2008-02-10 19:02:11 +01:00
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/*
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* Filter layer - format negotiation
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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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2008-02-10 19:02:11 +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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2012-11-13 14:16:48 +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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2011-08-04 11:28:14 +02:00
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#include "libavutil/eval.h"
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2010-01-04 01:08:11 +01:00
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#include "libavutil/pixdesc.h"
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2012-05-17 02:37:13 +02:00
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#include "libavutil/parseutils.h"
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2008-02-10 19:02:11 +01:00
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#include "avfilter.h"
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2011-06-30 09:51:17 +02:00
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#include "internal.h"
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2012-05-06 06:59:06 +02:00
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#include "formats.h"
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2008-02-10 19:02:11 +01:00
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2008-02-21 23:10:11 +01:00
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/**
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* Add all refs from a to ret and destroy a.
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*/
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2012-05-06 06:59:06 +02:00
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#define MERGE_REF(ret, a, fmts, type, fail) \
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do { \
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type ***tmp; \
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int i; \
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\
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if (!(tmp = av_realloc(ret->refs, \
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sizeof(*tmp) * (ret->refcount + a->refcount)))) \
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goto fail; \
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ret->refs = tmp; \
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\
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for (i = 0; i < a->refcount; i ++) { \
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ret->refs[ret->refcount] = a->refs[i]; \
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*ret->refs[ret->refcount++] = ret; \
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} \
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\
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av_freep(&a->refs); \
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av_freep(&a->fmts); \
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av_freep(&a); \
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} while (0)
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2008-02-10 19:04:55 +01:00
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2012-05-06 06:59:06 +02:00
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/**
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* Add all formats common for a and b to ret, copy the refs and destroy
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* a and b.
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*/
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#define MERGE_FORMATS(ret, a, b, fmts, nb, type, fail) \
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do { \
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int i, j, k = 0, count = FFMIN(a->nb, b->nb); \
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\
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if (!(ret = av_mallocz(sizeof(*ret)))) \
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goto fail; \
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\
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if (count) { \
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if (!(ret->fmts = av_malloc(sizeof(*ret->fmts) * count))) \
