#endif
#include "libmp4.h"
-#include "drms.h"
#include <math.h>
-/*****************************************************************************
- * Here are defined some macro to make life simpler but before using it
- * *look* at the code.
- *
- *****************************************************************************/
-
-static inline size_t mp4_box_headersize( MP4_Box_t *p_box )
-{
- return 8
- + ( p_box->i_shortsize == 1 ? 8 : 0 )
- + ( p_box->i_type == ATOM_uuid ? 16 : 0 );
-}
-
-#define MP4_GETX_PRIVATE(dst, code, size) do { \
- if( (i_read) >= (size) ) { dst = (code); p_peek += (size); } \
- else { dst = 0; } \
- i_read -= (size); \
- } while(0)
-
-#define MP4_GET1BYTE( dst ) MP4_GETX_PRIVATE( dst, *p_peek, 1 )
-#define MP4_GET2BYTES( dst ) MP4_GETX_PRIVATE( dst, GetWBE(p_peek), 2 )
-#define MP4_GET3BYTES( dst ) MP4_GETX_PRIVATE( dst, Get24bBE(p_peek), 3 )
-#define MP4_GET4BYTES( dst ) MP4_GETX_PRIVATE( dst, GetDWBE(p_peek), 4 )
-#define MP4_GET8BYTES( dst ) MP4_GETX_PRIVATE( dst, GetQWBE(p_peek), 8 )
-#define MP4_GETFOURCC( dst ) MP4_GETX_PRIVATE( dst, \
- VLC_FOURCC(p_peek[0],p_peek[1],p_peek[2],p_peek[3]), 4)
-
-#define MP4_GETVERSIONFLAGS( p_void ) \
- MP4_GET1BYTE( p_void->i_version ); \
- MP4_GET3BYTES( p_void->i_flags )
-
-#define MP4_GETSTRINGZ( p_str ) \
- if( (i_read > 0) && (p_peek[0]) ) \
- { \
- const int __i_copy__ = strnlen( (char*)p_peek, i_read-1 ); \
- p_str = malloc( __i_copy__+1 ); \
- if( p_str ) \
- { \
- memcpy( p_str, p_peek, __i_copy__ ); \
- p_str[__i_copy__] = 0; \
- } \
- p_peek += __i_copy__ + 1; \
- i_read -= __i_copy__ + 1; \
- } \
- else \
- { \
- p_str = NULL; \
- }
-
-#define MP4_READBOX_ENTER( MP4_Box_data_TYPE_t ) \
- int64_t i_read = p_box->i_size; \
- uint8_t *p_peek, *p_buff; \
- int i_actually_read; \
- if( !( p_peek = p_buff = malloc( i_read ) ) ) \
- { \
- return( 0 ); \
- } \
- i_actually_read = stream_Read( p_stream, p_peek, i_read ); \
- if( i_actually_read < 0 || (int64_t)i_actually_read < i_read )\
- { \
- msg_Warn( p_stream, "MP4_READBOX_ENTER: I got %i bytes, "\
- "but I requested %"PRId64"", i_actually_read, i_read );\
- free( p_buff ); \
- return( 0 ); \
- } \
- p_peek += mp4_box_headersize( p_box ); \
- i_read -= mp4_box_headersize( p_box ); \
- if( !( p_box->data.p_data = calloc( 1, sizeof( MP4_Box_data_TYPE_t ) ) ) ) \
- { \
- free( p_buff ); \
- return( 0 ); \
- }
-
-#define MP4_READBOX_EXIT( i_code ) \
- do \
- { \
- free( p_buff ); \
- if( i_read < 0 ) \
- msg_Warn( p_stream, "Not enough data" ); \
- return( i_code ); \
- } while (0)
-
-
/* Some assumptions:
* The input method HAS to be seekable
*/
-/* This macro is used when we want to printf the box type
- * APPLE annotation box is :
- * either 0xA9 + 24-bit ASCII text string (and 0xA9 isn't printable)
- * either 32-bit ASCII text string
