#endif
#include <vlc_common.h>
-#include <vlc_demux.h>
+#include <vlc_stream.h> /* stream_Peek*/
#ifdef HAVE_ZLIB_H
# include <zlib.h> /* for compressed moov */
#endif
#include "libmp4.h"
-#include "drms.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 )\
- { \
- 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)
-
+#include <math.h>
/* 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 uint32_t Get24bBE( const uint8_t *p )
-{
- return( ( p[0] <<16 ) + ( p[1] <<8 ) + p[2] );
-}
-static 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;
+ fp /= 65536.;
+ return fp;
}
/* some functions for mp4 encoding of variables */
if( ( p_box->data.p_ftyp->i_compatible_brands_count = i_read / 4 ) )
{
- unsigned int i;
uint32_t *tab = p_box->data.p_ftyp->i_compatible_brands =
calloc( p_box->data.p_ftyp->i_compatible_brands_count,
sizeof(uint32_t));
- if( tab == NULL )
+ if( unlikely( tab == NULL ) )
MP4_READBOX_EXIT( 0 );
- for( i =0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
+ for( unsigned i = 0; i < p_box->data.p_ftyp->i_compatible_brands_count; i++ )
{
MP4_GETFOURCC( tab[i] );
}
static int MP4_ReadBox_mvhd( stream_t *p_stream, MP4_Box_t *p_box )
{
- unsigned int i;
#ifdef MP4_VERBOSE
char s_creation_time[128];
char s_modification_time[128];
MP4_GET2BYTES( p_box->data.p_mvhd->i_reserved1 );
- for( i = 0; i < 2; i++ )
+ for( unsigned i = 0; i < 2; i++ )
{
MP4_GET4BYTES( p_box->data.p_mvhd->i_reserved2[i] );
}
- for( i = 0; i < 9; i++ )
+ for( unsigned i = 0; i < 9; i++ )
{
MP4_GET4BYTES( p_box->data.p_mvhd->i_matrix[i] );
}
- for( i = 0; i < 6; i++ )
+ for( unsigned i = 0; i < 6; i++ )
{
MP4_GET4BYTES( p_box->data.p_mvhd->i_predefined[i] );
}
{
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_Box_data_sidx_t *p_sidx_data = p_box->data.p_sidx;
+ MP4_GETVERSIONFLAGS( p_sidx_data );
+
+ MP4_GET4BYTES( p_sidx_data->i_reference_ID );
+ MP4_GET4BYTES( p_sidx_data->i_timescale );
+
+ if( p_sidx_data->i_version == 0 )
+ {
+ MP4_GET4BYTES( p_sidx_data->i_earliest_presentation_time );
+ MP4_GET4BYTES( p_sidx_data->i_first_offset );
+ }
+ else
+ {
+ MP4_GET8BYTES( p_sidx_data->i_earliest_presentation_time );
+ MP4_GET8BYTES( p_sidx_data->i_first_offset );
+ }
+
+ uint16_t i_reserved;
+ MP4_GET2BYTES( i_reserved );
+ MP4_GET2BYTES( p_sidx_data->i_reference_count );
+ uint16_t i_count = p_sidx_data->i_reference_count;
+
+ p_sidx_data->p_items = calloc( i_count, sizeof( MP4_Box_sidx_item_t ) );
+ uint32_t tmp;
+ for( unsigned i = 0; i < i_count; i++ )
+ {
+ MP4_GET4BYTES( tmp );
+ p_sidx_data->p_items[i].b_reference_type = (bool)((tmp & 0x80000000)>>24);
+ p_sidx_data->p_items[i].i_referenced_size = tmp & 0x7fffffff;
+ MP4_GET4BYTES( p_sidx_data->p_items[i].i_subsegment_duration );
+
+ MP4_GET4BYTES( tmp );
+ p_sidx_data->p_items[i].b_starts_with_SAP = (bool)((tmp & 0x80000000)>>24);
+ p_sidx_data->p_items[i].i_SAP_type = (tmp & 0x70000000)>>24;
+ p_sidx_data->p_items[i].i_SAP_delta_time = tmp & 0xfffffff;
+ }
+
+#ifdef MP4_VERBOSE
+ msg_Dbg( p_stream, "read box: \"sidx\" version %d, flags 0x%x, "\
+ "ref_ID %"PRIu32", timescale %"PRIu32", ref_count %"PRIu16", "\
+ "first subsegmt duration %"PRIu32,
+ p_sidx_data->i_version,