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goto fail; \
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for (i = 0; i < a->nb; i++) \
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for (j = 0; j < b->nb; j++) \
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2012-05-16 02:27:31 +02:00
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if (a->fmts[i] == b->fmts[j]) { \
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if(k >= FFMIN(a->nb, b->nb)){ \
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2012-11-23 18:10:02 +01:00
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av_log(NULL, AV_LOG_ERROR, "Duplicate formats in avfilter_merge_formats() detected\n"); \
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2012-05-16 02:27:31 +02:00
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av_free(ret->fmts); \
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av_free(ret); \
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return NULL; \
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} \
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2012-05-06 06:59:06 +02:00
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ret->fmts[k++] = a->fmts[i]; \
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2012-05-16 02:27:31 +02:00
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} \
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2012-05-06 06:59:06 +02:00
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} \
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2012-05-16 02:27:31 +02:00
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ret->nb = k; \
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2012-05-06 06:59:06 +02:00
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/* check that there was at least one common format */ \
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if (!ret->nb) \
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goto fail; \
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\
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MERGE_REF(ret, a, fmts, type, fail); \
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MERGE_REF(ret, b, fmts, type, fail); \
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} while (0)
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2008-02-10 19:04:52 +01:00
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2012-05-30 10:12:55 +02:00
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AVFilterFormats *ff_merge_formats(AVFilterFormats *a, AVFilterFormats *b)
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2008-02-10 19:02:11 +01:00
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{
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2012-05-06 06:59:06 +02:00
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AVFilterFormats *ret = NULL;
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2008-02-10 19:02:11 +01:00
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2011-06-08 18:24:25 +02:00
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if (a == b)
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return a;
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2011-06-08 18:24:25 +02:00
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2012-05-06 06:59:06 +02:00
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MERGE_FORMATS(ret, a, b, formats, format_count, AVFilterFormats, fail);
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2008-02-10 19:02:11 +01:00
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2012-05-06 06:59:06 +02:00
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return ret;
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fail:
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if (ret) {
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av_freep(&ret->refs);
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av_freep(&ret->formats);
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2008-02-10 19:02:11 +01:00
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}
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2012-05-06 06:59:06 +02:00
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av_freep(&ret);
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return NULL;
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}
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AVFilterFormats *ff_merge_samplerates(AVFilterFormats *a,
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AVFilterFormats *b)