- */
-#define MP4_BOX_TYPE_ASCII() ( ((char*)&p_box->i_type)[0] != (char)0xA9 )
-
-static inline uint32_t Get24bBE( const uint8_t *p )
-{
- return( ( p[0] <<16 ) + ( p[1] <<8 ) + p[2] );
-}
-
-static inline void GetUUID( UUID_t *p_uuid, const uint8_t *p_buff )
-{
- memcpy( p_uuid, p_buff, 16 );
-}
-
-static void CreateUUID( UUID_t *p_uuid, uint32_t i_fourcc )
-{
- /* made by 0xXXXXXXXX-0011-0010-8000-00aa00389b71
- where XXXXXXXX is the fourcc */
- /* FIXME implement this */
- (void)p_uuid;
- (void)i_fourcc;
-}
-
/* convert 16.16 fixed point to floating point */
static double conv_fx( int32_t fx ) {
double fp = fx;
{
MP4_READBOX_ENTER( MP4_Box_data_mfhd_t );
+ MP4_GETVERSIONFLAGS( p_box->data.p_mvhd );
+
MP4_GET4BYTES( p_box->data.p_mfhd->i_sequence_number );
#ifdef MP4_VERBOSE
MP4_READBOX_EXIT( 1 );
}
+static int MP4_ReadBox_tfxd( stream_t *p_stream, MP4_Box_t *p_box )
+{
+ MP4_READBOX_ENTER( MP4_Box_data_tfxd_t );
+
+ MP4_Box_data_tfxd_t *p_tfxd_data = p_box->data.p_tfxd;
+ MP4_GETVERSIONFLAGS( p_tfxd_data );
+
+ if( p_tfxd_data->i_version == 0 )
+ {
+ MP4_GET4BYTES( p_tfxd_data->i_fragment_abs_time );
+ MP4_GET4BYTES( p_tfxd_data->i_fragment_duration );
+ }
+ else
+ {
+ MP4_GET8BYTES( p_tfxd_data->i_fragment_abs_time );
+ MP4_GET8BYTES( p_tfxd_data->i_fragment_duration );
+ }
+
+#ifdef MP4_VERBOSE
+ msg_Dbg( p_stream, "read box: \"tfxd\" version %d, flags 0x%x, "\
+ "fragment duration %"PRIu64", fragment abs time %"PRIu64,
+ p_tfxd_data->i_version,
+ p_tfxd_data->i_flags,
+ p_tfxd_data->i_fragment_duration,
+ p_tfxd_data->i_fragment_abs_time
+ );
+#endif
+
+ MP4_READBOX_EXIT( 1 );
+}
+
+static int MP4_ReadBox_tfrf( stream_t *p_stream, MP4_Box_t *p_box )
+{
+ MP4_READBOX_ENTER( MP4_Box_data_tfxd_t );
+
+ MP4_Box_data_tfrf_t *p_tfrf_data = p_box->data.p_tfrf;
+ MP4_GETVERSIONFLAGS( p_tfrf_data );
+
+ MP4_GET1BYTE( p_tfrf_data->i_fragment_count );
+
+ p_tfrf_data->p_tfrf_data_fields = calloc( p_tfrf_data->i_fragment_count,
+ sizeof( TfrfBoxDataFields_t ) );
+ if( !p_tfrf_data->p_tfrf_data_fields )
+ MP4_READBOX_EXIT( 0 );
+
+ for( uint8_t i = 0; i < p_tfrf_data->i_fragment_count; i++ )
+ {
+ TfrfBoxDataFields_t *TfrfBoxDataField = &p_tfrf_data->p_tfrf_data_fields[i];
+ if( p_tfrf_data->i_version == 0 )
+ {
+ MP4_GET4BYTES( TfrfBoxDataField->i_fragment_abs_time );
+ MP4_GET4BYTES( TfrfBoxDataField->i_fragment_duration );
+ }
+ else
+ {
+ MP4_GET8BYTES( TfrfBoxDataField->i_fragment_abs_time );
+ MP4_GET8BYTES( TfrfBoxDataField->i_fragment_duration );
+ }
+ }
+
+#ifdef MP4_VERBOSE
+ msg_Dbg( p_stream, "read box: \"tfrf\" version %d, flags 0x%x, "\
+ "fragment count %"PRIu8, p_tfrf_data->i_version,
+ p_tfrf_data->i_flags, p_tfrf_data->i_fragment_count );
+
+ for( uint8_t i = 0; i < p_tfrf_data->i_fragment_count; i++ )
+ {
