/*****************************************************************************
* mp4.c : MP4 file input module for vlc
*****************************************************************************
- * Copyright (C) 2001-2004, 2010 the VideoLAN team
+ * Copyright (C) 2001-2004, 2010 VLC authors and VideoLAN
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
#include <vlc_charset.h> /* EnsureUTF8 */
#include <vlc_meta.h> /* vlc_meta_t, vlc_meta_ */
#include <vlc_input.h>
+#include <assert.h>
#include "libmp4.h"
#include "id3genres.h" /* for ATOM_gnre */
*****************************************************************************/
static int Demux ( demux_t * );
static int DemuxRef( demux_t *p_demux ){ (void)p_demux; return 0;}
+static int DemuxFrg( demux_t * );
static int Seek ( demux_t *, mtime_t );
static int Control ( demux_t *, int, va_list );
+typedef struct mp4_fragment_t mp4_fragment_t;
+struct mp4_fragment_t
+{
+ uint64_t i_chunk_range_min_offset;
+ uint64_t i_chunk_range_max_offset;
+ uint64_t i_duration;
+ MP4_Box_t *p_moox;
+ mp4_fragment_t *p_next;
+};
+
struct demux_sys_t
{
MP4_Box_t *p_root; /* container for the whole file */
mtime_t i_pcr;
+ uint64_t i_overall_duration; /* Full duration, including all fragments */
uint64_t i_time; /* time position of the presentation
* in movie timescale */
- uint64_t i_timescale; /* movie time scale */
+ uint32_t i_timescale; /* movie time scale */
uint64_t i_duration; /* movie duration */
unsigned int i_tracks; /* number of tracks */
mp4_track_t *track; /* array of track */
float f_fps; /* number of frame per seconds */
+ bool b_fragmented; /* fMP4 */
+ bool b_seekable;
+ bool b_fastseekable;
+ bool b_smooth; /* Is it Smooth Streaming? */
+
+ bool b_fragments_probed;
+ mp4_fragment_t moovfragment; /* moov */
+ mp4_fragment_t *p_fragments; /* known fragments (moof following moov) */
+
/* */
MP4_Box_t *p_tref_chap;
input_title_t *p_title;
};
+#define BOXDATA(type) type->data.type
+
/*****************************************************************************
* Declaration of local function
*****************************************************************************/
static void MP4_TrackCreate ( demux_t *, mp4_track_t *, MP4_Box_t *, bool b_force_enable );
+static int MP4_frg_TrackCreate( demux_t *, mp4_track_t *, MP4_Box_t *);
static void MP4_TrackDestroy( mp4_track_t * );
static int MP4_TrackSelect ( demux_t *, mp4_track_t *, mtime_t );
static int MP4_TrackSeek ( demux_t *, mp4_track_t *, mtime_t );
static uint64_t MP4_TrackGetPos ( mp4_track_t * );
-static int MP4_TrackSampleSize( mp4_track_t * );
-static int MP4_TrackNextSample( demux_t *, mp4_track_t * );
+static uint32_t MP4_TrackSampleSize( mp4_track_t *, uint32_t * );
+static int MP4_TrackNextSample( demux_t *, mp4_track_t *, uint32_t );
static void MP4_TrackSetELST( demux_t *, mp4_track_t *, int64_t );
static void MP4_UpdateSeekpoint( demux_t * );
static const char *MP4_ConvertMacCode( uint16_t );
-/* Return time in s of a track */
+static MP4_Box_t * MP4_GetTrexByTrackID( MP4_Box_t *p_moov, const uint32_t i_id );
+
+static bool AddFragment( demux_t *p_demux, MP4_Box_t *p_moox );
+static int ProbeFragments( demux_t *p_demux, bool b_force );
+
+/* Helpers */
+
+static uint32_t stream_ReadU32( stream_t *s, void *p_read, uint32_t i_toread )
+{
+ uint32_t i_return = 0;
+ if ( i_toread > INT32_MAX )
+ {
+ i_return = stream_Read( s, p_read, INT32_MAX );
+ if ( i_return < INT32_MAX )
+ return i_return;
+ else
+ i_toread -= INT32_MAX;
+ }
+ i_return += stream_Read( s, (uint8_t *)p_read + i_return, (int32_t) i_toread );
+ return i_return;
+}
+
+static bool MP4_stream_Tell( stream_t *s, uint64_t *pi_pos )
+{
+ int64_t i_pos = stream_Tell( s );
+ if ( i_pos < 0 )
+ return false;
+ else
+ {
+ *pi_pos = (uint64_t) i_pos;
+ return true;
+ }
+}
+
+static MP4_Box_t * MP4_GetTrexByTrackID( MP4_Box_t *p_moov, const uint32_t i_id )
+{
+ MP4_Box_t *p_trex = MP4_BoxGet( p_moov, "mvex/trex" );
+ while( p_trex )
+ {
+ if ( p_trex->i_type == ATOM_trex && BOXDATA(p_trex)->i_track_ID == i_id )
+ break;
+ else
+ p_trex = p_trex->p_next;
+ }
+ return p_trex;
+}
+
+static MP4_Box_t * MP4_GetTrakByTrackID( MP4_Box_t *p_moov, const uint32_t i_id )
+{
+ MP4_Box_t *p_trak = MP4_BoxGet( p_moov, "trak" );
+ MP4_Box_t *p_tkhd;
+ while( p_trak )
+ {
+ if( p_trak->i_type == ATOM_trak &&
+ (p_tkhd = MP4_BoxGet( p_trak, "tkhd" )) &&
+ BOXDATA(p_tkhd)->i_track_ID == i_id )
+ break;
+ else
+ p_trak = p_trak->p_next;
+ }
+ return p_trak;
+}
+
+/* Return time in microsecond of a track */
static inline int64_t MP4_TrackGetDTS( demux_t *p_demux, mp4_track_t *p_track )
{
-#define chunk p_track->chunk[p_track->i_chunk]
+ demux_sys_t *p_sys = p_demux->p_sys;
+ mp4_chunk_t chunk;
+ if( p_sys->b_fragmented )
+ chunk = *p_track->cchunk;
+ else
+ chunk = p_track->chunk[p_track->i_chunk];
unsigned int i_index = 0;
unsigned int i_sample = p_track->i_sample - chunk.i_sample_first;
}
}
-#undef chunk
-
/* now handle elst */
if( p_track->p_elst )
{
demux_sys_t *p_sys = p_demux->p_sys;
- MP4_Box_data_elst_t *elst = p_track->p_elst->data.p_elst;
+ MP4_Box_data_elst_t *elst = p_track->BOXDATA(p_elst);
/* convert to offset */
if( ( elst->i_media_rate_integer[p_track->i_elst] > 0 ||
if( i_dts < 0 ) i_dts = 0;
}
- return INT64_C(1000000) * i_dts / p_track->i_timescale;
+ return CLOCK_FREQ * i_dts / p_track->i_timescale;
}
-static inline int64_t MP4_TrackGetPTSDelta( mp4_track_t *p_track )
+static inline int64_t MP4_TrackGetPTSDelta( demux_t *p_demux, mp4_track_t *p_track )
{
- mp4_chunk_t *ck = &p_track->chunk[p_track->i_chunk];
+ demux_sys_t *p_sys = p_demux->p_sys;
+ mp4_chunk_t *ck;
+ if( p_sys->b_fragmented )
+ ck = p_track->cchunk;
+ else
+ ck = &p_track->chunk[p_track->i_chunk];
+
unsigned int i_index = 0;
unsigned int i_sample = p_track->i_sample - ck->i_sample_first;
for( i_index = 0;; i_index++ )
{
if( i_sample < ck->p_sample_count_pts[i_index] )
- return ck->p_sample_offset_pts[i_index] * INT64_C(1000000) /
+ return ck->p_sample_offset_pts[i_index] * CLOCK_FREQ /
(int64_t)p_track->i_timescale;
i_sample -= ck->p_sample_count_pts[i_index];
static inline int64_t MP4_GetMoviePTS(demux_sys_t *p_sys )
{
- return INT64_C(1000000) * p_sys->i_time / p_sys->i_timescale;
+ return CLOCK_FREQ * p_sys->i_time / p_sys->i_timescale;
}
static void LoadChapter( demux_t *p_demux );
+static int LoadInitFrag( demux_t *p_demux )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+
+ if( p_sys->b_smooth ) /* Smooth Streaming */
+ {
+ if( ( p_sys->p_root = MP4_BoxGetSmooBox( p_demux->s ) ) == NULL )
+ {
+ goto LoadInitFragError;
+ }
+ else
+ {
+ MP4_Box_t *p_smoo = MP4_BoxGet( p_sys->p_root, "uuid" );
+ if( !p_smoo || CmpUUID( &p_smoo->i_uuid, &SmooBoxUUID ) )
+ goto LoadInitFragError;
+ /* Get number of tracks */
+ p_sys->i_tracks = 0;
+ for( int i = 0; i < 3; i++ )
+ {
+ MP4_Box_t *p_stra = MP4_BoxGet( p_smoo, "uuid[%d]", i );
+ if( p_stra && BOXDATA(p_stra)->i_track_ID )
+ p_sys->i_tracks++;
+ /* Get timescale and duration of the video track; */
+ if( p_sys->i_timescale == 0 )
+ {
+ p_sys->i_timescale = BOXDATA(p_stra)->i_timescale;
+ p_sys->i_duration = BOXDATA(p_stra)->i_duration;
+ if( p_sys->i_timescale == 0 )
+ {
+ msg_Err( p_demux, "bad timescale" );
+ goto LoadInitFragError;
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ /* Load all boxes ( except raw data ) */
+ if( ( p_sys->p_root = MP4_BoxGetRoot( p_demux->s ) ) == NULL )
+ {
+ goto LoadInitFragError;
+ }
+ }
+ return VLC_SUCCESS;
+
+LoadInitFragError:
+ msg_Warn( p_demux, "MP4 plugin discarded (not a valid initialization chunk)" );
+ return VLC_EGENERIC;
+}
+
+static int InitTracks( demux_t *p_demux )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+
+ p_sys->track = calloc( p_sys->i_tracks, sizeof( mp4_track_t ) );
+ if( p_sys->track == NULL )
+ return VLC_EGENERIC;
+
+ if( p_sys->b_fragmented )
+ {
+ mp4_track_t *p_track;
+ for( uint16_t i = 0; i < p_sys->i_tracks; i++ )
+ {
+ p_track = &p_sys->track[i];
+ p_track->cchunk = calloc( 1, sizeof( mp4_chunk_t ) );
+ if( unlikely( !p_track->cchunk ) )
+ {
+ free( p_sys->track );
+ return VLC_EGENERIC;
+ }
+ }
+ }
+ return VLC_SUCCESS;
+}
+
+static void CreateTracksFromSmooBox( demux_t *p_demux )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+
+ MP4_Box_t *p_smoo = MP4_BoxGet( p_sys->p_root, "uuid" );
+ mp4_track_t *p_track;
+ int j = 0;
+ for( int i = 0; i < 3; i++ )
+ {
+ MP4_Box_t *p_stra = MP4_BoxGet( p_smoo, "uuid[%d]", i );
+ if( !p_stra || BOXDATA(p_stra)->i_track_ID == 0 )
+ continue;
+ else
+ {
+ p_track = &p_sys->track[j]; j++;
+ MP4_frg_TrackCreate( p_demux, p_track, p_stra );
+ p_track->p_es = es_out_Add( p_demux->out, &p_track->fmt );
+ }
+ }
+}
+
/*****************************************************************************
* Open: check file and initializes MP4 structures
*****************************************************************************/
MP4_Box_t *p_trak;
unsigned int i;
- bool b_seekable;
bool b_enabled_es;
/* A little test to see if it could be a mp4 */
case ATOM_free:
case ATOM_skip:
case ATOM_wide:
+ case ATOM_uuid:
case VLC_FOURCC( 'p', 'n', 'o', 't' ):
break;
case ATOM_ftyp:
return VLC_EGENERIC;
}
+ /* create our structure that will contains all data */
+ p_sys = calloc( 1, sizeof( demux_sys_t ) );
+ if ( !p_sys )
+ return VLC_EGENERIC;
+
/* I need to seek */
- stream_Control( p_demux->s, STREAM_CAN_FASTSEEK, &b_seekable );
- if( !b_seekable )
+ stream_Control( p_demux->s, STREAM_CAN_SEEK, &p_sys->b_seekable );
+ if( !p_sys->b_seekable )
{
- msg_Warn( p_demux, "MP4 plugin discarded (not fastseekable)" );
+ msg_Warn( p_demux, "MP4 plugin discarded (not seekable)" );
+ free( p_sys );
return VLC_EGENERIC;
}
+ stream_Control( p_demux->s, STREAM_CAN_FASTSEEK, &p_sys->b_fastseekable );
/*Set exported functions */
p_demux->pf_demux = Demux;
p_demux->pf_control = Control;
- /* create our structure that will contains all data */
- p_demux->p_sys = p_sys = calloc( 1, sizeof( demux_sys_t ) );
+ p_demux->p_sys = p_sys;
+
+ if( stream_Peek( p_demux->s, &p_peek, 24 ) < 24 ) return VLC_EGENERIC;
+ if( !CmpUUID( (UUID_t *)(p_peek + 8), &SmooBoxUUID ) )
+ {
+ p_sys->b_smooth = true;
+ p_sys->b_fragmented = true;
+ }
+
+ if( LoadInitFrag( p_demux ) != VLC_SUCCESS )
+ goto error;
+
+ if( MP4_BoxCount( p_sys->p_root, "/moov/mvex" ) > 0 )
+ {
+ if ( p_sys->b_seekable )
+ {
+ /* Probe remaining to check if there's really fragments
+ or if that file is just ready to append fragments */
+ ProbeFragments( p_demux, false );
+ p_sys->b_fragmented = !!MP4_BoxCount( p_sys->p_root, "/moof" );
