libavcodec/bytestream.h File Reference

#include <string.h>
#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"

Go to the source code of this file.

Data Structures
struct	GetByteContext
Defines
#define	DEF_T(type, name, bytes, read, write)
#define	DEF(name, bytes, read, write)   DEF_T(unsigned int, name, bytes, read, write)
#define	DEF64(name, bytes, read, write)   DEF_T(uint64_t, name, bytes, read, write)
Functions
AV_WL32 AV_WL24 AV_WL16 AV_WB32 AV_WB24 AV_WB16 static AV_WB8 av_always_inline void	bytestream2_init (GetByteContext *g, const uint8_t *buf, int buf_size)
static av_always_inline unsigned int	bytestream2_get_bytes_left (GetByteContext *g)
static av_always_inline void	bytestream2_skip (GetByteContext *g, unsigned int size)
static av_always_inline unsigned int	bytestream2_get_buffer (GetByteContext *g, uint8_t *dst, unsigned int size)
static av_always_inline unsigned int	bytestream_get_buffer (const uint8_t **b, uint8_t *dst, unsigned int size)
static av_always_inline void	bytestream_put_buffer (uint8_t **b, const uint8_t *src, unsigned int size)
Variables
	le32_TMPL
	AV_RL32
AV_WL32	le24_TMPL
AV_WL32	AV_RL24
AV_WL32 AV_WL24	le16_TMPL
AV_WL32 AV_WL24	AV_RL16
AV_WL32 AV_WL24 AV_WL16	be32_TMPL
AV_WL32 AV_WL24 AV_WL16	AV_RB32
AV_WL32 AV_WL24 AV_WL16 AV_WB32	be24_TMPL
AV_WL32 AV_WL24 AV_WL16 AV_WB32	AV_RB24
AV_WL32 AV_WL24 AV_WL16 AV_WB32 AV_WB24	be16_TMPL
AV_WL32 AV_WL24 AV_WL16 AV_WB32 AV_WB24	AV_RB16
AV_WL32 AV_WL24 AV_WL16 AV_WB32 AV_WB24 AV_WB16	byte_TMPL
AV_WL32 AV_WL24 AV_WL16 AV_WB32 AV_WB24 AV_WB16	AV_RB8

---

Define Documentation

#define DEF	(	name,
		bytes,
		read,
		write		)	DEF_T(unsigned int, name, bytes, read, write)

Definition at line 55 of file bytestream.h.

#define DEF64	(	name,
		bytes,
		read,
		write		)	DEF_T(uint64_t, name, bytes, read, write)

Definition at line 57 of file bytestream.h.

#define DEF_T	(	type,
		name,
		bytes,
		read,
		write		)

Value:

static av_always_inline type bytestream_get_ ## name(const uint8_t **b){\
    (*b) += bytes;\
    return read(*b - bytes);\
}\
static av_always_inline void bytestream_put_ ##name(uint8_t **b, const type value){\
    write(*b, value);\
    (*b) += bytes;\
}\
static av_always_inline type bytestream2_get_ ## name(GetByteContext *g)\
{\
    if (g->buffer_end - g->buffer < bytes)\
        return 0;\
    return bytestream_get_ ## name(&g->buffer);\
}\
static av_always_inline type bytestream2_peek_ ## name(GetByteContext *g)\
{\
    if (g->buffer_end - g->buffer < bytes)\
        return 0;\
    return read(g->buffer);\
}

Definition at line 33 of file bytestream.h.

---

Function Documentation

static av_always_inline unsigned int bytestream2_get_buffer	(	GetByteContext *	g,
		uint8_t *	dst,
		unsigned int	size
	)			[static]

Definition at line 92 of file bytestream.h.

static av_always_inline unsigned int bytestream2_get_bytes_left

(

GetByteContext *

g

)

[static]

Definition at line 81 of file bytestream.h.

AV_WL32 AV_WL24 AV_WL16 AV_WB32 AV_WB24 AV_WB16 static AV_WB8 av_always_inline void bytestream2_init	(	GetByteContext *	g,
		const uint8_t *	buf,
		int	buf_size
	)			[static]

Type Constraints

Definition at line 74 of file bytestream.h.

static av_always_inline void bytestream2_skip	(	GetByteContext *	g,
		unsigned int	size
	)			[static]

Definition at line 86 of file bytestream.h.

static av_always_inline unsigned int bytestream_get_buffer	(	const uint8_t **	b,
		uint8_t *	dst,
		unsigned int	size
	)			[static]

Definition at line 102 of file bytestream.h.

Referenced by bethsoftvid_decode_frame(), bfi_decode_frame(), cdg_decode_frame(), decode_bdlt(), decode_copy(), decode_frame(), decode_packet(), decode_wdlt(), flac_read_header(), gif_read_header1(), gif_read_image(), ogm_header(), rtmp_write(), and xan_unpack().

static av_always_inline void bytestream_put_buffer	(	uint8_t **	b,
		const uint8_t *	src,
		unsigned int	size
	)			[static]

Definition at line 109 of file bytestream.h.

Referenced by av_packet_merge_side_data(), encode_packet(), ff_amf_write_field_name(), ff_amf_write_string(), ff_vorbiscomment_write(), get_packet(), gif_image_write_header(), gif_image_write_image(), imx_dump_header(), mjpega_dump_header(), ogg_build_flac_headers(), ogg_build_speex_headers(), ogg_write_header(), prores_encode_frame(), qtrle_encode_line(), write_codebooks(), and write_typecode().

---

Variable Documentation

AV_WL32 AV_WL24 AV_WL16 AV_WB32 AV_WB24 AV_RB16

Definition at line 61 of file bytestream.h.

AV_WL32 AV_WL24 AV_WL16 AV_WB32 AV_RB24

Definition at line 61 of file bytestream.h.

AV_WL32 AV_WL24 AV_WL16 AV_RB32

Definition at line 61 of file bytestream.h.

AV_WL32 AV_WL24 AV_WL16 AV_WB32 AV_WB24 AV_WB16 AV_RB8

Definition at line 61 of file bytestream.h.

AV_WL32 AV_WL24 AV_RL16

Definition at line 61 of file bytestream.h.

AV_WL32 AV_RL24

Definition at line 61 of file bytestream.h.

AV_RL32

Definition at line 61 of file bytestream.h.

AV_WL32 AV_WL24 AV_WL16 AV_WB32 AV_WB24 be16_TMPL

Definition at line 61 of file bytestream.h.

AV_WL32 AV_WL24 AV_WL16 AV_WB32 be24_TMPL

Definition at line 61 of file bytestream.h.

AV_WL32 AV_WL24 AV_WL16 be32_TMPL

Definition at line 61 of file bytestream.h.

AV_WL32 AV_WL24 AV_WL16 AV_WB32 AV_WB24 AV_WB16 byte_TMPL

Definition at line 61 of file bytestream.h.

AV_WL32 AV_WL24 le16_TMPL

Definition at line 61 of file bytestream.h.

AV_WL32 le24_TMPL

Definition at line 61 of file bytestream.h.

le32_TMPL

Definition at line 61 of file bytestream.h.