2008-02-15 22:33:56 +01:00
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/*
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2008-02-15 22:40:40 +01:00
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* filter layer
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2010-11-28 11:22:58 +01:00
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* Copyright (c) 2007 Bobby Bingham
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2008-02-15 22:33:56 +01:00
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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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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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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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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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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2013-06-28 12:39:26 +02:00
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#include "libavutil/atomic.h"
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2012-11-12 11:32:11 +01:00
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#include "libavutil/avassert.h"
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#include "libavutil/avstring.h"
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2012-11-10 16:00:00 +01:00
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#include "libavutil/channel_layout.h"
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2012-08-06 15:49:32 +02:00
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#include "libavutil/common.h"
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2013-04-08 20:35:02 +02:00
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#include "libavutil/eval.h"
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2012-11-27 07:49:45 +01:00
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#include "libavutil/imgutils.h"
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2013-03-27 18:36:51 +01:00
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#include "libavutil/internal.h"
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2013-03-16 20:40:30 +01:00
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#include "libavutil/opt.h"
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2010-01-31 17:33:29 +01:00
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#include "libavutil/pixdesc.h"
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2010-10-11 00:26:14 +02:00
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#include "libavutil/rational.h"
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2012-11-27 07:49:45 +01:00
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#include "libavutil/samplefmt.h"
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2012-05-07 10:51:23 +02:00
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2012-11-27 07:49:45 +01:00
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#include "audio.h"
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2008-02-15 22:33:56 +01:00
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#include "avfilter.h"
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2012-05-06 07:00:22 +02:00
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#include "formats.h"
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2010-07-19 00:37:39 +02:00
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#include "internal.h"
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2008-02-15 22:33:56 +01:00
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2014-12-19 18:04:40 +01:00
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#include "libavutil/ffversion.h"
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const char av_filter_ffversion[] = "FFmpeg version " FFMPEG_VERSION;
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2013-03-10 01:30:30 +01:00
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static int ff_filter_frame_framed(AVFilterLink *link, AVFrame *frame);
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2012-12-30 19:28:51 +01:00
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2013-03-10 01:30:30 +01:00
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void ff_tlog_ref(void *ctx, AVFrame *ref, int end)
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2012-06-01 23:05:13 +02:00
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{
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av_unused char buf[16];
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2012-06-05 11:24:07 +02:00
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ff_tlog(ctx,
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2013-03-10 01:30:30 +01:00
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"ref[%p buf:%p data:%p linesize[%d, %d, %d, %d] pts:%"PRId64" pos:%"PRId64,
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ref, ref->buf, ref->data[0],
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2012-06-01 23:05:13 +02:00
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ref->linesize[0], ref->linesize[1], ref->linesize[2], ref->linesize[3],
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2013-03-10 01:30:30 +01:00
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ref->pts, av_frame_get_pkt_pos(ref));
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2012-06-01 23:05:13 +02:00
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2013-03-10 01:30:30 +01:00
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if (ref->width) {
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2012-06-05 11:24:07 +02:00
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ff_tlog(ctx, " a:%d/%d s:%dx%d i:%c iskey:%d type:%c",
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2013-03-10 01:30:30 +01:00
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ref->sample_aspect_ratio.num, ref->sample_aspect_ratio.den,
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ref->width, ref->height,
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!ref->interlaced_frame ? 'P' : /* Progressive */
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ref->top_field_first ? 'T' : 'B', /* Top / Bottom */
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ref->key_frame,
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av_get_picture_type_char(ref->pict_type));
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2012-06-01 23:05:13 +02:00
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}
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2013-03-10 01:30:30 +01:00
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if (ref->nb_samples) {
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2012-06-05 11:24:07 +02:00
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ff_tlog(ctx, " cl:%"PRId64"d n:%d r:%d",
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2013-03-10 01:30:30 +01:00
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ref->channel_layout,
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ref->nb_samples,
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ref->sample_rate);
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2012-06-01 23:05:13 +02:00
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}
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2012-06-05 11:24:07 +02:00
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ff_tlog(ctx, "]%s", end ? "\n" : "");
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2012-06-01 23:05:13 +02:00
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}
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2013-04-01 15:20:22 +02:00
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unsigned avfilter_version(void)
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{
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2011-12-23 06:01:20 +01:00
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av_assert0(LIBAVFILTER_VERSION_MICRO >= 100);
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2008-08-08 20:43:38 +02:00
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return LIBAVFILTER_VERSION_INT;
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}
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2010-01-03 15:31:25 +01:00
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const char *avfilter_configuration(void)
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2009-11-18 18:15:17 +01:00
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{
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2011-03-17 17:01:10 +01:00
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return FFMPEG_CONFIGURATION;
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2009-11-18 18:15:17 +01:00
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}
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2010-01-03 15:31:25 +01:00
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const char *avfilter_license(void)
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2009-11-18 18:15:17 +01:00
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{
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#define LICENSE_PREFIX "libavfilter license: "
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2011-03-17 16:57:37 +01:00
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return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
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2009-11-18 18:15:17 +01:00
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}
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2012-05-16 02:27:31 +02:00
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void ff_command_queue_pop(AVFilterContext *filter)
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2011-08-29 00:06:16 +02:00
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{
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AVFilterCommand *c= filter->command_queue;
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av_freep(&c->arg);
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av_freep(&c->command);
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filter->command_queue= c->next;
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av_free(c);
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}
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2013-09-13 12:13:12 +02:00
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int ff_insert_pad(unsigned idx, unsigned *count, size_t padidx_off,
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2012-05-30 10:31:48 +02:00
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AVFilterPad **pads, AVFilterLink ***links,
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AVFilterPad *newpad)
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2008-02-15 22:37:22 +01:00
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{
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2013-09-13 12:13:12 +02:00
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AVFilterLink **newlinks;
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AVFilterPad *newpads;
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2008-02-15 22:37:22 +01:00
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unsigned i;
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idx = FFMIN(idx, *count);
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2013-09-13 12:13:12 +02:00
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newpads = av_realloc_array(*pads, *count + 1, sizeof(AVFilterPad));
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newlinks = av_realloc_array(*links, *count + 1, sizeof(AVFilterLink*));
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if (newpads)
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*pads = newpads;
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if (newlinks)
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*links = newlinks;
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if (!newpads || !newlinks)
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return AVERROR(ENOMEM);
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2013-04-01 15:20:22 +02:00
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memmove(*pads + idx + 1, *pads + idx, sizeof(AVFilterPad) * (*count - idx));
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memmove(*links + idx + 1, *links + idx, sizeof(AVFilterLink*) * (*count - idx));
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memcpy(*pads + idx, newpad, sizeof(AVFilterPad));
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2008-02-15 22:37:22 +01:00
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(*links)[idx] = NULL;
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2010-08-19 16:32:31 +02:00
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(*count)++;
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2013-04-01 15:20:22 +02:00
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for (i = idx + 1; i < *count; i++)
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2013-10-21 16:21:14 +02:00
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if ((*links)[i])
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(*(unsigned *)((uint8_t *) (*links)[i] + padidx_off))++;
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2013-09-13 12:13:12 +02:00
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return 0;
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2008-02-15 22:37:22 +01:00
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}
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2008-02-15 22:33:56 +01:00
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int avfilter_link(AVFilterContext *src, unsigned srcpad,
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AVFilterContext *dst, unsigned dstpad)
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{
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AVFilterLink *link;
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2012-06-12 21:25:10 +02:00
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if (src->nb_outputs <= srcpad || dst->nb_inputs <= dstpad ||
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src->outputs[srcpad] || dst->inputs[dstpad])