+ TfrfBoxDataFields_t *TfrfBoxDataField = &p_tfrf_data->p_tfrf_data_fields[i];
+ msg_Dbg( p_stream, "\"tfrf\" fragment duration %"PRIu64", "\
+ "fragment abs time %"PRIu64,
+ TfrfBoxDataField->i_fragment_duration,
+ TfrfBoxDataField->i_fragment_abs_time );
+ }
+
+#endif
+
+ MP4_READBOX_EXIT( 1 );
+}
+
+static void MP4_FreeBox_tfrf( MP4_Box_t *p_box )
+{
+ FREENULL( p_box->data.p_tfrf->p_tfrf_data_fields );
+}
+
+static int MP4_ReadBox_uuid( stream_t *p_stream, MP4_Box_t *p_box )
+{
+ if( !CmpUUID( &p_box->i_uuid, &TfrfBoxUUID ) )
+ return MP4_ReadBox_tfrf( p_stream, p_box );
+ if( !CmpUUID( &p_box->i_uuid, &TfxdBoxUUID ) )
+ return MP4_ReadBox_tfxd( p_stream, p_box );
+
+ msg_Warn( p_stream, "Unknown uuid type box" );
+ return 1;
+}
+
+static void MP4_FreeBox_uuid( MP4_Box_t *p_box )
+{
+ if( !CmpUUID( &p_box->i_uuid, &TfrfBoxUUID ) )
+ return MP4_FreeBox_tfrf( p_box );
+ if( !CmpUUID( &p_box->i_uuid, &TfxdBoxUUID ) )
+ return MP4_FreeBox_Common( p_box );
+}
+
static int MP4_ReadBox_sidx( stream_t *p_stream, MP4_Box_t *p_box )
{
MP4_READBOX_ENTER( MP4_Box_data_sidx_t );
MP4_GETVERSIONFLAGS( p_box->data.p_tfhd );
+ if( p_box->data.p_tfhd->i_version != 0 )
+ {
+ msg_Warn( p_stream, "'tfhd' box with version != 0. "\
+ " Don't know what to do with that, please patch" );
+ MP4_READBOX_EXIT( 0 );
+ }
+
MP4_GET4BYTES( p_box->data.p_tfhd->i_track_ID );
- if( p_box->data.p_tfhd->i_version == 0 )
- {
- if( p_box->data.p_tfhd->i_flags & MP4_TFHD_BASE_DATA_OFFSET )
- MP4_GET8BYTES( p_box->data.p_tfhd->i_base_data_offset );
- if( p_box->data.p_tfhd->i_flags & MP4_TFHD_SAMPLE_DESC_INDEX )
- MP4_GET4BYTES( p_box->data.p_tfhd->i_sample_description_index );
- if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_DURATION )
- MP4_GET4BYTES( p_box->data.p_tfhd->i_default_sample_duration );
- if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_SIZE )
- MP4_GET4BYTES( p_box->data.p_tfhd->i_default_sample_size );
- if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_FLAGS )
- MP4_GET4BYTES( p_box->data.p_tfhd->i_default_sample_flags );
-
-#ifdef MP4_VERBOSE
- char psz_base[128] = "\0";
- char psz_desc[128] = "\0";
- char psz_dura[128] = "\0";
- char psz_size[128] = "\0";
- char psz_flag[128] = "\0";
- if( p_box->data.p_tfhd->i_flags & MP4_TFHD_BASE_DATA_OFFSET )
- snprintf(psz_base, sizeof(psz_base), "base offset %"PRId64, p_box->data.p_tfhd->i_base_data_offset);
- if( p_box->data.p_tfhd->i_flags & MP4_TFHD_SAMPLE_DESC_INDEX )
- snprintf(psz_desc, sizeof(psz_desc), "sample description index %d", p_box->data.p_tfhd->i_sample_description_index);
- if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_DURATION )
- snprintf(psz_dura, sizeof(psz_dura), "sample duration %d", p_box->data.p_tfhd->i_default_sample_duration);
- if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_SIZE )