+ p_sidx_data->i_flags,
+ p_sidx_data->i_reference_ID,
+ p_sidx_data->i_timescale,
+ p_sidx_data->i_reference_count,
+ p_sidx_data->p_items[0].i_subsegment_duration
+ );
+#endif
+
+ MP4_READBOX_EXIT( 1 );
+}
+
+static void MP4_FreeBox_sidx( MP4_Box_t *p_box )
+{
+ FREENULL( p_box->data.p_sidx->p_items );
+}
+
static int MP4_ReadBox_tfhd( stream_t *p_stream, MP4_Box_t *p_box )
{
MP4_READBOX_ENTER( MP4_Box_data_tfhd_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 );
}
MP4_GET4BYTES( p_box->data.p_trun->i_sample_count );
if( p_box->data.p_trun->i_flags & MP4_TRUN_DATA_OFFSET )
- MP4_GET8BYTES( p_box->data.p_trun->i_data_offset );
+ MP4_GET4BYTES( p_box->data.p_trun->i_data_offset );
if( p_box->data.p_trun->i_flags & MP4_TRUN_FIRST_FLAGS )
MP4_GET4BYTES( p_box->data.p_trun->i_first_sample_flags );
}
-
static int MP4_ReadBox_tkhd( stream_t *p_stream, MP4_Box_t *p_box )
{
- unsigned int i;
#ifdef MP4_VERBOSE
char s_creation_time[128];
char s_modification_time[128];
MP4_GET4BYTES( p_box->data.p_tkhd->i_duration );
}
- for( i = 0; i < 2; i++ )
+ for( unsigned i = 0; i < 2; i++ )
{
MP4_GET4BYTES( p_box->data.p_tkhd->i_reserved2[i] );
}
MP4_GET2BYTES( p_box->data.p_tkhd->i_volume );
MP4_GET2BYTES( p_box->data.p_tkhd->i_reserved3 );
- for( i = 0; i < 9; i++ )
+ for( unsigned i = 0; i < 9; i++ )
{
MP4_GET4BYTES( p_box->data.p_tkhd->i_matrix[i] );
}
MP4_GET4BYTES( p_box->data.p_tkhd->i_width );
MP4_GET4BYTES( p_box->data.p_tkhd->i_height );
+ 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_ConvertDate2Str( s_duration, p_box->data.p_mvhd->i_duration );
- msg_Dbg( p_stream, "read box: \"tkhd\" creation %s modification %s duration %s track ID %d layer %d volume %f width %f height %f",
+ msg_Dbg( p_stream, "read box: \"tkhd\" creation %s modification %s duration %s track ID %d layer %d volume %f rotation %f scaleX %f scaleY %f translateX %f translateY %f width %f height %f. "
+ "Matrix: %i %i %i %i %i %i %i %i %i",
s_creation_time,
s_modification_time,
s_duration,
p_box->data.p_tkhd->i_track_ID,
p_box->data.p_tkhd->i_layer,
(float)p_box->data.p_tkhd->i_volume / 256 ,
+ rotation,
+ scale[0],
+ scale[1],
+ translate[0],
+ translate[1],
(float)p_box->data.p_tkhd->i_width / 65536,
- (float)p_box->data.p_tkhd->i_height / 65536 );
+ (float)p_box->data.p_tkhd->i_height / 65536,
+ p_box->data.p_tkhd->i_matrix[0],
+ p_box->data.p_tkhd->i_matrix[1],
+ p_box->data.p_tkhd->i_matrix[2],
+ p_box->data.p_tkhd->i_matrix[3],
+ p_box->data.p_tkhd->i_matrix[4],
+ p_box->data.p_tkhd->i_matrix[5],
+ p_box->data.p_tkhd->i_matrix[6],
+ p_box->data.p_tkhd->i_matrix[7],
+ p_box->data.p_tkhd->i_matrix[8] );
#endif
MP4_READBOX_EXIT( 1 );
}
static int MP4_ReadBox_mdhd( stream_t *p_stream, MP4_Box_t *p_box )
{
- unsigned int i;
uint16_t i_language;
#ifdef MP4_VERBOSE
char s_creation_time[128];
MP4_GET4BYTES( p_box->data.p_mdhd->i_duration );
}
p_box->data.p_mdhd->i_language_code = i_language = GetWBE( p_peek );
- for( i = 0; i < 3; i++ )
+ for( unsigned i = 0; i < 3; i++ )
{
p_box->data.p_mdhd->i_language[i] =
( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
if( i_read > 0 )
{
uint8_t *psz = p_box->data.p_hdlr->psz_name = malloc( i_read + 1 );