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2015-02-23 05:21:16 +01:00
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return AVERROR(EINVAL);
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2008-02-15 22:33:56 +01:00
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2011-01-13 02:00:36 +01:00
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if (src->output_pads[srcpad].type != dst->input_pads[dstpad].type) {
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av_log(src, AV_LOG_ERROR,
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2012-06-23 11:34:46 +02:00
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"Media type mismatch between the '%s' filter output pad %d (%s) and the '%s' filter input pad %d (%s)\n",
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src->name, srcpad, (char *)av_x_if_null(av_get_media_type_string(src->output_pads[srcpad].type), "?"),
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dst->name, dstpad, (char *)av_x_if_null(av_get_media_type_string(dst-> input_pads[dstpad].type), "?"));
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2011-01-13 02:00:36 +01:00
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return AVERROR(EINVAL);
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}
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2013-04-01 15:44:21 +02:00
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link = av_mallocz(sizeof(*link));
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if (!link)
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return AVERROR(ENOMEM);
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src->outputs[srcpad] = dst->inputs[dstpad] = link;
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2008-02-15 22:33:56 +01:00
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2008-02-15 22:36:29 +01:00
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link->src = src;
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link->dst = dst;
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2010-09-27 18:58:48 +02:00
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link->srcpad = &src->output_pads[srcpad];
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link->dstpad = &dst->input_pads[dstpad];
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2010-07-22 13:12:47 +02:00
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link->type = src->output_pads[srcpad].type;
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2012-10-08 20:54:00 +02:00
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av_assert0(AV_PIX_FMT_NONE == -1 && AV_SAMPLE_FMT_NONE == -1);
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2010-07-22 13:12:47 +02:00
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link->format = -1;
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2008-02-15 22:37:18 +01:00
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return 0;
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}
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2011-06-02 17:45:33 +02:00
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void avfilter_link_free(AVFilterLink **link)
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{
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if (!*link)
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return;
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2013-03-10 01:30:30 +01:00
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av_frame_free(&(*link)->partial_buf);
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2012-08-22 23:31:49 +02:00
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2011-06-02 17:45:33 +02:00
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av_freep(link);
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}
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2012-12-02 16:31:15 +01:00
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int avfilter_link_get_channels(AVFilterLink *link)
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{
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return link->channels;
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}
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2012-08-19 19:26:58 +02:00
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void avfilter_link_set_closed(AVFilterLink *link, int closed)
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{
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link->closed = closed;
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}
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2008-02-15 22:39:19 +01:00
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int avfilter_insert_filter(AVFilterLink *link, AVFilterContext *filt,
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2010-09-27 23:57:16 +02:00
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unsigned filt_srcpad_idx, unsigned filt_dstpad_idx)
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2008-02-15 22:39:19 +01:00
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{
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2010-09-27 19:28:53 +02:00
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int ret;
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2010-09-27 18:58:48 +02:00
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unsigned dstpad_idx = link->dstpad - link->dst->input_pads;
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2012-06-25 06:31:38 +02:00
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av_log(link->dst, AV_LOG_VERBOSE, "auto-inserting filter '%s' "
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2010-01-13 01:16:52 +01:00
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"between the filter '%s' and the filter '%s'\n",
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filt->name, link->src->name, link->dst->name);
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2008-02-15 22:39:19 +01:00
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2010-09-27 18:58:48 +02:00
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link->dst->inputs[dstpad_idx] = NULL;
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2010-09-27 23:57:16 +02:00
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if ((ret = avfilter_link(filt, filt_dstpad_idx, link->dst, dstpad_idx)) < 0) {
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2008-02-15 22:39:19 +01:00
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/* failed to link output filter to new filter */
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2010-09-27 18:58:48 +02:00
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link->dst->inputs[dstpad_idx] = link;
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2010-09-27 19:28:53 +02:00
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return ret;
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2008-02-15 22:39:19 +01:00
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}
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/* re-hookup the link to the new destination filter we inserted */
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2013-04-01 15:20:22 +02:00
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link->dst = filt;
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link->dstpad = &filt->input_pads[filt_srcpad_idx];
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2010-09-27 23:57:16 +02:00
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filt->inputs[filt_srcpad_idx] = link;
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2008-02-15 22:39:19 +01:00
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2010-07-22 13:12:47 +02:00
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/* if any information on supported media formats already exists on the
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2008-02-15 22:39:28 +01:00
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* link, we need to preserve that */
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2010-08-19 16:32:31 +02:00
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if (link->out_formats)
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2012-05-30 10:12:55 +02:00
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ff_formats_changeref(&link->out_formats,
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2013-04-01 15:20:22 +02:00
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&filt->outputs[filt_dstpad_idx]->out_formats);
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2012-05-06 07:00:22 +02:00
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if (link->out_samplerates)
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2012-05-30 10:12:55 +02:00
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ff_formats_changeref(&link->out_samplerates,
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2013-04-01 15:20:22 +02:00
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&filt->outputs[filt_dstpad_idx]->out_samplerates);
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2012-05-06 07:00:22 +02:00
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if (link->out_channel_layouts)
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ff_channel_layouts_changeref(&link->out_channel_layouts,
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&filt->outputs[filt_dstpad_idx]->out_channel_layouts);
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2008-02-15 22:39:28 +01:00
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2008-02-15 22:39:19 +01:00
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return 0;
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}
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2008-02-15 22:39:41 +01:00
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int avfilter_config_links(AVFilterContext *filter)
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2008-02-15 22:37:18 +01:00
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{
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int (*config_link)(AVFilterLink *);
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2008-02-15 22:39:41 +01:00
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unsigned i;
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2010-10-10 20:54:39 +02:00
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int ret;
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2008-02-15 22:39:41 +01:00
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|
2012-06-12 21:25:10 +02:00
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for (i = 0; i < filter->nb_inputs; i ++) {
|
2008-02-15 22:40:46 +01:00
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AVFilterLink *link = filter->inputs[i];
|
2013-01-20 21:38:21 +01:00
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AVFilterLink *inlink;
|
2008-02-15 22:38:58 +01:00
|
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2010-08-19 16:32:31 +02:00
|
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if (!link) continue;
|
2014-10-20 15:11:13 +02:00
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if (!link->src || !link->dst) {
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av_log(filter, AV_LOG_ERROR,
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"Not all input and output are properly linked (%d).\n", i);
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return AVERROR(EINVAL);
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|
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}
|
2008-02-15 22:39:41 +01:00
|
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|
|
2013-01-20 21:38:21 +01:00
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inlink = link->src->nb_inputs ? link->src->inputs[0] : NULL;
|
2012-04-18 11:02:22 +02:00
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link->current_pts = AV_NOPTS_VALUE;
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2010-08-19 16:32:31 +02:00
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switch (link->init_state) {
|
2008-02-15 22:39:41 +01:00
|
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case AVLINK_INIT:
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continue;
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|
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case AVLINK_STARTINIT:
|
2008-02-15 22:41:11 +01:00
|
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|
av_log(filter, AV_LOG_INFO, "circular filter chain detected\n");
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return 0;
|
2008-02-15 22:39:41 +01:00
|
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|
case AVLINK_UNINIT:
|
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link->init_state = AVLINK_STARTINIT;
|
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|
2010-10-10 20:54:39 +02:00
|
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if ((ret = avfilter_config_links(link->src)) < 0)
|
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|
return ret;
|
2008-02-15 22:33:56 +01:00
|
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|
2011-08-04 14:47:00 +02:00
|
|
|
if (!(config_link = link->srcpad->config_props)) {
|
2012-06-12 21:25:10 +02:00
|
|
|
if (link->src->nb_inputs != 1) {
|
2011-08-04 14:47:00 +02:00
|
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|
av_log(link->src, AV_LOG_ERROR, "Source filters and filters "
|
|
|
|
"with more than one input "
|
|
|
|
"must set config_props() "
|
|
|
|
"callbacks on all outputs\n");
|
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|
|
return AVERROR(EINVAL);
|
|
|
|
}
|
2012-06-08 21:02:04 +02:00
|
|
|
} else if ((ret = config_link(link)) < 0) {
|
|
|
|
av_log(link->src, AV_LOG_ERROR,
|
|
|
|
"Failed to configure output pad on %s\n",
|
|
|
|
link->src->name);
|
2010-10-10 20:54:39 +02:00
|
|
|
return ret;
|
2012-06-08 21:02:04 +02:00
|
|
|
}
|
2008-02-15 22:35:53 +01:00
|
|
|
|
2011-08-04 14:47:00 +02:00
|
|
|
switch (link->type) {
|
|
|
|
case AVMEDIA_TYPE_VIDEO:
|
|
|
|
if (!link->time_base.num && !link->time_base.den)
|
2011-09-16 18:46:09 +02:00
|
|
|
link->time_base = inlink ? inlink->time_base : AV_TIME_BASE_Q;
|
2011-08-04 14:47:00 +02:00
|
|
|
|
|
|
|
if (!link->sample_aspect_ratio.num && !link->sample_aspect_ratio.den)
|
2011-09-16 18:46:09 +02:00
|
|
|
link->sample_aspect_ratio = inlink ?