- snprintf(psz_size, sizeof(psz_size), "sample size %d", p_box->data.p_tfhd->i_default_sample_size);
- if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_FLAGS )
- snprintf(psz_flag, sizeof(psz_flag), "sample flags 0x%x", p_box->data.p_tfhd->i_default_sample_flags);
-
- msg_Dbg( p_stream, "read box: \"tfhd\" version %d flags 0x%x track ID %d %s %s %s %s %s",
- p_box->data.p_tfhd->i_version,
- p_box->data.p_tfhd->i_flags,
- p_box->data.p_tfhd->i_track_ID,
- psz_base, psz_desc, psz_dura, psz_size, psz_flag );
-#endif
+ if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DURATION_IS_EMPTY )
+ {
+ msg_Dbg( p_stream, "'duration-is-empty' flag is present "\
+ "=> no samples for this time interval." );
+ p_box->data.p_tfhd->b_empty = true;
}
+ else
+ p_box->data.p_tfhd->b_empty = false;
+
+ if( p_box->data.p_tfhd->i_flags & MP4_TFHD_BASE_DATA_OFFSET )
+ MP4_GET8BYTES( p_box->data.p_tfhd->i_base_data_offset );
+ if( p_box->data.p_tfhd->i_flags & MP4_TFHD_SAMPLE_DESC_INDEX )
+ MP4_GET4BYTES( p_box->data.p_tfhd->i_sample_description_index );
+ if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_DURATION )
+ MP4_GET4BYTES( p_box->data.p_tfhd->i_default_sample_duration );
+ if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_SIZE )
+ MP4_GET4BYTES( p_box->data.p_tfhd->i_default_sample_size );
+ if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_FLAGS )
+ MP4_GET4BYTES( p_box->data.p_tfhd->i_default_sample_flags );
+
+#ifdef MP4_VERBOSE
+ char psz_base[128] = "\0";
+ char psz_desc[128] = "\0";
+ char psz_dura[128] = "\0";
+ char psz_size[128] = "\0";
+ char psz_flag[128] = "\0";
+ if( p_box->data.p_tfhd->i_flags & MP4_TFHD_BASE_DATA_OFFSET )
+ snprintf(psz_base, sizeof(psz_base), "base offset %"PRId64, p_box->data.p_tfhd->i_base_data_offset);
+ if( p_box->data.p_tfhd->i_flags & MP4_TFHD_SAMPLE_DESC_INDEX )
+ snprintf(psz_desc, sizeof(psz_desc), "sample description index %d", p_box->data.p_tfhd->i_sample_description_index);
+ if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_DURATION )
+ snprintf(psz_dura, sizeof(psz_dura), "sample duration %d", p_box->data.p_tfhd->i_default_sample_duration);
+ if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_SIZE )
+ snprintf(psz_size, sizeof(psz_size), "sample size %d", p_box->data.p_tfhd->i_default_sample_size);
+ if( p_box->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_FLAGS )
+ snprintf(psz_flag, sizeof(psz_flag), "sample flags 0x%x", p_box->data.p_tfhd->i_default_sample_flags);
+
+ msg_Dbg( p_stream, "read box: \"tfhd\" version %d flags 0x%x track ID %d %s %s %s %s %s",
+ p_box->data.p_tfhd->i_version,
+ p_box->data.p_tfhd->i_flags,
+ p_box->data.p_tfhd->i_track_ID,
+ psz_base, psz_desc, psz_dura, psz_size, psz_flag );
+#endif
MP4_READBOX_EXIT( 1 );
}