- if( psz == NULL )
+ if( unlikely( psz == NULL ) )
MP4_READBOX_EXIT( 0 );
/* Yes, I love .mp4 :( */
static int MP4_ReadBox_vmhd( stream_t *p_stream, MP4_Box_t *p_box )
{
- unsigned int i;
-
MP4_READBOX_ENTER( MP4_Box_data_vmhd_t );
MP4_GETVERSIONFLAGS( p_box->data.p_vmhd );
MP4_GET2BYTES( p_box->data.p_vmhd->i_graphics_mode );
- for( i = 0; i < 3; i++ )
+ for( unsigned i = 0; i < 3; i++ )
{
MP4_GET2BYTES( p_box->data.p_vmhd->i_opcolor[i] );
}
static int MP4_ReadBox_stts( stream_t *p_stream, MP4_Box_t *p_box )
{
- unsigned int i;
MP4_READBOX_ENTER( MP4_Box_data_stts_t );
MP4_GETVERSIONFLAGS( p_box->data.p_stts );
MP4_READBOX_EXIT( 0 );
}
- for( i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
+ for( unsigned int i = 0; (i < p_box->data.p_stts->i_entry_count )&&( i_read >=8 ); i++ )
{
MP4_GET4BYTES( p_box->data.p_stts->i_sample_count[i] );
MP4_GET4BYTES( p_box->data.p_stts->i_sample_delta[i] );
static int MP4_ReadBox_ctts( stream_t *p_stream, MP4_Box_t *p_box )
{
- unsigned int i;
MP4_READBOX_ENTER( MP4_Box_data_ctts_t );
MP4_GETVERSIONFLAGS( p_box->data.p_ctts );
MP4_READBOX_EXIT( 0 );
}
- for( i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
+ for( unsigned int i = 0; (i < p_box->data.p_ctts->i_entry_count )&&( i_read >=8 ); i++ )
{
MP4_GET4BYTES( p_box->data.p_ctts->i_sample_count[i] );
MP4_GET4BYTES( p_box->data.p_ctts->i_sample_offset[i] );
es_descriptor.p_decConfigDescr =
calloc( 1, sizeof( MP4_descriptor_decoder_config_t ));
- if( es_descriptor.p_decConfigDescr == NULL )
+ if( unlikely( es_descriptor.p_decConfigDescr == NULL ) )
MP4_READBOX_EXIT( 0 );
MP4_GET1BYTE( es_descriptor.p_decConfigDescr->i_objectTypeIndication );
es_descriptor.p_decConfigDescr->i_decoder_specific_info_len = i_len;
es_descriptor.p_decConfigDescr->p_decoder_specific_info = malloc( i_len );
- if( es_descriptor.p_decConfigDescr->p_decoder_specific_info == NULL )
+ if( unlikely( es_descriptor.p_decConfigDescr->p_decoder_specific_info == NULL ) )
MP4_READBOX_EXIT( 0 );
memcpy( es_descriptor.p_decConfigDescr->p_decoder_specific_info,
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;
static int MP4_ReadBox_sample_soun( stream_t *p_stream, MP4_Box_t *p_box )
{
- unsigned int i;
-
MP4_READBOX_ENTER( MP4_Box_data_sample_soun_t );
p_box->data.p_sample_soun->p_qt_description = NULL;
MP4_READBOX_EXIT( 1 );
}
- for( i = 0; i < 6 ; i++ )
+ for( unsigned i = 0; i < 6 ; i++ )
{
MP4_GET1BYTE( p_box->data.p_sample_soun->i_reserved1[i] );
}
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 );
- }
- }
}
int MP4_ReadBox_sample_vide( stream_t *p_stream, MP4_Box_t *p_box )
{
- unsigned int i;
-
MP4_READBOX_ENTER( MP4_Box_data_sample_vide_t );
- for( i = 0; i < 6 ; i++ )
+ for( unsigned i = 0; i < 6 ; i++ )
{
MP4_GET1BYTE( p_box->data.p_sample_vide->i_reserved1[i] );
}
if( i_read > 0 )
{
p_box->data.p_sample_vide->p_qt_image_description = malloc( i_read );
- if( p_box->data.p_sample_vide->p_qt_image_description == NULL )
+ if( unlikely( p_box->data.p_sample_vide->p_qt_image_description == NULL ) )
MP4_READBOX_EXIT( 0 );
p_box->data.p_sample_vide->i_qt_image_description = i_read;
memcpy( p_box->data.p_sample_vide->p_qt_image_description,