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{
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AVFilterFormats *ret = NULL;
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2008-02-10 19:02:11 +01:00
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2012-05-06 06:59:06 +02:00
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if (a == b) return a;
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2008-02-10 19:04:52 +01:00
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2012-05-06 06:59:06 +02:00
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if (a->format_count && b->format_count) {
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MERGE_FORMATS(ret, a, b, formats, format_count, AVFilterFormats, fail);
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} else if (a->format_count) {
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MERGE_REF(a, b, formats, AVFilterFormats, fail);
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ret = a;
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} else {
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MERGE_REF(b, a, formats, AVFilterFormats, fail);
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ret = b;
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2008-02-10 19:02:11 +01:00
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}
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return ret;
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2012-05-06 06:59:06 +02:00
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fail:
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if (ret) {
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av_freep(&ret->refs);
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av_freep(&ret->formats);
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}
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av_freep(&ret);
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return NULL;
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}
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2008-02-10 19:04:52 +01:00
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2012-05-06 06:59:06 +02:00
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AVFilterChannelLayouts *ff_merge_channel_layouts(AVFilterChannelLayouts *a,
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AVFilterChannelLayouts *b)
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{
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AVFilterChannelLayouts *ret = NULL;
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if (a == b) return a;
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if (a->nb_channel_layouts && b->nb_channel_layouts) {
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MERGE_FORMATS(ret, a, b, channel_layouts, nb_channel_layouts,
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AVFilterChannelLayouts, fail);
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} else if (a->nb_channel_layouts) {
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MERGE_REF(a, b, channel_layouts, AVFilterChannelLayouts, fail);
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ret = a;
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} else {
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MERGE_REF(b, a, channel_layouts, AVFilterChannelLayouts, fail);
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ret = b;
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}
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2008-02-10 19:02:11 +01:00
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return ret;
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2012-05-06 06:59:06 +02:00
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|
fail:
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if (ret) {
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av_freep(&ret->refs);
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av_freep(&ret->channel_layouts);
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}
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av_freep(&ret);
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return NULL;
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2008-02-10 19:02:11 +01:00
|
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}
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|
2011-06-30 09:51:17 +02:00
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int ff_fmt_is_in(int fmt, const int *fmts)
