|
|
|
|
case AV_CODEC_ID_RA_144:
|
|
|
|
case AV_CODEC_ID_RA_288: return 160;
|
|
|
|
case AV_CODEC_ID_IMC: return 256;
|
|
|
|
case AV_CODEC_ID_AMR_WB:
|
|
|
|
case AV_CODEC_ID_GSM_MS: return 320;
|
|
|
|
case AV_CODEC_ID_MP1: return 384;
|
|
|
|
case AV_CODEC_ID_ATRAC1: return 512;
|
|
|
|
case AV_CODEC_ID_ATRAC3: return 1024;
|
|
|
|
case AV_CODEC_ID_MP2:
|
|
|
|
case AV_CODEC_ID_MUSEPACK7: return 1152;
|
|
|
|
case AV_CODEC_ID_AC3: return 1536;
|
2012-01-27 02:08:23 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
if (sr > 0) {
|
|
|
|
/* calc from sample rate */
|
2012-08-05 11:11:04 +02:00
|
|
|
if (id == AV_CODEC_ID_TTA)
|
2012-01-27 02:08:23 +01:00
|
|
|
return 256 * sr / 245;
|
|
|
|
|
|
|
|
if (ch > 0) {
|
|
|
|
/* calc from sample rate and channels */
|
2012-08-05 11:11:04 +02:00
|
|
|
if (id == AV_CODEC_ID_BINKAUDIO_DCT)
|
2012-01-27 02:08:23 +01:00
|
|
|
return (480 << (sr / 22050)) / ch;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ba > 0) {
|
|
|
|
/* calc from block_align */
|
2012-08-05 11:11:04 +02:00
|
|
|
if (id == AV_CODEC_ID_SIPR) {
|
2012-01-27 02:08:23 +01:00
|
|
|
switch (ba) {
|
|
|
|
case 20: return 160;
|
|
|
|
case 19: return 144;
|
|
|
|
case 29: return 288;
|
|
|
|
case 37: return 480;
|
|
|
|
}
|
2012-08-05 11:11:04 +02:00
|
|
|
} else if (id == AV_CODEC_ID_ILBC) {
|
2012-06-15 23:42:13 +02:00
|
|
|
switch (ba) {
|
|
|
|
case 38: return 160;
|
|
|
|
case 50: return 240;
|
|
|
|
}
|
2012-01-27 02:08:23 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (frame_bytes > 0) {
|
|
|
|
/* calc from frame_bytes only */
|
2012-08-05 11:11:04 +02:00
|
|
|
if (id == AV_CODEC_ID_TRUESPEECH)
|
2012-01-27 02:08:23 +01:00
|
|
|
return 240 * (frame_bytes / 32);
|
2012-08-05 11:11:04 +02:00
|
|
|
if (id == AV_CODEC_ID_NELLYMOSER)
|
2012-01-27 02:08:23 +01:00
|
|
|
return 256 * (frame_bytes / 64);
|
|
|
|
|
|
|
|
if (bps > 0) {
|
|
|
|
/* calc from frame_bytes and bits_per_coded_sample */
|
2012-08-05 11:11:04 +02:00
|
|
|
if (id == AV_CODEC_ID_ADPCM_G726)
|
2012-01-27 02:08:23 +01:00
|
|
|
return frame_bytes * 8 / bps;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ch > 0) {
|
|
|
|
/* calc from frame_bytes and channels */
|
|
|
|
switch (id) {
|
2012-08-05 11:11:04 +02:00
|
|
|
case AV_CODEC_ID_ADPCM_4XM:
|
|
|
|
case AV_CODEC_ID_ADPCM_IMA_ISS:
|
2012-01-27 02:08:23 +01:00
|
|
|
return (frame_bytes - 4 * ch) * 2 / ch;
|
2012-08-05 11:11:04 +02:00
|
|
|
case AV_CODEC_ID_ADPCM_IMA_SMJPEG:
|
2012-01-27 02:08:23 +01:00
|
|
|
return (frame_bytes - 4) * 2 / ch;
|
2012-08-05 11:11:04 +02:00
|
|
|
case AV_CODEC_ID_ADPCM_IMA_AMV:
|
2012-01-27 02:08:23 +01:00
|
|
|
return (frame_bytes - 8) * 2 / ch;
|
2012-08-05 11:11:04 +02:00
|
|
|
case AV_CODEC_ID_ADPCM_XA:
|
2012-01-27 02:08:23 +01:00
|
|
|
return (frame_bytes / 128) * 224 / ch;