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_stsz( stream_t *p_stream, MP4_Box_t *p_box )
{
- unsigned int i;
-
MP4_READBOX_ENTER( MP4_Box_data_stsz_t );
MP4_GETVERSIONFLAGS( p_box->data.p_stsz );
MP4_GET4BYTES( p_box->data.p_stsz->i_sample_size );
-
MP4_GET4BYTES( p_box->data.p_stsz->i_sample_count );
- p_box->data.p_stsz->i_entry_size =
- calloc( p_box->data.p_stsz->i_sample_count, sizeof(uint32_t) );
- if( p_box->data.p_stsz->i_entry_size == NULL )
- MP4_READBOX_EXIT( 0 );
-
- if( !p_box->data.p_stsz->i_sample_size )
+ if( p_box->data.p_stsz->i_sample_size == 0 )
{
- for( i=0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
+ p_box->data.p_stsz->i_entry_size =
+ calloc( p_box->data.p_stsz->i_sample_count, sizeof(uint32_t) );
+ if( unlikely( !p_box->data.p_stsz->i_entry_size ) )
+ MP4_READBOX_EXIT( 0 );
+
+ for( unsigned int i = 0; (i<p_box->data.p_stsz->i_sample_count)&&(i_read >= 4 ); i++ )
{
MP4_GET4BYTES( p_box->data.p_stsz->i_entry_size[i] );
}
}
+ else
+ p_box->data.p_stsz->i_entry_size = NULL;
#ifdef MP4_VERBOSE
msg_Dbg( p_stream, "read box: \"stsz\" sample-size %d sample-count %d",
static int MP4_ReadBox_stsc( stream_t *p_stream, MP4_Box_t *p_box )
{
- unsigned int i;
-
MP4_READBOX_ENTER( MP4_Box_data_stsc_t );
MP4_GETVERSIONFLAGS( p_box->data.p_stsc );
calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
p_box->data.p_stsc->i_sample_description_index =
calloc( p_box->data.p_stsc->i_entry_count, sizeof(uint32_t) );
- if( p_box->data.p_stsc->i_first_chunk == NULL
+ if( unlikely( p_box->data.p_stsc->i_first_chunk == NULL
|| p_box->data.p_stsc->i_samples_per_chunk == NULL
- || p_box->data.p_stsc->i_sample_description_index == NULL )
+ || p_box->data.p_stsc->i_sample_description_index == NULL ) )
{
MP4_READBOX_EXIT( 0 );
}
- for( i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
+ for( unsigned int i = 0; (i < p_box->data.p_stsc->i_entry_count )&&( i_read >= 12 );i++ )
{
MP4_GET4BYTES( p_box->data.p_stsc->i_first_chunk[i] );
MP4_GET4BYTES( p_box->data.p_stsc->i_samples_per_chunk[i] );
static int MP4_ReadBox_stco_co64( stream_t *p_stream, MP4_Box_t *p_box )
{
- unsigned int i;
-
MP4_READBOX_ENTER( MP4_Box_data_co64_t );
MP4_GETVERSIONFLAGS( p_box->data.p_co64 );
if( p_box->data.p_co64->i_chunk_offset == NULL )
MP4_READBOX_EXIT( 0 );
- for( i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
+ for( unsigned int i = 0; i < p_box->data.p_co64->i_entry_count; i++ )
{
if( p_box->i_type == ATOM_stco )
{
static int MP4_ReadBox_stss( stream_t *p_stream, MP4_Box_t *p_box )
{
- unsigned int i;
-
MP4_READBOX_ENTER( MP4_Box_data_stss_t );
MP4_GETVERSIONFLAGS( p_box->data.p_stss );
p_box->data.p_stss->i_sample_number =
calloc( p_box->data.p_stss->i_entry_count, sizeof(uint32_t) );
- if( p_box->data.p_stss->i_sample_number == NULL )
+ if( unlikely( p_box->data.p_stss->i_sample_number == NULL ) )
MP4_READBOX_EXIT( 0 );
- for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
+ for( unsigned int i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 4 ); i++ )
{
MP4_GET4BYTES( p_box->data.p_stss->i_sample_number[i] );
static int MP4_ReadBox_stsh( stream_t *p_stream, MP4_Box_t *p_box )
{
- unsigned int i;
-