+ }
+ else
+ p_sys->b_fragmented = true;
+ }
+
+ if ( !p_sys->moovfragment.p_moox )
+ AddFragment( p_demux, MP4_BoxGet( p_sys->p_root, "/moov" ) );
+
+ /* we always need a moov entry, but smooth has a workaround */
+ if ( !p_sys->moovfragment.p_moox && !p_sys->b_smooth )
+ {
+ goto error;
+ }
+
+ if( p_sys->b_fragmented || p_sys->b_smooth )
+ {
+ p_demux->pf_demux = DemuxFrg;
+ }
- /* Now load all boxes ( except raw data ) */
- if( ( p_sys->p_root = MP4_BoxGetRoot( p_demux->s ) ) == NULL )
+ if( p_sys->b_smooth )
+ {
+ if( InitTracks( p_demux ) != VLC_SUCCESS )
+ goto error;
+ CreateTracksFromSmooBox( p_demux );
+ return VLC_SUCCESS;
+ }
+ else if( p_sys->b_fragmented )
{
- msg_Warn( p_demux, "MP4 plugin discarded (not a valid file)" );
+ /* We are not yet able to demux a fragmented MP4 file, using the 'mfra'
+ * a file, and we let avformat do the job. */
+ msg_Warn( p_demux, "MP4 plugin discarded "\
+ "(fragmented, let avformat demux it)" );
+ stream_Seek( p_demux->s, 0 ); /* rewind, for other demux */
goto error;
}
if( ( p_ftyp = MP4_BoxGet( p_sys->p_root, "/ftyp" ) ) )
{
- switch( p_ftyp->data.p_ftyp->i_major_brand )
+ switch( BOXDATA(p_ftyp)->i_major_brand )
{
case( ATOM_isom ):
msg_Dbg( p_demux,
"ISO Media file (isom) version %d.",
- p_ftyp->data.p_ftyp->i_minor_version );
+ BOXDATA(p_ftyp)->i_minor_version );
break;
case( ATOM_3gp4 ):
case( VLC_FOURCC( '3', 'g', 'p', '5' ) ):
case( VLC_FOURCC( '3', 'g', 'p', '7' ) ):
msg_Dbg( p_demux, "3GPP Media file Release: %c",
#ifdef WORDS_BIGENDIAN
- p_ftyp->data.p_ftyp->i_major_brand
+ BOXDATA(p_ftyp)->i_major_brand
#else
- p_ftyp->data.p_ftyp->i_major_brand >> 24
+ BOXDATA(p_ftyp)->i_major_brand >> 24
#endif
);
break;
default:
msg_Dbg( p_demux,
"unrecognized major file specification (%4.4s).",
- (char*)&p_ftyp->data.p_ftyp->i_major_brand );
+ (char*)&BOXDATA(p_ftyp)->i_major_brand );
break;
}
}
}
/* the file need to have one moov box */
- if( MP4_BoxCount( p_sys->p_root, "/moov" ) <= 0 )
+ p_sys->moovfragment.p_moox = MP4_BoxGet( p_sys->p_root, "/moov", 0 );
+ if( !p_sys->moovfragment.p_moox )
{
MP4_Box_t *p_foov = MP4_BoxGet( p_sys->p_root, "/foov" );
if( !p_foov )
{
- /* search also for moof box used by smoothstreaming */
- p_foov = MP4_BoxGet( p_sys->p_root, "/moof" );
- if( !p_foov )
- {
- msg_Err( p_demux, "MP4 plugin discarded (no moov,foov,moof box)" );
- goto error;
- }
+ msg_Err( p_demux, "MP4 plugin discarded (no moov,foov,moof box)" );
+ goto error;
}
/* we have a free box as a moov, rename it */
p_foov->i_type = ATOM_moov;
+ p_sys->moovfragment.p_moox = p_foov;
}
if( ( p_rmra = MP4_BoxGet( p_sys->p_root, "/moov/rmra" ) ) )
char *psz_ref;
uint32_t i_ref_type;
- if( !p_rdrf || !( psz_ref = strdup( p_rdrf->data.p_rdrf->psz_ref ) ) )
+ if( !p_rdrf || !( psz_ref = strdup( BOXDATA(p_rdrf)->psz_ref ) ) )
{
continue;
}
- i_ref_type = p_rdrf->data.p_rdrf->i_ref_type;
+ i_ref_type = BOXDATA(p_rdrf)->i_ref_type;
msg_Dbg( p_demux, "new ref=`%s' type=%4.4s",
psz_ref, (char*)&i_ref_type );
{
free( psz_ref );
free( psz_path );
+ input_item_node_Delete( p_subitems );
vlc_object_release( p_input) ;
return VLC_ENOMEM;
}
else
{
msg_Err( p_demux, "unknown ref type=%4.4s FIXME (send a bug report)",
- (char*)&p_rdrf->data.p_rdrf->i_ref_type );
+ (char*)&BOXDATA(p_rdrf)->i_ref_type );
}
free( psz_ref );
}
}
else
{
- p_sys->i_timescale = p_mvhd->data.p_mvhd->i_timescale;
+ p_sys->i_timescale = BOXDATA(p_mvhd)->i_timescale;
if( p_sys->i_timescale == 0 )
{
msg_Err( p_this, "bad timescale" );
goto error;
}
- p_sys->i_duration = p_mvhd->data.p_mvhd->i_duration;
+ }
+
+ if ( p_sys->i_overall_duration == 0 )
+ {
+ /* Try in mehd if fragmented */
+ MP4_Box_t *p_mehd = MP4_BoxGet( p_demux->p_sys->p_root, "moov/mvex/mehd");
+ if ( p_mehd )
+ p_sys->i_overall_duration = p_mehd->data.p_mehd->i_fragment_duration;
+ else
+ p_sys->i_overall_duration = p_sys->moovfragment.i_duration;
}
if( !( p_sys->i_tracks = MP4_BoxCount( p_sys->p_root, "/moov/trak" ) ) )
p_sys->i_tracks,
p_sys->i_tracks ? 's':' ' );
- /* allocate memory */
- p_sys->track = calloc( p_sys->i_tracks, sizeof( mp4_track_t ) );
- if( p_sys->track == NULL )
+ if( InitTracks( p_demux ) != VLC_SUCCESS )
goto error;
/* Search the first chap reference (like quicktime) and
MP4_Box_t *p_tkhd = MP4_BoxGet( p_trak, "tkhd" );
- if( p_tkhd && (p_tkhd->data.p_tkhd->i_flags&MP4_TRACK_ENABLED) )
+ if( p_tkhd && (BOXDATA(p_tkhd)->i_flags&MP4_TRACK_ENABLED) )
b_enabled_es = true;
MP4_Box_t *p_chap = MP4_BoxGet( p_trak, "tref/chap", i );
}
}
+ mp4_fragment_t *p_fragment = &p_sys->moovfragment;
+ while ( p_fragment )
+ {
+ msg_Dbg( p_demux, "fragment offset %"PRId64", data %"PRId64"<->%"PRId64", time %"PRId64,
+ p_fragment->p_moox->i_pos, p_fragment->i_chunk_range_min_offset,
+ p_fragment->i_chunk_range_max_offset, p_fragment->i_duration );
+ p_fragment = p_fragment->p_next;
+ }
+
/* */
LoadChapter( p_demux );
p_sys->i_time += __MAX( p_sys->i_timescale / 10 , 1 );
if( p_sys->i_timescale > 0 )
{
- int64_t i_length = (mtime_t)1000000 *
- (mtime_t)p_sys->i_duration /
+ int64_t i_length = CLOCK_FREQ *
+ (mtime_t)p_sys->moovfragment.i_duration /
(mtime_t)p_sys->i_timescale;
if( MP4_GetMoviePTS( p_sys ) >= i_length )
return 0;
MP4_UpdateSeekpoint( p_demux );
/* first wait for the good time to read a packet */
- es_out_Control( p_demux->out, ES_OUT_SET_PCR, VLC_TS_0 + p_sys->i_pcr );
-
p_sys->i_pcr = MP4_GetMoviePTS( p_sys );
- /* we will read 100ms for each stream so ...*/
- p_sys->i_time += __MAX( p_sys->i_timescale / 10 , 1 );
+ bool b_data_sent = false;
+ /* Find next track matching contiguous data */
+ mp4_track_t *tk = NULL;
+ uint64_t i_candidate_pos = UINT64_MAX;
for( i_track = 0; i_track < p_sys->i_tracks; i_track++ )
{
- mp4_track_t *tk = &p_sys->track[i_track];
-
- if( !tk->b_ok || tk->b_chapter || !tk->b_selected || tk->i_sample >= tk->i_sample_count )
+ mp4_track_t *tk_tmp = &p_sys->track[i_track];
+ if( !tk_tmp->b_ok || tk_tmp->b_chapter || !tk_tmp->b_selected || tk_tmp->i_sample >= tk_tmp->i_sample_count )
continue;
- while( MP4_TrackGetDTS( p_demux, tk ) < MP4_GetMoviePTS( p_sys ) )
+ uint64_t i_pos = MP4_TrackGetPos( tk_tmp );
+ if ( i_pos <= i_candidate_pos )
{
+ i_candidate_pos = i_pos;
+ tk = tk_tmp;
+ }
+ }
+
+ if ( !tk )
+ {
+ msg_Dbg( p_demux, "Could not select track by data position" );
+ goto end;
+ }
+
#if 0
- msg_Dbg( p_demux, "tk(%i)=%lld mv=%lld", i_track,
- MP4_TrackGetDTS( p_demux, tk ),
- MP4_GetMoviePTS( p_sys ) );
+ msg_Dbg( p_demux, "tk(%i)=%"PRId64" mv=%"PRId64" pos=%"PRIu64, i_track,
+ MP4_TrackGetDTS( p_demux, tk ),
+ MP4_GetMoviePTS( p_sys ), i_candidate_pos );
#endif
- if( MP4_TrackSampleSize( tk ) > 0 )
- {
- block_t *p_block;
- int64_t i_delta;
+ uint32_t i_nb_samples = 0;
+ uint32_t i_samplessize = MP4_TrackSampleSize( tk, &i_nb_samples );
+ if( i_samplessize > 0 )
+ {
+ block_t *p_block;
+ int64_t i_delta;
+ uint64_t i_current_pos;
- /* go,go go ! */
- if( stream_Seek( p_demux->s, MP4_TrackGetPos( tk ) ) )
- {
- msg_Warn( p_demux, "track[0x%x] will be disabled (eof?)",
- tk->i_track_ID );
- MP4_TrackUnselect( p_demux, tk );
- break;
- }
+ /* go,go go ! */
+ if ( !MP4_stream_Tell( p_demux->s, &i_current_pos ) )
+ goto end;
- /* now read pes */
- if( !(p_block =
- stream_Block( p_demux->s, MP4_TrackSampleSize(tk) )) )
- {
- msg_Warn( p_demux, "track[0x%x] will be disabled (eof?)",
- tk->i_track_ID );
- MP4_TrackUnselect( p_demux, tk );
- break;
- }
+ if( i_current_pos != i_candidate_pos )
+ {
+ if( stream_Seek( p_demux->s, i_candidate_pos ) )
+ {
+ msg_Warn( p_demux, "track[0x%x] will be disabled (eof?)",
+ tk->i_track_ID );
+ MP4_TrackUnselect( p_demux, tk );
+ goto end;
+ }
+ }
- else if( tk->fmt.i_cat == SPU_ES )
- {
- if( tk->fmt.i_codec == VLC_CODEC_SUBT &&
- p_block->i_buffer >= 2 )
- {
- size_t i_size = GetWBE( p_block->p_buffer );
+ /* now read pes */
+ if( !(p_block = stream_Block( p_demux->s, i_samplessize )) )
+ {
+ msg_Warn( p_demux, "track[0x%x] will be disabled (eof?)",
+ tk->i_track_ID );
+ MP4_TrackUnselect( p_demux, tk );
+ goto end;
+ }
+ else if( tk->fmt.i_cat == SPU_ES )
+ {
+ if ( tk->fmt.i_codec != VLC_CODEC_TX3G &&
+ tk->fmt.i_codec != VLC_CODEC_SPU )
+ p_block->i_buffer = 0;
+ }
- if( i_size + 2 <= p_block->i_buffer )
- {
- char *p;
- /* remove the length field, and append a '\0' */
- memmove( &p_block->p_buffer[0],
- &p_block->p_buffer[2], i_size );
- p_block->p_buffer[i_size] = '\0';
- p_block->i_buffer = i_size + 1;
-
- /* convert \r -> \n */
- while( ( p = strchr((char *) p_block->p_buffer, '\r' ) ) )
- {
- *p = '\n';
- }
- }
- else
- {
- /* Invalid */
- p_block->i_buffer = 0;
- }
- }
- }
- /* dts */
- p_block->i_dts = VLC_TS_0 + MP4_TrackGetDTS( p_demux, tk );
- /* pts */
- i_delta = MP4_TrackGetPTSDelta( tk );
- if( i_delta != -1 )
- p_block->i_pts = p_block->i_dts + i_delta;
- else if( tk->fmt.i_cat != VIDEO_ES )
- p_block->i_pts = p_block->i_dts;
- else
- p_block->i_pts = VLC_TS_INVALID;
+ /* dts */
+ p_block->i_dts = VLC_TS_0 + MP4_TrackGetDTS( p_demux, tk );
+ /* pts */
+ i_delta = MP4_TrackGetPTSDelta( p_demux, tk );
+ if( i_delta != -1 )
+ p_block->i_pts = p_block->i_dts + i_delta;
+ else if( tk->fmt.i_cat != VIDEO_ES )
+ p_block->i_pts = p_block->i_dts;
+ else
+ p_block->i_pts = VLC_TS_INVALID;
- es_out_Send( p_demux->out, tk->p_es, p_block );
- }
+ if ( !b_data_sent )
+ {
+ es_out_Control( p_demux->out, ES_OUT_SET_PCR, VLC_TS_0 + p_sys->i_pcr );
+ b_data_sent = true;
+ }
+ es_out_Send( p_demux->out, tk->p_es, p_block );
- /* Next sample */
- if( MP4_TrackNextSample( p_demux, tk ) )
- break;
+ /* Next sample */
+ MP4_TrackNextSample( p_demux, tk, i_nb_samples );
+ }
+
+end:
+ if ( b_data_sent )
+ {
+ p_sys->i_pcr = INT64_MAX;
+ for( i_track = 0; i_track < p_sys->i_tracks; i_track++ )
+ {
+ mp4_track_t *tk = &p_sys->track[i_track];
+ if ( !tk->b_ok || !tk->b_selected ) continue;
+ p_sys->i_pcr = __MIN( MP4_TrackGetDTS( p_demux, tk ), p_sys->i_pcr );
+ p_sys->i_time = p_sys->i_pcr * p_sys->i_timescale / CLOCK_FREQ;
}
}
- return 1;
+ return b_data_sent;
}
static void MP4_UpdateSeekpoint( demux_t *p_demux )
unsigned int i_track;
/* First update global time */
- p_sys->i_time = i_date * p_sys->i_timescale / 1000000;
- p_sys->i_pcr = i_date;
+ p_sys->i_time = i_date * p_sys->i_timescale / CLOCK_FREQ;
+ p_sys->i_pcr = VLC_TS_INVALID;
/* Now for each stream try to go to this time */
for( i_track = 0; i_track < p_sys->i_tracks; i_track++ )
return VLC_SUCCESS;
}
+static int MP4_frg_Seek( demux_t *p_demux, double f )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+
+ int64_t i64 = stream_Size( p_demux->s );