|
|
|
|
inlink->sample_aspect_ratio : (AVRational){1,1};
|
2011-08-04 14:47:00 +02:00
|
|
|
|
2012-06-05 12:32:57 +02:00
|
|
|
if (inlink && !link->frame_rate.num && !link->frame_rate.den)
|
|
|
|
link->frame_rate = inlink->frame_rate;
|
|
|
|
|
2011-09-16 18:46:09 +02:00
|
|
|
if (inlink) {
|
2011-08-04 14:47:00 +02:00
|
|
|
if (!link->w)
|
2011-09-16 18:46:09 +02:00
|
|
|
link->w = inlink->w;
|
2011-08-04 14:47:00 +02:00
|
|
|
if (!link->h)
|
2011-09-16 18:46:09 +02:00
|
|
|
link->h = inlink->h;
|
2011-08-04 14:47:00 +02:00
|
|
|
} else if (!link->w || !link->h) {
|
|
|
|
av_log(link->src, AV_LOG_ERROR,
|
|
|
|
"Video source filters must set their output link's "
|
|
|
|
"width and height\n");
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case AVMEDIA_TYPE_AUDIO:
|
2011-09-16 18:46:09 +02:00
|
|
|
if (inlink) {
|
2011-09-16 12:38:31 +02:00
|
|
|
if (!link->time_base.num && !link->time_base.den)
|
2011-09-16 18:46:09 +02:00
|
|
|
link->time_base = inlink->time_base;
|
2011-08-04 14:47:00 +02:00
|
|
|
}
|
2011-09-16 12:38:31 +02:00
|
|
|
|
|
|
|
if (!link->time_base.num && !link->time_base.den)
|
|
|
|
link->time_base = (AVRational) {1, link->sample_rate};
|
2011-08-04 14:47:00 +02:00
|
|
|
}
|
2011-02-13 22:59:55 +01:00
|
|
|
|
2010-09-27 18:58:48 +02:00
|
|
|
if ((config_link = link->dstpad->config_props))
|
2012-06-08 21:02:04 +02:00
|
|
|
if ((ret = config_link(link)) < 0) {
|
2014-02-23 15:40:06 +01:00
|
|
|
av_log(link->dst, AV_LOG_ERROR,
|
2012-06-08 21:02:04 +02:00
|
|
|
"Failed to configure input pad on %s\n",
|
|
|
|
link->dst->name);
|
2010-10-10 20:54:39 +02:00
|
|
|
return ret;
|
2012-06-08 21:02:04 +02:00
|
|
|
}
|
2008-02-15 22:35:53 +01:00
|
|
|
|
2008-02-15 22:39:41 +01:00
|
|
|
link->init_state = AVLINK_INIT;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2008-02-15 22:33:56 +01:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2012-06-05 11:24:07 +02:00
|
|
|
void ff_tlog_link(void *ctx, AVFilterLink *link, int end)
|
2009-10-07 00:07:32 +02:00
|
|
|
{
|
2011-01-15 20:58:29 +01:00
|
|
|
if (link->type == AVMEDIA_TYPE_VIDEO) {
|
2012-06-05 11:24:07 +02:00
|
|
|
ff_tlog(ctx,
|
2011-12-25 13:23:02 +01:00
|
|
|
"link[%p s:%dx%d fmt:%s %s->%s]%s",
|
2011-01-15 21:02:03 +01:00
|
|
|
link, link->w, link->h,
|
2012-10-06 13:29:37 +02:00
|
|
|
av_get_pix_fmt_name(link->format),
|
2011-01-15 21:02:03 +01:00
|
|
|
link->src ? link->src->filter->name : "",
|
|
|
|
link->dst ? link->dst->filter->name : "",
|
|
|
|
end ? "\n" : "");
|
2011-01-15 20:58:29 +01:00
|
|
|
} else {
|
|
|
|
char buf[128];
|
|
|
|
av_get_channel_layout_string(buf, sizeof(buf), -1, link->channel_layout);
|
|
|
|
|
2012-06-05 11:24:07 +02:00
|
|
|
ff_tlog(ctx,
|
2011-12-25 13:23:02 +01:00
|
|
|
"link[%p r:%d cl:%s fmt:%s %s->%s]%s",
|
2011-08-21 19:17:24 +02:00
|
|
|
link, (int)link->sample_rate, buf,
|
2011-01-15 20:58:29 +01:00
|
|
|
av_get_sample_fmt_name(link->format),
|
|
|
|
link->src ? link->src->filter->name : "",
|
|
|
|
link->dst ? link->dst->filter->name : "",
|
|
|
|
end ? "\n" : "");
|
|
|
|
}
|
2009-10-07 00:07:32 +02:00
|
|
|
}
|
|
|
|
|
2012-05-30 11:20:32 +02:00
|
|
|
int ff_request_frame(AVFilterLink *link)
|
2008-02-15 22:33:56 +01:00
|
|
|
{
|
2012-06-30 10:11:22 +02:00
|
|
|
int ret = -1;
|
2012-06-05 11:24:07 +02:00
|
|
|
FF_TPRINTF_START(NULL, request_frame); ff_tlog_link(NULL, link, 1);
|
2009-10-07 00:07:32 +02:00
|
|
|
|
2012-08-19 19:26:58 +02:00
|
|
|
if (link->closed)
|
|
|
|
return AVERROR_EOF;
|
2015-10-27 07:24:18 +01:00
|
|
|
if (link->srcpad->request_frame)
|
|
|
|
ret = link->srcpad->request_frame(link);
|
|
|
|
else if (link->src->inputs[0])
|
|
|
|
ret = ff_request_frame(link->src->inputs[0]);
|
|
|
|
if (ret == AVERROR_EOF && link->partial_buf) {
|
|
|
|
AVFrame *pbuf = link->partial_buf;
|
|
|
|
link->partial_buf = NULL;
|
|
|
|
ret = ff_filter_frame_framed(link, pbuf);
|
|
|
|
}
|
|
|
|
if (ret < 0) {
|
|
|
|
if (ret == AVERROR_EOF)
|
|
|
|
link->closed = 1;
|
|
|
|
}
|
2012-06-30 10:11:22 +02:00
|
|
|
return ret;
|
2008-02-15 22:33:56 +01:00
|
|
|
}
|
|
|
|
|
2012-05-30 11:20:32 +02:00
|
|
|
int ff_poll_frame(AVFilterLink *link)
|
2008-02-15 22:40:26 +01:00
|
|
|
{
|
2010-08-19 16:32:31 +02:00
|
|
|
int i, min = INT_MAX;
|
2008-02-15 22:40:26 +01:00
|
|
|
|
2010-09-27 18:58:48 +02:00
|
|
|
if (link->srcpad->poll_frame)
|
|
|
|
return link->srcpad->poll_frame(link);
|
2008-02-15 22:41:31 +01:00
|
|
|
|
2012-06-12 21:25:10 +02:00
|
|
|
for (i = 0; i < link->src->nb_inputs; i++) {
|
2009-10-19 00:33:37 +02:00
|
|
|
int val;
|
2010-08-19 16:32:31 +02:00
|
|
|
if (!link->src->inputs[i])
|
2015-02-23 05:21:16 +01:00
|
|
|
return AVERROR(EINVAL);
|
2012-05-30 11:20:32 +02:00
|
|
|
val = ff_poll_frame(link->src->inputs[i]);
|
2009-10-19 00:33:37 +02:00
|
|
|
min = FFMIN(min, val);
|
2008-02-15 22:41:31 +01:00
|
|
|
}
|
2008-02-15 22:40:26 +01:00
|
|
|
|
|
|
|
return min;
|
|
|
|
}
|
|
|
|
|
2014-10-06 13:04:26 +02:00
|
|
|
static const char *const var_names[] = {
|
|
|
|
"t",
|
|
|
|
"n",
|
|
|
|
"pos",
|
|
|
|
"w",
|
|
|
|
"h",
|
|
|
|
NULL
|
|
|
|
};
|
|
|
|
|
|
|
|
enum {
|
|
|
|
VAR_T,
|
|
|
|
VAR_N,
|
|
|
|
VAR_POS,
|
|
|
|
VAR_W,
|
|
|
|
VAR_H,
|
|
|
|
VAR_VARS_NB
|
|
|
|
};
|
2013-04-20 14:11:21 +02:00
|
|
|
|
|
|
|
static int set_enable_expr(AVFilterContext *ctx, const char *expr)
|
|
|
|
{
|
|
|
|
int ret;
|
|
|
|
char *expr_dup;
|
|
|
|
AVExpr *old = ctx->enable;
|
|
|
|
|
|
|
|
if (!(ctx->filter->flags & AVFILTER_FLAG_SUPPORT_TIMELINE)) {
|
|
|
|
av_log(ctx, AV_LOG_ERROR, "Timeline ('enable' option) not supported "
|
|
|
|
"with filter '%s'\n", ctx->filter->name);
|
|
|
|
return AVERROR_PATCHWELCOME;
|
|
|
|
}
|
|
|
|
|
|
|
|
expr_dup = av_strdup(expr);
|
|
|
|
if (!expr_dup)
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
|
|
|
|
if (!ctx->var_values) {
|
|
|
|
ctx->var_values = av_calloc(VAR_VARS_NB, sizeof(*ctx->var_values));
|
|
|
|
if (!ctx->var_values) {
|
|
|
|
av_free(expr_dup);
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
ret = av_expr_parse((AVExpr**)&ctx->enable, expr_dup, var_names,
|
|
|
|
NULL, NULL, NULL, NULL, 0, ctx->priv);
|
|
|
|
if (ret < 0) {
|
|
|
|
av_log(ctx->priv, AV_LOG_ERROR,
|
|
|
|
"Error when evaluating the expression '%s' for enable\n",
|
|
|
|
expr_dup);
|
|
|
|
av_free(expr_dup);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
av_expr_free(old);
|
|
|
|
av_free(ctx->enable_str);
|
|
|
|
ctx->enable_str = expr_dup;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2012-05-10 22:41:29 +02:00
|
|
|
void ff_update_link_current_pts(AVFilterLink *link, int64_t pts)
|
2012-04-18 11:02:22 +02:00
|
|
