libavi.c File Reference

Include dependency graph for libavi.c:


Defines

#define AVI_DEBUG   1
#define __EVEN(x)   (((x) + 1) & ~1)
#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)
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)
void _AVI_ChunkFree (stream_t *s, avi_chunk_t *p_chk)
static void AVI_ChunkDumpDebug_level (vlc_object_t *p_obj, avi_chunk_t *p_chk, unsigned 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)

Referenced by AVI_ChunkRead_list(), AVI_ChunkReadRoot(), AVI_NextChunk(), AVI_PacketNext(), AVI_PacketRead(), and Demux_Seekable().

#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 )

Referenced by AVI_ChunkRead_indx().

#define AVI_READ2BYTES ( i_word   )     AVI_READ( i_word, GetWLE, 2 )

Referenced by AVI_ChunkRead_indx(), and AVI_ChunkRead_strf().

#define AVI_READ4BYTES ( i_dword   )     AVI_READ( i_dword, GetDWLE, 4 )

Referenced by AVI_ChunkRead_avih(), AVI_ChunkRead_idx1(), AVI_ChunkRead_indx(), AVI_ChunkRead_strf(), and AVI_ChunkRead_strh().

#define AVI_READ8BYTES ( i_qword   )     AVI_READ( i_qword, GetQWLE, 8 )

Referenced by AVI_ChunkRead_indx().

#define AVI_READCHUNK_ENTER

Value:

int64_t i_read = __EVEN(p_chk->common.i_chunk_size ) + 8; \
    if( i_read > 100000000 ) \
    { \
        msg_Err( s, "Big chunk ignored" ); \
        return VLC_EGENERIC; \
    } \
    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

Referenced by AVI_ChunkRead_avih(), AVI_ChunkRead_idx1(), AVI_ChunkRead_indx(), AVI_ChunkRead_strd(), AVI_ChunkRead_strf(), AVI_ChunkRead_strh(), and AVI_ChunkRead_strz().

#define AVI_READCHUNK_EXIT ( code   ) 

Value:

free( p_buff ); \
    return code

Referenced by AVI_ChunkRead_avih(), AVI_ChunkRead_idx1(), AVI_ChunkRead_indx(), AVI_ChunkRead_strd(), AVI_ChunkRead_strf(), AVI_ChunkRead_strh(), and AVI_ChunkRead_strz().

#define AVI_READFOURCC ( i_dword   )     AVI_READ( i_dword, GetFOURCC, 4 )

Referenced by AVI_ChunkRead_idx1(), AVI_ChunkRead_strf(), and AVI_ChunkRead_strh().

Function Documentation

int _AVI_ChunkCount ( avi_chunk_t *  p_chk,
vlc_fourcc_t  i_fourcc 
)

References AVIFOURCC_LIST, avi_chunk_u::common, avi_chunk_common_s::i_chunk_fourcc, avi_chunk_list_s::i_type, avi_chunk_u::list, avi_chunk_common_s::p_first, and avi_chunk_common_s::p_next.

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

References AVIFOURCC_LIST, avi_chunk_u::common, avi_chunk_common_s::i_chunk_fourcc, avi_chunk_list_s::i_type, avi_chunk_u::list, avi_chunk_common_s::p_first, and avi_chunk_common_s::p_next.

void _AVI_ChunkFree ( stream_t *  s,
avi_chunk_t *  p_chk 
)

References AVI_Chunk_Function, AVI_ChunkFree, AVI_ChunkFree_function, AVI_ChunkFunctionFind(), avi_chunk_u::common, avi_chunk_common_s::i_chunk_fourcc, msg_Dbg, msg_Warn, avi_chunk_common_s::p_first, avi_chunk_common_s::p_last, and avi_chunk_common_s::p_next.

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

References AVI_Chunk_Function, AVI_ChunkFunctionFind(), AVI_ChunkRead_function, AVI_ChunkRead_indx(), AVI_ChunkReadCommon(), AVI_NextChunk(), AVIFOURCC_indx, avi_chunk_u::common, avi_chunk_common_s::i_chunk_fourcc, msg_Warn, avi_chunk_common_s::p_father, VLC_EGENERIC, and VLC_FOURCC.