+ if( stream_Seek( p_demux->s, (int64_t)(i64 * f) ) )
+ {
+ return VLC_EGENERIC;
+ }
+ else
+ {
+ /* update global time */
+ p_sys->i_time = (uint64_t)(f * (double)p_sys->moovfragment.i_duration);
+ p_sys->i_pcr = MP4_GetMoviePTS( p_sys );
+
+ for( unsigned i_track = 0; i_track < p_sys->i_tracks; i_track++ )
+ {
+ mp4_track_t *tk = &p_sys->track[i_track];
+
+ /* We don't want the current chunk to be flushed */
+ tk->cchunk->i_sample = tk->cchunk->i_sample_count;
+
+ /* reset/update some values */
+ tk->i_sample = tk->i_sample_first = 0;
+ tk->i_first_dts = p_sys->i_time;
+
+ /* We want to discard the current chunk and get the next one at once */
+ tk->b_has_non_empty_cchunk = false;
+ }
+ es_out_Control( p_demux->out, ES_OUT_SET_NEXT_DISPLAY_TIME, p_sys->i_pcr );
+ return VLC_SUCCESS;
+ }
+}
+
/*****************************************************************************
* Control:
*****************************************************************************/
{
case DEMUX_GET_POSITION:
pf = (double*)va_arg( args, double * );
- if( p_sys->i_duration > 0 )
+ if( p_sys->i_overall_duration > 0 )
{
- *pf = (double)p_sys->i_time / (double)p_sys->i_duration;
+ *pf = (double)p_sys->i_time / (double)p_sys->i_overall_duration;
}
else
{
case DEMUX_SET_POSITION:
f = (double)va_arg( args, double );
- if( p_sys->i_timescale > 0 )
+ if( p_sys->b_fragmented )
+ {
+ return MP4_frg_Seek( p_demux, f );
+ }
+ else if( p_sys->i_timescale > 0 )
{
- i64 = (int64_t)( f * (double)1000000 *
- (double)p_sys->i_duration /
+ i64 = (int64_t)( f * CLOCK_FREQ *
+ (double)p_sys->i_overall_duration /
(double)p_sys->i_timescale );
return Seek( p_demux, i64 );
}
pi64 = (int64_t*)va_arg( args, int64_t * );
if( p_sys->i_timescale > 0 )
{
- *pi64 = (mtime_t)1000000 *
+ *pi64 = CLOCK_FREQ *
(mtime_t)p_sys->i_time /
(mtime_t)p_sys->i_timescale;
}
pi64 = (int64_t*)va_arg( args, int64_t * );
if( p_sys->i_timescale > 0 )
{
- *pi64 = (mtime_t)1000000 *
- (mtime_t)p_sys->i_duration /
+ *pi64 = CLOCK_FREQ *
+ (mtime_t)p_sys->i_overall_duration /
(mtime_t)p_sys->i_timescale;
}
else *pi64 = 0;
*pf = p_sys->f_fps;
return VLC_SUCCESS;
+ case DEMUX_GET_ATTACHMENTS:
+ {
+ input_attachment_t ***ppp_attach = va_arg( args, input_attachment_t*** );
+ int *pi_int = va_arg( args, int * );
+
+ MP4_Box_t *p_covr = MP4_BoxGet( p_sys->p_root, "/moov/udta/meta/ilst/covr" );
+ if ( !p_covr ) return VLC_EGENERIC;
+ MP4_Box_t *p_box;
+ int i_count = 0;
+
+ for( p_box = p_covr->p_first; p_box != NULL; p_box = p_box->p_next )
+ {
+ if ( p_box->i_type == ATOM_data && p_box->data.p_data->i_blob >= 16 )
+ i_count++;
+ }
+
+ if ( i_count == 0 )
+ return VLC_EGENERIC;
+
+ *ppp_attach = (input_attachment_t**)
+ malloc( sizeof(input_attachment_t*) * i_count );
+ if( !(*ppp_attach) ) return VLC_ENOMEM;
+ char *psz_mime;
+ char *psz_filename;
+ i_count = 0;
+ for( p_box = p_covr->p_first; p_box != NULL; p_box = p_box->p_next )
+ {
+ if ( p_box->i_type != ATOM_data || p_box->data.p_data->i_blob < 16 )
+ continue;
+
+ if ( !memcmp( p_box->data.p_data->p_blob,
+ "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A", 8 ) )
+ {
+ psz_mime = strdup( "image/png" );
+ }
+ else if ( !memcmp( p_box->data.p_data->p_blob, "\xFF\xD8", 2 ) )
+ {
+ psz_mime = strdup( "image/jpeg" );
+ }
+ else
+ {
+ continue;
+ }
+
+ if ( asprintf( &psz_filename, "picture%u", i_count ) >= 0 )
+ {
+ (*ppp_attach)[i_count++] =
+ vlc_input_attachment_New( psz_filename, psz_mime, NULL,
+ p_box->data.p_data->p_blob, p_box->data.p_data->i_blob );
+ free( psz_filename );
+ }
+
+ free( psz_mime );
+ }
+
+ if ( i_count == 0 )
+ {
+ free( *ppp_attach );
+ return VLC_EGENERIC;
+ }
+
+ *pi_int = i_count;
+
+ return VLC_SUCCESS;
+ }
+
case DEMUX_GET_META:
{
vlc_meta_t *p_meta = (vlc_meta_t *)va_arg( args, vlc_meta_t*);
MP4_Box_t *p_0xa9xxx;
+ MP4_Box_t *p_covr = MP4_BoxGet( p_sys->p_root, "/moov/udta/meta/ilst/covr/data[0]" );
+ if ( p_covr )
+ vlc_meta_SetArtURL( p_meta, "attachment://picture0" );
+
MP4_Box_t *p_udta = MP4_BoxGet( p_sys->p_root, "/moov/udta/meta/ilst" );
if( p_udta == NULL )
{
p_udta = MP4_BoxGet( p_sys->p_root, "/moov/udta" );
- if( p_udta == NULL )
- {
+ if( p_udta == NULL && p_covr == NULL )
return VLC_EGENERIC;
- }
+ else
+ return VLC_SUCCESS;
}
for( p_0xa9xxx = p_udta->p_first; p_0xa9xxx != NULL;
p_0xa9xxx = p_0xa9xxx->p_next )
{
- if( !p_0xa9xxx || !p_0xa9xxx->data.p_0xa9xxx )
+ if( !p_0xa9xxx || !BOXDATA(p_0xa9xxx) )
continue;
/* FIXME FIXME: should convert from whatever the character
* encoding of MP4 meta data is to UTF-8. */
-#define SET(fct) do { char *psz_utf = strdup( p_0xa9xxx->data.p_0xa9xxx->psz_text ? p_0xa9xxx->data.p_0xa9xxx->psz_text : "" ); \
+#define SET(fct) do { char *psz_utf = strdup( BOXDATA(p_0xa9xxx)->psz_text ? BOXDATA(p_0xa9xxx)->psz_text : "" ); \
if( psz_utf ) { EnsureUTF8( psz_utf ); \
fct( p_meta, psz_utf ); free( psz_utf ); } } while(0)
snprintf( psz_trck, sizeof( psz_trck ), "%i",
p_0xa9xxx->data.p_trkn->i_track_number );
vlc_meta_SetTrackNum( p_meta, psz_trck );
- snprintf( psz_trck, sizeof( psz_trck ), "%i",
- p_0xa9xxx->data.p_trkn->i_track_total );
- vlc_meta_Set( p_meta, vlc_meta_TrackTotal, psz_trck );
+ if( p_0xa9xxx->data.p_trkn->i_track_total > 0 )
+ {
+ snprintf( psz_trck, sizeof( psz_trck ), "%i",
+ p_0xa9xxx->data.p_trkn->i_track_total );
+ vlc_meta_Set( p_meta, vlc_meta_TrackTotal, psz_trck );
+ }
break;
}
case ATOM_0xa9cmt: /* Commment */
SET( vlc_meta_SetPublisher );
break;
+ case ATOM_0xa9dir:
+ SET( vlc_meta_SetDirector );
+ break;
+
default:
break;
}
{ ATOM_0xa9com, N_("Composer") },
{ ATOM_0xa9prd, N_("Producer") },
{ ATOM_0xa9inf, N_("Information") },
- { ATOM_0xa9dir, N_("Director") },
{ ATOM_0xa9dis, N_("Disclaimer") },
{ ATOM_0xa9req, N_("Requirements") },
{ ATOM_0xa9fmt, N_("Original Format") },
{
if( p_0xa9xxx->i_type == xa9typetoextrameta[i].xa9_type )
{
- char *psz_utf = strdup( p_0xa9xxx->data.p_0xa9xxx->psz_text ? p_0xa9xxx->data.p_0xa9xxx->psz_text : "" );
+ char *psz_utf = strdup( BOXDATA(p_0xa9xxx)->psz_text ? BOXDATA(p_0xa9xxx)->psz_text : "" );
if( psz_utf )
{
EnsureUTF8( psz_utf );
return VLC_EGENERIC;
*pi_int = 1;
- *ppp_title = malloc( sizeof( input_title_t**) );
+ *ppp_title = malloc( sizeof( input_title_t*) );
(*ppp_title)[0] = vlc_input_title_Duplicate( p_sys->p_title );
*pi_title_offset = 0;
*pi_seekpoint_offset = 0;
case DEMUX_SET_NEXT_DEMUX_TIME:
case DEMUX_SET_GROUP:
case DEMUX_HAS_UNSUPPORTED_META:
- case DEMUX_GET_ATTACHMENTS:
case DEMUX_GET_PTS_DELAY:
case DEMUX_CAN_RECORD:
return VLC_EGENERIC;
if( p_sys->p_title )
vlc_input_title_Delete( p_sys->p_title );
+ while( p_sys->moovfragment.p_next )
+ {
+ mp4_fragment_t *p_fragment = p_sys->moovfragment.p_next->p_next;
+ free( p_sys->moovfragment.p_next );
+ p_sys->moovfragment.p_next = p_fragment;
+ }
+
free( p_sys );
}
int i;
p_sys->p_title = vlc_input_title_New();
- for( i = 0; i < p_chpl->data.p_chpl->i_chapter; i++ )
+ for( i = 0; i < BOXDATA(p_chpl)->i_chapter; i++ )
{
seekpoint_t *s = vlc_seekpoint_New();
- s->psz_name = strdup( p_chpl->data.p_chpl->chapter[i].psz_name );
+ s->psz_name = strdup( BOXDATA(p_chpl)->chapter[i].psz_name );
EnsureUTF8( s->psz_name );
- s->i_time_offset = p_chpl->data.p_chpl->chapter[i].i_start / 10;
+ s->i_time_offset = BOXDATA(p_chpl)->chapter[i].i_start / 10;
TAB_APPEND( p_sys->p_title->i_seekpoint, p_sys->p_title->seekpoint, s );
}
}
for( tk->i_sample = 0; tk->i_sample < tk->i_sample_count; tk->i_sample++ )
{
const int64_t i_dts = MP4_TrackGetDTS( p_demux, tk );
- const int64_t i_pts_delta = MP4_TrackGetPTSDelta( tk );
- const unsigned int i_size = MP4_TrackSampleSize( tk );
+ const int64_t i_pts_delta = MP4_TrackGetPTSDelta( p_demux, tk );
+ uint32_t i_nb_samples = 0;
+ const uint32_t i_size = MP4_TrackSampleSize( tk, &i_nb_samples );
if( i_size > 0 && !stream_Seek( p_demux->s, MP4_TrackGetPos( tk ) ) )
{
char p_buffer[256];
- const int i_read = stream_Read( p_demux->s, p_buffer, __MIN( sizeof(p_buffer), i_size ) );
- const int i_len = __MIN( GetWBE(p_buffer), i_read-2 );
+ const uint32_t i_read = stream_ReadU32( p_demux->s, p_buffer,
+ __MIN( sizeof(p_buffer), i_size ) );
+ const uint32_t i_len = __MIN( GetWBE(p_buffer), i_read-2 );
if( i_len > 0 )
{
demux_sys_t *p_sys = p_demux->p_sys;
MP4_Box_t *p_chpl;
- if( ( p_chpl = MP4_BoxGet( p_sys->p_root, "/moov/udta/chpl" ) ) && p_chpl->data.p_chpl->i_chapter > 0 )
+ if( ( p_chpl = MP4_BoxGet( p_sys->p_root, "/moov/udta/chpl" ) ) && BOXDATA(p_chpl)->i_chapter > 0 )
{
LoadChapterGpac( p_demux, p_chpl );
}
/* Add duration if titles are enabled */
if( p_sys->p_title )
{
- p_sys->p_title->i_length = (uint64_t)1000000 *
- (uint64_t)p_sys->i_duration / (uint64_t)p_sys->i_timescale;
+ p_sys->p_title->i_length = CLOCK_FREQ *
+ (uint64_t)p_sys->i_overall_duration / (uint64_t)p_sys->i_timescale;
}
}
static int TrackCreateChunksIndex( demux_t *p_demux,
mp4_track_t *p_demux_track )
{
+ demux_sys_t *p_sys = p_demux->p_sys;
+
MP4_Box_t *p_co64; /* give offset for each chunk, same for stco and co64 */
MP4_Box_t *p_stsc;
return( VLC_EGENERIC );
}
- p_demux_track->i_chunk_count = p_co64->data.p_co64->i_entry_count;
+ p_demux_track->i_chunk_count = BOXDATA(p_co64)->i_entry_count;
if( !p_demux_track->i_chunk_count )
{
msg_Warn( p_demux, "no chunk defined" );
- return( VLC_EGENERIC );
}
p_demux_track->chunk = calloc( p_demux_track->i_chunk_count,
sizeof( mp4_chunk_t ) );
{
mp4_chunk_t *ck = &p_demux_track->chunk[i_chunk];
- ck->i_offset = p_co64->data.p_co64->i_chunk_offset[i_chunk];
+ ck->i_offset = BOXDATA(p_co64)->i_chunk_offset[i_chunk];
ck->i_first_dts = 0;
ck->p_sample_count_dts = NULL;
to be used for the sample XXX begin to 1
We construct it begining at the end */
i_last = p_demux_track->i_chunk_count; /* last chunk proceded */
- i_index = p_stsc->data.p_stsc->i_entry_count;
- if( !i_index )
- {
- msg_Warn( p_demux, "cannot read chunk table or table empty" );
- return( VLC_EGENERIC );
- }
+ i_index = BOXDATA(p_stsc)->i_entry_count;
- while( i_index-- )
+ while( i_index-- > 0 )
{
- for( i_chunk = p_stsc->data.p_stsc->i_first_chunk[i_index] - 1;
+ for( i_chunk = BOXDATA(p_stsc)->i_first_chunk[i_index] - 1;
i_chunk < i_last; i_chunk++ )
{
if( i_chunk >= p_demux_track->i_chunk_count )
}
p_demux_track->chunk[i_chunk].i_sample_description_index =
- p_stsc->data.p_stsc->i_sample_description_index[i_index];
+ BOXDATA(p_stsc)->i_sample_description_index[i_index];
p_demux_track->chunk[i_chunk].i_sample_count =
- p_stsc->data.p_stsc->i_samples_per_chunk[i_index];
+ BOXDATA(p_stsc)->i_samples_per_chunk[i_index];
}
- i_last = p_stsc->data.p_stsc->i_first_chunk[i_index] - 1;