MP4_READBOX_ENTER( MP4_Box_data_stsh_t );
MP4_GETVERSIONFLAGS( p_box->data.p_stsh );
MP4_READBOX_EXIT( 0 );
}
- for( i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
+ for( unsigned i = 0; (i < p_box->data.p_stss->i_entry_count )&&( i_read >= 8 ); i++ )
{
-
MP4_GET4BYTES( p_box->data.p_stsh->i_shadowed_sample_number[i] );
MP4_GET4BYTES( p_box->data.p_stsh->i_sync_sample_number[i] );
}
static int MP4_ReadBox_stdp( stream_t *p_stream, MP4_Box_t *p_box )
{
- unsigned int i;
-
MP4_READBOX_ENTER( MP4_Box_data_stdp_t );
MP4_GETVERSIONFLAGS( p_box->data.p_stdp );
p_box->data.p_stdp->i_priority =
calloc( i_read / 2, sizeof(uint16_t) );
- for( i = 0; i < i_read / 2 ; i++ )
- {
+ if( unlikely( !p_box->data.p_stdp->i_priority ) )
+ MP4_READBOX_EXIT( 0 );
+ for( unsigned i = 0; i < i_read / 2 ; i++ )
+ {
MP4_GET2BYTES( p_box->data.p_stdp->i_priority[i] );
}
static int MP4_ReadBox_padb( stream_t *p_stream, MP4_Box_t *p_box )
{
- unsigned int i;
uint32_t count;
MP4_READBOX_ENTER( MP4_Box_data_padb_t );
MP4_READBOX_EXIT( 0 );
}
- for( i = 0; i < i_read / 2 ; i++ )
+ for( unsigned int i = 0; i < i_read / 2 ; i++ )
{
if( i >= count )
{
static int MP4_ReadBox_elst( stream_t *p_stream, MP4_Box_t *p_box )
{
- unsigned int i;
-
MP4_READBOX_ENTER( MP4_Box_data_elst_t );
MP4_GETVERSIONFLAGS( p_box->data.p_elst );
}
- for( i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
+ for( unsigned i = 0; i < p_box->data.p_elst->i_entry_count; i++ )
{
if( p_box->data.p_elst->i_version == 1 )
{
static int MP4_ReadBox_cprt( stream_t *p_stream, MP4_Box_t *p_box )
{
unsigned int i_language;
- unsigned int i;
MP4_READBOX_ENTER( MP4_Box_data_cprt_t );
MP4_GETVERSIONFLAGS( p_box->data.p_cprt );
i_language = GetWBE( p_peek );
- for( i = 0; i < 3; i++ )
+ for( unsigned i = 0; i < 3; i++ )
{
p_box->data.p_cprt->i_language[i] =
( ( i_language >> ( (2-i)*5 ) )&0x1f ) + 0x60;
p_box->data.p_cmvd->i_compressed_size = i_read;
if( !( p_box->data.p_cmvd->p_data = malloc( i_read ) ) )
- return( 1 );
+ MP4_READBOX_EXIT( 0 );
/* now copy compressed data */
- memcpy( p_box->data.p_cmvd->p_data,
- p_peek,
- i_read);
+ memcpy( p_box->data.p_cmvd->p_data, p_peek,i_read);
p_box->data.p_cmvd->b_compressed = 1;
int i_result;
#endif
- if( !( p_box->data.p_cmov = malloc( sizeof( MP4_Box_data_cmov_t ) ) ) )
+ if( !( p_box->data.p_cmov = calloc(1, sizeof( MP4_Box_data_cmov_t ) ) ) )
return 0;
- memset( p_box->data.p_cmov, 0, sizeof( MP4_Box_data_cmov_t ) );
if( !p_box->p_father ||
( p_box->p_father->i_type != ATOM_moov &&
if( i_len > 0 )
{
- uint32_t i;
p_box->data.p_rdrf->psz_ref = malloc( i_len );
if( p_box->data.p_rdrf->psz_ref == NULL )
MP4_READBOX_EXIT( 0 );
i_len--;
- for( i = 0; i < i_len; i++ )
+ for( unsigned i = 0; i < i_len; i++ )
{
MP4_GET1BYTE( p_box->data.p_rdrf->psz_ref[i] );
}
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 )
static void MP4_FreeBox_chpl( MP4_Box_t *p_box )
{
MP4_Box_data_chpl_t *p_chpl = p_box->data.p_chpl;
- int i;
- for( i = 0; i < p_chpl->i_chapter; i++ )
+ for( unsigned i = 0; i < p_chpl->i_chapter; i++ )
free( p_chpl->chapter[i].psz_name );
}
p_chpl->chapter[i].psz_name = malloc( i_len + 1 );
if( !p_chpl->chapter[i].psz_name )
- goto error;
