libavi.c File Reference

Include dependency graph for libavi.c:

Defines
#define	AVI_DEBUG   1
#define	__EVEN(x)   (((x) + 1) & ~1)
#define	AVI_ChunkFree(a, b)   _AVI_ChunkFree( (a), (avi_chunk_t*)(b) )
#define	AVI_READCHUNK_ENTER
#define	AVI_READ(res, func, size)
#define	AVI_READCHUNK_EXIT(code)
#define	AVI_READ1BYTE(i_byte)   AVI_READ( i_byte, GetB, 1 )
#define	AVI_READ2BYTES(i_word)   AVI_READ( i_word, GetWLE, 2 )
#define	AVI_READ4BYTES(i_dword)   AVI_READ( i_dword, GetDWLE, 4 )
#define	AVI_READ8BYTES(i_qword)   AVI_READ( i_qword, GetQWLE, 8 )
#define	AVI_READFOURCC(i_dword)   AVI_READ( i_dword, GetFOURCC, 4 )
Functions
static vlc_fourcc_t	GetFOURCC (const uint8_t *p_buff)
void	_AVI_ChunkFree (stream_t *, avi_chunk_t *p_chk)
static int	AVI_ChunkReadCommon (stream_t *s, avi_chunk_t *p_chk)
static int	AVI_NextChunk (stream_t *s, avi_chunk_t *p_chk)
static int	AVI_ChunkRead_list (stream_t *s, avi_chunk_t *p_container)
static uint8_t	GetB (uint8_t *ptr)
static int	AVI_ChunkRead_avih (stream_t *s, avi_chunk_t *p_chk)
static int	AVI_ChunkRead_strh (stream_t *s, avi_chunk_t *p_chk)
static int	AVI_ChunkRead_strf (stream_t *s, avi_chunk_t *p_chk)
static void	AVI_ChunkFree_strf (avi_chunk_t *p_chk)
static int	AVI_ChunkRead_strd (stream_t *s, avi_chunk_t *p_chk)
static void	AVI_ChunkFree_strd (avi_chunk_t *p_chk)
static int	AVI_ChunkRead_idx1 (stream_t *s, avi_chunk_t *p_chk)
static void	AVI_ChunkFree_idx1 (avi_chunk_t *p_chk)
static int	AVI_ChunkRead_indx (stream_t *s, avi_chunk_t *p_chk)
static void	AVI_ChunkFree_indx (avi_chunk_t *p_chk)
static int	AVI_ChunkRead_strz (stream_t *s, avi_chunk_t *p_chk)
static void	AVI_ChunkFree_strz (avi_chunk_t *p_chk)
static int	AVI_ChunkRead_nothing (stream_t *s, avi_chunk_t *p_chk)
static void	AVI_ChunkFree_nothing (avi_chunk_t *p_chk)
static int	AVI_ChunkFunctionFind (vlc_fourcc_t i_fourcc)
int	_AVI_ChunkRead (stream_t *s, avi_chunk_t *p_chk, avi_chunk_t *p_father)
static void	AVI_ChunkDumpDebug_level (vlc_object_t *p_obj, avi_chunk_t *p_chk, int i_level)
int	AVI_ChunkReadRoot (stream_t *s, avi_chunk_t *p_root)
void	AVI_ChunkFreeRoot (stream_t *s, avi_chunk_t *p_chk)
int	_AVI_ChunkCount (avi_chunk_t *p_chk, vlc_fourcc_t i_fourcc)
void *	_AVI_ChunkFind (avi_chunk_t *p_chk, vlc_fourcc_t i_fourcc, int i_number)
Variables
struct {
vlc_fourcc_t   i_fourcc
const char *   psz_type
}	AVI_strz_type []
struct {
vlc_fourcc_t   i_fourcc
int(*   AVI_ChunkRead_function )(stream_t *s, avi_chunk_t *p_chk)
void(*   AVI_ChunkFree_function )(avi_chunk_t *p_chk)
}	AVI_Chunk_Function []

---

Define Documentation

#define __EVEN

(

x

)

(((x) + 1) & ~1)

#define AVI_ChunkFree	(	a,
		b		)	_AVI_ChunkFree( (a), (avi_chunk_t*)(b) )

#define AVI_DEBUG   1

#define AVI_READ	(	res,
		func,
		size		)

Value:

if( i_read < size ) { \
        free( p_buff); \
        return VLC_EGENERIC; \
    } \
    i_read -= size; \
    res = func( p_read ); \
    p_read += size \

#define AVI_READ1BYTE

(

i_byte

)

AVI_READ( i_byte, GetB, 1 )

#define AVI_READ2BYTES

(

i_word

)

AVI_READ( i_word, GetWLE, 2 )