|
{
|
2012-04-28 00:41:01 +02:00
|
|
|
if (pts == AV_NOPTS_VALUE)
|
2012-04-18 11:02:22 +02:00
|
|
|
return;
|
2012-07-17 17:43:39 +02:00
|
|
|
link->current_pts = av_rescale_q(pts, link->time_base, AV_TIME_BASE_Q);
|
|
|
|
/* TODO use duration */
|
2012-04-18 11:02:22 +02:00
|
|
|
if (link->graph && link->age_index >= 0)
|
|
|
|
ff_avfilter_graph_update_heap(link->graph, link);
|
|
|
|
}
|
|
|
|
|
2011-08-28 20:46:31 +02:00
|
|
|
int avfilter_process_command(AVFilterContext *filter, const char *cmd, const char *arg, char *res, int res_len, int flags)
|
|
|
|
{
|
|
|
|
if(!strcmp(cmd, "ping")){
|
2013-09-10 13:39:57 +02:00
|
|
|
char local_res[256] = {0};
|
|
|
|
|
|
|
|
if (!res) {
|
|
|
|
res = local_res;
|
|
|
|
res_len = sizeof(local_res);
|
|
|
|
}
|
2011-08-28 20:46:31 +02:00
|
|
|
av_strlcatf(res, res_len, "pong from:%s %s\n", filter->filter->name, filter->name);
|
2013-09-10 13:39:57 +02:00
|
|
|
if (res == local_res)
|
|
|
|
av_log(filter, AV_LOG_INFO, "%s", res);
|
2011-08-28 20:46:31 +02:00
|
|
|
return 0;
|
2013-04-20 14:11:21 +02:00
|
|
|
}else if(!strcmp(cmd, "enable")) {
|
|
|
|
return set_enable_expr(filter, arg);
|
2011-08-28 20:46:31 +02:00
|
|
|
}else if(filter->filter->process_command) {
|
|
|
|
return filter->filter->process_command(filter, cmd, arg, res, res_len, flags);
|
|
|
|
}
|
|
|
|
return AVERROR(ENOSYS);
|
|
|
|
}
|
|
|
|
|
2013-04-03 09:20:36 +02:00
|
|
|
static AVFilter *first_filter;
|
2013-12-08 02:27:11 +01:00
|
|
|
static AVFilter **last_filter = &first_filter;
|
2009-10-27 20:52:14 +01:00
|
|
|
|
2013-10-28 02:58:12 +01:00
|
|
|
#if !FF_API_NOCONST_GET_NAME
|
|
|
|
const
|
|
|
|
#endif
|
2008-02-15 22:40:33 +01:00
|
|
|
AVFilter *avfilter_get_by_name(const char *name)
|
2008-02-15 22:33:56 +01:00
|
|
|
{
|
2013-05-11 22:29:46 +02:00
|
|
|
const AVFilter *f = NULL;
|
2008-02-15 22:38:20 +01:00
|
|
|
|
2013-04-07 07:33:24 +02:00
|
|
|
if (!name)
|
|
|
|
return NULL;
|
|
|
|
|
2013-04-03 09:20:36 +02:00
|
|
|
while ((f = avfilter_next(f)))
|
|
|
|
if (!strcmp(f->name, name))
|
2013-05-11 22:29:46 +02:00
|
|
|
return (AVFilter *)f;
|
2008-02-15 22:33:56 +01:00
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2009-11-25 00:47:33 +01:00
|
|
|
int avfilter_register(AVFilter *filter)
|
2008-02-15 22:33:56 +01:00
|
|
|
{
|
2013-12-08 02:27:11 +01:00
|
|
|
AVFilter **f = last_filter;
|
2012-11-28 14:46:46 +01:00
|
|
|
|
2013-05-09 01:04:41 +02:00
|
|
|
/* the filter must select generic or internal exclusively */
|
|
|
|
av_assert0((filter->flags & AVFILTER_FLAG_SUPPORT_TIMELINE) != AVFILTER_FLAG_SUPPORT_TIMELINE);
|
|
|
|
|
2013-04-03 09:20:36 +02:00
|
|
|
filter->next = NULL;
|
2013-04-12 15:01:41 +02:00
|
|
|
|
2013-12-06 15:24:10 +01:00
|
|
|
while(*f || avpriv_atomic_ptr_cas((void * volatile *)f, NULL, filter))
|
2013-06-28 12:39:26 +02:00
|
|
|
f = &(*f)->next;
|
2013-12-08 02:27:11 +01:00
|
|
|
last_filter = &filter->next;
|
2013-06-28 12:39:26 +02:00
|
|
|
|
2009-11-25 00:47:33 +01:00
|
|
|
return 0;
|
2008-02-15 22:33:56 +01:00
|
|
|
}
|
|
|
|
|
2013-04-03 09:20:36 +02:00
|
|
|
const AVFilter *avfilter_next(const AVFilter *prev)
|
|
|
|
{
|
|
|
|
return prev ? prev->next : first_filter;
|
|
|
|
}
|
|
|
|
|
|
|
|
#if FF_API_OLD_FILTER_REGISTER
|
2009-11-25 00:58:48 +01:00
|
|
|
AVFilter **av_filter_next(AVFilter **filter)
|
|
|
|
{
|
2013-04-03 09:20:36 +02:00
|
|
|
return filter ? &(*filter)->next : &first_filter;
|
2009-11-25 00:58:48 +01:00
|
|
|
}
|
|
|
|
|
2008-02-15 22:33:56 +01:00
|
|
|
void avfilter_uninit(void)
|
|
|
|
{
|
|
|
|
}
|
2013-04-03 09:20:36 +02:00
|
|
|
#endif
|
2008-02-15 22:33:56 +01:00
|
|
|
|
2013-03-28 08:59:13 +01:00
|
|
|
int avfilter_pad_count(const AVFilterPad *pads)
|
2008-02-15 22:33:56 +01:00
|
|
|
{
|
|
|
|
int count;
|
|
|
|
|
2012-09-16 13:58:49 +02:00
|
|
|
if (!pads)
|
|
|
|
return 0;
|
|
|
|
|
2013-04-01 15:20:22 +02:00
|
|
|
for (count = 0; pads->name; count++)
|
|
|
|
pads++;
|
2008-02-15 22:33:56 +01:00
|
|
|
return count;
|
|
|
|
}
|
|
|
|
|
2012-06-10 17:22:52 +02:00
|
|
|
static const char *default_filter_name(void *filter_ctx)
|
2008-02-15 22:33:56 +01:00
|
|
|
{
|
2012-06-01 14:46:54 +02:00
|
|
|
AVFilterContext *ctx = filter_ctx;
|
|
|
|
return ctx->name ? ctx->name : ctx->filter->name;
|
2008-02-15 22:33:56 +01:00
|
|
|
}
|
|
|
|
|
2012-08-09 14:59:10 +02:00
|
|
|
static void *filter_child_next(void *obj, void *prev)
|
|
|
|
{
|
|
|
|
AVFilterContext *ctx = obj;
|
2013-03-13 08:48:16 +01:00
|
|
|
if (!prev && ctx->filter && ctx->filter->priv_class && ctx->priv)
|
2012-08-09 14:59:10 +02:00
|
|
|
return ctx->priv;
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
static const AVClass *filter_child_class_next(const AVClass *prev)
|
|
|
|
{
|
2013-05-08 23:53:31 +02:00
|
|
|
const AVFilter *f = NULL;
|
2012-08-09 14:59:10 +02:00
|
|
|
|
|
|
|
/* find the filter that corresponds to prev */
|
2013-04-03 09:20:36 +02:00
|
|
|
while (prev && (f = avfilter_next(f)))
|
|
|
|
if (f->priv_class == prev)
|
2012-08-09 14:59:10 +02:00
|
|
|
break;
|
|
|
|
|
|
|
|
/* could not find filter corresponding to prev */
|
2013-04-12 15:01:41 +02:00
|
|
|
if (prev && !f)
|
2012-08-09 14:59:10 +02:00
|
|
|
return NULL;
|
|
|
|
|
|
|
|
/* find next filter with specific options */
|
2013-04-03 09:20:36 +02:00
|
|
|
while ((f = avfilter_next(f)))
|
|
|
|
if (f->priv_class)
|
|
|
|
return f->priv_class;
|
2013-03-13 08:48:16 +01:00
|
|
|
|
2012-08-09 14:59:10 +02:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2013-04-08 20:35:02 +02:00
|
|
|
#define OFFSET(x) offsetof(AVFilterContext, x)
|
|
|
|
#define FLAGS AV_OPT_FLAG_FILTERING_PARAM
|
2013-08-01 14:35:01 +02:00
|
|
|
static const AVOption avfilter_options[] = {
|
2013-05-11 20:41:46 +02:00
|
|
|
{ "thread_type", "Allowed thread types", OFFSET(thread_type), AV_OPT_TYPE_FLAGS,
|
|
|
|
{ .i64 = AVFILTER_THREAD_SLICE }, 0, INT_MAX, FLAGS, "thread_type" },
|
|
|
|
{ "slice", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AVFILTER_THREAD_SLICE }, .unit = "thread_type" },
|
2013-04-08 20:35:02 +02:00
|
|
|
{ "enable", "set enable expression", OFFSET(enable_str), AV_OPT_TYPE_STRING, {.str=NULL}, .flags = FLAGS },
|
2013-05-11 20:41:46 +02:00
|
|
|
{ NULL },
|
2013-04-08 20:35:02 +02:00
|
|
|
};
|
|
|
|
|
2008-03-07 10:08:28 +01:00
|
|
|
static const AVClass avfilter_class = {
|
2012-05-29 09:59:21 +02:00
|
|
|
.class_name = "AVFilter",
|
2012-06-05 18:58:51 +02:00
|
|
|
.item_name = default_filter_name,
|
2012-05-29 09:59:21 +02:00
|
|
|
.version = LIBAVUTIL_VERSION_INT,
|
2012-06-16 14:34:36 +02:00
|
|
|
.category = AV_CLASS_CATEGORY_FILTER,
|
2012-08-09 14:59:10 +02:00