+ MP4_READBOX_EXIT( 0 );
i_copy = __MIN( i_len, i_read );
if( i_copy > 0 )
p_chpl->i_chapter );
#endif
MP4_READBOX_EXIT( 1 );
-
-error:
- MP4_READBOX_EXIT( 0 );
}
static int MP4_ReadBox_tref_generic( stream_t *p_stream, MP4_Box_t *p_box )
{
- unsigned int i;
MP4_READBOX_ENTER( MP4_Box_data_tref_generic_t );
p_box->data.p_tref_generic->i_track_ID = NULL;
if( p_box->data.p_tref_generic->i_track_ID == NULL )
MP4_READBOX_EXIT( 0 );
- for( i = 0; i < p_box->data.p_tref_generic->i_entry_count; i++ )
+ for( unsigned i = 0; i < p_box->data.p_tref_generic->i_entry_count; i++ )
{
MP4_GET4BYTES( p_box->data.p_tref_generic->i_track_ID[i] );
}
MP4_READBOX_EXIT( 1 );
}
+static int MP4_ReadBox_pasp( stream_t *p_stream, MP4_Box_t *p_box )
+{
+ MP4_READBOX_ENTER( MP4_Box_data_pasp_t );
+
+ MP4_GET4BYTES( p_box->data.p_pasp->i_horizontal_spacing );
+ MP4_GET4BYTES( p_box->data.p_pasp->i_vertical_spacing );
+
+#ifdef MP4_VERBOSE
+ msg_Dbg( p_stream,
+ "read box: \"paps\" %dx%d",
+ p_box->data.p_pasp->i_horizontal_spacing,
+ p_box->data.p_pasp->i_vertical_spacing);
+#endif
+
+ MP4_READBOX_EXIT( 1 );
+}
+
+static int MP4_ReadBox_mehd( stream_t *p_stream, MP4_Box_t *p_box )
+{
+ MP4_READBOX_ENTER( MP4_Box_data_mehd_t );
+
+ MP4_GETVERSIONFLAGS( p_box->data.p_mehd );
+ if( p_box->data.p_mehd->i_version == 1 )
+ MP4_GET8BYTES( p_box->data.p_mehd->i_fragment_duration );
+ else /* version == 0 */
+ MP4_GET4BYTES( p_box->data.p_mehd->i_fragment_duration );
+
+#ifdef MP4_VERBOSE
+ msg_Dbg( p_stream,
+ "read box: \"mehd\" frag dur. %"PRIu64"",
+ p_box->data.p_mehd->i_fragment_duration );
+#endif
+
+ MP4_READBOX_EXIT( 1 );
+}
+
+static int MP4_ReadBox_trex( stream_t *p_stream, MP4_Box_t *p_box )
+{
+ MP4_READBOX_ENTER( MP4_Box_data_trex_t );
+ MP4_GETVERSIONFLAGS( p_box->data.p_trex );
+
+ MP4_GET4BYTES( p_box->data.p_trex->i_track_ID );
+ MP4_GET4BYTES( p_box->data.p_trex->i_default_sample_description_index );
+ MP4_GET4BYTES( p_box->data.p_trex->i_default_sample_duration );
+ MP4_GET4BYTES( p_box->data.p_trex->i_default_sample_size );
+ MP4_GET4BYTES( p_box->data.p_trex->i_default_sample_flags );
+
+#ifdef MP4_VERBOSE
+ msg_Dbg( p_stream,
+ "read box: \"trex\" trackID: %"PRIu32"",
+ p_box->data.p_trex->i_track_ID );
+#endif
+
+ MP4_READBOX_EXIT( 1 );
+}
+
+static int MP4_ReadBox_sdtp( stream_t *p_stream, MP4_Box_t *p_box )
+{
+ uint32_t i_sample_count;
+ MP4_READBOX_ENTER( MP4_Box_data_sdtp_t );
+ MP4_Box_data_sdtp_t *p_sdtp = p_box->data.p_sdtp;
+ MP4_GETVERSIONFLAGS( p_box->data.p_sdtp );
+ i_sample_count = i_read;
+
+ p_sdtp->p_sample_table = calloc( i_sample_count, 1 );
+
+ if( !p_sdtp->p_sample_table )
+ MP4_READBOX_EXIT( 0 );
+
+ for( uint32_t i = 0; i < i_sample_count; i++ )
+ MP4_GET1BYTE( p_sdtp->p_sample_table[i] );
+
+#ifdef MP4_VERBOSE
+ msg_Info( p_stream, "i_sample_count is %"PRIu32"", i_sample_count );
+ msg_Dbg( p_stream,
+ "read box: \"sdtp\" head: %"PRIx8" %"PRIx8" %"PRIx8" %"PRIx8"",
+ p_sdtp->p_sample_table[0],
+ p_sdtp->p_sample_table[1],
+ p_sdtp->p_sample_table[2],
+ p_sdtp->p_sample_table[3] );
+#endif
+
+ MP4_READBOX_EXIT( 1 );
+}
+
+static void MP4_FreeBox_sdtp( MP4_Box_t *p_box )
+{
+ FREENULL( p_box->data.p_sdtp->p_sample_table );
