#include "opus.h"
-#undef TS_DEBUG
-VLC_FORMAT(1, 2) static void ts_debug(const char *format, ...)
-{
-#ifdef TS_DEBUG
- va_list ap;
- va_start(ap, format);
- vfprintf(stderr, format, ap);
- va_end(ap);
-#else
- (void)format;
-#endif
-}
+#include "mpeg4_iod.h"
#ifdef HAVE_ARIBB24
#include <aribb24/aribb24.h>
typedef struct ts_pid_t ts_pid_t;
-typedef struct
-{
- uint8_t i_objectTypeIndication;
- uint8_t i_streamType;
-
- unsigned i_extra;
- uint8_t *p_extra;
-
-} decoder_config_descriptor_t;
-
-typedef struct
-{
- bool b_ok;
- uint16_t i_es_id;
-
- char *psz_url;
-
- decoder_config_descriptor_t dec_descr;
-
-} es_mpeg4_descriptor_t;
-
-#define ES_DESCRIPTOR_COUNT 255
-typedef struct
-{
- /* IOD */
- char *psz_url;
-
- es_mpeg4_descriptor_t es_descr[ES_DESCRIPTOR_COUNT];
-
-} iod_descriptor_t;
-
typedef struct
{
int i_version;
static void PCRFixHandle( demux_t *, ts_pmt_t *, block_t * );
static int64_t TimeStampWrapAround( ts_pmt_t *, int64_t );
-static void IODFree( iod_descriptor_t * );
-
#define TS_USER_PMT_NUMBER (0)
static int UserPmt( demux_t *p_demux, const char * );
fmt->b_packetized = false;
}
-/*****************************************************************************
- * MP4 specific functions (IOD parser)
- *****************************************************************************/
-static unsigned IODDescriptorLength( unsigned *pi_data, uint8_t **pp_data )
-{
- unsigned int i_b;
- unsigned int i_len = 0;
- do
- {
- i_b = **pp_data;
- (*pp_data)++;
- (*pi_data)--;
- i_len = ( i_len << 7 ) + ( i_b&0x7f );
-
- } while( i_b&0x80 && *pi_data > 0 );
-
- if (i_len > *pi_data)
- i_len = *pi_data;
-
- return i_len;
-}
-
-static unsigned IODGetBytes( unsigned *pi_data, uint8_t **pp_data, size_t bytes )
-{
- unsigned res = 0;
- while( *pi_data > 0 && bytes-- )
- {
- res <<= 8;
- res |= **pp_data;
- (*pp_data)++;
- (*pi_data)--;
- }
-
- return res;
-}
-
-static char* IODGetURL( unsigned *pi_data, uint8_t **pp_data )
-{
- unsigned len = IODGetBytes( pi_data, pp_data, 1 );
- if (len > *pi_data)
- len = *pi_data;
- char *url = strndup( (char*)*pp_data, len );
- *pp_data += len;
- *pi_data -= len;
- return url;
-}
-
-static iod_descriptor_t *IODNew( unsigned i_data, uint8_t *p_data )
-{
- uint8_t i_iod_tag, i_iod_label, byte1, byte2, byte3;
-
- iod_descriptor_t *p_iod = calloc( 1, sizeof( iod_descriptor_t ) );
- if( !p_iod )
- return NULL;
-
- if( i_data < 3 )
- {
- return p_iod;
- }
-
- byte1 = IODGetBytes( &i_data, &p_data, 1 );
- byte2 = IODGetBytes( &i_data, &p_data, 1 );
- byte3 = IODGetBytes( &i_data, &p_data, 1 );
- if( byte2 == 0x02 ) //old vlc's buggy implementation of the IOD_descriptor
- {
- i_iod_label = byte1;
- i_iod_tag = byte2;
- }
- else //correct implementation of the IOD_descriptor
- {
- i_iod_label = byte2;
- i_iod_tag = byte3;
- }
-
- ts_debug( "\n* iod label:%d tag:0x%x", i_iod_label, i_iod_tag );
-
- if( i_iod_tag != 0x02 )
- {
- ts_debug( "\n ERR: tag %02x != 0x02", i_iod_tag );
- return p_iod;
- }
-
- IODDescriptorLength( &i_data, &p_data );
-
- uint16_t i_od_id = ( IODGetBytes( &i_data, &p_data, 1 ) << 2 );
- uint8_t i_flags = IODGetBytes( &i_data, &p_data, 1 );
- i_od_id |= i_flags >> 6;
- ts_debug( "\n* od_id:%d", i_od_id );
- ts_debug( "\n* includeInlineProfileLevel flag:%d", ( i_flags >> 4 )&0x01 );
- if ((i_flags >> 5) & 0x01)
- {
- p_iod->psz_url = IODGetURL( &i_data, &p_data );
- ts_debug( "\n* url string:%s", p_iod->psz_url );
- ts_debug( "\n*****************************\n" );
- return p_iod;
- }
- else
- {
- p_iod->psz_url = NULL;
- }
-
- /* Profile Level Indication */
- IODGetBytes( &i_data, &p_data, 1 ); /* OD */