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

References AVIFOURCC_LIST, AVIFOURCC_ON2, AVIFOURCC_RIFF, avi_chunk_u::common, i, avi_chunk_common_s::i_chunk_fourcc, avi_chunk_common_s::i_chunk_pos, avi_chunk_common_s::i_chunk_size, avi_chunk_list_s::i_type, avi_chunk_u::list, msg_Dbg, avi_chunk_common_s::p_first, avi_chunk_common_s::p_next, and gen_builder::str.

Referenced by AVI_ChunkReadRoot().

static void AVI_ChunkFree_idx1 ( avi_chunk_t *  p_chk  )  [static]

References avi_chunk_idx1_s::entry, FREENULL, avi_chunk_idx1_s::i_entry_count, avi_chunk_idx1_s::i_entry_max, and avi_chunk_u::idx1.

static void AVI_ChunkFree_indx ( avi_chunk_t *  p_chk  )  [static]

References avi_chunk_indx_s::field, FREENULL, avi_chunk_indx_s::idx, avi_chunk_indx_s::std, and avi_chunk_indx_s::super.

static void AVI_ChunkFree_nothing ( avi_chunk_t *  p_chk  )  [static]

References VLC_UNUSED.

static void AVI_ChunkFree_strd ( avi_chunk_t *  p_chk  )  [static]

References avi_chunk_strd_s::p_data, and avi_chunk_u::strd.

static void AVI_ChunkFree_strf ( avi_chunk_t *  p_chk  )  [static]

References AUDIO_ES, avi_chunk_strf_u::auds, avi_chunk_strf_u::common, FREENULL, avi_chunk_strf_u::i_cat, avi_chunk_strf_vids_s::p_bih, avi_chunk_strf_auds_s::p_wf, VIDEO_ES, and avi_chunk_strf_u::vids.

static void AVI_ChunkFree_strz ( avi_chunk_t *  p_chk  )  [static]

References FREENULL, avi_chunk_STRING_s::p_str, and avi_chunk_STRING_s::p_type.

void AVI_ChunkFreeRoot ( stream_t *  s,
avi_chunk_t *  p_chk 
)

References AVI_ChunkFree.

static int AVI_ChunkFunctionFind ( vlc_fourcc_t  i_fourcc  )  [static]

References AVI_Chunk_Function.

Referenced by _AVI_ChunkFree(), and _AVI_ChunkRead().

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

References AVI_READ4BYTES, AVI_READCHUNK_ENTER, AVI_READCHUNK_EXIT, AVIF_HASINDEX, AVIF_ISINTERLEAVED, AVIF_MUSTUSEINDEX, AVIF_TRUSTCKTYPE, AVIFOURCC_avih, avi_chunk_u::avih, avi_chunk_u::common, avi_chunk_common_s::i_chunk_fourcc, avi_chunk_avih_s::i_flags, avi_chunk_avih_s::i_height, avi_chunk_avih_s::i_initialframes, avi_chunk_avih_s::i_length, avi_chunk_avih_s::i_maxbytespersec, avi_chunk_avih_s::i_microsecperframe, avi_chunk_avih_s::i_rate, avi_chunk_avih_s::i_reserved1, avi_chunk_avih_s::i_scale, avi_chunk_avih_s::i_start, avi_chunk_avih_s::i_streams, avi_chunk_avih_s::i_suggestedbuffersize, avi_chunk_avih_s::i_totalframes, avi_chunk_avih_s::i_width, msg_Dbg, and VLC_SUCCESS.

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

References __MIN, AVI_READ4BYTES, AVI_READCHUNK_ENTER, AVI_READCHUNK_EXIT, AVI_READFOURCC, avi_chunk_u::common, avi_chunk_idx1_s::entry, avi_chunk_common_s::i_chunk_size, avi_chunk_idx1_s::i_entry_count, avi_chunk_idx1_s::i_entry_max, idx1_entry_s::i_flags, idx1_entry_s::i_fourcc, idx1_entry_s::i_length, idx1_entry_s::i_pos, avi_chunk_u::idx1, msg_Dbg, and VLC_SUCCESS.