+ i_last = BOXDATA(p_stsc)->i_first_chunk[i_index] - 1;
}
p_demux_track->chunk[0].i_sample_first = 0;
msg_Dbg( p_demux, "track[Id 0x%x] read %d chunk",
p_demux_track->i_track_ID, p_demux_track->i_chunk_count );
+ if ( p_demux_track->i_chunk_count && (
+ p_sys->moovfragment.i_chunk_range_min_offset == 0 ||
+ p_sys->moovfragment.i_chunk_range_min_offset > p_demux_track->chunk[0].i_offset
+ ) )
+ p_sys->moovfragment.i_chunk_range_min_offset = p_demux_track->chunk[0].i_offset;
+
+ return VLC_SUCCESS;
+}
+
+static int xTTS_CountEntries( demux_t *p_demux, uint32_t *pi_entry /* out */,
+ const uint32_t i_index,
+ uint32_t i_index_samples_left,
+ uint32_t i_sample_count,
+ const uint32_t *pi_index_sample_count,
+ const uint32_t i_table_count )
+{
+ uint32_t i_array_offset;
+ while( i_sample_count > 0 )
+ {
+ if ( likely((UINT32_MAX - i_index) >= *pi_entry) )
+ i_array_offset = i_index + *pi_entry;
+ else
+ return VLC_EGENERIC;
+
+ if ( i_array_offset >= i_table_count )
+ {
+ msg_Err( p_demux, "invalid index counting total samples %u %u", i_array_offset, i_table_count );
+ return VLC_EGENERIC;
+ }
+
+ if ( i_index_samples_left )
+ {
+ if ( i_index_samples_left > i_sample_count )
+ {
+ i_index_samples_left -= i_sample_count;
+ i_sample_count = 0;
+ *pi_entry +=1; /* No samples left, go copy */
+ break;
+ }
+ else
+ {
+ i_sample_count -= i_index_samples_left;
+ i_index_samples_left = 0;
+ *pi_entry += 1;
+ continue;
+ }
+ }
+ else
+ {
+ i_sample_count -= __MIN( i_sample_count, pi_index_sample_count[i_array_offset] );
+ *pi_entry += 1;
+ }
+ }
+
return VLC_SUCCESS;
}
static int TrackCreateSamplesIndex( demux_t *p_demux,
mp4_track_t *p_demux_track )
{
+ demux_sys_t *p_sys = p_demux->p_sys;
+
MP4_Box_t *p_box;
MP4_Box_data_stsz_t *stsz;
- MP4_Box_data_stts_t *stts;
/* TODO use also stss and stsh table for seeking */
/* FIXME use edit table */
- int64_t i_sample;
- int64_t i_chunk;
-
- int64_t i_index;
- int64_t i_index_sample_used;
-
- int64_t i_next_dts;
/* Find stsz
* Gives the sample size for each samples. There is also a stz2 table
}
stsz = p_box->data.p_stsz;
- /* Find stts
- * Gives mapping between sample and decoding time
- */
- p_box = MP4_BoxGet( p_demux_track->p_stbl, "stts" );
- if( !p_box )
- {
- msg_Warn( p_demux, "cannot find STTS box" );
- return VLC_EGENERIC;
- }
- stts = p_box->data.p_stts;
-
/* Use stsz table to create a sample number -> sample size table */
p_demux_track->i_sample_count = stsz->i_sample_count;
if( stsz->i_sample_size )
if( p_demux_track->p_sample_size == NULL )
return VLC_ENOMEM;
- for( i_sample = 0; i_sample < p_demux_track->i_sample_count; i_sample++ )
+ for( uint32_t i_sample = 0; i_sample < p_demux_track->i_sample_count; i_sample++ )
{
p_demux_track->p_sample_size[i_sample] =
stsz->i_entry_size[i_sample];
}
}
+ if ( p_demux_track->i_chunk_count )
+ {
+ mp4_chunk_t *lastchunk = &p_demux_track->chunk[p_demux_track->i_chunk_count - 1];
+ uint64_t i_total_size = lastchunk->i_offset;
+ for( uint32_t i=0; i<lastchunk->i_sample_count; i++)
+ {
+ if( p_demux_track->i_sample_size == 0 )
+ i_total_size += stsz->i_entry_size[i];
+ else
+ i_total_size += p_demux_track->i_sample_size;
+ }
+
+ if ( i_total_size > p_sys->moovfragment.i_chunk_range_max_offset )
+ p_sys->moovfragment.i_chunk_range_max_offset = i_total_size;
+ }
+
/* Use stts table to create a sample number -> dts table.
* XXX: if we don't want to waste too much memory, we can't expand
* the box! so each chunk will contain an "extract" of this table
* for fast research (problem with raw stream where a sample is sometime
* just channels*bits_per_sample/8 */
- i_next_dts = 0;
- i_index = 0; i_index_sample_used = 0;
- for( i_chunk = 0; i_chunk < p_demux_track->i_chunk_count; i_chunk++ )
+ /* FIXME: refactor STTS & CTTS, STTS having now only few extra lines and
+ * differing in 2/2 fields and 1 signedness */
+
+ mtime_t i_next_dts = 0;
+ /* Find stts
+ * Gives mapping between sample and decoding time
+ */
+ p_box = MP4_BoxGet( p_demux_track->p_stbl, "stts" );
+ if( !p_box )
{
- mp4_chunk_t *ck = &p_demux_track->chunk[i_chunk];
- int64_t i_entry, i_sample_count, i;
+ msg_Warn( p_demux, "cannot find STTS box" );
+ return VLC_EGENERIC;
+ }
+ else
+ {
+ MP4_Box_data_stts_t *stts = p_box->data.p_stts;
- /* save first dts */
- ck->i_first_dts = i_next_dts;
- ck->i_last_dts = i_next_dts;
+ msg_Warn( p_demux, "STTS table of %"PRIu32" entries", stts->i_entry_count );
- /* count how many entries are needed for this chunk
- * for p_sample_delta_dts and p_sample_count_dts */
- i_sample_count = ck->i_sample_count;
+ /* Create sample -> dts table per chunk */
+ uint32_t i_index = 0;
+ uint32_t i_current_index_samples_left = 0;
- i_entry = 0;
- while( i_sample_count > 0 )
+ for( uint32_t i_chunk = 0; i_chunk < p_demux_track->i_chunk_count; i_chunk++ )
{
- i_sample_count -= stts->i_sample_count[i_index+i_entry];
- /* don't count already used sample in this entry */
- if( i_entry == 0 )
- i_sample_count += i_index_sample_used;
-
- i_entry++;
- }
-
- /* allocate them */
- ck->p_sample_count_dts = calloc( i_entry, sizeof( uint32_t ) );
- ck->p_sample_delta_dts = calloc( i_entry, sizeof( uint32_t ) );
-
- if( !ck->p_sample_count_dts || !ck->p_sample_delta_dts )
- return VLC_ENOMEM;
+ mp4_chunk_t *ck = &p_demux_track->chunk[i_chunk];
+ uint32_t i_entry, i_sample_count;
- /* now copy */
- i_sample_count = ck->i_sample_count;
- for( i = 0; i < i_entry; i++ )
- {
- int64_t i_used;
- int64_t i_rest;
+ /* save first dts */
+ ck->i_first_dts = i_next_dts;
+ ck->i_last_dts = i_next_dts;
- i_rest = stts->i_sample_count[i_index] - i_index_sample_used;
+ /* count how many entries are needed for this chunk
+ * for p_sample_delta_dts and p_sample_count_dts */
+ i_entry = 0;
- i_used = __MIN( i_rest, i_sample_count );
+ int i_ret = xTTS_CountEntries( p_demux, &i_entry, i_index,
+ i_current_index_samples_left,
+ ck->i_sample_count,
+ stts->pi_sample_count,
+ stts->i_entry_count );
+ if ( i_ret != VLC_SUCCESS )
+ return i_ret;
- i_index_sample_used += i_used;
- i_sample_count -= i_used;
- i_next_dts += i_used * stts->i_sample_delta[i_index];
+ /* allocate them */
+ ck->p_sample_count_dts = calloc( i_entry, sizeof( uint32_t ) );
+ ck->p_sample_delta_dts = calloc( i_entry, sizeof( uint32_t ) );
+ if( !ck->p_sample_count_dts || !ck->p_sample_delta_dts )
+ {
+ msg_Err( p_demux, "can't allocate memory for i_entry=%"PRIu32, i_entry );
+ return VLC_ENOMEM;
+ }
- ck->p_sample_count_dts[i] = i_used;
- ck->p_sample_delta_dts[i] = stts->i_sample_delta[i_index];
- if( i_used > 0 )
- ck->i_last_dts = i_next_dts - ck->p_sample_delta_dts[i];
+ /* now copy */
+ i_sample_count = ck->i_sample_count;
- if( i_index_sample_used >= stts->i_sample_count[i_index] )
+ for( uint32_t i = 0; i < i_entry; i++ )
{
- i_index++;
- i_index_sample_used = 0;
+ if ( i_current_index_samples_left )
+ {
+ if ( i_current_index_samples_left > i_sample_count )
+ {
+ if ( i_sample_count ) ck->i_last_dts = i_next_dts;
+ ck->p_sample_count_dts[i] = i_sample_count;
+ ck->p_sample_delta_dts[i] = stts->pi_sample_delta[i_index];
+ i_next_dts += ck->p_sample_count_dts[i] * stts->pi_sample_delta[i_index];
+ i_current_index_samples_left -= i_sample_count;
+ i_sample_count = 0;
+ assert( i == i_entry - 1 );
+ break;
+ }
+ else
+ {
+ if ( i_current_index_samples_left ) ck->i_last_dts = i_next_dts;
+ ck->p_sample_count_dts[i] = i_current_index_samples_left;
+ ck->p_sample_delta_dts[i] = stts->pi_sample_delta[i_index];
+ i_next_dts += ck->p_sample_count_dts[i] * stts->pi_sample_delta[i_index];
+ i_sample_count -= i_current_index_samples_left;
+ i_current_index_samples_left = 0;
+ i_index++;
+ }
+ }
+ else
+ {
+ if ( stts->pi_sample_count[i_index] > i_sample_count )
+ {
+ if ( i_sample_count ) ck->i_last_dts = i_next_dts;
+ ck->p_sample_count_dts[i] = i_sample_count;
+ ck->p_sample_delta_dts[i] = stts->pi_sample_delta[i_index];
+ i_next_dts += ck->p_sample_count_dts[i] * stts->pi_sample_delta[i_index];
+ i_current_index_samples_left = stts->pi_sample_count[i_index] - i_sample_count;
+ i_sample_count = 0;
+ assert( i == i_entry - 1 );
+ // keep building from same index
+ }
+ else
+ {
+ if ( stts->pi_sample_count[i_index] ) ck->i_last_dts = i_next_dts;
+ ck->p_sample_count_dts[i] = stts->pi_sample_count[i_index];
+ ck->p_sample_delta_dts[i] = stts->pi_sample_delta[i_index];
+ i_next_dts += ck->p_sample_count_dts[i] * stts->pi_sample_delta[i_index];
+ i_sample_count -= stts->pi_sample_count[i_index];
+ i_index++;
+ }
+ }
+
}
}
}
+
/* Find ctts
* Gives the delta between decoding time (dts) and composition table (pts)
*/
{
MP4_Box_data_ctts_t *ctts = p_box->data.p_ctts;
- msg_Warn( p_demux, "CTTS table" );
+ msg_Warn( p_demux, "CTTS table of %"PRIu32" entries", ctts->i_entry_count );
/* Create pts-dts table per chunk */
- i_index = 0; i_index_sample_used = 0;
- for( i_chunk = 0; i_chunk < p_demux_track->i_chunk_count; i_chunk++ )
+ uint32_t i_index = 0;
+ uint32_t i_current_index_samples_left = 0;
+
+ for( uint32_t i_chunk = 0; i_chunk < p_demux_track->i_chunk_count; i_chunk++ )
{
mp4_chunk_t *ck = &p_demux_track->chunk[i_chunk];
- int64_t i_entry, i_sample_count, i;
+ uint32_t i_entry, i_sample_count;
/* count how many entries are needed for this chunk
- * for p_sample_delta_dts and p_sample_count_dts */
- i_sample_count = ck->i_sample_count;
-
+ * for p_sample_offset_pts and p_sample_count_pts */
i_entry = 0;
- while( i_sample_count > 0 )
- {
- i_sample_count -= ctts->i_sample_count[i_index+i_entry];
-
- /* don't count already used sample in this entry */
- if( i_entry == 0 )
- i_sample_count += i_index_sample_used;
-
- i_entry++;
- }
+ int i_ret = xTTS_CountEntries( p_demux, &i_entry, i_index,
+ i_current_index_samples_left,
+ ck->i_sample_count,
+ ctts->pi_sample_count,
+ ctts->i_entry_count );
+ if ( i_ret != VLC_SUCCESS )
+ return i_ret;
/* allocate them */
ck->p_sample_count_pts = calloc( i_entry, sizeof( uint32_t ) );
ck->p_sample_offset_pts = calloc( i_entry, sizeof( int32_t ) );
if( !ck->p_sample_count_pts || !ck->p_sample_offset_pts )
+ {
+ msg_Err( p_demux, "can't allocate memory for i_entry=%"PRIu32, i_entry );
return VLC_ENOMEM;
+ }
/* now copy */
i_sample_count = ck->i_sample_count;
- for( i = 0; i < i_entry; i++ )
- {
- int64_t i_used;
- int64_t i_rest;
- i_rest = ctts->i_sample_count[i_index] -
- i_index_sample_used;
-
- i_used = __MIN( i_rest, i_sample_count );
-
- i_index_sample_used += i_used;
- i_sample_count -= i_used;
-
- ck->p_sample_count_pts[i] = i_used;
- ck->p_sample_offset_pts[i] = ctts->i_sample_offset[i_index];
-
- if( i_index_sample_used >= ctts->i_sample_count[i_index] )