|
2012-08-05 11:11:04 +02:00
|
|
|
case AV_CODEC_ID_INTERPLAY_DPCM:
|
2012-01-27 02:08:23 +01:00
|
|
|
return (frame_bytes - 6 - ch) / ch;
|
2012-08-05 11:11:04 +02:00
|
|
|
case AV_CODEC_ID_ROQ_DPCM:
|
2012-01-27 02:08:23 +01:00
|
|
|
return (frame_bytes - 8) / ch;
|
2012-08-05 11:11:04 +02:00
|
|
|
case AV_CODEC_ID_XAN_DPCM:
|
2012-01-27 02:08:23 +01:00
|
|
|
return (frame_bytes - 2 * ch) / ch;
|
2012-08-05 11:11:04 +02:00
|
|
|
case AV_CODEC_ID_MACE3:
|
2012-01-27 02:08:23 +01:00
|
|
|
return 3 * frame_bytes / ch;
|
2012-08-05 11:11:04 +02:00
|
|
|
case AV_CODEC_ID_MACE6:
|
2012-01-27 02:08:23 +01:00
|
|
|
return 6 * frame_bytes / ch;
|
2012-08-05 11:11:04 +02:00
|
|
|
case AV_CODEC_ID_PCM_LXF:
|
2012-01-27 02:08:23 +01:00
|
|
|
return 2 * (frame_bytes / (5 * ch));
|
|
|
|
}
|
|
|
|
|
|
|
|
if (tag) {
|
|
|
|
/* calc from frame_bytes, channels, and codec_tag */
|
2012-08-05 11:11:04 +02:00
|
|
|
if (id == AV_CODEC_ID_SOL_DPCM) {
|
2012-01-27 02:08:23 +01:00
|
|
|
if (tag == 3)
|
|
|
|
return frame_bytes / ch;
|
|
|
|
else
|
|
|
|
return frame_bytes * 2 / ch;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ba > 0) {
|
|
|
|
/* calc from frame_bytes, channels, and block_align */
|
|
|
|
int blocks = frame_bytes / ba;
|
|
|
|
switch (avctx->codec_id) {
|
2012-08-05 11:11:04 +02:00
|
|
|
case AV_CODEC_ID_ADPCM_IMA_WAV:
|
2012-01-27 02:08:23 +01:00
|
|
|
return blocks * (1 + (ba - 4 * ch) / (4 * ch) * 8);
|
2012-08-05 11:11:04 +02:00
|
|
|
case AV_CODEC_ID_ADPCM_IMA_DK3:
|
2012-03-18 21:36:32 +01:00
|
|
|
return blocks * (((ba - 16) * 2 / 3 * 4) / ch);
|
2012-08-05 11:11:04 +02:00
|
|
|
case AV_CODEC_ID_ADPCM_IMA_DK4:
|
2012-01-27 02:08:23 +01:00
|
|
|
return blocks * (1 + (ba - 4 * ch) * 2 / ch);
|
2012-08-05 11:11:04 +02:00
|
|
|
case AV_CODEC_ID_ADPCM_MS:
|
2012-01-27 02:08:23 +01:00
|
|
|
return blocks * (2 + (ba - 7 * ch) * 2 / ch);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (bps > 0) {
|
|
|
|
/* calc from frame_bytes, channels, and bits_per_coded_sample */
|
|
|
|
switch (avctx->codec_id) {
|
2012-08-05 11:11:04 +02:00
|
|
|
case AV_CODEC_ID_PCM_DVD:
|
2012-01-27 02:08:23 +01:00
|
|
|
return 2 * (frame_bytes / ((bps * 2 / 8) * ch));
|
2012-08-05 11:11:04 +02:00
|
|
|
case AV_CODEC_ID_PCM_BLURAY:
|
2012-01-27 02:08:23 +01:00
|
|
|
return frame_bytes / ((FFALIGN(ch, 2) * bps) / 8);
|
2012-08-05 11:11:04 +02:00
|
|
|
case AV_CODEC_ID_S302M:
|
2012-01-27 02:08:23 +01:00
|
|
|
return 2 * (frame_bytes / ((bps + 4) / 4)) / ch;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2009-01-14 00:44:16 +01:00
|
|
|
#if !HAVE_THREADS
|
2012-09-14 19:18:17 +02:00
|
|
|
int ff_thread_init(AVCodecContext *s)
|
|
|
|
{
|
2004-05-11 01:38:53 +02:00
|
|
|
return -1;
|
|
|
|
}
|
2012-09-14 19:18:17 +02:00
|
|
|
|
2004-05-11 01:38:53 +02:00
|
|
|
#endif