|
|
|
.child_next = filter_child_next,
|
|
|
|
.child_class_next = filter_child_class_next,
|
2013-08-01 14:35:01 +02:00
|
|
|
.option = avfilter_options,
|
2008-03-07 10:08:28 +01:00
|
|
|
};
|
|
|
|
|
2013-08-08 16:28:41 +02:00
|
|
|
static int default_execute(AVFilterContext *ctx, avfilter_action_func *func, void *arg,
|
2013-05-11 20:41:46 +02:00
|
|
|
int *ret, int nb_jobs)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < nb_jobs; i++) {
|
|
|
|
int r = func(ctx, arg, i, nb_jobs);
|
|
|
|
if (ret)
|
|
|
|
ret[i] = r;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2013-03-31 08:28:11 +02:00
|
|
|
AVFilterContext *ff_filter_alloc(const AVFilter *filter, const char *inst_name)
|
2008-02-15 22:33:56 +01:00
|
|
|
{
|
2008-02-15 22:39:12 +01:00
|
|
|
AVFilterContext *ret;
|
|
|
|
|
|
|
|
if (!filter)
|
2013-03-31 08:28:11 +02:00
|
|
|
return NULL;
|
2008-02-15 22:39:12 +01:00
|
|
|
|
2009-01-12 21:30:57 +01:00
|
|
|
ret = av_mallocz(sizeof(AVFilterContext));
|
2011-05-04 03:25:40 +02:00
|
|
|
if (!ret)
|
2013-03-31 08:28:11 +02:00
|
|
|
return NULL;
|
2008-02-15 22:33:56 +01:00
|
|
|
|
2008-03-07 10:08:28 +01:00
|
|
|
ret->av_class = &avfilter_class;
|
2008-02-15 22:33:56 +01:00
|
|
|
ret->filter = filter;
|
2008-02-15 22:36:40 +01:00
|
|
|
ret->name = inst_name ? av_strdup(inst_name) : NULL;
|
2011-05-04 03:25:40 +02:00
|
|
|
if (filter->priv_size) {
|
2011-04-27 17:29:09 +02:00
|
|
|
ret->priv = av_mallocz(filter->priv_size);
|
2011-05-04 03:25:40 +02:00
|
|
|
if (!ret->priv)
|
|
|
|
goto err;
|
|
|
|
}
|
2008-02-15 22:33:56 +01:00
|
|
|
|
2013-05-11 20:41:46 +02:00
|
|
|
av_opt_set_defaults(ret);
|
2013-02-25 21:21:29 +01:00
|
|
|
if (filter->priv_class) {
|
|
|
|
*(const AVClass**)ret->priv = filter->priv_class;
|
|
|
|
av_opt_set_defaults(ret->priv);
|
|
|
|
}
|
|
|
|
|
2013-05-11 20:41:46 +02:00
|
|
|
ret->internal = av_mallocz(sizeof(*ret->internal));
|
|
|
|
if (!ret->internal)
|
|
|
|
goto err;
|
|
|
|
ret->internal->execute = default_execute;
|
|
|
|
|
2013-03-28 08:59:13 +01:00
|
|
|
ret->nb_inputs = avfilter_pad_count(filter->inputs);
|
2012-06-12 21:25:10 +02:00
|
|
|
if (ret->nb_inputs ) {
|
2014-07-19 19:42:46 +02:00
|
|
|
ret->input_pads = av_malloc_array(ret->nb_inputs, sizeof(AVFilterPad));
|
2011-05-04 03:25:40 +02:00
|
|
|
if (!ret->input_pads)
|
|
|
|
goto err;
|
2012-06-12 21:25:10 +02:00
|
|
|
memcpy(ret->input_pads, filter->inputs, sizeof(AVFilterPad) * ret->nb_inputs);
|
2014-07-19 19:42:46 +02:00
|
|
|
ret->inputs = av_mallocz_array(ret->nb_inputs, sizeof(AVFilterLink*));
|
2011-05-04 03:25:40 +02:00
|
|
|
if (!ret->inputs)
|
|
|
|
goto err;
|
2009-01-12 21:30:57 +01:00
|
|
|
}
|
2008-02-15 22:37:07 +01:00
|
|
|
|
2013-03-28 08:59:13 +01:00
|
|
|
ret->nb_outputs = avfilter_pad_count(filter->outputs);
|
2012-06-12 21:25:10 +02:00
|
|
|
if (ret->nb_outputs) {
|
2014-07-19 19:42:46 +02:00
|
|
|
ret->output_pads = av_malloc_array(ret->nb_outputs, sizeof(AVFilterPad));
|
2011-05-04 03:25:40 +02:00
|
|
|
if (!ret->output_pads)
|
|
|
|
goto err;
|
2012-06-12 21:25:10 +02:00
|
|
|
memcpy(ret->output_pads, filter->outputs, sizeof(AVFilterPad) * ret->nb_outputs);
|
2014-07-19 19:42:46 +02:00
|
|
|
ret->outputs = av_mallocz_array(ret->nb_outputs, sizeof(AVFilterLink*));
|
2011-05-04 03:25:40 +02:00
|
|
|
if (!ret->outputs)
|
|
|
|
goto err;
|
2009-01-12 21:30:57 +01:00
|
|
|
}
|
2008-02-15 22:36:57 +01:00
|
|
|
|
2013-03-31 08:28:11 +02:00
|
|
|
return ret;
|
2011-05-04 03:25:40 +02:00
|
|
|
|
|
|
|
err:
|
|
|
|
av_freep(&ret->inputs);
|
|
|
|
av_freep(&ret->input_pads);
|
2012-06-12 21:25:10 +02:00
|
|
|
ret->nb_inputs = 0;
|
2011-05-04 03:25:40 +02:00
|
|
|
av_freep(&ret->outputs);
|
|
|
|
av_freep(&ret->output_pads);
|
2012-06-12 21:25:10 +02:00
|
|
|
ret->nb_outputs = 0;
|
2011-05-04 03:25:40 +02:00
|
|
|
av_freep(&ret->priv);
|
2013-05-11 20:41:46 +02:00
|
|
|
av_freep(&ret->internal);
|
2011-05-04 03:25:40 +02:00
|
|
|
av_free(ret);
|
2013-03-31 08:28:11 +02:00
|
|
|
return NULL;
|
2008-02-15 22:33:56 +01:00
|
|
|
}
|
|
|
|
|
2013-03-31 08:28:11 +02:00
|
|
|
#if FF_API_AVFILTER_OPEN
|
|
|
|
int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name)
|
|
|
|
{
|
|
|
|
*filter_ctx = ff_filter_alloc(filter, inst_name);
|
|
|
|
return *filter_ctx ? 0 : AVERROR(ENOMEM);
|
2008-02-15 22:33:56 +01:00
|
|
|
}
|
2013-03-31 08:28:11 +02:00
|
|
|
#endif
|
2008-02-15 22:33:56 +01:00
|
|
|
|
2013-03-31 17:18:43 +02:00
|
|
|
static void free_link(AVFilterLink *link)
|
|
|
|
{
|
|
|
|
if (!link)
|
|
|
|
return;
|
|
|
|
|
|
|
|
if (link->src)
|
|
|
|
link->src->outputs[link->srcpad - link->src->output_pads] = NULL;
|
|
|
|
if (link->dst)
|
|
|
|
link->dst->inputs[link->dstpad - link->dst->input_pads] = NULL;
|
|
|
|
|
|
|
|
ff_formats_unref(&link->in_formats);
|
|
|
|
ff_formats_unref(&link->out_formats);
|
|
|
|
ff_formats_unref(&link->in_samplerates);
|
|
|
|
ff_formats_unref(&link->out_samplerates);
|
|
|
|
ff_channel_layouts_unref(&link->in_channel_layouts);
|
|
|
|
ff_channel_layouts_unref(&link->out_channel_layouts);
|
2013-05-18 13:10:57 +02:00
|
|
|
avfilter_link_free(&link);
|
2013-03-31 17:18:43 +02:00
|
|
|
}
|
|
|
|
|
2010-11-08 13:32:39 +01:00
|
|
|
void avfilter_free(AVFilterContext *filter)
|
2008-02-15 22:33:56 +01:00
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
2012-03-31 08:48:23 +02:00
|
|
|
if (!filter)
|
|
|
|
return;
|
|
|
|
|
2013-03-31 13:02:55 +02:00
|
|
|
if (filter->graph)
|
|
|
|
ff_filter_graph_remove_filter(filter->graph, filter);
|
|
|
|
|
2010-08-19 16:32:31 +02:00
|
|
|
if (filter->filter->uninit)
|
2008-02-15 22:33:56 +01:00
|
|
|
filter->filter->uninit(filter);
|
|
|
|
|
2012-06-12 21:25:10 +02:00
|
|
|
for (i = 0; i < filter->nb_inputs; i++) {
|
2013-03-31 17:18:43 +02:00
|
|
|
free_link(filter->inputs[i]);
|
2008-02-15 22:33:56 +01:00
|
|
|
}
|
2012-06-12 21:25:10 +02:00
|
|
|
for (i = 0; i < filter->nb_outputs; i++) {
|
2013-03-31 17:18:43 +02:00
|
|
|
free_link(filter->outputs[i]);
|
2008-02-15 22:33:56 +01:00
|
|
|
}
|
|
|
|
|
2013-04-13 00:45:30 +02:00
|
|
|
if (filter->filter->priv_class)
|
2013-02-25 21:21:29 +01:00
|
|
|
av_opt_free(filter->priv);
|
|
|
|
|
2008-02-15 22:38:29 +01:00
|
|
|
av_freep(&filter->name);
|
|
|
|
av_freep(&filter->input_pads);
|
|
|
|
av_freep(&filter->output_pads);
|
|
|
|
av_freep(&filter->inputs);
|
|
|
|
av_freep(&filter->outputs);
|
|
|
|
av_freep(&filter->priv);
|
2011-08-29 00:06:16 +02:00
|
|
|
while(filter->command_queue){
|
2012-05-16 02:27:31 +02:00
|
|
|
ff_command_queue_pop(filter);
|
2011-08-29 00:06:16 +02:00
|
|
|
}
|
2013-04-08 20:35:02 +02:00
|
|
|
av_opt_free(filter);