+ for( uint32_t i = 0; i < i_entry; i++ )
+ {
+ if ( i_current_index_samples_left )
+ {
+ if ( i_current_index_samples_left > i_sample_count )
+ {
+ ck->p_sample_count_pts[i] = i_sample_count;
+ ck->p_sample_offset_pts[i] = ctts->pi_sample_offset[i_index];
+ i_current_index_samples_left -= i_sample_count;
+ i_sample_count = 0;
+ assert( i == i_entry - 1 );
+ break;
+ }
+ else
+ {
+ ck->p_sample_count_pts[i] = i_current_index_samples_left;
+ ck->p_sample_offset_pts[i] = ctts->pi_sample_offset[i_index];
+ i_sample_count -= i_current_index_samples_left;
+ i_current_index_samples_left = 0;
+ i_index++;
+ }
+ }
+ else
{
- i_index++;
- i_index_sample_used = 0;
+ if ( ctts->pi_sample_count[i_index] > i_sample_count )
+ {
+ ck->p_sample_count_pts[i] = i_sample_count;
+ ck->p_sample_offset_pts[i] = ctts->pi_sample_offset[i_index];
+ i_current_index_samples_left = ctts->pi_sample_count[i_index] - i_sample_count;
+ i_sample_count = 0;
+ assert( i == i_entry - 1 );
+ // keep building from same index
+ }
+ else
+ {
+ ck->p_sample_count_pts[i] = ctts->pi_sample_count[i_index];
+ ck->p_sample_offset_pts[i] = ctts->pi_sample_offset[i_index];
+ i_sample_count -= ctts->pi_sample_count[i_index];
+ i_index++;
+ }
}
+
+
}
}
}
- msg_Dbg( p_demux, "track[Id 0x%x] read %d samples length:%"PRId64"s",
+ msg_Dbg( p_demux, "track[Id 0x%x] read %"PRIu32" samples length:%"PRId64"s",
p_demux_track->i_track_ID, p_demux_track->i_sample_count,
i_next_dts / p_demux_track->i_timescale );
return VLC_SUCCESS;
}
+
/**
* It computes the sample rate for a video track using the given sample
* description index
*/
-static void TrackGetESSampleRate( unsigned *pi_num, unsigned *pi_den,
+static void TrackGetESSampleRate( demux_t *p_demux,
+ unsigned *pi_num, unsigned *pi_den,
const mp4_track_t *p_track,
unsigned i_sd_index,
unsigned i_chunk )
*pi_num = 0;
*pi_den = 0;
+ MP4_Box_t *p_trak = MP4_GetTrakByTrackID( MP4_BoxGet( p_demux->p_sys->p_root, "/moov" ),
+ p_track->i_track_ID );
+ MP4_Box_t *p_mdhd = MP4_BoxGet( p_trak, "mdia/mdhd" );
+ if ( p_mdhd )
+ {
+ vlc_ureduce( pi_num, pi_den,
+ (uint64_t) BOXDATA(p_mdhd)->i_timescale * p_track->i_sample_count,
+ (uint64_t) BOXDATA(p_mdhd)->i_duration,
+ UINT16_MAX );
+ return;
+ }
+
if( p_track->i_chunk_count <= 0 )
return;
static int TrackCreateES( demux_t *p_demux, mp4_track_t *p_track,
unsigned int i_chunk, es_out_id_t **pp_es )
{
- const unsigned i_sample_description_index =
- p_track->chunk[i_chunk].i_sample_description_index;
+ demux_sys_t *p_sys = p_demux->p_sys;
+ unsigned int i_sample_description_index;
+
+ if( p_sys->b_fragmented )
+ i_sample_description_index = 1; /* XXX */
+ else
+ i_sample_description_index =
+ p_track->chunk[i_chunk].i_sample_description_index;
+
MP4_Box_t *p_sample;
MP4_Box_t *p_esds;
MP4_Box_t *p_frma;
i_sample_description_index - 1 );
if( !p_sample ||
- ( !p_sample->data.p_data && p_track->fmt.i_cat != SPU_ES ) )
+ ( !p_sample->data.p_payload && p_track->fmt.i_cat != SPU_ES ) )
{
msg_Warn( p_demux, "cannot find SampleEntry (track[Id 0x%x])",
p_track->i_track_ID );
p_track->fmt.video.i_visible_height = p_track->fmt.video.i_height;
/* Frame rate */
- TrackGetESSampleRate( &p_track->fmt.video.i_frame_rate,
+ TrackGetESSampleRate( p_demux,
+ &p_track->fmt.video.i_frame_rate,
&p_track->fmt.video.i_frame_rate_base,
p_track, i_sample_description_index, i_chunk );
+
p_demux->p_sys->f_fps = (float)p_track->fmt.video.i_frame_rate /
(float)p_track->fmt.video.i_frame_rate_base;
{
switch( p_sample->i_type )
{
- case VLC_FOURCC( 'i', 'm', 'a', '4' ):
+ case VLC_CODEC_ADPCM_IMA_QT:
p_soun->i_qt_version = 1;
p_soun->i_sample_per_packet = 64;
p_soun->i_bytes_per_packet = 34;
p_soun->i_bytes_per_frame = 34 * p_soun->i_channelcount;
p_soun->i_bytes_per_sample = 2;
break;
- case VLC_FOURCC( 'M', 'A', 'C', '3' ):
+ case VLC_CODEC_MACE3:
p_soun->i_qt_version = 1;
p_soun->i_sample_per_packet = 6;
p_soun->i_bytes_per_packet = 2;
p_soun->i_bytes_per_frame = 2 * p_soun->i_channelcount;
p_soun->i_bytes_per_sample = 2;
break;
- case VLC_FOURCC( 'M', 'A', 'C', '6' ):
+ case VLC_CODEC_MACE6:
p_soun->i_qt_version = 1;
p_soun->i_sample_per_packet = 12;
p_soun->i_bytes_per_packet = 2;
p_soun->i_bytes_per_frame = 2 * p_soun->i_channelcount;
p_soun->i_bytes_per_sample = 2;
break;
- case VLC_FOURCC( 'a', 'l', 'a', 'w' ):
+ case VLC_CODEC_ALAW:
case VLC_FOURCC( 'u', 'l', 'a', 'w' ):
p_soun->i_samplesize = 8;
p_track->i_sample_size = p_soun->i_channelcount;
MP4_Box_data_sample_soun_t *p_soun = p_sample->data.p_sample_soun;
if(p_soun && (p_soun->i_samplesize+7)/8 == 1 )
- p_track->fmt.i_codec = VLC_FOURCC( 'u', '8', ' ', ' ' );
+ p_track->fmt.i_codec = VLC_CODEC_U8;
else
p_track->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
MP4_Box_data_sample_soun_t *p_soun =
p_sample->data.p_sample_soun;
- msg_Warn( p_demux, "i_timescale (%"PRIu64") != i_sampleratehi "
+ msg_Warn( p_demux, "i_timescale (%"PRId32") != i_sampleratehi "
"(%u), making both equal (report any problem).",
p_track->i_timescale, p_soun->i_sampleratehi );
- if( p_soun->i_sampleratehi )
+ if( p_soun->i_sampleratehi != 0 )
p_track->i_timescale = p_soun->i_sampleratehi;
else
p_soun->i_sampleratehi = p_track->i_timescale;
case( VLC_FOURCC( 't', 'e', 'x', 't' ) ):
case( VLC_FOURCC( 't', 'x', '3', 'g' ) ):
- p_track->fmt.i_codec = VLC_CODEC_SUBT;
- /* FIXME: Not true, could be UTF-16 with a Byte Order Mark (0xfeff) */
+ {
+ p_track->fmt.i_codec = VLC_CODEC_TX3G;
+ MP4_Box_data_sample_text_t *p_text = p_sample->data.p_sample_text;
+ if ( p_text )
+ {
+ text_style_t *p_style = text_style_New();
+ if ( p_style )
+ {
+ if ( p_text->i_font_size ) /* !WARN: % in absolute storage */
+ p_style->i_font_size = p_text->i_font_size;
+ if ( p_text->i_font_color )
+ {
+ p_style->i_font_color = p_text->i_font_color >> 8;
+ p_style->i_font_alpha = p_text->i_font_color & 0xFF;
+ }
+ if ( p_text->i_background_color[3] >> 8 )
+ {
+ p_style->i_background_color = p_text->i_background_color[0] >> 8;
+ p_style->i_background_color |= p_text->i_background_color[1] >> 8;
+ p_style->i_background_color |= p_text->i_background_color[2] >> 8;
+ p_style->i_background_alpha = p_text->i_background_color[3] >> 8;
+ }
+ }
+ p_track->fmt.subs.p_style = p_style;
+ }
/* FIXME UTF-8 doesn't work here ? */
if( p_track->b_mac_encoding )
p_track->fmt.subs.psz_encoding = strdup( "MAC" );
else
p_track->fmt.subs.psz_encoding = strdup( "UTF-8" );
break;
-
+ }
case VLC_FOURCC('y','v','1','2'):
p_track->fmt.i_codec = VLC_CODEC_YV12;
break;
break;
case VLC_FOURCC('i','n','2','4'):
- p_track->fmt.i_codec = p_enda && p_enda->data.p_enda->i_little_endian == 1 ?
+ p_track->fmt.i_codec = p_enda && BOXDATA(p_enda)->i_little_endian == 1 ?
VLC_FOURCC('4','2','n','i') : VLC_FOURCC('i','n','2','4');
break;
+ case VLC_FOURCC('i','n','3','2'):
+ p_track->fmt.i_codec = p_enda && BOXDATA(p_enda)->i_little_endian == 1 ?
+ VLC_CODEC_S32L : VLC_CODEC_S32B;
+ break;
case VLC_FOURCC('f','l','3','2'):
- p_track->fmt.i_codec = p_enda && p_enda->data.p_enda->i_little_endian == 1 ?
+ p_track->fmt.i_codec = p_enda && BOXDATA(p_enda)->i_little_endian == 1 ?
VLC_CODEC_F32L : VLC_CODEC_F32B;
break;
case VLC_FOURCC('f','l','6','4'):
- p_track->fmt.i_codec = p_enda && p_enda->data.p_enda->i_little_endian == 1 ?
+ p_track->fmt.i_codec = p_enda && BOXDATA(p_enda)->i_little_endian == 1 ?
VLC_CODEC_F64L : VLC_CODEC_F64B;
break;
- case VLC_FOURCC( 'l', 'p', 'c', 'm' ):
+ case VLC_CODEC_DVD_LPCM:
{
MP4_Box_data_sample_soun_t *p_soun = p_sample->data.p_sample_soun;
if( p_soun->i_qt_version == 2 &&
p_track->fmt.i_codec = VLC_CODEC_MPGA;
break;
case( 0x6a): /* MPEG1 video */
- p_track->fmt.i_codec = VLC_FOURCC( 'm','p','g','v' );
+ p_track->fmt.i_codec = VLC_CODEC_MPGV;
break;
case( 0x6b): /* MPEG1 audio */
p_track->fmt.i_codec = VLC_CODEC_MPGA;
break;
case( 0x6c ): /* jpeg */
- p_track->fmt.i_codec = VLC_FOURCC( 'j','p','e','g' );
+ p_track->fmt.i_codec = VLC_CODEC_JPEG;
break;
case( 0x6d ): /* png */
- p_track->fmt.i_codec = VLC_FOURCC( 'p','n','g',' ' );
+ p_track->fmt.i_codec = VLC_CODEC_PNG;
break;
case( 0x6e ): /* jpeg2000 */
p_track->fmt.i_codec = VLC_FOURCC( 'M','J','2','C' );
case( 0xe0 ): /* NeroDigital: dvd subs */
if( p_track->fmt.i_cat == SPU_ES )
{
- p_track->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
+ p_track->fmt.i_codec = VLC_CODEC_SPU;
if( p_track->i_width > 0 )
p_track->fmt.subs.spu.i_original_frame_width = p_track->i_width;
if( p_track->i_height > 0 )
case( 0xe1 ): /* QCelp for 3gp */
if( p_track->fmt.i_cat == AUDIO_ES )
{
- p_track->fmt.i_codec = VLC_FOURCC( 'Q','c','l','p' );
+ p_track->fmt.i_codec = VLC_CODEC_QCELP;
}
break;
memcpy( p_track->fmt.p_extra, p_decconfig->p_decoder_specific_info,
p_track->fmt.i_extra );
}
+ if( p_track->fmt.i_codec == VLC_CODEC_SPU &&
+ p_track->fmt.i_extra >= 16 * 4 )
+ {
+ for( int i = 0; i < 16; i++ )
+ {
+ p_track->fmt.subs.spu.palette[1 + i] =
+ GetDWBE((char*)p_track->fmt.p_extra + i * 4);
+ }
+ p_track->fmt.subs.spu.palette[0] = 0xBeef;
+ }
}
else
{
case VLC_FOURCC ('m', 'x', '3', 'p'): // MPEG2 IMX PAL 625/50 30mb/s produced by FCP
case VLC_FOURCC ('x', 'd', 'v', '2'): // XDCAM HD 1080i60
case VLC_FOURCC ('A', 'V', 'm', 'p'): // AVID IMX PAL
- p_track->fmt.i_codec = VLC_FOURCC( 'm','p','g','v' );
+ p_track->fmt.i_codec = VLC_CODEC_MPGV;
break;
/* qt decoder, send the complete chunk */
- case VLC_FOURCC( 'S', 'V', 'Q', '3' ):
- case VLC_FOURCC( 'S', 'V', 'Q', '1' ):
+ case VLC_CODEC_SVQ1:
+ case VLC_CODEC_SVQ3:
case VLC_FOURCC( 'V', 'P', '3', '1' ):
case VLC_FOURCC( '3', 'I', 'V', '1' ):
case VLC_FOURCC( 'Z', 'y', 'G', 'o' ):
p_sample->data.p_sample_soun->p_qt_description,
p_track->fmt.i_extra);
}
- if( p_track->fmt.i_extra >= 56 && p_sample->i_type == VLC_CODEC_ALAC )
+ if( p_track->fmt.i_extra == 56 && p_sample->i_type == VLC_CODEC_ALAC )
{
p_track->fmt.audio.i_channels = *((uint8_t*)p_track->fmt.p_extra + 41);
p_track->fmt.audio.i_rate = GetDWBE((uint8_t*)p_track->fmt.p_extra + 52);
MP4_Box_t *p_dvc1 = MP4_BoxGet( p_sample, "dvc1" );
if( p_dvc1 )
{
- p_track->fmt.i_extra = p_dvc1->data.p_dvc1->i_vc1;
+ p_track->fmt.i_extra = BOXDATA(p_dvc1)->i_vc1;
if( p_track->fmt.i_extra > 0 )
{
- p_track->fmt.p_extra = malloc( p_dvc1->data.p_dvc1->i_vc1 );
- memcpy( p_track->fmt.p_extra, p_dvc1->data.p_dvc1->p_vc1,
+ p_track->fmt.p_extra = malloc( BOXDATA(p_dvc1)->i_vc1 );
+ memcpy( p_track->fmt.p_extra, BOXDATA(p_dvc1)->p_vc1,
p_track->fmt.i_extra );
}
}
if( p_avcC )
{
- p_track->fmt.i_extra = p_avcC->data.p_avcC->i_avcC;
+ p_track->fmt.i_extra = BOXDATA(p_avcC)->i_avcC;
if( p_track->fmt.i_extra > 0 )
{