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|
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{
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const int *p;
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for (p = fmts; *p != -1; p++) {
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|
if (fmt == *p)
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return 1;
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}
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|
return 0;
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}
|
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|
2011-12-20 13:08:57 +01:00
|
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|
#define COPY_INT_LIST(list_copy, list, type) { \
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|
int count = 0; \
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|
if (list) \
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for (count = 0; list[count] != -1; count++) \
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; \
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list_copy = av_calloc(count+1, sizeof(type)); \
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if (list_copy) { \
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|
memcpy(list_copy, list, sizeof(type) * count); \
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list_copy[count] = -1; \
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|
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} \
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|
}
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|
|
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int *ff_copy_int_list(const int * const list)
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|
|
|
{
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|
|
int *ret = NULL;
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|
COPY_INT_LIST(ret, list, int);
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|
return ret;
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|
|
|
}
|
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|
|
|
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|
int64_t *ff_copy_int64_list(const int64_t * const list)
|
|
|
|
{
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|
|
|
int64_t *ret = NULL;
|
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|
|
COPY_INT_LIST(ret, list, int64_t);
|
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|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2012-05-18 12:43:31 +02:00
|
|
|
#define MAKE_FORMAT_LIST(type, field, count_field) \
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type *formats; \
|
2011-06-07 20:17:23 +02:00
|
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int count = 0; \
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if (fmts) \
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|
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for (count = 0; fmts[count] != -1; count++) \
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; \
|
2012-05-18 12:43:31 +02:00
|
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formats = av_mallocz(sizeof(*formats)); \
|
2011-06-07 20:17:23 +02:00
|
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|
if (!formats) return NULL; \
|
2012-05-18 12:43:31 +02:00
|
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formats->count_field = count; \
|
2011-06-07 20:17:23 +02:00
|
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|
if (count) { \
|
2012-05-18 12:43:31 +02:00
|
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formats->field = av_malloc(sizeof(*formats->field)*count); \
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|
if (!formats->field) { \
|
2011-06-07 20:17:23 +02:00
|
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|
av_free(formats); \
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|
return NULL; \
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|
|
} \
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|
|
}
|
|
|
|
|
2012-05-30 10:12:55 +02:00
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AVFilterFormats *ff_make_format_list(const int *fmts)
|
2009-10-19 01:06:52 +02:00
|
|
|
{
|
2012-05-18 12:43:31 +02:00
|
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|
MAKE_FORMAT_LIST(AVFilterFormats, formats, format_count);
|
2011-06-07 20:17:23 +02:00
|
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while (count--)
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|
