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Commit 2d74dea8 authored by Harald Axmann's avatar Harald Axmann Committed by Michael Niedermayer
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lavf: Provide a monotonic timestamp to the outside world 

Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parent 388241ef
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Showing with 85 additions and 50 deletions
libavformat/avformat.h
View file @ 2d74dea8
......@@ -629,6 +629,13 @@ typedef struct AVIndexEntry {
*/
#define AV_DISPOSITION_ATTACHED_PIC 0x0400
/**
* Options for behavior on timestamp wrap detection.
*/
#define AV_PTS_WRAP_IGNORE 0 ///< ignore the wrap
#define AV_PTS_WRAP_ADD_OFFSET 1 ///< add the format specific offset on wrap detection
#define AV_PTS_WRAP_SUB_OFFSET -1 ///< subtract the format specific offset on wrap detection
/**
* Stream structure.
* New fields can be added to the end with minor version bumps.
......@@ -847,6 +854,23 @@ typedef struct AVStream {
*/
int64_t mux_ts_offset;
/**
* Internal data to check for wrapping of the time stamp
*/
int64_t pts_wrap_reference;
/**
* Options for behavior, when a wrap is detected.
*
* Defined by AV_PTS_WRAP_ values.
*
* If correction is enabled, there are two possibilities:
* If the first time stamp is near the wrap point, the wrap offset
* will be subtracted, which will create negative time stamps.
* Otherwise the offset will be added.
*/
int pts_wrap_behavior;
} AVStream;
#define AV_PROGRAM_RUNNING 1
......@@ -878,6 +902,9 @@ typedef struct AVProgram {
*/
int64_t start_time;
int64_t end_time;
int64_t pts_wrap_reference; ///< reference dts for wrap detection
int pts_wrap_behavior; ///< behavior on wrap detection
} AVProgram;
#define AVFMTCTX_NOHEADER 0x0001 /**< signal that no header is present
......@@ -1169,6 +1196,13 @@ typedef struct AVFormatContext {
*/
unsigned int skip_initial_bytes;
/**
* Correct single timestamp overflows
* - encoding: unused
* - decoding: Set by user via AVOPtions (NO direct access)
*/
unsigned int correct_ts_overflow;
/*****************************************************************
* All fields below this line are not part of the public API. They
* may not be used outside of libavformat and can be changed and
......
libavformat/options_table.h
View file @ 2d74dea8
......@@ -73,6 +73,7 @@ static const AVOption options[]={
{"use_wallclock_as_timestamps", "use wallclock as timestamps", OFFSET(use_wallclock_as_timestamps), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX-1, D},
{"avoid_negative_ts", "shift timestamps to make them positive. 1 enables, 0 disables, default of -1 enables when required by target format.", OFFSET(avoid_negative_ts), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, E},
{"skip_initial_bytes", "skip initial bytes", OFFSET(skip_initial_bytes), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX-1, D},
{"correct_ts_overflow", "correct single timestamp overflows", OFFSET(correct_ts_overflow), AV_OPT_TYPE_INT, {.i64 = 1}, 0, 1, D},
{NULL},
};
......
libavformat/utils.c
View file @ 2d74dea8
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tests/ref/fate/nuv-rtjpeg-fh
View file @ 2d74dea8
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