- p_track->fmt.p_extra = malloc( p_avcC->data.p_avcC->i_avcC );
- memcpy( p_track->fmt.p_extra, p_avcC->data.p_avcC->p_avcC,
+ p_track->fmt.p_extra = malloc( BOXDATA(p_avcC)->i_avcC );
+ memcpy( p_track->fmt.p_extra, BOXDATA(p_avcC)->p_avcC,
p_track->fmt.i_extra );
}
}
}
break;
}
+ case VLC_FOURCC( 'h', 'v', 'c', '1' ):
+ case VLC_FOURCC( 'h', 'e', 'v', '1' ):
+ {
+ MP4_Box_t *p_hvcC = MP4_BoxGet( p_sample, "hvcC" );
+
+ if( p_hvcC )
+ {
+ p_track->fmt.i_extra = p_hvcC->data.p_hvcC->i_hvcC;
+ if( p_track->fmt.i_extra > 0 )
+ {
+ p_track->fmt.p_extra = malloc( p_hvcC->data.p_hvcC->i_hvcC );
+ memcpy( p_track->fmt.p_extra, p_hvcC->data.p_hvcC->p_hvcC,
+ p_track->fmt.i_extra );
+ }
+ p_track->fmt.i_codec = VLC_CODEC_HEVC;
+ }
+ else
+ {
+ msg_Err( p_demux, "missing hvcC" );
+ }
+ break;
+ }
+
case VLC_CODEC_ADPCM_MS:
case VLC_CODEC_ADPCM_IMA_WAV:
/* handle elst (find the correct one) */
MP4_TrackSetELST( p_demux, p_track, i_start );
- if( p_track->p_elst && p_track->p_elst->data.p_elst->i_entry_count > 0 )
+ if( p_track->p_elst && p_track->BOXDATA(p_elst)->i_entry_count > 0 )
{
- MP4_Box_data_elst_t *elst = p_track->p_elst->data.p_elst;
- int64_t i_mvt= i_start * p_sys->i_timescale / (int64_t)1000000;
+ MP4_Box_data_elst_t *elst = p_track->BOXDATA(p_elst);
+ int64_t i_mvt= i_start * p_sys->i_timescale / CLOCK_FREQ;
/* now calculate i_start for this elst */
/* offset */
- i_start -= p_track->i_elst_time * INT64_C(1000000) / p_sys->i_timescale;
+ i_start -= p_track->i_elst_time * CLOCK_FREQ / p_sys->i_timescale;
if( i_start < 0 )
{
*pi_chunk = 0;
return VLC_SUCCESS;
}
/* to track time scale */
- i_start = i_start * p_track->i_timescale / (int64_t)1000000;
+ i_start = i_start * p_track->i_timescale / CLOCK_FREQ;
/* add elst offset */
if( ( elst->i_media_rate_integer[p_track->i_elst] > 0 ||
elst->i_media_rate_fraction[p_track->i_elst] > 0 ) &&
else
{
/* convert absolute time to in timescale unit */
- i_start = i_start * p_track->i_timescale / (int64_t)1000000;
+ i_start = i_start * p_track->i_timescale / CLOCK_FREQ;
}
/* we start from sample 0/chunk 0, hope it won't take too much time */
i_sample < p_stss->i_sample_number[i_index+1] )
{
unsigned i_sync_sample = p_stss->i_sample_number[i_index];
- msg_Dbg( p_demux, "stts gives %d --> %d (sample number)",
+ msg_Dbg( p_demux, "stss gives %d --> %d (sample number)",
i_sample, i_sync_sample );
if( i_sync_sample <= i_sample )
MP4_Box_t *p_vmhd;
MP4_Box_t *p_smhd;
- char language[4];
+ char language[4] = { '\0' };
/* hint track unsupported */
/* do we launch this track by default ? */
p_track->b_enable =
- ( ( p_tkhd->data.p_tkhd->i_flags&MP4_TRACK_ENABLED ) != 0 );
+ ( ( BOXDATA(p_tkhd)->i_flags&MP4_TRACK_ENABLED ) != 0 );
if( !p_track->b_enable )
- p_track->fmt.i_priority = -1;
+ p_track->fmt.i_priority = ES_PRIORITY_NOT_DEFAULTABLE;
- p_track->i_track_ID = p_tkhd->data.p_tkhd->i_track_ID;
+ p_track->i_track_ID = BOXDATA(p_tkhd)->i_track_ID;
- p_track->i_width = p_tkhd->data.p_tkhd->i_width / 65536;
- p_track->i_height = p_tkhd->data.p_tkhd->i_height / 65536;
- p_track->f_rotation = p_tkhd->data.p_tkhd->f_rotation;
+ p_track->i_width = BOXDATA(p_tkhd)->i_width / BLOCK16x16;
+ p_track->i_height = BOXDATA(p_tkhd)->i_height / BLOCK16x16;
+ p_track->f_rotation = BOXDATA(p_tkhd)->f_rotation;
if( p_tref )
{
return;
}
- p_track->i_timescale = p_mdhd->data.p_mdhd->i_timescale;
- if( !p_track->i_timescale )
+ p_track->i_timescale = BOXDATA(p_mdhd)->i_timescale;
+ if( p_track->i_timescale == 0 )
return;
- if( p_mdhd->data.p_mdhd->i_language_code < 0x800 )
+ if( BOXDATA(p_mdhd)->i_language_code < 0x400 )
{
- /* We can convert i_language_code into iso 639 code,
- * I won't */
- strcpy( language, MP4_ConvertMacCode( p_mdhd->data.p_mdhd->i_language_code ) );
+ strcpy( language, MP4_ConvertMacCode( BOXDATA(p_mdhd)->i_language_code ) );
p_track->b_mac_encoding = true;
}
+ else if( BOXDATA(p_mdhd)->i_language_code == 0x7fff )
+ p_track->b_mac_encoding = true;
else
{
for( unsigned i = 0; i < 3; i++ )
- language[i] = p_mdhd->data.p_mdhd->i_language[i];
+ language[i] = BOXDATA(p_mdhd)->i_language[i];
language[3] = '\0';
}
p_track->fmt.i_cat = VIDEO_ES;
break;
+ case( ATOM_tx3g ):
case( ATOM_text ):
case( ATOM_subp ):
- case( ATOM_tx3g ):
case( ATOM_sbtl ):
+ p_track->fmt.i_codec = VLC_CODEC_TX3G;
p_track->fmt.i_cat = SPU_ES;
break;
p_track->i_elst_time = 0;
if( ( p_track->p_elst = p_elst = MP4_BoxGet( p_box_trak, "edts/elst" ) ) )
{
- MP4_Box_data_elst_t *elst = p_elst->data.p_elst;
+ MP4_Box_data_elst_t *elst = BOXDATA(p_elst);
unsigned int i;
msg_Warn( p_demux, "elst box found" );
if( TrackCreateChunksIndex( p_demux,p_track ) ||
TrackCreateSamplesIndex( p_demux, p_track ) )
{
+ msg_Err( p_demux, "cannot create chunks index" );
return; /* cannot create chunks index */
}
for( i = 0; i < p_chap->i_entry_count; i++ )
{
- if( p_track->i_track_ID == p_chap->i_track_ID[i] )
+ if( p_track->i_track_ID == p_chap->i_track_ID[i] &&
+ p_track->fmt.i_cat == UNKNOWN_ES )
{
p_track->b_chapter = true;
p_track->b_enable = false;
msg_Warn( p_demux, "Enabling track[Id 0x%x] (buggy file without enabled track)",
p_track->i_track_ID );
p_track->b_enable = true;
- p_track->fmt.i_priority = 0;
+ p_track->fmt.i_priority = ES_PRIORITY_SELECTABLE_MIN;
}
p_track->p_es = NULL;
#endif
}
+static void FreeAndResetChunk( mp4_chunk_t *ck )
+{
+ free( ck->p_sample_count_dts );
+ free( ck->p_sample_delta_dts );
+ free( ck->p_sample_count_pts );
+ free( ck->p_sample_offset_pts );
+ free( ck->p_sample_size );
+ for( uint32_t i = 0; i < ck->i_sample_count; i++ )
+ free( ck->p_sample_data[i] );
+ free( ck->p_sample_data );
+ memset( ck, 0, sizeof( mp4_chunk_t ) );
+}
+
/****************************************************************************
* MP4_TrackDestroy:
****************************************************************************
}
}
FREENULL( p_track->chunk );
+ if( p_track->cchunk ) {
+ FreeAndResetChunk( p_track->cchunk );
+ FREENULL( p_track->cchunk );
+ }
if( !p_track->i_sample_size )
{
*
*/
#define QT_V0_MAX_SAMPLES 1024
-static int MP4_TrackSampleSize( mp4_track_t *p_track )
+static uint32_t MP4_TrackSampleSize( mp4_track_t *p_track, uint32_t *pi_nb_samples )
{
- int i_size;
+ uint32_t i_size;
MP4_Box_data_sample_soun_t *p_soun;
if( p_track->i_sample_size == 0 )
{
/* most simple case */
+ *pi_nb_samples = 1;
return p_track->p_sample_size[p_track->i_sample];
}
+
if( p_track->fmt.i_cat != AUDIO_ES )
{
+ *pi_nb_samples = 1;
return p_track->i_sample_size;
}
if( p_soun->i_qt_version == 1 )
{
- int i_samples = p_track->chunk[p_track->i_chunk].i_sample_count;
+ uint32_t i_samples = p_track->chunk[p_track->i_chunk].i_sample_count;
if( p_track->fmt.audio.i_blockalign > 1 )
i_samples = p_soun->i_sample_per_packet;
-
- i_size = i_samples / p_soun->i_sample_per_packet * p_soun->i_bytes_per_frame;
+ i_size = i_samples / p_soun->i_sample_per_packet;
+ if ( UINT32_MAX / i_size >= p_soun->i_bytes_per_frame )
+ i_size *= p_soun->i_bytes_per_frame;
+ else
+ i_size = UINT32_MAX;
+ *pi_nb_samples = i_samples;
}
else if( p_track->i_sample_size > 256 )
{
/* We do that so we don't read too much data
* (in this case we are likely dealing with compressed data) */
i_size = p_track->i_sample_size;
+ *pi_nb_samples = 1;
}
else
{
- /* Read a bunch of samples at once */
- int i_samples = p_track->chunk[p_track->i_chunk].i_sample_count -
- ( p_track->i_sample -
- p_track->chunk[p_track->i_chunk].i_sample_first );
+ mp4_chunk_t *p_chunk = &p_track->chunk[p_track->i_chunk];
+ int64_t i_length = CLOCK_FREQ / 10;
+ uint32_t i_samples = 0;
+ uint32_t i_maxsamples = 0;
+ for( uint32_t i=p_track->i_sample; i<p_chunk->i_sample_count; i++ )
+ {
+ i_length -= CLOCK_FREQ * p_chunk->p_sample_delta_dts[i] / p_track->i_timescale;
+ if ( i_length < 0 ) break;
+ i_maxsamples++;
+ }
i_samples = __MIN( QT_V0_MAX_SAMPLES, i_samples );
+ i_samples = __MIN( i_maxsamples, i_samples );
+ if ( i_samples == 0 ) i_samples = 1;
i_size = i_samples * p_track->i_sample_size;
+ *pi_nb_samples = i_samples;
}
//fprintf( stderr, "size=%d\n", i_size );
return i_pos;
}
-static int MP4_TrackNextSample( demux_t *p_demux, mp4_track_t *p_track )
+static int MP4_TrackNextSample( demux_t *p_demux, mp4_track_t *p_track, uint32_t i_samples )
{
if( p_track->fmt.i_cat == AUDIO_ES && p_track->i_sample_size != 0 )
{
else
{
/* FIXME */
- p_track->i_sample += QT_V0_MAX_SAMPLES;
+ p_track->i_sample += i_samples;
if( p_track->i_sample >
p_track->chunk[p_track->i_chunk].i_sample_first +
p_track->chunk[p_track->i_chunk].i_sample_count )
}
/* Have we changed elst */
- if( p_track->p_elst && p_track->p_elst->data.p_elst->i_entry_count > 0 )
+ if( p_track->p_elst && p_track->BOXDATA(p_elst)->i_entry_count > 0 )
{
demux_sys_t *p_sys = p_demux->p_sys;
- MP4_Box_data_elst_t *elst = p_track->p_elst->data.p_elst;
+ MP4_Box_data_elst_t *elst = p_track->BOXDATA(p_elst);
uint64_t i_mvt = MP4_TrackGetDTS( p_demux, p_track ) *
- p_sys->i_timescale / (int64_t)1000000;
+ p_sys->i_timescale / CLOCK_FREQ;
if( (unsigned int)p_track->i_elst < elst->i_entry_count &&
i_mvt >= p_track->i_elst_time +
/* handle elst (find the correct one) */
tk->i_elst = 0;
tk->i_elst_time = 0;
- if( tk->p_elst && tk->p_elst->data.p_elst->i_entry_count > 0 )
+ if( tk->p_elst && tk->BOXDATA(p_elst)->i_entry_count > 0 )
{
- MP4_Box_data_elst_t *elst = tk->p_elst->data.p_elst;
- int64_t i_mvt= i_time * p_sys->i_timescale / (int64_t)1000000;
+ MP4_Box_data_elst_t *elst = tk->BOXDATA(p_elst);
+ int64_t i_mvt= i_time * p_sys->i_timescale / CLOCK_FREQ;
for( tk->i_elst = 0; (unsigned int)tk->i_elst < elst->i_entry_count; tk->i_elst++ )
{
}
return "";
}
+
+/******************************************************************************
+ * Here are the functions used for fragmented MP4
+ *****************************************************************************/
+
+/**
+ * It computes the sample rate for a video track using current video chunk
+ */
+static void ChunkGetESSampleRate( unsigned *pi_num, unsigned *pi_den,
+ const mp4_track_t *p_track )
+{
+ if( p_track->cchunk->i_last_dts == 0 )
+ return;
+
+ *pi_num = 0;
+ *pi_den = 0;
+
+ /* */
+ const mp4_chunk_t *p_chunk = p_track->cchunk;
+
+ uint32_t i_sample = p_chunk->i_sample_count;
+ uint64_t i_first_dts = p_chunk->i_first_dts;
+ uint64_t i_last_dts = p_chunk->i_last_dts;
+
+ if( i_sample > 1 && i_first_dts < i_last_dts )
+ vlc_ureduce( pi_num, pi_den,
+ ( i_sample - 1) * p_track->i_timescale,
+ i_last_dts - i_first_dts,
+ UINT16_MAX);
+}
+
+/**
+ * Build raw avcC box (without the 8 bytes header)
+ * \return The size of the box.