double rotation; //angle in degrees to be rotated clockwise
double scale[2]; // scale factor; sx = scale[0] , sy = scale[1]
double translate[2];// amount to translate; tx = translate[0] , ty = translate[1]
-
+
int *matrix = p_box->data.p_tkhd->i_matrix;
-
+
translate[0] = conv_fx(matrix[6]);
translate[1] = conv_fx(matrix[7]);
-
+
scale[0] = sqrt(conv_fx(matrix[0]) * conv_fx(matrix[0]) +
conv_fx(matrix[3]) * conv_fx(matrix[3]));
scale[1] = sqrt(conv_fx(matrix[1]) * conv_fx(matrix[1]) +
conv_fx(matrix[4]) * conv_fx(matrix[4]));
-
+
rotation = atan2(conv_fx(matrix[1]) / scale[1], conv_fx(matrix[0]) / scale[0]) * 180 / M_PI;
-
+
if (rotation < 0)
rotation += 360.;
+ p_box->data.p_tkhd->f_rotation = rotation;
+
#ifdef MP4_VERBOSE
MP4_ConvertDate2Str( s_creation_time, p_box->data.p_mvhd->i_creation_time );
MP4_ConvertDate2Str( s_modification_time, p_box->data.p_mvhd->i_modification_time );
MP4_READBOX_EXIT( 1 );
}
+static int MP4_ReadBox_dvc1( stream_t *p_stream, MP4_Box_t *p_box )
+{
+ MP4_Box_data_dvc1_t *p_dvc1;
+
+ MP4_READBOX_ENTER( MP4_Box_data_dvc1_t );
+ p_dvc1 = p_box->data.p_dvc1;
+
+ MP4_GET1BYTE( p_dvc1->i_profile_level ); /* profile is on 4bits, level 3bits */
+ if( (p_dvc1->i_profile_level & 0xf0) >> 4 != 0x06 )
+ {
+ msg_Warn( p_stream, "unsupported VC-1 profile, please report" );
+ MP4_READBOX_EXIT( 0 );
+ }
+
+
+ p_dvc1->i_vc1 = p_box->i_size - 7; /* Header + profile_level */
+
+ if( p_dvc1->i_vc1 > 0 )
+ {
+ uint8_t *p = p_dvc1->p_vc1 = malloc( p_dvc1->i_vc1 );
+ if( p )
+ memcpy( p, p_peek, i_read );
+ }
+
+#ifdef MP4_VERBOSE
+ msg_Dbg( p_stream,
+ "read box: \"dvc1\" profile=%i level=%i",
+ p_dvc1->i_profile_level & 0xf0 >> 4, p_dvc1->i_profile_level & 0x0e >> 1 );
+#endif
+
+ MP4_READBOX_EXIT( 1 );
+}
+
static int MP4_ReadBox_enda( stream_t *p_stream, MP4_Box_t *p_box )
{
MP4_Box_data_enda_t *p_enda;
if( p_box->i_type == ATOM_drms )
{
- char *home = config_GetUserDir( VLC_HOME_DIR );
- if( home != NULL )
- {
- p_box->data.p_sample_soun->p_drms = drms_alloc( home );
- if( p_box->data.p_sample_soun->p_drms == NULL )
- msg_Err( p_stream, "drms_alloc() failed" );
- }
+ msg_Warn( p_stream, "DRM protected streams are not supported." );
+ MP4_READBOX_EXIT( 0 );
}
if( p_box->i_type == ATOM_samr || p_box->i_type == ATOM_sawb )
static void MP4_FreeBox_sample_soun( MP4_Box_t *p_box )
{
FREENULL( p_box->data.p_sample_soun->p_qt_description );
-
- if( p_box->i_type == ATOM_drms )
- {
- if( p_box->data.p_sample_soun->p_drms )
- {
- drms_free( p_box->data.p_sample_soun->p_drms );
- }
- }
}
if( p_box->i_type == ATOM_drmi )
{
- char *home = config_GetUserDir( VLC_HOME_DIR );
- if( home != NULL )
- {
- p_box->data.p_sample_vide->p_drms = drms_alloc( home );
- if( p_box->data.p_sample_vide->p_drms == NULL )
- msg_Err( p_stream, "drms_alloc() failed" );