|
2005-05-13 20:10:23 +02:00
|
|
|
|
|
|
|
unsigned int av_xiphlacing(unsigned char *s, unsigned int v)
|
|
|
|
{
|
|
|
|
unsigned int n = 0;
|
|
|
|
|
2012-09-14 19:18:17 +02:00
|
|
|
while (v >= 0xff) {
|
2005-05-13 20:10:23 +02:00
|
|
|
*s++ = 0xff;
|
|
|
|
v -= 0xff;
|
|
|
|
n++;
|
|
|
|
}
|
|
|
|
*s = v;
|
|
|
|
n++;
|
|
|
|
return n;
|
|
|
|
}
|
2006-03-30 06:33:05 +02:00
|
|
|
|
2012-09-14 19:18:17 +02:00
|
|
|
int ff_match_2uint16(const uint16_t(*tab)[2], int size, int a, int b)
|
|
|
|
{
|
2010-01-09 19:33:21 +01:00
|
|
|
int i;
|
2012-09-14 19:18:17 +02:00
|
|
|
for (i = 0; i < size && !(tab[i][0] == a && tab[i][1] == b); i++) ;
|
2010-01-09 19:33:21 +01:00
|
|
|
return i;
|
|
|
|
}
|
|
|
|
|
2013-01-22 02:41:54 +01:00
|
|
|
#if FF_API_MISSING_SAMPLE
|
2009-06-29 21:07:04 +02:00
|
|
|
void av_log_missing_feature(void *avc, const char *feature, int want_sample)
|
2008-08-10 22:29:43 +02:00
|
|
|
{
|
2012-10-08 19:08:03 +02:00
|
|
|
av_log(avc, AV_LOG_WARNING, "%s is not implemented. Update your Libav "
|
2011-01-17 22:13:50 +01:00
|
|
|
"version to the newest one from Git. If the problem still "
|
2008-08-10 22:29:43 +02:00
|
|
|
"occurs, it means that your file has a feature which has not "
|
2011-04-27 15:11:41 +02:00
|
|
|
"been implemented.\n", feature);
|
2008-08-10 22:29:43 +02:00
|
|
|
if(want_sample)
|
2009-06-29 21:07:04 +02:00
|
|
|
av_log_ask_for_sample(avc, NULL);
|
2009-01-16 17:20:42 +01:00
|
|
|
}
|
|
|
|
|
2011-04-22 19:30:25 +02:00
|
|
|
void av_log_ask_for_sample(void *avc, const char *msg, ...)
|
2009-01-16 17:20:42 +01:00
|
|
|
{
|
2011-04-22 19:30:25 +02:00
|
|
|
va_list argument_list;
|
|
|
|
|
|
|
|
va_start(argument_list, msg);
|
|
|
|
|
2009-01-16 17:20:42 +01:00
|
|
|
if (msg)
|
2011-04-22 19:30:25 +02:00
|
|
|
av_vlog(avc, AV_LOG_WARNING, msg, argument_list);
|
2009-01-16 17:20:42 +01:00
|
|
|
av_log(avc, AV_LOG_WARNING, "If you want to help, upload a sample "
|
2011-04-17 20:13:59 +02:00
|
|
|
"of this file to ftp://upload.libav.org/incoming/ "
|
2011-03-13 23:29:19 +01:00
|
|
|
"and contact the libav-devel mailing list.\n");
|
2011-04-22 19:30:25 +02:00
|
|
|
|
|
|
|
va_end(argument_list);
|
2008-08-10 22:29:43 +02:00
|
|
|
}
|
2013-01-22 02:41:54 +01:00
|
|
|
#endif /* FF_API_MISSING_SAMPLE */
|
2009-02-24 19:46:00 +01:00
|
|
|
|
|
|
|
static AVHWAccel *first_hwaccel = NULL;
|
|
|
|
|
|
|
|
void av_register_hwaccel(AVHWAccel *hwaccel)
|
|
|
|
{
|
|
|
|
AVHWAccel **p = &first_hwaccel;
|
|
|
|
while (*p)
|
|
|
|
p = &(*p)->next;
|
|
|
|
*p = hwaccel;
|
|
|
|
hwaccel->next = NULL;
|
|
|
|
}
|
2009-02-24 19:47:36 +01:00
|
|
|
|
|
|
|
AVHWAccel *av_hwaccel_next(AVHWAccel *hwaccel)
|
|
|
|
{
|
|
|
|
return hwaccel ? hwaccel->next : first_hwaccel;
|
|
|
|
}
|
2009-02-24 19:51:16 +01:00
|
|
|
|
2012-10-06 12:10:34 +02:00