|
|
|
|
av_expr_free(filter->enable);
|
|
|
|
filter->enable = NULL;
|
|
|
|
av_freep(&filter->var_values);
|
2013-05-11 20:41:46 +02:00
|
|
|
av_freep(&filter->internal);
|
2008-02-15 22:33:56 +01:00
|
|
|
av_free(filter);
|
|
|
|
}
|
|
|
|
|
2013-04-11 10:38:05 +02:00
|
|
|
static int process_options(AVFilterContext *ctx, AVDictionary **options,
|
|
|
|
const char *args)
|
2013-02-25 21:21:29 +01:00
|
|
|
{
|
|
|
|
const AVOption *o = NULL;
|
2013-04-11 10:38:05 +02:00
|
|
|
int ret, count = 0;
|
|
|
|
char *av_uninit(parsed_key), *av_uninit(value);
|
|
|
|
const char *key;
|
2013-04-10 15:47:18 +02:00
|
|
|
int offset= -1;
|
2013-02-25 21:21:29 +01:00
|
|
|
|
2013-04-11 10:38:05 +02:00
|
|
|
if (!args)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
while (*args) {
|
|
|
|
const char *shorthand = NULL;
|
|
|
|
|
2013-02-25 21:21:29 +01:00
|
|
|
o = av_opt_next(ctx->priv, o);
|
2013-04-11 10:38:05 +02:00
|
|
|
if (o) {
|
|
|
|
if (o->type == AV_OPT_TYPE_CONST || o->offset == offset)
|
|
|
|
continue;
|
|
|
|
offset = o->offset;
|
|
|
|
shorthand = o->name;
|
2013-02-25 21:21:29 +01:00
|
|
|
}
|
|
|
|
|
2013-04-11 10:38:05 +02:00
|
|
|
ret = av_opt_get_key_value(&args, "=", ":",
|
|
|
|
shorthand ? AV_OPT_FLAG_IMPLICIT_KEY : 0,
|
|
|
|
&parsed_key, &value);
|
|
|
|
if (ret < 0) {
|
|
|
|
if (ret == AVERROR(EINVAL))
|
|
|
|
av_log(ctx, AV_LOG_ERROR, "No option name near '%s'\n", args);
|
|
|
|
else
|
|
|
|
av_log(ctx, AV_LOG_ERROR, "Unable to parse '%s': %s\n", args,
|
|
|
|
av_err2str(ret));
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
if (*args)
|
|
|
|
args++;
|
|
|
|
if (parsed_key) {
|
|
|
|
key = parsed_key;
|
|
|
|
while ((o = av_opt_next(ctx->priv, o))); /* discard all remaining shorthand */
|
|
|
|
} else {
|
|
|
|
key = shorthand;
|
|
|
|
}
|
2013-02-25 21:21:29 +01:00
|
|
|
|
2013-04-11 10:38:05 +02:00
|
|
|
av_log(ctx, AV_LOG_DEBUG, "Setting '%s' to value '%s'\n", key, value);
|
2013-04-08 20:35:02 +02:00
|
|
|
|
|
|
|
if (av_opt_find(ctx, key, NULL, 0, 0)) {
|
|
|
|
ret = av_opt_set(ctx, key, value, 0);
|
2013-06-03 15:26:50 +02:00
|
|
|
if (ret < 0) {
|
|
|
|
av_free(value);
|
|
|
|
av_free(parsed_key);
|
2013-04-08 20:35:02 +02:00
|
|
|
return ret;
|
2013-06-03 15:26:50 +02:00
|
|
|
}
|
2013-04-08 20:35:02 +02:00
|
|
|
} else {
|
2013-04-11 10:38:05 +02:00
|
|
|
av_dict_set(options, key, value, 0);
|
|
|
|
if ((ret = av_opt_set(ctx->priv, key, value, 0)) < 0) {
|
2013-04-11 20:22:54 +02:00
|
|
|
if (!av_opt_find(ctx->priv, key, NULL, 0, AV_OPT_SEARCH_CHILDREN | AV_OPT_SEARCH_FAKE_OBJ)) {
|
2013-04-11 10:38:05 +02:00
|
|
|
if (ret == AVERROR_OPTION_NOT_FOUND)
|
|
|
|
av_log(ctx, AV_LOG_ERROR, "Option '%s' not found\n", key);
|
|
|
|
av_free(value);
|
|
|
|
av_free(parsed_key);
|
|
|
|
return ret;
|
2013-04-11 20:22:54 +02:00
|
|
|
}
|
2013-04-11 10:38:05 +02:00
|
|
|
}
|
2013-04-08 20:35:02 +02:00
|
|
|
}
|
2013-02-25 21:21:29 +01:00
|
|
|
|
2013-04-11 10:38:05 +02:00
|
|
|
av_free(value);
|
|
|
|
av_free(parsed_key);
|
|
|
|
count++;
|
2013-02-25 21:21:29 +01:00
|
|
|
}
|
2013-04-08 20:35:02 +02:00
|
|
|
|
|
|
|
if (ctx->enable_str) {
|
2013-04-20 14:11:21 +02:00
|
|
|
ret = set_enable_expr(ctx, ctx->enable_str);
|
2013-04-08 20:35:02 +02:00
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
}
|
2013-04-11 10:38:05 +02:00
|
|
|
return count;
|
2013-02-25 21:21:29 +01:00
|
|
|
}
|
|
|
|
|
2013-03-17 19:44:24 +01:00
|
|
|
#if FF_API_AVFILTER_INIT_FILTER
|
2008-02-15 22:36:50 +01:00
|
|
|
int avfilter_init_filter(AVFilterContext *filter, const char *args, void *opaque)
|
2013-03-17 19:44:24 +01:00
|
|
|
{
|
|
|
|
return avfilter_init_str(filter, args);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2013-03-17 20:16:12 +01:00
|
|
|
int avfilter_init_dict(AVFilterContext *ctx, AVDictionary **options)
|
|
|
|
{
|
|
|
|
int ret = 0;
|
|
|
|
|
2013-05-11 20:41:46 +02:00
|
|
|
ret = av_opt_set_dict(ctx, options);
|
|
|
|
if (ret < 0) {
|
|
|
|
av_log(ctx, AV_LOG_ERROR, "Error applying generic filter options.\n");
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ctx->filter->flags & AVFILTER_FLAG_SLICE_THREADS &&
|
|
|
|
ctx->thread_type & ctx->graph->thread_type & AVFILTER_THREAD_SLICE &&
|
|
|
|
ctx->graph->internal->thread_execute) {
|
|
|
|
ctx->thread_type = AVFILTER_THREAD_SLICE;
|
|
|
|
ctx->internal->execute = ctx->graph->internal->thread_execute;
|
|
|
|
} else {
|
|
|
|
ctx->thread_type = 0;
|
|
|
|
}
|
|
|
|
|
2013-03-17 20:16:12 +01:00
|
|
|
if (ctx->filter->priv_class) {
|
|
|
|
ret = av_opt_set_dict(ctx->priv, options);
|
|
|
|
if (ret < 0) {
|
|
|
|
av_log(ctx, AV_LOG_ERROR, "Error applying options to the filter.\n");
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2013-04-12 14:25:27 +02:00
|
|
|
if (ctx->filter->init_opaque)
|
|
|
|
ret = ctx->filter->init_opaque(ctx, NULL);
|
|
|
|
else if (ctx->filter->init)
|
2013-03-17 20:16:12 +01:00
|
|
|
ret = ctx->filter->init(ctx);
|
|
|
|
else if (ctx->filter->init_dict)
|
|
|
|
ret = ctx->filter->init_dict(ctx, options);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2013-03-17 19:44:24 +01:00
|
|
|
int avfilter_init_str(AVFilterContext *filter, const char *args)
|
2008-02-15 22:33:56 +01:00
|
|
|
{
|
2013-02-25 21:21:29 +01:00
|
|
|
AVDictionary *options = NULL;
|
|
|
|
AVDictionaryEntry *e;
|
2013-04-01 15:20:22 +02:00
|
|
|
int ret = 0;
|
2008-02-15 22:33:56 +01:00
|
|
|
|
2013-04-12 10:55:46 +02:00
|
|
|
if (args && *args) {
|
2013-04-03 09:44:25 +02:00
|
|
|
if (!filter->filter->priv_class) {
|
|
|
|
av_log(filter, AV_LOG_ERROR, "This filter does not take any "
|
|
|
|
"options, but options were provided: %s.\n", args);
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
}
|
|
|
|
|
2015-08-18 02:04:57 +02:00
|
|
|
#if FF_API_OLD_FILTER_OPTS || FF_API_OLD_FILTER_OPTS_ERROR
|
2013-04-12 12:19:48 +02:00
|
|
|
if ( !strcmp(filter->filter->name, "format") ||
|
2013-02-25 21:21:29 +01:00
|
|
|
!strcmp(filter->filter->name, "noformat") ||
|
|
|
|
!strcmp(filter->filter->name, "frei0r") ||
|
2013-02-25 21:21:29 +01:00
|
|
|
!strcmp(filter->filter->name, "frei0r_src") ||
|
2013-04-11 15:52:40 +02:00
|
|
|
!strcmp(filter->filter->name, "ocv") ||
|
2013-04-12 10:32:41 +02:00
|
|
|
!strcmp(filter->filter->name, "pan") ||
|
2013-04-11 16:49:33 +02:00
|
|
|
!strcmp(filter->filter->name, "pp") ||
|
|
|
|
!strcmp(filter->filter->name, "aevalsrc")) {
|
2013-02-25 21:21:29 +01:00
|
|
|
/* a hack for compatibility with the old syntax
|
|
|
|
* replace colons with |s */
|
|
|
|
char *copy = av_strdup(args);
|
|
|
|
char *p = copy;
|
2013-02-25 21:21:29 +01:00
|
|
|