formats->formats[count] = fmts[count];
|
2009-10-19 01:06:52 +02:00
|
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|
|
2011-06-07 20:17:23 +02:00
|
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|
return formats;
|
|
|
|
}
|
2009-10-19 01:06:52 +02:00
|
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|
|
2012-05-16 02:27:31 +02:00
|
|
|
AVFilterChannelLayouts *avfilter_make_format64_list(const int64_t *fmts)
|
2011-06-07 20:17:23 +02:00
|
|
|
{
|
2012-05-18 12:43:31 +02:00
|
|
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MAKE_FORMAT_LIST(AVFilterChannelLayouts,
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|
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channel_layouts, nb_channel_layouts);
|
2011-06-07 20:17:23 +02:00
|
|
|
if (count)
|
2012-05-18 12:43:31 +02:00
|
|
|
memcpy(formats->channel_layouts, fmts,
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|
|
|
sizeof(*formats->channel_layouts) * count);
|
2009-10-19 01:06:52 +02:00
|
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|
2012-05-18 12:43:31 +02:00
|
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|
return formats;
|
2009-10-19 01:06:52 +02:00
|
|
|
}
|
|
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|
|
2012-05-06 06:59:06 +02:00
|
|
|
#define ADD_FORMAT(f, fmt, type, list, nb) \
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|
do { \
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|
|
type *fmts; \
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|
|
|
\
|
|
|
|
if (!(*f) && !(*f = av_mallocz(sizeof(**f)))) \
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|
return AVERROR(ENOMEM); \
|
|
|
|
\
|
|
|
|
fmts = av_realloc((*f)->list, \
|
|
|
|
sizeof(*(*f)->list) * ((*f)->nb + 1));\
|
|
|
|
if (!fmts) \
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|
|
|
return AVERROR(ENOMEM); \
|
|
|
|
\
|
|
|
|
(*f)->list = fmts; \
|
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|
|
(*f)->list[(*f)->nb++] = fmt; \
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|
|
return 0; \
|
|
|
|
} while (0)
|
|
|
|
|
2012-06-05 22:43:44 +02:00
|
|
|
int ff_add_format(AVFilterFormats **avff, int64_t fmt)
|
2010-01-03 23:26:59 +01:00
|
|
|
{
|
2012-05-18 12:43:31 +02:00
|
|
|
ADD_FORMAT(avff, fmt, int, formats, format_count);
|
2012-05-06 06:59:06 +02:00
|
|
|
}
|
2010-01-03 23:26:59 +01:00
|
|
|
|
2012-05-06 06:59:06 +02:00
|
|
|
int ff_add_channel_layout(AVFilterChannelLayouts **l, uint64_t channel_layout)
|
|
|
|
{
|
|
|
|
ADD_FORMAT(l, channel_layout, uint64_t, channel_layouts, nb_channel_layouts);
|
2010-01-03 23:26:59 +01:00
|
|
|
}
|
|
|
|
|
2012-05-30 10:12:55 +02:00
|
|
|
AVFilterFormats *ff_all_formats(enum AVMediaType type)
|
2008-02-10 19:02:11 +01:00
|
|
|
{
|
2010-01-06 17:19:13 +01:00
|
|
|
AVFilterFormats *ret = NULL;
|
2010-07-22 13:12:47 +02:00
|
|
|
int fmt;
|
2012-10-06 12:10:34 +02:00
|
|
|
int num_formats = type == AVMEDIA_TYPE_VIDEO ? AV_PIX_FMT_NB :
|
2010-11-12 12:04:40 +01:00
|
|
|
type == AVMEDIA_TYPE_AUDIO ? AV_SAMPLE_FMT_NB : 0;
|
2008-02-10 19:04:49 +01:00
|
|
|
|
2012-10-06 13:29:37 +02:00
|
|
|
for (fmt = 0; fmt < num_formats; fmt++) {
|
|
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(fmt);
|
2010-07-22 13:12:47 +02:00
|
|
|
if ((type != AVMEDIA_TYPE_VIDEO) ||
|
2012-10-06 13:29:37 +02:00
|
|
|
(type == AVMEDIA_TYPE_VIDEO && !(desc->flags & PIX_FMT_HWACCEL)))
|
2012-05-30 10:12:55 +02:00
|
|
|
ff_add_format(&ret, fmt);
|
2012-10-06 13:29:37 +02:00
|
|
|
}
|
2008-02-10 19:04:49 +01:00
|
|
|
|
|
|
|
return ret;
|
2008-02-10 19:02:11 +01:00
|
|
|
}
|
|
|
|
|
2011-08-18 15:26:21 +02:00
|
|
|
const int64_t avfilter_all_channel_layouts[] = {
|
2012-05-09 08:22:06 +02:00
|
|
|
#include "all_channel_layouts.inc"
|
2011-08-18 15:26:21 +02:00
|
|
|
-1
|
|
|
|
};
|
|
|
|
|
2012-05-16 02:27:31 +02:00
|
|
|
// AVFilterFormats *avfilter_make_all_channel_layouts(void)
|
|
|
|
// {
|
|
|
|
// return avfilter_make_format64_list(avfilter_all_channel_layouts);
|
|
|
|
// }
|
2011-06-19 20:31:24 +02:00
|
|
|
|
2012-05-30 13:59:30 +02:00
|
|
|
AVFilterFormats *ff_planar_sample_fmts(void)
|
|
|
|
{
|
|
|
|
AVFilterFormats *ret = NULL;
|
|
|
|
int fmt;
|
|
|
|
|
|
|
|
for (fmt = 0; fmt < AV_SAMPLE_FMT_NB; fmt++)
|
|
|
|
if (av_sample_fmt_is_planar(fmt))
|
|
|
|
ff_add_format(&ret, fmt);
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
2012-05-06 06:59:06 +02:00
|
|
|
AVFilterFormats *ff_all_samplerates(void)
|
2008-02-10 19:02:11 +01:00
|
|
|
{
|
2012-05-06 06:59:06 +02:00
