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lavf: add support for error_recognition, use it in avidec, and bump minor API version

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Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Dustin Brody 2011-08-06 04:42:34 +00:00 committed by Anton Khirnov
parent 8d2e4a7e68
commit 2f63440c59
4 changed files with 16 additions and 3 deletions
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8
libavformat/avformat.h
View File

@ -854,6 +854,14 @@ typedef struct AVFormatContext {
* decoding: number of frames used to probe fps
*/
int fps_probe_size;
/**
* Error recognition; higher values will detect more errors but may
* misdetect some more or less valid parts as errors.
* - encoding: unused
* - decoding: Set by user.
*/
int error_recognition;
} AVFormatContext;
typedef struct AVPacketList {

6
libavformat/avidec.c
View File

@ -667,8 +667,9 @@ static int avi_read_header(AVFormatContext *s, AVFormatParameters *ap)
break;
case MKTAG('i', 'n', 'd', 'x'):
i= avio_tell(pb);
if(pb->seekable && !(s->flags & AVFMT_FLAG_IGNIDX)){
read_braindead_odml_indx(s, 0);
if(pb->seekable && !(s->flags & AVFMT_FLAG_IGNIDX) &&
read_braindead_odml_indx(s, 0) < 0 && s->error_recognition >= FF_ER_EXPLODE){
goto fail;
}
avio_seek(pb, i+size, SEEK_SET);
break;
@ -706,6 +707,7 @@ static int avi_read_header(AVFormatContext *s, AVFormatParameters *ap)
if(size > 1000000){
av_log(s, AV_LOG_ERROR, "Something went wrong during header parsing, "
"I will ignore it and try to continue anyway.\n");
if (s->error_recognition >= FF_ER_EXPLODE) goto fail;
avi->movi_list = avio_tell(pb) - 4;
avi->movi_end = avio_size(pb);
goto end_of_header;

3
libavformat/options.c
View File

@ -87,6 +87,9 @@ static const AVOption options[]={
{"fdebug", "print specific debug info", OFFSET(debug), FF_OPT_TYPE_FLAGS, {.dbl = DEFAULT }, 0, INT_MAX, E|D, "fdebug"},
{"ts", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_FDEBUG_TS }, INT_MIN, INT_MAX, E|D, "fdebug"},
{"max_delay", "maximum muxing or demuxing delay in microseconds", OFFSET(max_delay), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, 0, INT_MAX, E|D},
{"fer", "set error detection aggressivity", OFFSET(error_recognition), FF_OPT_TYPE_INT, {.dbl = FF_ER_CAREFUL }, INT_MIN, INT_MAX, D, "fer"},
{"careful", NULL, 0, FF_OPT_TYPE_CONST, {.dbl = FF_ER_CAREFUL }, INT_MIN, INT_MAX, D, "fer"},
{"explode", "abort decoding on error recognition", 0, FF_OPT_TYPE_CONST, {.dbl = FF_ER_EXPLODE }, INT_MIN, INT_MAX, D, "fer"},
{"fpsprobesize", "number of frames used to probe fps", OFFSET(fps_probe_size), FF_OPT_TYPE_INT, {.dbl = -1}, -1, INT_MAX-1, D},
{NULL},
};

2
libavformat/version.h
View File

@ -24,7 +24,7 @@
#include "libavutil/avutil.h"
#define LIBAVFORMAT_VERSION_MAJOR 53
#define LIBAVFORMAT_VERSION_MINOR 3
#define LIBAVFORMAT_VERSION_MINOR 4
#define LIBAVFORMAT_VERSION_MICRO 0
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \