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Add AVFMT_FLAG_NOFILLIN and AVFMT_FLAG_NOPARSE.

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Originally committed as revision 22745 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2010-03-31 12:55:16 +00:00
parent cc947f04cc
commit fe8344a276
3 changed files with 9 additions and 2 deletions
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2
libavformat/avformat.h
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@ -648,6 +648,8 @@ typedef struct AVFormatContext {
#define AVFMT_FLAG_IGNIDX 0x0002 ///< Ignore index.
#define AVFMT_FLAG_NONBLOCK 0x0004 ///< Do not block when reading packets from input.
#define AVFMT_FLAG_IGNDTS 0x0008 ///< Ignore DTS on frames that contain both DTS & PTS
#define AVFMT_FLAG_NOFILLIN 0x0010 ///< Do not infer any values from other values, just return what is stored in the container
#define AVFMT_FLAG_NOPARSE 0x0020 ///< Do not use AVParsers, you also must set AVFMT_FLAG_NOFILLIN as the fillin code works on frames and no parsing -> no frames. Also seeking to frames can not work if parsing to find frame boundaries has been disabled
int loop_input;
/** decoding: size of data to probe; encoding: unused. */

2
libavformat/options.c
View File

@ -46,6 +46,8 @@ static const AVOption options[]={
{"fflags", NULL, OFFSET(flags), FF_OPT_TYPE_FLAGS, DEFAULT, INT_MIN, INT_MAX, D|E, "fflags"},
{"ignidx", "ignore index", 0, FF_OPT_TYPE_CONST, AVFMT_FLAG_IGNIDX, INT_MIN, INT_MAX, D, "fflags"},
{"genpts", "generate pts", 0, FF_OPT_TYPE_CONST, AVFMT_FLAG_GENPTS, INT_MIN, INT_MAX, D, "fflags"},
{"nofillin", "do not fill in missing values that can be exactly calculated", 0, FF_OPT_TYPE_CONST, AVFMT_FLAG_NOFILLIN, INT_MIN, INT_MAX, D, "fflags"},
{"noparse", "disable AVParsers, this needs nofillin too", 0, FF_OPT_TYPE_CONST, AVFMT_FLAG_NOPARSE, INT_MIN, INT_MAX, D, "fflags"},
{"igndts", "ingore dts", 0, FF_OPT_TYPE_CONST, AVFMT_FLAG_IGNDTS, INT_MIN, INT_MAX, D, "fflags"},
#if LIBAVFORMAT_VERSION_INT < (53<<16)
{"track", " set the track number", OFFSET(track), FF_OPT_TYPE_INT, DEFAULT, 0, INT_MAX, E},

7
libavformat/utils.c
View File

@ -851,6 +851,9 @@ static void compute_pkt_fields(AVFormatContext *s, AVStream *st,
int num, den, presentation_delayed, delay, i;
int64_t offset;
if (s->flags & AVFMT_FLAG_NOFILLIN)
return;
if((s->flags & AVFMT_FLAG_IGNDTS) && pkt->pts != AV_NOPTS_VALUE)
pkt->dts= AV_NOPTS_VALUE;
@ -1108,7 +1111,7 @@ static int av_read_frame_internal(AVFormatContext *s, AVPacket *pkt)
s->cur_st = st;
st->cur_ptr = st->cur_pkt.data;
st->cur_len = st->cur_pkt.size;
if (st->need_parsing && !st->parser) {
if (st->need_parsing && !st->parser && !(s->flags & AVFMT_FLAG_NOPARSE)) {
st->parser = av_parser_init(st->codec->codec_id);
if (!st->parser) {
/* no parser available: just output the raw packets */
@ -2139,7 +2142,7 @@ int av_find_stream_info(AVFormatContext *ic)
st->codec->time_base= st->time_base;
}
//only for the split stuff
if (!st->parser) {
if (!st->parser && !(ic->flags & AVFMT_FLAG_NOPARSE)) {
st->parser = av_parser_init(st->codec->codec_id);
if(st->need_parsing == AVSTREAM_PARSE_HEADERS && st->parser){
st->parser->flags |= PARSER_FLAG_COMPLETE_FRAMES;