- }
+ msg_Warn( p_stream, "DRM protected streams are not supported." );
+ MP4_READBOX_EXIT( 0 );
}
MP4_ReadBoxContainerRaw( p_stream, p_box );
void MP4_FreeBox_sample_vide( MP4_Box_t *p_box )
{
FREENULL( p_box->data.p_sample_vide->p_qt_image_description );
-
- if( p_box->i_type == ATOM_drmi )
- {
- if( p_box->data.p_sample_vide->p_drms )
- {
- drms_free( p_box->data.p_sample_vide->p_drms );
- }
- }
}
static int MP4_ReadBox_sample_mp4s( stream_t *p_stream, MP4_Box_t *p_box )
static int MP4_ReadBox_drms( stream_t *p_stream, MP4_Box_t *p_box )
{
- MP4_Box_t *p_drms_box = p_box;
- void *p_drms = NULL;
-
- MP4_READBOX_ENTER( uint8_t );
-
- do
- {
- p_drms_box = p_drms_box->p_father;
- } while( p_drms_box && p_drms_box->i_type != ATOM_drms
- && p_drms_box->i_type != ATOM_drmi );
-
- if( p_drms_box && p_drms_box->i_type == ATOM_drms )
- p_drms = p_drms_box->data.p_sample_soun->p_drms;
- else if( p_drms_box && p_drms_box->i_type == ATOM_drmi )
- p_drms = p_drms_box->data.p_sample_vide->p_drms;
-
- if( p_drms_box && p_drms )
- {
- int i_ret = drms_init( p_drms, p_box->i_type, p_peek, i_read );
- if( i_ret )
- {
- const char *psz_error;
-
- switch( i_ret )
- {
- case -1: psz_error = "unimplemented"; break;
- case -2: psz_error = "invalid argument"; break;
- case -3: psz_error = "could not get system key"; break;
- case -4: psz_error = "could not get SCI data"; break;
- case -5: psz_error = "no user key found in SCI data"; break;
- case -6: psz_error = "invalid user key"; break;
- default: psz_error = "unknown error"; break;
- }
- if MP4_BOX_TYPE_ASCII()
- msg_Err( p_stream, "drms_init(%4.4s) failed (%s)",
- (char *)&p_box->i_type, psz_error );
- else
- msg_Err( p_stream, "drms_init(c%3.3s) failed (%s)",
- (char *)&p_box->i_type+1, psz_error );
-
- drms_free( p_drms );
-
- if( p_drms_box->i_type == ATOM_drms )
- p_drms_box->data.p_sample_soun->p_drms = NULL;
- else if( p_drms_box->i_type == ATOM_drmi )
- p_drms_box->data.p_sample_vide->p_drms = NULL;
- }
- }
-
- MP4_READBOX_EXIT( 1 );
+ /* ATOMs 'user', 'key', 'iviv', and 'priv' will be skipped,
+ * so unless data decrypt itself by magic, there will be no playback,
+ * but we never know... */
+ msg_Warn( p_stream, "DRM protected streams are not supported." );
+ return 1;
}
static int MP4_ReadBox_name( stream_t *p_stream, MP4_Box_t *p_box )
{ ATOM_cmvd, MP4_ReadBox_cmvd, MP4_FreeBox_cmvd },
{ ATOM_avcC, MP4_ReadBox_avcC, MP4_FreeBox_avcC },
{ ATOM_dac3, MP4_ReadBox_dac3, MP4_FreeBox_Common },
+ { ATOM_dvc1, MP4_ReadBox_dvc1, MP4_FreeBox_Common },
{ ATOM_enda, MP4_ReadBox_enda, MP4_FreeBox_Common },
{ ATOM_gnre, MP4_ReadBox_gnre, MP4_FreeBox_Common },
{ ATOM_trkn, MP4_ReadBox_trkn, MP4_FreeBox_Common },
{ ATOM_sdtp, MP4_ReadBox_sdtp, MP4_FreeBox_sdtp },
{ ATOM_tfra, MP4_ReadBox_tfra, MP4_FreeBox_tfra },