|
|
|
AVHWAccel *ff_find_hwaccel(enum AVCodecID codec_id, enum AVPixelFormat pix_fmt)
|
2009-02-24 19:51:16 +01:00
|
|
|
{
|
2012-09-14 19:18:17 +02:00
|
|
|
AVHWAccel *hwaccel = NULL;
|
2009-02-24 19:51:16 +01:00
|
|
|
|
2012-09-14 19:18:17 +02:00
|
|
|
while ((hwaccel = av_hwaccel_next(hwaccel)))
|
|
|
|
if (hwaccel->id == codec_id
|
2009-02-24 19:51:16 +01:00
|
|
|
&& hwaccel->pix_fmt == pix_fmt)
|
|
|
|
return hwaccel;
|
|
|
|
return NULL;
|
|
|
|
}
|
2009-05-31 08:51:18 +02:00
|
|
|
|
|
|
|
int av_lockmgr_register(int (*cb)(void **mutex, enum AVLockOp op))
|
|
|
|
{
|
2013-04-20 21:51:11 +02:00
|
|
|
if (lockmgr_cb) {
|
|
|
|
if (lockmgr_cb(&codec_mutex, AV_LOCK_DESTROY))
|
2009-05-31 08:51:18 +02:00
|
|
|
return -1;
|
2013-04-20 21:51:11 +02:00
|
|
|
if (lockmgr_cb(&avformat_mutex, AV_LOCK_DESTROY))
|
2011-10-30 00:20:15 +02:00
|
|
|
return -1;
|
2009-05-31 08:51:18 +02:00
|
|
|
}
|
|
|
|
|
2013-04-20 21:51:11 +02:00
|
|
|
lockmgr_cb = cb;
|
2009-05-31 08:51:18 +02:00
|
|
|
|
2013-04-20 21:51:11 +02:00
|
|
|
if (lockmgr_cb) {
|
|
|
|
if (lockmgr_cb(&codec_mutex, AV_LOCK_CREATE))
|
2009-05-31 08:51:18 +02:00
|
|
|
return -1;
|
2013-04-20 21:51:11 +02:00
|
|
|
if (lockmgr_cb(&avformat_mutex, AV_LOCK_CREATE))
|
2011-10-30 00:20:15 +02:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int avpriv_lock_avformat(void)
|
|
|
|
{
|
2013-04-20 21:51:11 +02:00
|
|
|
if (lockmgr_cb) {
|
|
|
|
if ((*lockmgr_cb)(&avformat_mutex, AV_LOCK_OBTAIN))
|
2011-10-30 00:20:15 +02:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int avpriv_unlock_avformat(void)
|
|
|
|
{
|
2013-04-20 21:51:11 +02:00
|
|
|
if (lockmgr_cb) {
|
|
|
|
if ((*lockmgr_cb)(&avformat_mutex, AV_LOCK_RELEASE))
|
2011-10-30 00:20:15 +02:00
|
|
|
return -1;
|
2009-05-31 08:51:18 +02:00
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
2010-05-18 21:16:40 +02:00
|
|
|
|
2011-10-17 10:12:51 +02:00
|
|
|
unsigned int avpriv_toupper4(unsigned int x)
|
2010-05-18 21:16:40 +02:00
|
|
|
{
|
2013-03-03 11:17:50 +01:00
|
|
|
return av_toupper(x & 0xFF) +
|
|
|
|
(av_toupper((x >> 8) & 0xFF) << 8) +
|
|
|
|
(av_toupper((x >> 16) & 0xFF) << 16) +
|
|
|
|
(av_toupper((x >> 24) & 0xFF) << 24);
|
2010-05-18 21:16:40 +02:00
|
|
|
}
|
2011-02-08 03:15:44 +01:00
|
|
|
|
2012-11-21 21:34:46 +01:00
|
|
|
int ff_thread_ref_frame(ThreadFrame *dst, ThreadFrame *src)
|
|
|
|
{
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
dst->owner = src->owner;
|
|
|
|
|
|
|
|
ret = av_frame_ref(dst->f, src->f);
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
if (src->progress &&
|
|
|
|
!(dst->progress = av_buffer_ref(src->progress))) {
|
|
|
|
ff_thread_release_buffer(dst->owner, dst);
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2011-10-09 21:38:35 +02:00
|
|
|
#if !HAVE_THREADS
|
2011-02-08 03:15:44 +01:00