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

References __MIN, AVI_INDEX_2FIELD, AVI_INDEX_OF_CHUNKS, AVI_INDEX_OF_INDEXES, AVI_READ1BYTE, AVI_READ2BYTES, AVI_READ4BYTES, AVI_READ8BYTES, AVI_READCHUNK_ENTER, AVI_READCHUNK_EXIT, avi_chunk_indx_s::field, i, avi_chunk_indx_s::i_baseoffset, indx_super_entry_t::i_duration, avi_chunk_indx_s::i_entriesinuse, avi_chunk_indx_s::i_id, avi_chunk_indx_s::i_indexsubtype, avi_chunk_indx_s::i_indextype, avi_chunk_indx_s::i_longsperentry, indx_super_entry_t::i_offset, indx_field_entry_t::i_offset, indx_std_entry_t::i_offset, indx_field_entry_t::i_offsetfield2, indx_super_entry_t::i_size, indx_field_entry_t::i_size, indx_std_entry_t::i_size, avi_chunk_indx_s::idx, msg_Dbg, msg_Warn, avi_chunk_indx_s::std, avi_chunk_indx_s::super, and VLC_SUCCESS.

Referenced by _AVI_ChunkRead().

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

References __EVEN, AVI_ChunkRead, AVI_NextChunk(), AVIFOURCC_AVI, AVIFOURCC_LIST, AVIFOURCC_movi, AVIFOURCC_ON2, AVIFOURCC_ON2f, AVIFOURCC_RIFF, avi_chunk_u::common, GetFOURCC, avi_chunk_common_s::i_chunk_fourcc, avi_chunk_common_s::i_chunk_pos, avi_chunk_common_s::i_chunk_size, avi_chunk_list_s::i_type, avi_chunk_u::list, msg_Dbg, msg_Warn, avi_chunk_common_s::p_father, avi_chunk_common_s::p_first, avi_chunk_common_s::p_last, avi_chunk_common_s::p_next, STREAM_CAN_FASTSEEK, stream_Control(), stream_Peek(), stream_Read(), stream_Tell(), VLC_EGENERIC, and VLC_SUCCESS.

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

References AVI_NextChunk().

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

References AVI_READCHUNK_ENTER, AVI_READCHUNK_EXIT, avi_chunk_u::common, avi_chunk_common_s::i_chunk_size, avi_chunk_strd_s::p_data, avi_chunk_u::strd, and VLC_SUCCESS.

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

References __MAX, AUDIO_ES, avi_chunk_strf_u::auds, AVI_ChunkFind, AVI_READ2BYTES, AVI_READ4BYTES, AVI_READCHUNK_ENTER, AVI_READCHUNK_EXIT, AVI_READFOURCC, AVIFOURCC_auds, AVIFOURCC_strh, AVIFOURCC_vids, ATTR_PACKED::biBitCount, ATTR_PACKED::biClrImportant, ATTR_PACKED::biClrUsed, ATTR_PACKED::biCompression, ATTR_PACKED::biHeight, ATTR_PACKED::biPlanes, ATTR_PACKED::biSize, ATTR_PACKED::biSizeImage, ATTR_PACKED::biWidth, ATTR_PACKED::biXPelsPerMeter, ATTR_PACKED::biYPelsPerMeter, avi_chunk_strf_u::common, avi_chunk_u::common, avi_chunk_strf_u::i_cat, avi_chunk_strf_vids_s::i_cat, avi_chunk_strf_auds_s::i_cat, avi_chunk_common_s::i_chunk_size, avi_chunk_strh_s::i_samplesize, avi_chunk_strh_s::i_type, msg_Dbg, msg_Err, msg_Warn, avi_chunk_strf_vids_s::p_bih, avi_chunk_common_s::p_father, avi_chunk_strf_auds_s::p_wf, avi_chunk_u::strf, avi_chunk_u::strh, UNKNOWN_ES, VIDEO_ES, avi_chunk_strf_u::vids, VLC_EGENERIC, VLC_SUCCESS, WAVE_FORMAT_EXTENSIBLE, and WAVE_FORMAT_PCM.