|
|
|
AVFilterFormats *ret = av_mallocz(sizeof(*ret));
|
|
|
|
return ret;
|
2008-02-10 19:02:11 +01:00
|
|
|
}
|
|
|
|
|
2012-05-06 06:59:06 +02:00
|
|
|
AVFilterChannelLayouts *ff_all_channel_layouts(void)
|
2008-02-10 19:03:18 +01:00
|
|
|
{
|
2012-05-06 06:59:06 +02:00
|
|
|
AVFilterChannelLayouts *ret = av_mallocz(sizeof(*ret));
|
|
|
|
return ret;
|
2008-02-10 19:03:18 +01:00
|
|
|
}
|
|
|
|
|
2012-05-06 06:59:06 +02:00
|
|
|
#define FORMATS_REF(f, ref) \
|
|
|
|
do { \
|
|
|
|
*ref = f; \
|
|
|
|
f->refs = av_realloc(f->refs, sizeof(*f->refs) * ++f->refcount); \
|
|
|
|
f->refs[f->refcount-1] = ref; \
|
|
|
|
} while (0)
|
|
|
|
|
|
|
|
void ff_channel_layouts_ref(AVFilterChannelLayouts *f, AVFilterChannelLayouts **ref)
|
2008-02-10 19:02:11 +01:00
|
|
|
{
|
2012-05-06 06:59:06 +02:00
|
|
|
FORMATS_REF(f, ref);
|
|
|
|
}
|
2010-01-08 09:19:18 +01:00
|
|
|
|
2012-05-30 10:12:55 +02:00
|
|
|
void ff_formats_ref(AVFilterFormats *f, AVFilterFormats **ref)
|
2008-02-10 19:02:11 +01:00
|
|
|
{
|
2012-05-06 06:59:06 +02:00
|
|
|
FORMATS_REF(f, ref);
|
|
|
|
}
|
2010-01-08 09:19:18 +01:00
|
|
|
|
2012-05-06 06:59:06 +02:00
|
|
|
#define FIND_REF_INDEX(ref, idx) \
|
|
|
|
do { \
|
|
|
|
int i; \
|
|
|
|
for (i = 0; i < (*ref)->refcount; i ++) \
|
|
|
|
if((*ref)->refs[i] == ref) { \
|
|
|
|
idx = i; \
|
|
|
|
break; \
|
|
|
|
} \
|
|
|
|
} while (0)
|
|
|
|
|
|
|
|
#define FORMATS_UNREF(ref, list) \
|
|
|
|
do { \
|
|
|
|
int idx = -1; \
|
|
|
|
\
|
|
|
|
if (!*ref) \
|
|
|
|
return; \
|
|
|
|
\
|
|
|
|
FIND_REF_INDEX(ref, idx); \
|
|
|
|
\
|
|
|
|
if (idx >= 0) \
|
|
|
|
memmove((*ref)->refs + idx, (*ref)->refs + idx + 1, \
|
|
|
|
sizeof(*(*ref)->refs) * ((*ref)->refcount - idx - 1)); \
|
|
|
|
\
|
|
|
|
if(!--(*ref)->refcount) { \
|
|
|
|
av_free((*ref)->list); \
|
|
|
|
av_free((*ref)->refs); \
|
|
|
|
av_free(*ref); \
|
|
|
|
} \
|
|
|
|
*ref = NULL; \
|
|
|
|
} while (0)
|
2010-01-07 23:59:22 +01:00
|
|
|
|
2012-05-30 10:12:55 +02:00
|
|
|
void ff_formats_unref(AVFilterFormats **ref)
|
2012-05-06 06:59:06 +02:00
|
|
|
{
|
|
|
|
FORMATS_UNREF(ref, formats);
|
|
|
|
}
|
2008-02-10 19:03:18 +01:00
|
|
|
|
2012-05-06 06:59:06 +02:00
|
|
|
void ff_channel_layouts_unref(AVFilterChannelLayouts **ref)
|
|
|
|
{
|
|
|
|
FORMATS_UNREF(ref, channel_layouts);
|
|
|
|
}
|
2008-02-10 19:03:18 +01:00
|
|
|
|
2012-05-06 06:59:06 +02:00
|
|
|
#define FORMATS_CHANGEREF(oldref, newref) \
|
|
|
|
do { \
|
|
|
|
int idx = -1; \
|
|
|
|
\
|
|
|
|
FIND_REF_INDEX(oldref, idx); \
|
|
|
|
\
|
|
|
|
if (idx >= 0) { \
|
|
|
|
(*oldref)->refs[idx] = newref; \
|
|
|
|
*newref = *oldref; \
|
|
|
|
*oldref = NULL; \
|
|
|
|
} \
|
|
|
|
} while (0)
|
|
|
|
|
|
|
|
void ff_channel_layouts_changeref(AVFilterChannelLayouts **oldref,
|
|
|
|
AVFilterChannelLayouts **newref)
|
|
|
|
{
|
|
|
|
FORMATS_CHANGEREF(oldref, newref);
|
2008-02-10 19:02:11 +01:00
|
|
|
}
|
|
|
|
|
2012-05-30 10:12:55 +02:00
|
|
|
void ff_formats_changeref(AVFilterFormats **oldref, AVFilterFormats **newref)
|
2008-02-10 19:04:32 +01:00
|
|
|
{
|
2012-05-06 06:59:06 +02:00
|
|
|
FORMATS_CHANGEREF(oldref, newref);
|
2008-02-10 19:04:32 +01:00
|
|
|
}
|
2012-05-10 07:41:16 +02:00
|
|
|
|
|
|
|
#define SET_COMMON_FORMATS(ctx, fmts, in_fmts, out_fmts, ref, list) \
|
|
|
|
{ \
|
|
|
|
int count = 0, i; \
|
|
|
|
\
|
2012-06-12 21:25:10 +02:00
|
|
|
for (i = 0; i < ctx->nb_inputs; i++) { \
|
2012-06-05 17:02:43 +02:00
|
|
|
if (ctx->inputs[i] && !ctx->inputs[i]->out_fmts) { \
|
2012-05-10 07:41:16 +02:00
|
|
|
ref(fmts, &ctx->inputs[i]->out_fmts); \
|
|
|
|
count++; \
|
|
|
|
} \
|
|
|
|
} \
|
2012-06-12 21:25:10 +02:00
|
|
|
for (i = 0; i < ctx->nb_outputs; i++) { \
|
2012-06-05 17:02:43 +02:00
|
|
|
if (ctx->outputs[i] && !ctx->outputs[i]->in_fmts) { \
|
2012-05-10 07:41:16 +02:00
|
|
|
ref(fmts, &ctx->outputs[i]->in_fmts); \
|
|
|
|
count++; \
|
|
|
|
} \
|
|
|
|
} \
|
|
|
|
\
|
|
|
|
if (!count) { \
|
|
|
|
av_freep(&fmts->list); \
|
|
|
|
av_freep(&fmts->refs); \
|
|
|
|
av_freep(&fmts); \
|
|
|
|
} \
|
|
|
|
}
|
|
|
|
|
|
|
|
void ff_set_common_channel_layouts(AVFilterContext *ctx,
|
|
|
|
AVFilterChannelLayouts *layouts)
|
|
|
|
{
|
|
|
|
SET_COMMON_FORMATS(ctx, layouts, in_channel_layouts, out_channel_layouts,
|
|
|
|
ff_channel_layouts_ref, channel_layouts);
|
|
|
|
}
|
|
|
|
|
|
|
|
void ff_set_common_samplerates(AVFilterContext *ctx,
|
|
|
|
AVFilterFormats *samplerates)
|
|
|
|
{
|
|
|
|
SET_COMMON_FORMATS(ctx, samplerates, in_samplerates, out_samplerates,
|
2012-05-30 10:12:55 +02:00
