h264_sei.c File Reference

#include <limits.h>
#include <stdio.h>
#include <string.h>
#include "libavutil/error.h"
#include "libavutil/log.h"
#include "libavutil/macros.h"
#include "libavutil/mem.h"
#include "bytestream.h"
#include "get_bits.h"
#include "golomb.h"
#include "h264_ps.h"
#include "h264_sei.h"
#include "sei.h"

Go to the source code of this file.

Macros
#define	AVERROR_PS_NOT_FOUND   FFERRTAG(0xF8,'?','P','S')

Functions
void	ff_h264_sei_uninit (H264SEIContext *h)
	Reset SEI values at the beginning of the frame. More...
int	ff_h264_sei_process_picture_timing (H264SEIPictureTiming *h, const SPS *sps, void *logctx)
	Parse the contents of a picture timing message given an active SPS. More...
static int	decode_picture_timing (H264SEIPictureTiming *h, GetByteContext *gb, void *logctx)
static int	decode_recovery_point (H264SEIRecoveryPoint *h, GetBitContext *gb, void *logctx)
static int	decode_buffering_period (H264SEIBufferingPeriod *h, GetBitContext *gb, const H264ParamSets *ps, void *logctx)
static int	decode_green_metadata (H264SEIGreenMetaData *h, GetByteContext *gb)
int	ff_h264_sei_decode (H264SEIContext *h, GetBitContext *gb, const H264ParamSets *ps, void *logctx)
const char *	ff_h264_sei_stereo_mode (const H2645SEIFramePacking *h)
	Get stereo_mode string from the h264 frame_packing_arrangement. More...

Variables
static const uint8_t	sei_num_clock_ts_table [9]

Detailed Description

H.264 / AVC / MPEG-4 part10 SEI decoding.

Author

Michael Niedermayer micha.nosp@m.elni.nosp@m.@gmx..nosp@m.at

Definition in file h264_sei.c.

Macro Definition Documentation

AVERROR_PS_NOT_FOUND

#define AVERROR_PS_NOT_FOUND   FFERRTAG(0xF8,'?','P','S')

Definition at line 42 of file h264_sei.c.

Function Documentation

ff_h264_sei_uninit()

void ff_h264_sei_uninit

(

H264SEIContext *

h

)

Reset SEI values at the beginning of the frame.

Definition at line 48 of file h264_sei.c.

Referenced by decode_nal_units(), h264_close(), h264_decode_end(), h264_decode_flush(), h264_init_context(), and parse_nal_units().

ff_h264_sei_process_picture_timing()

int ff_h264_sei_process_picture_timing	(	H264SEIPictureTiming *	h,
		const SPS *	sps,
		void *	logctx
	)

Parse the contents of a picture timing message given an active SPS.

Definition at line 64 of file h264_sei.c.

Referenced by h264_export_frame_props(), and parse_nal_units().

decode_picture_timing()

static int decode_picture_timing ( H264SEIPictureTiming *  h, GetByteContext *  gb, void *  logctx  )

static

Definition at line 133 of file h264_sei.c.

Referenced by ff_h264_sei_decode().

decode_recovery_point()

static int decode_recovery_point ( H264SEIRecoveryPoint *  h, GetBitContext *  gb, void *  logctx  )

static

Definition at line 150 of file h264_sei.c.

Referenced by ff_h264_sei_decode().

decode_buffering_period()

static int decode_buffering_period ( H264SEIBufferingPeriod *  h, GetBitContext *  gb, const H264ParamSets *  ps, void *  logctx  )

static

Definition at line 168 of file h264_sei.c.

Referenced by ff_h264_sei_decode().

decode_green_metadata()

static int decode_green_metadata ( H264SEIGreenMetaData *  h, GetByteContext *  gb  )

static

Definition at line 205 of file h264_sei.c.

Referenced by ff_h264_sei_decode().

ff_h264_sei_decode()

int ff_h264_sei_decode	(	H264SEIContext *	h,
		GetBitContext *	gb,
		const H264ParamSets *	ps,
		void *	logctx
	)

Definition at line 230 of file h264_sei.c.

Referenced by decode_nal_units(), and parse_nal_units().

ff_h264_sei_stereo_mode()

const char* ff_h264_sei_stereo_mode

(

const H2645SEIFramePacking *

h

)

Get stereo_mode string from the h264 frame_packing_arrangement.

Definition at line 305 of file h264_sei.c.

Referenced by output_frame().

Variable Documentation

sei_num_clock_ts_table

const uint8_t sei_num_clock_ts_table[9]

static

Initial value:

= {
    1, 1, 1, 2, 2, 3, 3, 2, 3
}

Definition at line 44 of file h264_sei.c.

Referenced by ff_h264_sei_process_picture_timing().