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

References AVI_READ4BYTES, AVI_READCHUNK_ENTER, AVI_READCHUNK_EXIT, AVI_READFOURCC, avi_chunk_strh_s::i_flags, avi_chunk_strh_s::i_handler, avi_chunk_strh_s::i_initialframes, avi_chunk_strh_s::i_length, avi_chunk_strh_s::i_quality, avi_chunk_strh_s::i_rate, avi_chunk_strh_s::i_reserved1, avi_chunk_strh_s::i_samplesize, avi_chunk_strh_s::i_scale, avi_chunk_strh_s::i_start, avi_chunk_strh_s::i_suggestedbuffersize, avi_chunk_strh_s::i_type, msg_Dbg, avi_chunk_u::strh, and VLC_SUCCESS.

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

References AVI_READCHUNK_ENTER, AVI_READCHUNK_EXIT, AVI_strz_type, avi_chunk_STRING_s::i_chunk_fourcc, avi_chunk_STRING_s::i_chunk_size, i_fourcc, msg_Dbg, avi_chunk_STRING_s::p_str, avi_chunk_STRING_s::p_type, psz_type, strdup(), and VLC_SUCCESS.

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

References avi_chunk_u::common, GetDWLE(), GetFOURCC, avi_chunk_common_s::i_chunk_fourcc, avi_chunk_common_s::i_chunk_pos, avi_chunk_common_s::i_chunk_size, msg_Dbg, avi_chunk_common_s::p_father, avi_chunk_common_s::p_first, avi_chunk_common_s::p_next, stream_Peek(), stream_Tell(), VLC_EGENERIC, and VLC_SUCCESS.

Referenced by _AVI_ChunkRead(), and AVI_NextChunk().

int AVI_ChunkReadRoot ( stream_t *  s,
avi_chunk_t *  p_root 
)

References __EVEN, AVI_ChunkDumpDebug_level(), AVI_ChunkRead, AVIFOURCC_AVI, AVIFOURCC_LIST, AVIFOURCC_RIFF, avi_chunk_u::common, avi_chunk_common_s::i_chunk_fourcc, avi_chunk_list_s::i_chunk_fourcc, avi_chunk_common_s::i_chunk_pos, avi_chunk_list_s::i_chunk_pos, avi_chunk_common_s::i_chunk_size, avi_chunk_list_s::i_chunk_size, avi_chunk_list_s::i_type, avi_chunk_u::list, avi_chunk_common_s::p_father, avi_chunk_list_s::p_father, avi_chunk_common_s::p_first, avi_chunk_list_s::p_first, avi_chunk_common_s::p_last, avi_chunk_list_s::p_last, avi_chunk_common_s::p_next, avi_chunk_list_s::p_next, STREAM_CAN_FASTSEEK, stream_Control(), stream_Size(), stream_Tell(), VLC_FOURCC, and VLC_SUCCESS.

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

References __EVEN, AVI_ChunkReadCommon(), avi_chunk_u::common, avi_chunk_common_s::i_chunk_pos, avi_chunk_common_s::i_chunk_size, avi_chunk_common_s::p_father, stream_Seek(), and VLC_EGENERIC.

Referenced by _AVI_ChunkRead(), AVI_ChunkRead_list(), and AVI_ChunkRead_nothing().

static uint8_t GetB ( uint8_t *  ptr  )  [inline, static]

static vlc_fourcc_t GetFOURCC ( const uint8_t *  p_buff  )  [static]

References VLC_FOURCC.

Variable Documentation

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

Referenced by _AVI_ChunkFree(), _AVI_ChunkRead(), and AVI_ChunkFunctionFind().

void(* AVI_ChunkFree_function)(avi_chunk_t *p_chk)

Referenced by _AVI_ChunkFree().

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

Referenced by _AVI_ChunkRead().

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

Referenced by AVI_ChunkRead_strz().

vlc_fourcc_t i_fourcc

const char* psz_type

Referenced by AVI_ChunkRead_strz(), DownloadArt(), DumpVariable(), EnumDeviceCaps(), EsOutUpdateInfo(), EvaluateRPN(), input_DecoderNew(), input_ExtractAttachmentAndCacheArt(), intf_Create(), NotifyToGrowl(), osd_ParserLoad(), ParseDirectory(), ParseID3Tag(), matroska_segment_c::ParseTrackEntry(), RunIntf(), scan_GetM3U(), Usage(), vlclua_object_find(), and vlclua_osd_slider().

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