|
|
|
ff_formats_ref, formats);
|
2012-05-10 07:41:16 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* A helper for query_formats() which sets all links to the same list of
|
|
|
|
* formats. If there are no links hooked to this filter, the list of formats is
|
|
|
|
* freed.
|
|
|
|
*/
|
2012-05-30 10:12:55 +02:00
|
|
|
void ff_set_common_formats(AVFilterContext *ctx, AVFilterFormats *formats)
|
2012-05-10 07:41:16 +02:00
|
|
|
{
|
|
|
|
SET_COMMON_FORMATS(ctx, formats, in_formats, out_formats,
|
2012-05-30 10:12:55 +02:00
|
|
|
ff_formats_ref, formats);
|
2012-05-10 07:41:16 +02:00
|
|
|
}
|
2008-02-10 19:04:32 +01:00
|
|
|
|
2012-05-19 10:37:56 +02:00
|
|
|
int ff_default_query_formats(AVFilterContext *ctx)
|
2012-05-10 07:41:16 +02:00
|
|
|
{
|
|
|
|
enum AVMediaType type = ctx->inputs && ctx->inputs [0] ? ctx->inputs [0]->type :
|
|
|
|
ctx->outputs && ctx->outputs[0] ? ctx->outputs[0]->type :
|
|
|
|
AVMEDIA_TYPE_VIDEO;
|
|
|
|
|
2012-05-30 10:12:55 +02:00
|
|
|
ff_set_common_formats(ctx, ff_all_formats(type));
|
2012-05-10 07:41:16 +02:00
|
|
|
if (type == AVMEDIA_TYPE_AUDIO) {
|
|
|
|
ff_set_common_channel_layouts(ctx, ff_all_channel_layouts());
|
|
|
|
ff_set_common_samplerates(ctx, ff_all_samplerates());
|
2008-02-10 19:04:32 +01:00
|
|
|
}
|
2012-05-10 07:41:16 +02:00
|
|
|
|
|
|
|
return 0;
|
2008-02-10 19:04:32 +01:00
|
|
|
}
|
|
|
|
|
2011-08-04 11:28:14 +02:00
|
|
|
/* internal functions for parsing audio format arguments */
|
|
|
|
|
2012-10-08 20:54:00 +02:00
|
|
|
int ff_parse_pixel_format(enum AVPixelFormat *ret, const char *arg, void *log_ctx)
|
2011-08-22 14:56:23 +02:00
|
|
|
{
|
|
|
|
char *tail;
|
|
|
|
int pix_fmt = av_get_pix_fmt(arg);
|
2012-10-08 20:54:00 +02:00
|
|
|
if (pix_fmt == AV_PIX_FMT_NONE) {
|
2011-08-22 14:56:23 +02:00
|
|
|
pix_fmt = strtol(arg, &tail, 0);
|
2012-10-08 20:54:00 +02:00
|
|
|
if (*tail || (unsigned)pix_fmt >= AV_PIX_FMT_NB) {
|
2011-08-22 14:56:23 +02:00
|
|
|
av_log(log_ctx, AV_LOG_ERROR, "Invalid pixel format '%s'\n", arg);
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
*ret = pix_fmt;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2011-08-04 11:28:14 +02:00
|
|
|
int ff_parse_sample_format(int *ret, const char *arg, void *log_ctx)
|
|
|
|
{
|
|
|
|
char *tail;
|
|
|
|
int sfmt = av_get_sample_fmt(arg);
|
|
|
|
if (sfmt == AV_SAMPLE_FMT_NONE) {
|
|
|
|
sfmt = strtol(arg, &tail, 0);
|
|
|
|
if (*tail || (unsigned)sfmt >= AV_SAMPLE_FMT_NB) {
|
|
|
|
av_log(log_ctx, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
*ret = sfmt;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2012-05-17 02:37:13 +02:00
|
|
|
int ff_parse_time_base(AVRational *ret, const char *arg, void *log_ctx)
|
|
|
|
{
|
|
|
|
AVRational r;
|
|
|
|
if(av_parse_ratio(&r, arg, INT_MAX, 0, log_ctx) < 0 ||r.num<=0 ||r.den<=0) {
|
|
|
|
av_log(log_ctx, AV_LOG_ERROR, "Invalid time base '%s'\n", arg);
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
}
|
|
|
|
*ret = r;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2011-08-21 19:17:24 +02:00
|
|
|
int ff_parse_sample_rate(int *ret, const char *arg, void *log_ctx)
|
2011-08-04 11:28:14 +02:00
|
|
|
{
|
|
|
|
char *tail;
|
|
|
|
double srate = av_strtod(arg, &tail);
|
2011-08-21 19:17:24 +02:00
|
|
|
if (*tail || srate < 1 || (int)srate != srate || srate > INT_MAX) {
|
2011-08-04 11:28:14 +02:00
|
|
|
av_log(log_ctx, AV_LOG_ERROR, "Invalid sample rate '%s'\n", arg);
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
}
|
|
|
|
*ret = srate;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int ff_parse_channel_layout(int64_t *ret, const char *arg, void *log_ctx)
|
|
|
|
{
|
|
|
|
char *tail;
|
|
|
|
int64_t chlayout = av_get_channel_layout(arg);
|
|
|
|
if (chlayout == 0) {
|
|
|
|
chlayout = strtol(arg, &tail, 10);
|
|
|
|
if (*tail || chlayout == 0) {
|
|
|
|
av_log(log_ctx, AV_LOG_ERROR, "Invalid channel layout '%s'\n", arg);
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
*ret = chlayout;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2011-08-18 15:26:21 +02:00
|
|
|
#ifdef TEST
|
|
|
|
|
|
|
|
#undef printf
|
|
|
|
|
|
|
|
int main(void)
|
|
|
|
{
|
|
|
|
const int64_t *cl;
|
|
|
|
char buf[512];
|
|
|
|
|
2011-09-16 06:07:07 +02:00
|
|
|
for (cl = avfilter_all_channel_layouts; *cl != -1; cl++) {
|
2011-08-18 15:26:21 +02:00
|
|
|
av_get_channel_layout_string(buf, sizeof(buf), -1, *cl);
|
|
|
|
printf("%s\n", buf);
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif
|
2012-06-27 00:34:36 +02:00
|
|
|
|