|
|
|
|
2013-03-08 08:43:32 +01:00
|
|
|
int ff_thread_get_buffer(AVCodecContext *avctx, ThreadFrame *f, int flags)
|
2011-02-08 03:15:44 +01:00
|
|
|
{
|
|
|
|
f->owner = avctx;
|
2013-03-08 08:43:32 +01:00
|
|
|
return ff_get_buffer(avctx, f->f, flags);
|
2011-02-08 03:15:44 +01:00
|
|
|
}
|
|
|
|
|
2013-03-08 08:43:32 +01:00
|
|
|
void ff_thread_release_buffer(AVCodecContext *avctx, ThreadFrame *f)
|
2011-02-08 03:15:44 +01:00
|
|
|
{
|
2013-03-08 08:43:32 +01:00
|
|
|
av_frame_unref(f->f);
|
2011-02-08 03:15:44 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
void ff_thread_finish_setup(AVCodecContext *avctx)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
2013-03-08 08:43:32 +01:00
|
|
|
void ff_thread_report_progress(ThreadFrame *f, int progress, int field)
|
2011-02-08 03:15:44 +01:00
|
|
|
{
|
|
|
|
}
|
|
|
|
|
2013-03-08 08:43:32 +01:00
|
|
|
void ff_thread_await_progress(ThreadFrame *f, int progress, int field)
|
2011-02-08 03:15:44 +01:00
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif
|
2011-04-20 17:21:39 +02:00
|
|
|
|
2012-08-05 11:11:04 +02:00
|
|
|
enum AVMediaType avcodec_get_type(enum AVCodecID codec_id)
|
2011-08-11 17:45:50 +02:00
|
|
|
{
|
2012-08-05 11:11:04 +02:00
|
|
|
if (codec_id <= AV_CODEC_ID_NONE)
|
2011-08-11 17:45:50 +02:00
|
|
|
return AVMEDIA_TYPE_UNKNOWN;
|
2012-08-05 11:11:04 +02:00
|
|
|
else if (codec_id < AV_CODEC_ID_FIRST_AUDIO)
|
2011-08-11 17:45:50 +02:00
|
|
|
return AVMEDIA_TYPE_VIDEO;
|
2012-08-05 11:11:04 +02:00
|
|
|
else if (codec_id < AV_CODEC_ID_FIRST_SUBTITLE)
|
2011-08-11 17:45:50 +02:00
|
|
|
return AVMEDIA_TYPE_AUDIO;
|
2012-08-05 11:11:04 +02:00
|
|
|
else if (codec_id < AV_CODEC_ID_FIRST_UNKNOWN)
|
2011-08-11 17:45:50 +02:00
|
|
|
return AVMEDIA_TYPE_SUBTITLE;
|
|
|
|
|
|
|
|
return AVMEDIA_TYPE_UNKNOWN;
|
|
|
|
}
|
2011-12-08 06:57:44 +01:00
|
|
|
|
|
|
|
int avcodec_is_open(AVCodecContext *s)
|
|
|
|
{
|
|
|
|
return !!s->internal;
|
|
|
|
}
|
2013-03-25 11:42:57 +01:00
|
|
|
|
2013-03-25 13:11:41 +01:00
|
|
|
const uint8_t *avpriv_find_start_code(const uint8_t *restrict p,
|
|
|
|
const uint8_t *end,
|
|
|
|
uint32_t * restrict state)
|
2013-03-25 11:42:57 +01:00
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
assert(p <= end);
|
|
|
|
if (p >= end)
|
|
|
|
return end;
|
|
|
|
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
|
|
uint32_t tmp = *state << 8;
|
|
|
|
*state = tmp + *(p++);
|
|
|
|
if (tmp == 0x100 || p == end)
|
|
|
|
return p;
|
|
|
|
}
|
|
|
|
|
|
|
|
while (p < end) {
|
|
|
|
if (p[-1] > 1 ) p += 3;
|
|
|
|
else if (p[-2] ) p += 2;
|
|
|
|
else if (p[-3]|(p[-1]-1)) p++;
|
|
|
|
else {
|
|
|
|
p++;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
p = FFMIN(p, end) - 4;
|
|
|
|
*state = AV_RB32(p);
|
|
|
|
|
|
|
|
return p + 4;
|
|
|
|
}
|