+}
+
+static int MP4_ReadBox_mfro( stream_t *p_stream, MP4_Box_t *p_box )
+{
+ MP4_READBOX_ENTER( MP4_Box_data_mfro_t );
+
+ MP4_GETVERSIONFLAGS( p_box->data.p_mfro );
+ MP4_GET4BYTES( p_box->data.p_mfro->i_size );
+
+#ifdef MP4_VERBOSE
+ msg_Dbg( p_stream,
+ "read box: \"mfro\" size: %"PRIu32"",
+ p_box->data.p_mfro->i_size);
+#endif
+
+ MP4_READBOX_EXIT( 1 );
+}
+
+static int MP4_ReadBox_tfra( stream_t *p_stream, MP4_Box_t *p_box )
+{
+ uint32_t i_number_of_entries;
+ MP4_READBOX_ENTER( MP4_Box_data_tfra_t );
+ MP4_Box_data_tfra_t *p_tfra = p_box->data.p_tfra;
+ MP4_GETVERSIONFLAGS( p_box->data.p_tfra );
+
+ MP4_GET4BYTES( p_tfra->i_track_ID );
+ uint32_t i_lengths = 0;
+ MP4_GET4BYTES( i_lengths );
+ MP4_GET4BYTES( p_tfra->i_number_of_entries );
+ i_number_of_entries = p_tfra->i_number_of_entries;
+ p_tfra->i_length_size_of_traf_num = i_lengths >> 4;
+ p_tfra->i_length_size_of_trun_num = ( i_lengths & 0x0c ) >> 2;
+ p_tfra->i_length_size_of_sample_num = i_lengths & 0x03;
+
+ size_t size = 4 + 4*p_tfra->i_version; /* size in {4, 8} */
+ p_tfra->p_time = calloc( i_number_of_entries, size );
+ p_tfra->p_moof_offset = calloc( i_number_of_entries, size );
+
+ size = 1 + p_tfra->i_length_size_of_traf_num; /* size in [|1, 4|] */
+ p_tfra->p_traf_number = calloc( i_number_of_entries, size );
+ size = 1 + p_tfra->i_length_size_of_trun_num;
+ p_tfra->p_trun_number = calloc( i_number_of_entries, size );
+ size = 1 + p_tfra->i_length_size_of_sample_num;
+ p_tfra->p_sample_number = calloc( i_number_of_entries, size );
+
+ if( !p_tfra->p_time || !p_tfra->p_moof_offset || !p_tfra->p_traf_number
+ || !p_tfra->p_trun_number || !p_tfra->p_sample_number )
+ goto error;
+
+ for( uint32_t i = 0; i < i_number_of_entries; i++ )
+ {
+ if( p_tfra->i_version == 1 )
+ {
+ MP4_GET8BYTES( p_tfra->p_time[i*2] );
+ MP4_GET8BYTES( p_tfra->p_moof_offset[i*2] );
+ }
+ else
+ {
+ MP4_GET4BYTES( p_tfra->p_time[i] );
+ MP4_GET4BYTES( p_tfra->p_moof_offset[i] );
+ }
+ switch (p_tfra->i_length_size_of_traf_num)
+ {
+ case 0:
+ MP4_GET1BYTE( p_tfra->p_traf_number[i] );
+ break;
+ case 1:
+ MP4_GET2BYTES( p_tfra->p_traf_number[i*2] );
+ break;
+ case 2:
+ MP4_GET3BYTES( p_tfra->p_traf_number[i*3] );
+ break;
+ case 3:
+ MP4_GET4BYTES( p_tfra->p_traf_number[i*4] );
+ break;
+ default:
+ goto error;
+ }
+
+ switch (p_tfra->i_length_size_of_trun_num)
+ {
+ case 0:
+ MP4_GET1BYTE( p_tfra->p_trun_number[i] );
+ break;
+ case 1:
+ MP4_GET2BYTES( p_tfra->p_trun_number[i*2] );
+ break;
+ case 2:
+ MP4_GET3BYTES( p_tfra->p_trun_number[i*3] );
+ break;
+ case 3:
+ MP4_GET4BYTES( p_tfra->p_trun_number[i*4] );
+ break;
+ default:
+ goto error;
+ }
+
+ switch (p_tfra->i_length_size_of_sample_num)
+ {
+ case 0:
+ MP4_GET1BYTE( p_tfra->p_sample_number[i] );
+ break;
+ case 1:
+ MP4_GET2BYTES( p_tfra->p_sample_number[i*2] );
+ break;
+ case 2:
+ MP4_GET3BYTES( p_tfra->p_sample_number[i*3] );
+ break;
+ case 3:
+ MP4_GET4BYTES( p_tfra->p_sample_number[i*4] );
+ break;
+ default:
+ goto error;
+ }
+ }
+
+#ifdef MP4_VERBOSE
+ if( p_tfra->i_version == 0 )
+ {
+ msg_Dbg( p_stream, "time[0]: %"PRIu32", moof_offset[0]: %"PRIx32"",
+ p_tfra->p_time[0], p_tfra->p_moof_offset[0] );
