hevc_parser.c File Reference

#include "libavutil/common.h"
#include "parser.h"
#include "hevc.h"
#include "golomb.h"

Go to the source code of this file.

Data Structures
struct	HEVCParseContext

Macros
#define	START_CODE   0x000001
	start_code_prefix_one_3bytes

Functions
static int	hevc_find_frame_end (AVCodecParserContext *s, const uint8_t *buf, int buf_size)
	Find the end of the current frame in the bitstream.
static int	parse_nal_units (AVCodecParserContext *s, AVCodecContext *avctx, const uint8_t *buf, int buf_size)
	Parse NAL units of found picture and decode some basic information.
static int	hevc_parse (AVCodecParserContext *s, AVCodecContext *avctx, const uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size)
static int	hevc_split (AVCodecContext *avctx, const uint8_t *buf, int buf_size)
static int	hevc_init (AVCodecParserContext *s)
static void	hevc_close (AVCodecParserContext *s)

Variables
AVCodecParser	ff_hevc_parser

Macro Definition Documentation

#define START_CODE   0x000001

start_code_prefix_one_3bytes

Definition at line 29 of file hevc_parser.c.

Referenced by hevc_find_frame_end(), and hevc_split().

Function Documentation

static int hevc_find_frame_end ( AVCodecParserContext *  s, const uint8_t *  buf, int  buf_size  )

static

Find the end of the current frame in the bitstream.

Returns

the position of the first byte of the next frame, or END_NOT_FOUND

Definition at line 40 of file hevc_parser.c.

Referenced by hevc_parse().

static int parse_nal_units ( AVCodecParserContext *  s, AVCodecContext *  avctx, const uint8_t *  buf, int  buf_size  )

inlinestatic

Parse NAL units of found picture and decode some basic information.

Parameters

s	parser context.
avctx	codec context.
buf	buffer with field/frame data.
buf_size	size of the buffer.

Definition at line 87 of file hevc_parser.c.

Referenced by hevc_parse().

static int hevc_parse ( AVCodecParserContext *  s, AVCodecContext *  avctx, const uint8_t **  poutbuf, int *  poutbuf_size, const uint8_t *  buf, int  buf_size  )

static

Definition at line 260 of file hevc_parser.c.

static int hevc_split ( AVCodecContext *  avctx, const uint8_t *  buf, int  buf_size  )

static

Definition at line 287 of file hevc_parser.c.

static int hevc_init ( AVCodecParserContext *  s )

static

Definition at line 308 of file hevc_parser.c.

static void hevc_close ( AVCodecParserContext *  s )

static

Definition at line 317 of file hevc_parser.c.

Variable Documentation

AVCodecParser ff_hevc_parser

Initial value:

= {
    .codec_ids      = { AV_CODEC_ID_HEVC },
    .priv_data_size = sizeof(HEVCParseContext),
    .parser_init    = hevc_init,
    .parser_parse   = hevc_parse,
    .parser_close   = hevc_close,
    .split          = hevc_split,
}

Definition at line 343 of file hevc_parser.c.