+ */
+static int build_raw_avcC( uint8_t **p_extra, const uint8_t *CodecPrivateData,
+ const unsigned cpd_len )
+{
+ uint8_t *avcC;
+ unsigned sps_len = 0, pps_len = 0;
+ const uint32_t mark = 0x00000001;
+
+ assert( CodecPrivateData[0] == 0 );
+ assert( CodecPrivateData[1] == 0 );
+ assert( CodecPrivateData[2] == 0 );
+ assert( CodecPrivateData[3] == 1 );
+
+ uint32_t length = cpd_len + 3;
+ avcC = calloc( length, 1 );
+ if( unlikely( avcC == NULL ) )
+ return 0;
+
+ uint8_t *sps = avcC + 8;
+
+ uint32_t candidate = ~mark;
+ CodecPrivateData += 4;
+ for( unsigned i = 0; i < cpd_len - 4; i++ )
+ {
+ sps[i] = CodecPrivateData[i];
+ candidate = (candidate << 8) | CodecPrivateData[i];
+ if( candidate == mark )
+ {
+ sps_len = i - 3;
+ break;
+ }
+ }
+ if( sps_len == 0 )
+ {
+ free( avcC );
+ return 0;
+ }
+ uint8_t *pps = sps + sps_len + 3;
+ pps_len = cpd_len - sps_len - 4 * 2;
+ memcpy( pps, CodecPrivateData + sps_len + 4, pps_len );
+
+ /* XXX */
+ uint8_t AVCProfileIndication = 0x64;
+ uint8_t profile_compatibility = 0x40;
+ uint8_t AVCLevelIndication = 0x1f;
+ uint8_t lengthSizeMinusOne = 0x03;
+
+ avcC[0] = 1;
+ avcC[1] = AVCProfileIndication;
+ avcC[2] = profile_compatibility;
+ avcC[3] = AVCLevelIndication;
+ avcC[4] = 0xfc + lengthSizeMinusOne;
+ avcC[5] = 0xe0 + 1;
+ avcC[6] = (sps_len & 0xff00)>>8;
+ avcC[7] = sps_len & 0xff;
+
+ avcC[8+sps_len] = 1;
+ avcC[9+sps_len] = (pps_len & 0xff00) >> 8;
+ avcC[10+sps_len] = pps_len & 0xff;
+
+ *p_extra = avcC;
+ return length;
+}
+
+/**
+ * Build a mp4_track_t from a StraBox
+ */
+
+static inline int MP4_SetCodecExtraData( es_format_t *fmt, MP4_Box_data_stra_t *p_data )
+{
+ fmt->i_extra = p_data->cpd_len;
+ fmt->p_extra = malloc( p_data->cpd_len );
+ if( unlikely( !fmt->p_extra ) )
+ return VLC_ENOMEM;
+ memcpy( fmt->p_extra, p_data->CodecPrivateData, p_data->cpd_len );
+ return VLC_SUCCESS;
+ }
+
+static int MP4_frg_TrackCreate( demux_t *p_demux, mp4_track_t *p_track, MP4_Box_t *p_stra )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ int ret;
+ MP4_Box_data_stra_t *p_data = BOXDATA(p_stra);
+ if( !p_data )
+ return VLC_EGENERIC;
+
+ p_track->b_ok = true;
+ p_track->b_selected = false;
+ p_track->i_sample_count = UINT32_MAX;
+
+ p_track->i_timescale = p_sys->i_timescale;
+ p_track->i_width = p_data->MaxWidth;
+ p_track->i_height = p_data->MaxHeight;
+ p_track->i_track_ID = p_data->i_track_ID;
+
+ es_format_t *fmt = &p_track->fmt;
+ if( fmt == NULL )
+ return VLC_EGENERIC;
+
+ es_format_Init( fmt, p_data->i_es_cat, 0 );
+
+ /* Set language FIXME */
+ fmt->psz_language = strdup( "en" );
+
+ fmt->i_original_fourcc = p_data->FourCC;
+ fmt->i_codec = vlc_fourcc_GetCodec( fmt->i_cat, p_data->FourCC );
+
+ uint8_t **p_extra = (uint8_t **)&fmt->p_extra;
+ /* See http://msdn.microsoft.com/en-us/library/ff728116%28v=vs.90%29.aspx
+ * for MS weird use of FourCC*/
+ switch( fmt->i_cat )
+ {
+ case VIDEO_ES:
+ if( p_data->FourCC == VLC_FOURCC( 'A', 'V', 'C', '1' ) ||
+ p_data->FourCC == VLC_FOURCC( 'A', 'V', 'C', 'B' ) ||
+ p_data->FourCC == VLC_FOURCC( 'H', '2', '6', '4' ) )
+ {
+ fmt->i_extra = build_raw_avcC( p_extra,
+ p_data->CodecPrivateData, p_data->cpd_len );
+ }
+ else
+ {
+ ret = MP4_SetCodecExtraData( fmt, p_data );
+ if( ret != VLC_SUCCESS )
+ return ret;
+ }
+
+ fmt->video.i_width = p_data->MaxWidth;
+ fmt->video.i_height = p_data->MaxHeight;
+ fmt->video.i_bits_per_pixel = 0x18;
+ fmt->video.i_visible_width = p_data->MaxWidth;
+ fmt->video.i_visible_height = p_data->MaxHeight;
+
+ /* Frame rate */
+ ChunkGetESSampleRate( &fmt->video.i_frame_rate,
+ &fmt->video.i_frame_rate_base, p_track );
+
+ if( fmt->video.i_frame_rate_base != 0 )
+ {
+ p_demux->p_sys->f_fps = (float)fmt->video.i_frame_rate /
+ (float)fmt->video.i_frame_rate_base;
+ }
+ else
+ p_demux->p_sys->f_fps = 24;
+
+ break;
+
+ case AUDIO_ES:
+ fmt->audio.i_channels = p_data->Channels;
+ fmt->audio.i_rate = p_data->SamplingRate;
+ fmt->audio.i_bitspersample = p_data->BitsPerSample;
+ fmt->audio.i_blockalign = p_data->nBlockAlign;
+
+ fmt->i_bitrate = p_data->Bitrate;
+
+ ret = MP4_SetCodecExtraData( fmt, p_data );
+ if( ret != VLC_SUCCESS )
+ return ret;
+
+ break;
+
+ default:
+ break;
+ }
+
+ return VLC_SUCCESS;
+}
+
+/**
+ * Return the track identified by tid
+ */
+static mp4_track_t *MP4_frg_GetTrackByID( demux_t *p_demux, const uint32_t tid )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+
+ mp4_track_t *ret = NULL;
+ for( unsigned i = 0; i < p_sys->i_tracks; i++ )
+ {
+ ret = &p_sys->track[i];
+ if( ret->i_track_ID == tid )
+ return ret;
+ }
+ msg_Err( p_demux, "MP4_frg_GetTrack: track %"PRIu32" not found!", tid );
+ return NULL;
+}
+
+static void FlushChunk( demux_t *p_demux, mp4_track_t *tk )
+{
+ msg_Dbg( p_demux, "Flushing chunk for track id %u", tk->i_track_ID );
+ mp4_chunk_t *ck = tk->cchunk;
+ while( ck->i_sample < ck->i_sample_count )
+ {
+ block_t *p_block;
+ int64_t i_delta;
+
+ if( ck->p_sample_size == NULL || ck->p_sample_data == NULL )
+ return;
+
+ uint32_t sample_size = ck->p_sample_size[ck->i_sample];
+ assert( sample_size > 0 );
+ p_block = block_Alloc( sample_size );
+ if( unlikely( !p_block ) )
+ return;
+
+ uint8_t *src = ck->p_sample_data[ck->i_sample];
+ memcpy( p_block->p_buffer, src, sample_size );
+ ck->i_sample++;
+
+ /* dts */
+ p_block->i_dts = VLC_TS_0 + MP4_TrackGetDTS( p_demux, tk );
+ /* pts */
+ i_delta = MP4_TrackGetPTSDelta( p_demux, tk );
+ if( i_delta != -1 )
+ p_block->i_pts = p_block->i_dts + i_delta;
+ else if( tk->fmt.i_cat != VIDEO_ES )
+ p_block->i_pts = p_block->i_dts;
+ else
+ p_block->i_pts = VLC_TS_INVALID;
+
+ es_out_Send( p_demux->out, tk->p_es, p_block );
+
+ tk->i_sample++;
+ }
+}
+
+/**
+ * Re-init decoder.
+ * \Note If we call that function too soon,
+ * before the track has been selected by MP4_TrackSelect
+ * (during the first execution of Demux), then the track gets disabled
+ */
+static int ReInitDecoder( demux_t *p_demux, mp4_track_t *p_track )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+
+ uint32_t i_sample = 0;
+ bool b_smooth = false;
+ MP4_Box_t *p_stra = NULL, *p_trak = NULL;
+
+ if( !CmpUUID( &p_sys->p_root->p_first->i_uuid, &SmooBoxUUID ) )
+ b_smooth = true;
+
+ if( b_smooth )
+ {
+ p_stra = MP4_BoxGet( p_sys->p_root, "uuid/uuid[0]" );
+ if( !p_stra || CmpUUID( &p_stra->i_uuid, &StraBoxUUID ) )
+ return VLC_EGENERIC;
+ }
+ else /* DASH */
+ {
+ p_trak = MP4_BoxGet( p_sys->p_root, "/moov/trak[0]" );
+ if( !p_trak )
+ return VLC_EGENERIC;
+ }
+
+ i_sample = p_track->i_sample;
+ es_out_Del( p_demux->out, p_track->p_es );
+ es_format_Clean( &p_track->fmt );
+
+ if( b_smooth )
+ MP4_frg_TrackCreate( p_demux, p_track, p_stra );
+ else /* DASH */
+ MP4_TrackCreate( p_demux, p_track, p_trak, true );
+
+ p_track->i_sample = i_sample;
+
+ /* Temporary hack until we support track selection */
+ p_track->b_selected = true;
+ p_track->b_ok = true;
+ p_track->b_enable = true;
+
+ p_track->p_es = es_out_Add( p_demux->out, &p_track->fmt );
+ p_track->b_codec_need_restart = false;
+
+ return VLC_SUCCESS;
+}
+
+/**
+ * This function fills a mp4_chunk_t structure from a MP4_Box_t (p_chunk).
+ * The 'i_tk_id' argument returns the ID of the track the chunk belongs to.
+ * \note p_chunk usually contains a 'moof' and a 'mdat', and might contain a 'sidx'.
+ * \return VLC_SUCCESS, VLC_EGENERIC or VLC_ENOMEM.
+ */
+static int MP4_frg_GetChunk( demux_t *p_demux, MP4_Box_t *p_chunk, unsigned *i_tk_id )
+{
+ MP4_Box_t *p_sidx = MP4_BoxGet( p_chunk, "sidx" );
+ MP4_Box_t *p_moof = MP4_BoxGet( p_chunk, "moof" );
+ if( p_moof == NULL)
+ {
+ msg_Warn( p_demux, "no moof box found!" );
+ return VLC_EGENERIC;
+ }
+
+ MP4_Box_t *p_traf = MP4_BoxGet( p_moof, "traf" );
+ if( p_traf == NULL)
+ {
+ msg_Warn( p_demux, "no traf box found!" );
+ return VLC_EGENERIC;
+ }
+
+ MP4_Box_t *p_tfhd = MP4_BoxGet( p_traf, "tfhd" );
+ if( p_tfhd == NULL)
+ {
+ msg_Warn( p_demux, "no tfhd box found!" );
+ return VLC_EGENERIC;
+ }
+
+ uint32_t i_track_ID = BOXDATA(p_tfhd)->i_track_ID;
+ *i_tk_id = i_track_ID;
+ assert( i_track_ID > 0 );
+ msg_Dbg( p_demux, "GetChunk: track ID is %"PRIu32"", i_track_ID );
+
+ mp4_track_t *p_track = MP4_frg_GetTrackByID( p_demux, i_track_ID );
+ if( !p_track )
+ return VLC_EGENERIC;
+
+ mp4_chunk_t *ret = p_track->cchunk;
+
+ if( BOXDATA(p_tfhd)->b_empty )
+ msg_Warn( p_demux, "No samples in this chunk!" );
+
+ /* Usually we read 100 ms of each track. However, suppose we have two tracks,
+ * Ta and Tv (audio and video). Suppose also that Ta is the first track to be
+ * read, i.e. we read 100 ms of Ta, then 100 ms of Tv, then 100 ms of Ta,
+ * and so on. Finally, suppose that we get the chunks the other way around,
+ * i.e. first a chunk of Tv, then a chunk of Ta, then a chunk of Tv, and so on.
+ * In that case, it is very likely that at some point, Ta->cchunk or Tv->cchunk
+ * is not emptied when MP4_frg_GetChunks is called. It is therefore necessary to
+ * flush it, i.e. send to the decoder the samples not yet sent.
+ * Note that all the samples to be flushed should worth less than 100 ms,
+ * (though I did not do the formal proof) and thus this flushing mechanism
+ * should not cause A/V sync issues, or delays or whatever.
+ */
+ if( ret->i_sample < ret->i_sample_count )
+ FlushChunk( p_demux, p_track );
+
+ if( ret->i_sample_count )
+ FreeAndResetChunk( ret );
+
+ uint32_t default_duration = 0;
+ if( BOXDATA(p_tfhd)->i_flags & MP4_TFHD_DFLT_SAMPLE_DURATION )
+ default_duration = BOXDATA(p_tfhd)->i_default_sample_duration;
+
+ uint32_t default_size = 0;
+ if( BOXDATA(p_tfhd)->i_flags & MP4_TFHD_DFLT_SAMPLE_SIZE )
+ default_size = BOXDATA(p_tfhd)->i_default_sample_size;
+
+ MP4_Box_t *p_trun = MP4_BoxGet( p_traf, "trun");
+ if( p_trun == NULL)
+ {
+ msg_Warn( p_demux, "no trun box found!" );
+ return VLC_EGENERIC;
+ }
+ MP4_Box_data_trun_t *p_trun_data = p_trun->data.p_trun;
+
+ ret->i_sample_count = p_trun_data->i_sample_count;
+ assert( ret->i_sample_count > 0 );
+ ret->i_sample_description_index = 1; /* seems to be always 1, is it? */
+ ret->i_sample_first = p_track->i_sample_first;
+ p_track->i_sample_first += ret->i_sample_count;
+
+ ret->i_first_dts = p_track->i_first_dts;
+
+ /* XXX I already saw DASH content with no default_duration and no
+ * MP4_TRUN_SAMPLE_DURATION flag, but a sidx box was present.
