mirror of https://git.videolan.org/git/ffmpeg.git
110 lines
3.5 KiB
C
110 lines
3.5 KiB
C
/*
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* Various utility demuxing functions
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* Copyright (c) 2000, 2001, 2002 Fabrice Bellard
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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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#include "libavcodec/packet_internal.h"
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#include "avformat.h"
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#include "demux.h"
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#include "internal.h"
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struct AVCodecParserContext *av_stream_get_parser(const AVStream *st)
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{
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return cffstream(st)->parser;
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}
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void avpriv_stream_set_need_parsing(AVStream *st, enum AVStreamParseType type)
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{
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ffstream(st)->need_parsing = type;
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}
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AVChapter *avpriv_new_chapter(AVFormatContext *s, int64_t id, AVRational time_base,
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int64_t start, int64_t end, const char *title)
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{
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FFFormatContext *const si = ffformatcontext(s);
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AVChapter *chapter = NULL;
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int ret;
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if (end != AV_NOPTS_VALUE && start > end) {
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av_log(s, AV_LOG_ERROR, "Chapter end time %"PRId64" before start %"PRId64"\n", end, start);
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return NULL;
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}
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if (!s->nb_chapters) {
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si->chapter_ids_monotonic = 1;
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} else if (!si->chapter_ids_monotonic || s->chapters[s->nb_chapters-1]->id >= id) {
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for (unsigned i = 0; i < s->nb_chapters; i++)
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if (s->chapters[i]->id == id)
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chapter = s->chapters[i];
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if (!chapter)
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si->chapter_ids_monotonic = 0;
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}
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if (!chapter) {
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chapter = av_mallocz(sizeof(*chapter));
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if (!chapter)
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return NULL;
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ret = av_dynarray_add_nofree(&s->chapters, &s->nb_chapters, chapter);
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if (ret < 0) {
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av_free(chapter);
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return NULL;
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}
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}
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av_dict_set(&chapter->metadata, "title", title, 0);
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chapter->id = id;
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chapter->time_base = time_base;
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chapter->start = start;
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chapter->end = end;
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return chapter;
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}
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void av_format_inject_global_side_data(AVFormatContext *s)
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{
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FFFormatContext *const si = ffformatcontext(s);
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si->inject_global_side_data = 1;
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for (unsigned i = 0; i < s->nb_streams; i++) {
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AVStream *st = s->streams[i];
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ffstream(st)->inject_global_side_data = 1;
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}
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}
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int avformat_queue_attached_pictures(AVFormatContext *s)
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{
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FFFormatContext *const si = ffformatcontext(s);
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int ret;
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for (unsigned i = 0; i < s->nb_streams; i++)
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if (s->streams[i]->disposition & AV_DISPOSITION_ATTACHED_PIC &&
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s->streams[i]->discard < AVDISCARD_ALL) {
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if (s->streams[i]->attached_pic.size <= 0) {
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av_log(s, AV_LOG_WARNING,
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"Attached picture on stream %d has invalid size, "
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"ignoring\n", i);
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continue;
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}
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ret = avpriv_packet_list_put(&si->raw_packet_buffer,
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&s->streams[i]->attached_pic,
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av_packet_ref, 0);
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if (ret < 0)
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return ret;
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}
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return 0;
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}
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