- IODGetBytes( &i_data, &p_data, 1 ); /* scene */
- IODGetBytes( &i_data, &p_data, 1 ); /* audio */
- IODGetBytes( &i_data, &p_data, 1 ); /* visual */
- IODGetBytes( &i_data, &p_data, 1 ); /* graphics */
-
- unsigned i_length = 0;
- unsigned i_data_sav = i_data;
- uint8_t *p_data_sav = p_data;
- for (unsigned i = 0; i_data > 0 && i < ES_DESCRIPTOR_COUNT; i++)
- {
- es_mpeg4_descriptor_t *es_descr = &p_iod->es_descr[i];
-
- p_data = p_data_sav + i_length;
- i_data = i_data_sav - i_length;
-
- uint8_t i_tag = IODGetBytes( &i_data, &p_data, 1 );
- i_length = IODDescriptorLength( &i_data, &p_data );
-
- i_data_sav = i_data;
- p_data_sav = p_data;
-
- i_data = i_length;
-
- if ( i_tag != 0x03 )
- {
- ts_debug( "\n* - OD tag:0x%x Unsupported", i_tag );
- continue;
- }
-
- es_descr->i_es_id = IODGetBytes( &i_data, &p_data, 2 );
- uint8_t i_flags = IODGetBytes( &i_data, &p_data, 1 );
- bool b_streamDependenceFlag = ( i_flags >> 7 )&0x01;
- if( b_streamDependenceFlag )
- IODGetBytes( &i_data, &p_data, 2 ); /* dependOn_es_id */
-
- if( (i_flags >> 6) & 0x01 )
- es_descr->psz_url = IODGetURL( &i_data, &p_data );
-
- bool b_OCRStreamFlag = ( i_flags >> 5 )&0x01;
- if( b_OCRStreamFlag )
- IODGetBytes( &i_data, &p_data, 2 ); /* OCR_es_id */
-
- if( IODGetBytes( &i_data, &p_data, 1 ) != 0x04 )
- {
- ts_debug( "\n* ERR missing DecoderConfigDescr" );
- continue;
- }
- unsigned i_config_desc_length = IODDescriptorLength( &i_data, &p_data ); /* DecoderConfigDescr_length */
- decoder_config_descriptor_t *dec_descr = &es_descr->dec_descr;
- dec_descr->i_objectTypeIndication = IODGetBytes( &i_data, &p_data, 1 );
- i_flags = IODGetBytes( &i_data, &p_data, 1 );
- dec_descr->i_streamType = i_flags >> 2;
-
- IODGetBytes( &i_data, &p_data, 3); /* bufferSizeDB */
- IODGetBytes( &i_data, &p_data, 4); /* maxBitrate */
- IODGetBytes( &i_data, &p_data, 4 ); /* avgBitrate */
-
- if( i_config_desc_length > 13 && IODGetBytes( &i_data, &p_data, 1 ) == 0x05 )
- {
- dec_descr->i_extra = IODDescriptorLength( &i_data, &p_data );
- if( dec_descr->i_extra > 0 )
- {
- dec_descr->p_extra = xmalloc( dec_descr->i_extra );
- memcpy(dec_descr->p_extra, p_data, dec_descr->i_extra);
- p_data += dec_descr->i_extra;
- i_data -= dec_descr->i_extra;
- }
- }
- else
- {
- dec_descr->i_extra = 0;
- dec_descr->p_extra = NULL;
- }
-
- if( IODGetBytes( &i_data, &p_data, 1 ) != 0x06 )
- {
- ts_debug( "\n* ERR missing SLConfigDescr" );
- continue;
- }
- IODDescriptorLength( &i_data, &p_data ); /* SLConfigDescr_length */
- switch( IODGetBytes( &i_data, &p_data, 1 ) /* predefined */ )
- {
- default:
- ts_debug( "\n* ERR unsupported SLConfigDescr predefined" );
- case 0x01:
- // FIXME
- break;
- }
- es_descr->b_ok = true;
- }
-
- return p_iod;
-}
-
-static void IODFree( iod_descriptor_t *p_iod )
-{
- if( p_iod->psz_url )
- {
- free( p_iod->psz_url );
- free( p_iod );
- return;
- }
-
- for( int i = 0; i < 255; i++ )
- {
-#define es_descr p_iod->es_descr[i]
- if( es_descr.b_ok )
- {
- if( es_descr.psz_url )
- free( es_descr.psz_url );
- else
- free( es_descr.dec_descr.p_extra );
- }
-#undef es_descr
- }
- free( p_iod );
-}
-
/****************************************************************************
****************************************************************************
** libdvbpsi callbacks
{
case 0x1d: /* We have found an IOD descriptor */
msg_Dbg( p_demux, " * PMT descriptor : IOD (0x1d)" );
- p_pmt->iod = IODNew( p_dr->i_length, p_dr->p_data );
+ p_pmt->iod = IODNew( VLC_OBJECT(p_demux), p_dr->i_length, p_dr->p_data );
break;
case 0x9:
projects / vlc / blobdiff