FFmpeg: libavcodec/h264_sei.c File Reference

FFmpeg 4.0

libavcodec

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

#include "avcodec.h"
#include "get_bits.h"
#include "golomb.h"
#include "h264_ps.h"
#include "h264_sei.h"
#include "internal.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...

static int	decode_picture_timing (H264SEIPictureTiming h, GetBitContext gb, const H264ParamSets ps, void logctx)

static int	decode_registered_user_data_afd (H264SEIAFD h, GetBitContext gb, int size)

static int	decode_registered_user_data_closed_caption (H264SEIA53Caption h, GetBitContext gb, void *logctx, int size)

static int	decode_registered_user_data (H264SEIContext h, GetBitContext gb, void *logctx, int size)

static int	decode_unregistered_user_data (H264SEIUnregistered h, GetBitContext gb, void *logctx, int size)

static int	decode_recovery_point (H264SEIRecoveryPoint h, GetBitContext gb)

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

static int	decode_frame_packing_arrangement (H264SEIFramePacking h, GetBitContext gb)

static int	decode_display_orientation (H264SEIDisplayOrientation h, GetBitContext gb)

static int	decode_green_metadata (H264SEIGreenMetaData h, GetBitContext gb)

static int	decode_alternative_transfer (H264SEIAlternativeTransfer h, GetBitContext gb)

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

const char *	ff_h264_sei_stereo_mode (const H264SEIFramePacking *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 35 of file h264_sei.c.

Referenced by decode_buffering_period(), decode_picture_timing(), and ff_h264_sei_decode().

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 41 of file h264_sei.c.

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

◆ decode_picture_timing()

static int decode_picture_timing	(	H264SEIPictureTiming *	h,
		GetBitContext *	gb,
		const H264ParamSets *	ps,
		void *	logctx
	)

static

Definition at line 58 of file h264_sei.c.

Referenced by ff_h264_sei_decode().

◆ decode_registered_user_data_afd()

static int decode_registered_user_data_afd	(	H264SEIAFD *	h,
		GetBitContext *	gb,
		int	size
	)

static

Definition at line 128 of file h264_sei.c.

Referenced by decode_registered_user_data().

◆ decode_registered_user_data_closed_caption()

static int decode_registered_user_data_closed_caption	(	H264SEIA53Caption *	h,
		GetBitContext *	gb,
		void *	logctx,
		int	size
	)

static

Definition at line 149 of file h264_sei.c.

Referenced by decode_registered_user_data().

◆ decode_registered_user_data()

static int decode_registered_user_data	(	H264SEIContext *	h,
		GetBitContext *	gb,
		void *	logctx,
		int	size
	)

static

Definition at line 202 of file h264_sei.c.

Referenced by ff_h264_sei_decode().

◆ decode_unregistered_user_data()

static int decode_unregistered_user_data	(	H264SEIUnregistered *	h,
		GetBitContext *	gb,
		void *	logctx,
		int	size
	)

static

Definition at line 237 of file h264_sei.c.

Referenced by ff_h264_sei_decode().

◆ decode_recovery_point()

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

static

Definition at line 264 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 276 of file h264_sei.c.

Referenced by ff_h264_sei_decode().

◆ decode_frame_packing_arrangement()

static int decode_frame_packing_arrangement	(	H264SEIFramePacking *	h,
		GetBitContext *	gb
	)

static

Definition at line 313 of file h264_sei.c.

Referenced by ff_h264_sei_decode().

◆ decode_display_orientation()

static int decode_display_orientation	(	H264SEIDisplayOrientation *	h,
		GetBitContext *	gb
	)

static

Definition at line 341 of file h264_sei.c.

Referenced by ff_h264_sei_decode().

◆ decode_green_metadata()

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

static

Definition at line 358 of file h264_sei.c.

Referenced by ff_h264_sei_decode().

◆ decode_alternative_transfer()

static int decode_alternative_transfer	(	H264SEIAlternativeTransfer *	h,
		GetBitContext *	gb
	)

static

Definition at line 383 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 391 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 H264SEIFramePacking * h )

Get stereo_mode string from the h264 frame_packing_arrangement.

Definition at line 466 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 37 of file h264_sei.c.

Referenced by decode_picture_timing().