+
+ msg_Dbg( p_stream, "time[1]: %"PRIu32", moof_offset[1]: %"PRIx32"",
+ p_tfra->p_time[1], p_tfra->p_moof_offset[1] );
+ }
+ else
+ {
+ msg_Dbg( p_stream, "time[0]: %"PRIu64", moof_offset[0]: %"PRIx64"",
+ ((uint64_t *)(p_tfra->p_time))[0],
+ ((uint64_t *)(p_tfra->p_moof_offset))[0] );
+
+ msg_Dbg( p_stream, "time[1]: %"PRIu64", moof_offset[1]: %"PRIx64"",
+ ((uint64_t *)(p_tfra->p_time))[1],
+ ((uint64_t *)(p_tfra->p_moof_offset))[1] );
+ }
+
+ msg_Info( p_stream, "number_of_entries is %"PRIu32"", i_number_of_entries );
+ msg_Info( p_stream, "track ID is: %"PRIu32"", p_tfra->i_track_ID );
+#endif
+
+ MP4_READBOX_EXIT( 1 );
+error:
+ MP4_READBOX_EXIT( 0 );
+}
+
+static void MP4_FreeBox_tfra( MP4_Box_t *p_box )
+{
+ FREENULL( p_box->data.p_tfra->p_time );
+ FREENULL( p_box->data.p_tfra->p_moof_offset );
+ FREENULL( p_box->data.p_tfra->p_traf_number );
+ FREENULL( p_box->data.p_tfra->p_trun_number );
+ FREENULL( p_box->data.p_tfra->p_sample_number );
+}
+
/* For generic */
static int MP4_ReadBox_default( stream_t *p_stream, MP4_Box_t *p_box )
{ ATOM_gmhd, MP4_ReadBoxContainer, MP4_FreeBox_Common },
{ ATOM_wave, MP4_ReadBoxContainer, MP4_FreeBox_Common },
{ ATOM_ilst, MP4_ReadBoxContainer, MP4_FreeBox_Common },
+ { ATOM_mvex, MP4_ReadBoxContainer, MP4_FreeBox_Common },
/* specific box */
{ ATOM_ftyp, MP4_ReadBox_ftyp, MP4_FreeBox_ftyp },
{ 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_iods, MP4_ReadBox_iods, MP4_FreeBox_Common },
+ { ATOM_pasp, MP4_ReadBox_pasp, MP4_FreeBox_Common },
/* Nothing to do with this box */
{ ATOM_mdat, MP4_ReadBoxSkip, MP4_FreeBox_Common },
/* found in smoothstreaming */
{ ATOM_traf, MP4_ReadBoxContainer, MP4_FreeBox_Common },
+ { ATOM_mfra, MP4_ReadBoxContainer, MP4_FreeBox_Common },
{ ATOM_mfhd, MP4_ReadBox_mfhd, MP4_FreeBox_Common },
+ { ATOM_sidx, MP4_ReadBox_sidx, MP4_FreeBox_sidx },
{ ATOM_tfhd, MP4_ReadBox_tfhd, MP4_FreeBox_Common },
{ ATOM_trun, MP4_ReadBox_trun, MP4_FreeBox_trun },
+ { ATOM_trex, MP4_ReadBox_trex, MP4_FreeBox_Common },
+ { ATOM_mehd, MP4_ReadBox_mehd, 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 }
*****************************************************************************/
static MP4_Box_t *MP4_ReadBox( stream_t *p_stream, MP4_Box_t *p_father )
{
- MP4_Box_t *p_box = calloc( 1, sizeof( MP4_Box_t ) ); /* Needed to ensure simple on error handler */
+ MP4_Box_t *p_box = calloc( 1, sizeof( MP4_Box_t ) ); /* Needed to ensure simple on error handler */
unsigned int i_index;
if( p_box == 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
*****************************************************************************
}
else
{
- unsigned int i;
-
char str[512];
if( i_level >= (sizeof(str) - 1)/4 )
return;
memset( str, ' ', sizeof(str) );
- for( i = 0; i < i_level; i++ )
+ for( unsigned i = 0; i < i_level; i++ )
{
str[i*4] = '|';
}
*pi_number = 0;
return;
}
- i_len = 0;
- while( (*ppsz_path)[i_len] &&
- (*ppsz_path)[i_len] != '/' && (*ppsz_path)[i_len] != '[' )
- {
- i_len++;
- }
+ i_len = strcspn( *ppsz_path, "/[" );
if( !i_len && **ppsz_path == '/' )
{
i_len = 1;
}
- *ppsz_token = malloc( 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;