#define AVI_READ4BYTES

(

i_dword

)

AVI_READ( i_dword, GetDWLE, 4 )

#define AVI_READ8BYTES

(

i_qword

)

AVI_READ( i_qword, GetQWLE, 8 )

#define AVI_READCHUNK_ENTER

Value:

int64_t i_read = __EVEN(p_chk->common.i_chunk_size ) + 8; \
    uint8_t  *p_read, *p_buff;    \
    if( !( p_read = p_buff = malloc(i_read ) ) ) \
    { \
        return VLC_EGENERIC; \
    } \
    i_read = stream_Read( s, p_read, i_read ); \
    if( i_read < (int64_t)__EVEN(p_chk->common.i_chunk_size ) + 8 ) \
    { \
        free( p_buff ); \
        return VLC_EGENERIC; \
    }\
    p_read += 8; \
    i_read -= 8

#define AVI_READCHUNK_EXIT

(

code

)

Value:

free( p_buff ); \
    return code

#define AVI_READFOURCC

(

i_dword

)

AVI_READ( i_dword, GetFOURCC, 4 )

---

Function Documentation

int _AVI_ChunkCount	(	avi_chunk_t *	p_chk,
		vlc_fourcc_t	i_fourcc
	)

void* _AVI_ChunkFind	(	avi_chunk_t *	p_chk,
		vlc_fourcc_t	i_fourcc,
		int	i_number
	)

void _AVI_ChunkFree	(	stream_t *	,
		avi_chunk_t *	p_chk
	)

int _AVI_ChunkRead	(	stream_t *	s,
		avi_chunk_t *	p_chk,
		avi_chunk_t *	p_father
	)

static void AVI_ChunkDumpDebug_level	(	vlc_object_t *	p_obj,
		avi_chunk_t *	p_chk,
		int	i_level
	)			[static]

static void AVI_ChunkFree_idx1

(

avi_chunk_t *

p_chk

)

[static]

static void AVI_ChunkFree_indx

(

avi_chunk_t *

p_chk

)

[static]

static void AVI_ChunkFree_nothing

(

avi_chunk_t *

p_chk

)

[static]

static void AVI_ChunkFree_strd

(

avi_chunk_t *

p_chk

)

[static]

static void AVI_ChunkFree_strf

(

avi_chunk_t *

p_chk

)

[static]

static void AVI_ChunkFree_strz

(

avi_chunk_t *

p_chk

)

[static]

void AVI_ChunkFreeRoot	(	stream_t *	s,
		avi_chunk_t *	p_chk
	)

static int AVI_ChunkFunctionFind

(

vlc_fourcc_t

i_fourcc

)

[static]

static int AVI_ChunkRead_avih	(	stream_t *	s,
		avi_chunk_t *	p_chk
	)			[static]

static int AVI_ChunkRead_idx1	(	stream_t *	s,
		avi_chunk_t *	p_chk
	)			[static]

static int AVI_ChunkRead_indx	(	stream_t *	s,
		avi_chunk_t *	p_chk
	)			[static]

static int AVI_ChunkRead_list	(	stream_t *	s,
		avi_chunk_t *	p_container
	)			[static]

static int AVI_ChunkRead_nothing	(	stream_t *	s,
		avi_chunk_t *	p_chk
	)			[static]

static int AVI_ChunkRead_strd	(	stream_t *	s,
		avi_chunk_t *	p_chk
	)			[static]

static int AVI_ChunkRead_strf	(	stream_t *	s,
		avi_chunk_t *	p_chk
	)			[static]

static int AVI_ChunkRead_strh	(	stream_t *	s,
		avi_chunk_t *	p_chk
	)			[static]

static int AVI_ChunkRead_strz	(	stream_t *	s,
		avi_chunk_t *	p_chk
	)			[static]

static int AVI_ChunkReadCommon	(	stream_t *	s,
		avi_chunk_t *	p_chk
	)			[static]

int AVI_ChunkReadRoot	(	stream_t *	s,
		avi_chunk_t *	p_root
	)

static int AVI_NextChunk	(	stream_t *	s,
		avi_chunk_t *	p_chk
	)			[static]

static uint8_t GetB

(

uint8_t *

ptr

)

[inline, static]

static vlc_fourcc_t GetFOURCC

(

const uint8_t *

p_buff

)

[static]

---

Variable Documentation

struct { ... } AVI_Chunk_Function[] [static]

void(* AVI_ChunkFree_function)(avi_chunk_t *p_chk)

int(* AVI_ChunkRead_function)(stream_t *s, avi_chunk_t *p_chk)

struct { ... } AVI_strz_type[] [static]

vlc_fourcc_t i_fourcc

vlc_fourcc_t i_fourcc

const char* psz_type

---