int nb_leading = 0; // number of leading colons to skip
|
2013-04-11 17:59:54 +02:00
|
|
|
int deprecated = 0;
|
2013-02-25 21:21:29 +01:00
|
|
|
|
|
|
|
if (!copy) {
|
|
|
|
ret = AVERROR(ENOMEM);
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
2013-02-25 21:21:29 +01:00
|
|
|
if (!strcmp(filter->filter->name, "frei0r") ||
|
|
|
|
!strcmp(filter->filter->name, "ocv"))
|
2013-02-25 21:21:29 +01:00
|
|
|
nb_leading = 1;
|
|
|
|
else if (!strcmp(filter->filter->name, "frei0r_src"))
|
|
|
|
nb_leading = 3;
|
|
|
|
|
|
|
|
while (nb_leading--) {
|
|
|
|
p = strchr(p, ':');
|
|
|
|
if (!p) {
|
|
|
|
p = copy + strlen(copy);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
p++;
|
|
|
|
}
|
|
|
|
|
2013-04-11 17:59:54 +02:00
|
|
|
deprecated = strchr(p, ':') != NULL;
|
2013-02-25 21:21:29 +01:00
|
|
|
|
2013-04-11 16:49:33 +02:00
|
|
|
if (!strcmp(filter->filter->name, "aevalsrc")) {
|
2013-04-11 17:59:54 +02:00
|
|
|
deprecated = 0;
|
2013-04-11 16:49:33 +02:00
|
|
|
while ((p = strchr(p, ':')) && p[1] != ':') {
|
|
|
|
const char *epos = strchr(p + 1, '=');
|
|
|
|
const char *spos = strchr(p + 1, ':');
|
|
|
|
const int next_token_is_opt = epos && (!spos || epos < spos);
|
|
|
|
if (next_token_is_opt) {
|
|
|
|
p++;
|
|
|
|
break;
|
|
|
|
}
|
2013-04-11 17:59:54 +02:00
|
|
|
/* next token does not contain a '=', assume a channel expression */
|
|
|
|
deprecated = 1;
|
2013-04-11 16:49:33 +02:00
|
|
|
*p++ = '|';
|
|
|
|
}
|
2013-04-11 17:59:54 +02:00
|
|
|
if (p && *p == ':') { // double sep '::' found
|
|
|
|
deprecated = 1;
|
2013-04-11 16:49:33 +02:00
|
|
|
memmove(p, p + 1, strlen(p));
|
2013-04-11 17:59:54 +02:00
|
|
|
}
|
2013-04-11 16:49:33 +02:00
|
|
|
} else
|
2013-02-25 21:21:29 +01:00
|
|
|
while ((p = strchr(p, ':')))
|
|
|
|
*p++ = '|';
|
|
|
|
|
2015-08-18 02:04:57 +02:00
|
|
|
#if FF_API_OLD_FILTER_OPTS
|
2013-04-11 17:59:54 +02:00
|
|
|
if (deprecated)
|
|
|
|
av_log(filter, AV_LOG_WARNING, "This syntax is deprecated. Use "
|
|
|
|
"'|' to separate the list items.\n");
|
|
|
|
|
2013-04-11 16:49:33 +02:00
|
|
|
av_log(filter, AV_LOG_DEBUG, "compat: called with args=[%s]\n", copy);
|
2013-04-11 10:38:05 +02:00
|
|
|
ret = process_options(filter, &options, copy);
|
2015-08-18 02:04:57 +02:00
|
|
|
#else
|
|
|
|
if (deprecated) {
|
|
|
|
av_log(filter, AV_LOG_ERROR, "This syntax is deprecated. Use "
|
|
|
|
"'|' to separate the list items ('%s' instead of '%s')\n",
|
|
|
|
copy, args);
|
|
|
|
ret = AVERROR(EINVAL);
|
|
|
|
} else {
|
|
|
|
ret = process_options(filter, &options, copy);
|
|
|
|
}
|
|
|
|
#endif
|
2013-02-25 21:21:29 +01:00
|
|
|
av_freep(©);
|
|
|
|
|
|
|
|
if (ret < 0)
|
|
|
|
goto fail;
|
2015-08-17 04:26:16 +02:00
|
|
|
} else
|
2013-02-25 21:21:29 +01:00
|
|
|
#endif
|
2015-08-17 04:26:16 +02:00
|
|
|
{
|
2013-04-11 10:38:05 +02:00
|
|
|
ret = process_options(filter, &options, args);
|
2013-02-25 21:21:29 +01:00
|
|
|
if (ret < 0)
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2013-03-17 20:16:12 +01:00
|
|
|
ret = avfilter_init_dict(filter, &options);
|
2013-02-25 21:21:29 +01:00
|
|
|
if (ret < 0)
|
|
|
|
goto fail;
|
2013-02-25 21:21:29 +01:00
|
|
|
|
|
|
|
if ((e = av_dict_get(options, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
|
|
|
|
av_log(filter, AV_LOG_ERROR, "No such option: %s.\n", e->key);
|
|
|
|
ret = AVERROR_OPTION_NOT_FOUND;
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
|
|
|
fail:
|
|
|
|
av_dict_free(&options);
|
|
|
|
|
2008-02-15 22:40:46 +01:00
|
|
|
return ret;
|
2008-02-15 22:33:56 +01:00
|
|
|
}
|
2011-08-04 14:47:00 +02:00
|
|
|
|
2013-03-28 09:31:42 +01:00
|
|
|
const char *avfilter_pad_get_name(const AVFilterPad *pads, int pad_idx)
|
2012-06-12 19:57:57 +02:00
|
|
|
{
|
|
|
|
return pads[pad_idx].name;
|
|
|
|
}
|
|
|
|
|
2013-03-28 09:31:42 +01:00
|
|
|
enum AVMediaType avfilter_pad_get_type(const AVFilterPad *pads, int pad_idx)
|
2012-06-12 19:57:57 +02:00
|
|
|
{
|
|
|
|
return pads[pad_idx].type;
|
2008-02-15 22:33:56 +01:00
|
|
|
}
|
2012-11-28 16:39:04 +01:00
|
|
|
|
2012-11-28 08:41:07 +01:00
|
|
|
static int default_filter_frame(AVFilterLink *link, AVFrame *frame)
|
2012-12-30 19:28:51 +01:00
|
|
|
{
|
|
|
|
return ff_filter_frame(link->dst->outputs[0], frame);
|
|
|
|
}
|
|
|
|
|
2013-03-10 01:30:30 +01:00
|
|
|
static int ff_filter_frame_framed(AVFilterLink *link, AVFrame *frame)
|
2012-12-30 19:28:51 +01:00
|
|
|
{
|
2012-11-28 08:41:07 +01:00
|
|
|
int (*filter_frame)(AVFilterLink *, AVFrame *);
|
2013-04-08 20:35:02 +02:00
|
|
|
AVFilterContext *dstctx = link->dst;
|
2012-12-30 19:28:51 +01:00
|
|
|
AVFilterPad *dst = link->dstpad;
|
2014-01-24 04:14:52 +01:00
|
|
|
AVFrame *out = NULL;
|
2013-03-10 01:30:30 +01:00
|
|
|
int ret;
|
2012-12-30 19:28:51 +01:00
|
|
|
AVFilterCommand *cmd= link->dst->command_queue;
|
|
|
|
int64_t pts;
|
|
|
|
|
|
|
|
if (link->closed) {
|
2013-03-10 01:30:30 +01:00
|
|
|
av_frame_free(&frame);
|
2012-12-30 19:28:51 +01:00
|
|
|
return AVERROR_EOF;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!(filter_frame = dst->filter_frame))
|
|
|
|
filter_frame = default_filter_frame;
|
|
|
|
|
2012-11-28 08:41:07 +01:00
|
|
|
/* copy the frame if needed */
|
|
|
|
if (dst->needs_writable && !av_frame_is_writable(frame)) {
|
|
|
|
av_log(link->dst, AV_LOG_DEBUG, "Copying data in avfilter.\n");
|
2012-12-30 19:28:51 +01:00
|
|
|
|
|
|
|
switch (link->type) {
|
|
|
|
case AVMEDIA_TYPE_VIDEO:
|
2012-11-28 08:41:07 +01:00
|
|
|
out = ff_get_video_buffer(link, link->w, link->h);
|
2012-12-30 19:28:51 +01:00
|
|
|
break;
|
|
|
|
case AVMEDIA_TYPE_AUDIO:
|
2012-11-28 08:41:07 +01:00
|
|
|
out = ff_get_audio_buffer(link, frame->nb_samples);
|
2012-12-30 19:28:51 +01:00
|
|
|
break;
|
2013-12-18 11:45:01 +01:00
|
|
|
default:
|
|
|
|
ret = AVERROR(EINVAL);
|
|
|
|
goto fail;
|
2012-12-30 19:28:51 +01:00
|
|
|
}
|
|
|
|
if (!out) {
|
2013-12-18 11:45:01 +01:00
|
|
|
ret = AVERROR(ENOMEM);
|
|
|
|
goto fail;
|
2012-12-30 19:28:51 +01:00
|
|
|
}
|
2013-12-18 11:45:01 +01:00
|
|
|
|
|
|
|
ret = av_frame_copy_props(out, frame);
|
|
|
|
if (ret < 0)
|
|
|
|
goto fail;
|
2012-12-30 19:28:51 +01:00
|
|
|
|
|
|
|
switch (link->type) {
|
|
|
|
case AVMEDIA_TYPE_VIDEO:
|
2013-02-23 12:08:05 +01:00
|
|
|
av_image_copy(out->data, out->linesize, (const uint8_t **)frame->data, frame->linesize,
|
2012-11-28 08:41:07 +01:00
|
|
|
frame->format, frame->width, frame->height);
|
2012-12-30 19:28:51 +01:00
|
|
|
break;
|
|
|
|
case AVMEDIA_TYPE_AUDIO:
|
|
|
|
av_samples_copy(out->extended_data, frame->extended_data,
|
2012-11-28 08:41:07 +01:00
|
|
|
0, 0, frame->nb_samples,
|
|
|
|