{ ATOM_mfro, MP4_ReadBox_mfro, MP4_FreeBox_Common },
+ { ATOM_uuid, MP4_ReadBox_uuid, MP4_FreeBox_uuid },
/* Last entry */
{ 0, MP4_ReadBox_default, NULL }
free( p_box );
}
+MP4_Box_t *MP4_BoxGetInitFrag( stream_t *s )
+{
+ /* p_chunk is a virtual root container for the ftyp and moov boxes */
+ MP4_Box_t *p_chunk;
+ MP4_Box_t *p_ftyp;
+ MP4_Box_t *p_moov;
+
+ p_chunk = calloc( 1, sizeof( MP4_Box_t ) );
+ if( unlikely( p_chunk == NULL ) )
+ return NULL;
+
+ p_chunk->i_type = ATOM_root;
+ p_chunk->i_shortsize = 1;
+
+ p_ftyp = MP4_ReadBox( s, p_chunk );
+ if( !p_ftyp )
+ {
+ msg_Warn( s, "no ftyp box found!");
+ goto error;
+ }
+
+ /* there may be some boxes between ftyp and moov,
+ * we skip them, but put a reasonable limit */
+#define MAX_SKIP 8
+ for( int i = 0 ; i < MAX_SKIP; i++ )
+ {
+ p_moov = MP4_ReadBox( s, p_chunk );
+ if( !p_moov )
+ goto error;
+ if( p_moov->i_type != ATOM_moov )
+ {
+ if( i == MAX_SKIP - 1 )
+ return NULL;
+ stream_Read( s, NULL, p_moov->i_size );
+ MP4_BoxFree( s, p_moov );
+ }
+ else
+ break;
+ }
+
+ p_chunk->p_first = p_ftyp;
+ p_ftyp->p_next = p_moov;
+ p_chunk->p_last = p_moov;
+
+ return p_chunk;
+
+error:
+ free( p_chunk );
+ return NULL;
+}
+
+MP4_Box_t *MP4_BoxGetNextChunk( stream_t *s )
+{
+ /* p_chunk is a virtual root container for the moof and mdat boxes */
+ MP4_Box_t *p_chunk;
+ MP4_Box_t *p_moof = NULL;
+ MP4_Box_t *p_sidx = NULL;
+
+ p_chunk = calloc( 1, sizeof( MP4_Box_t ) );
+ if( unlikely( p_chunk == NULL ) )
+ return NULL;
+
+ p_chunk->i_type = ATOM_root;
+ p_chunk->i_shortsize = 1;
+
+ /* there may be some boxes before moof,
+ * we skip them (but sidx) for now, but put a reasonable limit */
+ for( int i = 0 ; i < MAX_SKIP; i++ )
+ {
+ p_moof = MP4_ReadBox( s, p_chunk );
+ if( !p_moof )
+ goto error;
+ if( p_moof->i_type != ATOM_moof )
+ {
+ if( i == MAX_SKIP - 1 )
+ {
+ MP4_BoxFree( s, p_moof );
+ goto error;
+ }
+ if( p_moof->i_type != ATOM_sidx )
+ {
+ MP4_BoxFree( s, p_moof );
+ stream_Read( s, NULL, p_moof->i_size );
+ }
+ else
+ p_sidx = p_moof;
+ }
+ else
+ break;
+ }
+
+ p_chunk->p_first = p_moof;
+ p_chunk->p_last = p_moof;
+
+ if( p_sidx )
+ {
+ p_chunk->p_first = p_sidx;
+ p_sidx->p_next = p_moof;
+ }
+
+ return p_chunk;
+
+error:
+ free( p_chunk );
+ return NULL;
+}
+
+#undef MAX_SKIP
+
/*****************************************************************************
* MP4_BoxGetRoot : Parse the entire file, and create all boxes in memory
*****************************************************************************
{
i_len = 1;
}
- *ppsz_token = xmalloc( i_len + 1 );
-
- memcpy( *ppsz_token, *ppsz_path, i_len );
-
- (*ppsz_token)[i_len] = '\0';
+ *ppsz_token = strndup( *ppsz_path, i_len );
+ if( unlikely(!*ppsz_token) )
+ abort();
*ppsz_path += i_len;
projects / vlc / blobdiff