av_get_channel_layout_nb_channels(frame->channel_layout),
|
2012-12-30 19:28:51 +01:00
|
|
|
frame->format);
|
|
|
|
break;
|
2013-12-18 11:45:01 +01:00
|
|
|
default:
|
|
|
|
ret = AVERROR(EINVAL);
|
|
|
|
goto fail;
|
2012-12-30 19:28:51 +01:00
|
|
|
}
|
|
|
|
|
2012-11-28 08:41:07 +01:00
|
|
|
av_frame_free(&frame);
|
2012-12-30 19:28:51 +01:00
|
|
|
} else
|
|
|
|
out = frame;
|
|
|
|
|
2013-01-08 12:46:13 +01:00
|
|
|
while(cmd && cmd->time <= out->pts * av_q2d(link->time_base)){
|
2012-12-30 19:28:51 +01:00
|
|
|
av_log(link->dst, AV_LOG_DEBUG,
|
|
|
|
"Processing command time:%f command:%s arg:%s\n",
|
|
|
|
cmd->time, cmd->command, cmd->arg);
|
|
|
|
avfilter_process_command(link->dst, cmd->command, cmd->arg, 0, 0, cmd->flags);
|
|
|
|
ff_command_queue_pop(link->dst);
|
|
|
|
cmd= link->dst->command_queue;
|
|
|
|
}
|
|
|
|
|
|
|
|
pts = out->pts;
|
2013-04-08 20:35:02 +02:00
|
|
|
if (dstctx->enable_str) {
|
|
|
|
int64_t pos = av_frame_get_pkt_pos(out);
|
|
|
|
dstctx->var_values[VAR_N] = link->frame_count;
|
|
|
|
dstctx->var_values[VAR_T] = pts == AV_NOPTS_VALUE ? NAN : pts * av_q2d(link->time_base);
|
2014-10-06 13:04:26 +02:00
|
|
|
dstctx->var_values[VAR_W] = link->w;
|
|
|
|
dstctx->var_values[VAR_H] = link->h;
|
2013-04-08 20:35:02 +02:00
|
|
|
dstctx->var_values[VAR_POS] = pos == -1 ? NAN : pos;
|
2013-05-08 21:58:40 +02:00
|
|
|
|
2013-05-09 16:41:56 +02:00
|
|
|
dstctx->is_disabled = fabs(av_expr_eval(dstctx->enable, dstctx->var_values, NULL)) < 0.5;
|
2013-05-09 01:04:41 +02:00
|
|
|
if (dstctx->is_disabled &&
|
|
|
|
(dstctx->filter->flags & AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC))
|
|
|
|
filter_frame = default_filter_frame;
|
2013-04-08 20:35:02 +02:00
|
|
|
}
|
2012-12-30 19:28:51 +01:00
|
|
|
ret = filter_frame(link, out);
|
2013-04-15 17:42:04 +02:00
|
|
|
link->frame_count++;
|
2012-12-30 19:28:51 +01:00
|
|
|
ff_update_link_current_pts(link, pts);
|
|
|
|
return ret;
|
2013-12-18 11:45:01 +01:00
|
|
|
|
|
|
|
fail:
|
|
|
|
av_frame_free(&out);
|
|
|
|
av_frame_free(&frame);
|
|
|
|
return ret;
|
2012-12-30 19:28:51 +01:00
|
|
|
}
|
|
|
|
|
2013-03-10 01:30:30 +01:00
|
|
|
static int ff_filter_frame_needs_framing(AVFilterLink *link, AVFrame *frame)
|
2012-12-30 19:28:51 +01:00
|
|
|
{
|
2013-03-10 01:30:30 +01:00
|
|
|
int insamples = frame->nb_samples, inpos = 0, nb_samples;
|
|
|
|
AVFrame *pbuf = link->partial_buf;
|
2013-03-10 11:20:07 +01:00
|
|
|
int nb_channels = av_frame_get_channels(frame);
|
2012-12-30 19:28:51 +01:00
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
/* Handle framing (min_samples, max_samples) */
|
|
|
|
while (insamples) {
|
|
|
|
if (!pbuf) {
|
|
|
|
AVRational samples_tb = { 1, link->sample_rate };
|
2013-03-10 01:30:30 +01:00
|
|
|
pbuf = ff_get_audio_buffer(link, link->partial_buf_size);
|
2012-12-30 19:28:51 +01:00
|
|
|
if (!pbuf) {
|
|
|
|
av_log(link->dst, AV_LOG_WARNING,
|
|
|
|
"Samples dropped due to memory allocation failure.\n");
|
|
|
|
return 0;
|
|
|
|
}
|
2013-03-10 01:30:30 +01:00
|
|
|
av_frame_copy_props(pbuf, frame);
|
2013-10-09 16:24:00 +02:00
|
|
|
pbuf->pts = frame->pts;
|
|
|
|
if (pbuf->pts != AV_NOPTS_VALUE)
|
|
|
|
pbuf->pts += av_rescale_q(inpos, samples_tb, link->time_base);
|
2013-03-10 01:30:30 +01:00
|
|
|
pbuf->nb_samples = 0;
|
2012-12-30 19:28:51 +01:00
|
|
|
}
|
|
|
|
nb_samples = FFMIN(insamples,
|
2013-03-10 01:30:30 +01:00
|
|
|
link->partial_buf_size - pbuf->nb_samples);
|
2012-12-30 19:28:51 +01:00
|
|
|
av_samples_copy(pbuf->extended_data, frame->extended_data,
|
2013-03-10 01:30:30 +01:00
|
|
|
pbuf->nb_samples, inpos,
|
2012-12-30 19:28:51 +01:00
|
|
|
nb_samples, nb_channels, link->format);
|
|
|
|
inpos += nb_samples;
|
|
|
|
insamples -= nb_samples;
|
2013-03-10 01:30:30 +01:00
|
|
|
pbuf->nb_samples += nb_samples;
|
|
|
|
if (pbuf->nb_samples >= link->min_samples) {
|
2012-12-30 19:28:51 +01:00
|
|
|
ret = ff_filter_frame_framed(link, pbuf);
|
|
|
|
pbuf = NULL;
|
|
|
|
}
|
|
|
|
}
|
2013-03-10 01:30:30 +01:00
|
|
|
av_frame_free(&frame);
|
2012-12-30 19:28:51 +01:00
|
|
|
link->partial_buf = pbuf;
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2013-03-10 01:30:30 +01:00
|
|
|
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
|
2012-11-28 16:39:04 +01:00
|
|
|
{
|
|
|
|
FF_TPRINTF_START(NULL, filter_frame); ff_tlog_link(NULL, link, 1); ff_tlog(NULL, " "); ff_tlog_ref(NULL, frame, 1);
|
|
|
|
|
2012-12-30 19:28:51 +01:00
|
|
|
/* Consistency checks */
|
|
|
|
if (link->type == AVMEDIA_TYPE_VIDEO) {
|
2015-09-05 11:43:27 +02:00
|
|
|
if (strcmp(link->dst->filter->name, "buffersink") &&
|
|
|
|
strcmp(link->dst->filter->name, "format") &&
|
|
|
|
strcmp(link->dst->filter->name, "idet") &&
|
|
|
|
strcmp(link->dst->filter->name, "null") &&
|
|
|
|
strcmp(link->dst->filter->name, "scale")) {
|
2012-12-30 19:28:51 +01:00
|
|
|
av_assert1(frame->format == link->format);
|
2013-03-10 01:30:30 +01:00
|
|
|
av_assert1(frame->width == link->w);
|
|
|
|
av_assert1(frame->height == link->h);
|
2012-12-30 19:28:51 +01:00
|
|
|
}
|
|
|
|
} else {
|
2015-10-16 00:24:26 +02:00
|
|
|
if (frame->format != link->format) {
|
|
|
|
av_log(link->dst, AV_LOG_ERROR, "Format change is not supported\n");
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
if (av_frame_get_channels(frame) != link->channels) {
|
|
|
|
av_log(link->dst, AV_LOG_ERROR, "Channel count change is not supported\n");
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
if (frame->channel_layout != link->channel_layout) {
|
|
|
|
av_log(link->dst, AV_LOG_ERROR, "Channel layout change is not supported\n");
|
|
|
|
goto error;
|
|
|
|
}
|
|
|
|
if (frame->sample_rate != link->sample_rate) {
|
|
|
|
av_log(link->dst, AV_LOG_ERROR, "Sample rate change is not supported\n");
|
|
|
|
goto error;
|
|
|
|
}
|
2012-12-30 19:28:51 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
/* Go directly to actual filtering if possible */
|
|
|
|
if (link->type == AVMEDIA_TYPE_AUDIO &&
|
|
|
|
link->min_samples &&
|
|
|
|
(link->partial_buf ||
|
2013-03-10 01:30:30 +01:00
|
|
|
frame->nb_samples < link->min_samples ||
|
|
|
|
frame->nb_samples > link->max_samples)) {
|
2012-12-30 19:28:51 +01:00
|
|
|
return ff_filter_frame_needs_framing(link, frame);
|
|
|
|
} else {
|
|
|
|
return ff_filter_frame_framed(link, frame);
|
2012-11-28 16:39:04 +01:00
|
|
|
}
|
2015-10-16 00:24:26 +02:00
|
|
|
error:
|
|
|
|
av_frame_free(&frame);
|
|
|
|
return AVERROR_PATCHWELCOME;
|
2012-11-28 16:39:04 +01:00
|
|
|
}
|
2013-03-13 09:09:36 +01:00
|
|
|
|
|
|
|
const AVClass *avfilter_get_class(void)
|
|
|
|
{
|
|
|
|
return &avfilter_class;
|
|
|
|
}
|