+ * This chunk of code might be buggy with segments having
+ * more than one subsegment. */
+ if( !default_duration )
+ {
+ MP4_Box_t *p_trex = MP4_GetTrexByTrackID( p_moof, i_track_ID );
+ if ( p_trex )
+ default_duration = BOXDATA(p_trex)->i_default_sample_duration;
+ else if( p_sidx )
+ {
+ MP4_Box_data_sidx_t *p_sidx_data = BOXDATA(p_sidx);
+ assert( p_sidx_data->i_reference_count == 1 );
+
+ if( p_sidx_data->i_timescale == 0 )
+ return VLC_EGENERIC;
+
+ unsigned i_chunk_duration = p_sidx_data->p_items[0].i_subsegment_duration /
+ p_sidx_data->i_timescale;
+ default_duration = i_chunk_duration * p_track->i_timescale / ret->i_sample_count;
+
+ }
+ }
+
+ msg_Dbg( p_demux, "Default sample duration is %"PRIu32, default_duration );
+
+ ret->p_sample_count_dts = calloc( ret->i_sample_count, sizeof( uint32_t ) );
+ ret->p_sample_delta_dts = calloc( ret->i_sample_count, sizeof( uint32_t ) );
+
+ if( !ret->p_sample_count_dts || !ret->p_sample_delta_dts )
+ return VLC_ENOMEM;
+
+ ret->p_sample_count_pts = calloc( ret->i_sample_count, sizeof( uint32_t ) );
+ if( !ret->p_sample_count_pts )
+ return VLC_ENOMEM;
+
+ if( p_trun_data->i_flags & MP4_TRUN_SAMPLE_TIME_OFFSET )
+ {
+ ret->p_sample_offset_pts = calloc( ret->i_sample_count, sizeof( int32_t ) );
+ if( !ret->p_sample_offset_pts )
+ return VLC_ENOMEM;
+ }
+
+ ret->p_sample_size = calloc( ret->i_sample_count, sizeof( uint32_t ) );
+ if( !ret->p_sample_size )
+ return VLC_ENOMEM;
+
+ ret->p_sample_data = calloc( ret->i_sample_count, sizeof( uint8_t * ) );
+ if( !ret->p_sample_data )
+ return VLC_ENOMEM;
+
+ uint32_t dur = 0, i_mdatlen = 0, len;
+ uint32_t chunk_duration = 0, chunk_size = 0;
+
+ /* Skip header of mdat */
+ uint8_t mdat[8];
+ int i_read = stream_Read( p_demux->s, &mdat, 8 );
+ i_mdatlen = GetDWBE( mdat );
+ if ( i_read < 8 || i_mdatlen < 8 ||
+ VLC_FOURCC( mdat[4], mdat[5], mdat[6], mdat[7] ) != ATOM_mdat )
+ return VLC_EGENERIC;
+
+ for( uint32_t i = 0; i < ret->i_sample_count; i++)
+ {
+ if( p_trun_data->i_flags & MP4_TRUN_SAMPLE_DURATION )
+ dur = p_trun_data->p_samples[i].i_duration;
+ else
+ dur = default_duration;
+ ret->p_sample_delta_dts[i] = dur;
+ chunk_duration += dur;
+
+ ret->p_sample_count_dts[i] = ret->p_sample_count_pts[i] = 1;
+
+ if( ret->p_sample_offset_pts )
+ {
+ if ( p_trun_data->i_version == 0 )
+ ret->p_sample_offset_pts[i] = (int32_t) p_trun_data->p_samples[i].i_composition_time_offset;
+ else
+ ret->p_sample_offset_pts[i] = __MIN( INT32_MAX, p_trun_data->p_samples[i].i_composition_time_offset );
+ }
+
+ if( p_trun_data->i_flags & MP4_TRUN_SAMPLE_SIZE )
+ len = ret->p_sample_size[i] = p_trun_data->p_samples[i].i_size;
+ else
+ len = ret->p_sample_size[i] = default_size;
+
+ if ( chunk_size + len > ( i_mdatlen - 8 ) )
+ return VLC_EGENERIC;
+
+ ret->p_sample_data[i] = malloc( len );
+ if( ret->p_sample_data[i] == NULL )
+ return VLC_ENOMEM;
+ uint32_t i_read = stream_ReadU32( p_demux->s, ret->p_sample_data[i], len );
+ if( i_read < len )
+ return VLC_EGENERIC;
+ chunk_size += len;
+ }
+ ret->i_last_dts = ret->i_first_dts + chunk_duration - dur;
+ p_track->i_first_dts = chunk_duration + ret->i_first_dts;
+
+ if( p_track->b_codec_need_restart &&
+ p_track->fmt.i_cat == VIDEO_ES )
+ ReInitDecoder( p_demux, p_track );
+
+ /* Skip if we didn't reach the end of mdat box */
+ if ( chunk_size < (i_mdatlen - 8) )
+ stream_ReadU32( p_demux->s, NULL, i_mdatlen - chunk_size - 8 );
+
+ p_track->b_has_non_empty_cchunk = true;
+ return VLC_SUCCESS;
+}
+
+/**
+ * Get the next chunk of the track identified by i_tk_id.
+ * \Note We don't want to seek all the time, so if the first chunk given by the
+ * input method doesn't belong to the right track, we don't throw it away,
+ * and so, in general, this function fetch more than one chunk.
+ * Not to mention that a new init segment might be put everywhere
+ * between two chunks by the input method.
+ */
+static int MP4_frg_GetChunks( demux_t *p_demux, const unsigned i_tk_id )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ mp4_track_t *p_track;
+
+ for( unsigned i = 0; i < p_sys->i_tracks; i++ )
+ {
+ MP4_Box_t *p_chunk = MP4_BoxGetNextChunk( p_demux->s );
+ if( !p_chunk )
+ return VLC_EGENERIC;
+
+ if( !p_chunk->p_first )
+ goto MP4_frg_GetChunks_Error;
+ uint32_t i_type = p_chunk->p_first->i_type;
+ uint32_t tid = 0;
+ if( i_type == ATOM_uuid || i_type == ATOM_ftyp )
+ {
+ MP4_BoxFree( p_demux->s, p_sys->p_root );
+ p_sys->p_root = p_chunk;
+
+ if( i_type == ATOM_ftyp ) /* DASH */
+ {
+ MP4_Box_t *p_tkhd = MP4_BoxGet( p_chunk, "/moov/trak[0]/tkhd" );
+ if( !p_tkhd )
+ {
+ msg_Warn( p_demux, "No tkhd found!" );
+ goto MP4_frg_GetChunks_Error;
+ }
+ tid = BOXDATA(p_tkhd)->i_track_ID;
+ }
+ else /* Smooth Streaming */
+ {
+ assert( !CmpUUID( &p_chunk->p_first->i_uuid, &SmooBoxUUID ) );
+ MP4_Box_t *p_stra = MP4_BoxGet( p_chunk, "/uuid/uuid[0]" );
+ if( !p_stra || CmpUUID( &p_stra->i_uuid, &StraBoxUUID ) )
+ {
+ msg_Warn( p_demux, "No StraBox found!" );
+ goto MP4_frg_GetChunks_Error;
+ }
+ tid = BOXDATA(p_stra)->i_track_ID;
+ }
+
+ p_track = MP4_frg_GetTrackByID( p_demux, tid );
+ if( !p_track )
+ goto MP4_frg_GetChunks_Error;
+ p_track->b_codec_need_restart = true;
+
+ return MP4_frg_GetChunks( p_demux, i_tk_id );
+ }
+
+ if( MP4_frg_GetChunk( p_demux, p_chunk, &tid ) != VLC_SUCCESS )
+ goto MP4_frg_GetChunks_Error;
+
+ MP4_BoxFree( p_demux->s, p_chunk );
+
+ if( tid == i_tk_id )
+ break;
+ else
+ continue;
+
+MP4_frg_GetChunks_Error:
+ MP4_BoxFree( p_demux->s, p_chunk );
+ return VLC_EGENERIC;
+ }
+
+ return VLC_SUCCESS;
+}
+
+static int MP4_frg_TrackSelect( demux_t *p_demux, mp4_track_t *p_track )
+{
+ if( !p_track->b_ok || p_track->b_chapter )
+ {
+ return VLC_EGENERIC;
+ }
+
+ if( p_track->b_selected )
+ {
+ msg_Warn( p_demux, "track[Id 0x%x] already selected", p_track->i_track_ID );
+ return VLC_SUCCESS;
+ }
+
+ msg_Dbg( p_demux, "Select track id %u", p_track->i_track_ID );
+ p_track->b_selected = true;
+ return VLC_SUCCESS;
+}
+
+
+/* Keeps an ordered chain of all fragments */
+static bool AddFragment( demux_t *p_demux, MP4_Box_t *p_moox )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ mp4_fragment_t *p_base_fragment = & p_sys->moovfragment;
+ if ( !p_moox )
+ return false;
+
+ if( p_moox->i_type == ATOM_moov )
+ {
+ if ( !p_sys->moovfragment.p_moox )
+ {
+ p_sys->moovfragment.p_moox = p_moox;
+
+ MP4_Box_t *p_mvhd;
+ if( (p_mvhd = MP4_BoxGet( p_moox, "mvhd" )) )
+ {
+ p_sys->i_timescale = BOXDATA(p_mvhd)->i_timescale;
+ p_sys->moovfragment.i_duration = BOXDATA(p_mvhd)->i_duration;
+ }
+ msg_Dbg( p_demux, "added fragment %4.4s", (char*) &p_moox->i_type );
+ return true;
+ }
+ return false;
+ }
+ else // p_moox->i_type == ATOM_moof
+ {
+ assert(p_moox->i_type == ATOM_moof);
+ mp4_fragment_t *p_fragment = p_sys->moovfragment.p_next;
+ while ( p_fragment )
+ {
+ if ( !p_base_fragment->p_moox || p_moox->i_pos > p_base_fragment->p_moox->i_pos )
+ {
+ p_base_fragment = p_fragment;
+ p_fragment = p_fragment->p_next;
+ }
+ else if ( p_moox->i_pos == p_base_fragment->p_moox->i_pos )
+ {
+ /* already exists */
+ return false;
+ }
+ }
+ }
+
+ /* Add the moof fragment */
+ mp4_fragment_t *p_new = malloc(sizeof(mp4_fragment_t));
+ if ( !p_new ) return false;
+ p_new->p_moox = p_moox;
+ p_new->i_duration = 0;
+ p_new->p_next = p_base_fragment->p_next;
+ p_base_fragment->p_next = p_new;
+ msg_Dbg( p_demux, "added fragment %4.4s", (char*) &p_moox->i_type );
+
+ /* we have to probe all fragments :/ */
+ uint64_t i_traf_base_data_offset = 0;
+ uint64_t i_traf_min_offset = 0;
+ uint32_t i_traf = 0;
+ uint32_t i_traf_total_size = 0;
+ uint32_t i_trafs_total_size = 0;
+
+ MP4_Box_t *p_traf = MP4_BoxGet( p_new->p_moox, "traf" );
+ while ( p_traf )
+ {
+ if ( p_traf->i_type != ATOM_traf )
+ {
+ p_traf = p_traf->p_next;
+ continue;
+ }
+ const MP4_Box_t *p_tfhd = MP4_BoxGet( p_traf, "tfhd" );
+ const MP4_Box_t *p_trun = MP4_BoxGet( p_traf, "trun" );
+ if ( !p_tfhd || !p_trun )
+ {
+ p_traf = p_traf->p_next;
+ continue;
+ }
+
+ uint32_t i_track_timescale = 0;
+ uint32_t i_track_defaultsamplesize = 0;
+ uint32_t i_track_defaultsampleduration = 0;
+ if ( p_sys->b_smooth )
+ {
+ /* stra sets identical timescales */
+ i_track_timescale = p_sys->i_timescale;
+ i_track_defaultsamplesize = 1;
+ i_track_defaultsampleduration = 1;
+ }
+ else
+ {
+ /* set trex for defaults */
+ MP4_Box_t *p_trex = MP4_GetTrexByTrackID( p_sys->moovfragment.p_moox, BOXDATA(p_tfhd)->i_track_ID );
+ if ( p_trex )
+ {
+ i_track_defaultsamplesize = BOXDATA(p_trex)->i_default_sample_size;
+ i_track_defaultsampleduration = BOXDATA(p_trex)->i_default_sample_duration;
+ }
+ MP4_Box_t *p_trak = MP4_GetTrakByTrackID( p_sys->moovfragment.p_moox, BOXDATA(p_tfhd)->i_track_ID );
+ if ( p_trak )
+ {
+ MP4_Box_t *p_mdhd = MP4_BoxGet( p_trak, "mdia/mdhd" );
+ if ( p_mdhd ) i_track_timescale = BOXDATA(p_mdhd)->i_timescale;
+ }
+ }
+
+ if ( !i_track_timescale )
+ {
+ p_traf = p_traf->p_next;
+ continue;
+ }
+
+ if ( BOXDATA(p_tfhd)->i_flags & MP4_TFHD_BASE_DATA_OFFSET )
+ {
+ i_traf_base_data_offset = BOXDATA(p_tfhd)->i_base_data_offset;
+ }
+ else if ( BOXDATA(p_tfhd)->i_flags & MP4_TFHD_DEFAULT_BASE_IS_MOOF )
+ {
+ i_traf_base_data_offset = p_new->p_moox->i_pos + 8;
+ }
+ else
+ {
+ if ( i_traf == 0 )
+ i_traf_base_data_offset = p_new->p_moox->i_pos /*+ 8*/;
+ else
+ i_traf_base_data_offset += i_traf_total_size;
+ }
+
+ i_traf_total_size = 0;
+
+ uint64_t i_trun_data_offset = i_traf_base_data_offset;
+ uint64_t i_traf_duration = 0;
+ uint32_t i_trun_size = 0;
+ while ( p_trun && p_tfhd )
+ {
+ if ( p_trun->i_type != ATOM_trun )
+ {
+ p_trun = p_trun->p_next;
+ continue;
+ }
+ const MP4_Box_data_trun_t *p_trundata = p_trun->data.p_trun;
+
+ /* Get data offset */
+ if ( p_trundata->i_flags & MP4_TRUN_DATA_OFFSET )
+ i_trun_data_offset += __MAX( p_trundata->i_data_offset, 0 );
+ else
+ i_trun_data_offset += i_trun_size;
+
+ i_trun_size = 0;
+
+ /* Sum total time */
+ if ( p_trundata->i_flags & MP4_TRUN_SAMPLE_DURATION )
+ {
+ for( uint32_t i=0; i< p_trundata->i_sample_count; i++ )
+ i_traf_duration += p_trundata->p_samples[i].i_duration;
+ }
+ else if ( BOXDATA(p_tfhd)->i_flags & MP4_TFHD_DFLT_SAMPLE_DURATION )
+ {
+ i_traf_duration += p_trundata->i_sample_count *
+ BOXDATA(p_tfhd)->i_default_sample_duration;
+ }
+ else
+ {
+ i_traf_duration += p_trundata->i_sample_count *
+ i_track_defaultsampleduration;
+ }
+
+ /* Get total traf size */
+ if ( p_trundata->i_flags & MP4_TRUN_SAMPLE_SIZE )
+ {
+ for( uint32_t i=0; i< p_trundata->i_sample_count; i++ )
+ i_trun_size += p_trundata->p_samples[i].i_size;
+ }
+ else if ( BOXDATA(p_tfhd)->i_flags & MP4_TFHD_DFLT_SAMPLE_SIZE )
+ {
+ i_trun_size += p_trundata->i_sample_count *
+ BOXDATA(p_tfhd)->i_default_sample_size;
+ }
+ else
+ {
+ i_trun_size += p_trundata->i_sample_count *
+ i_track_defaultsamplesize;
+ }
+
+ i_traf_total_size += i_trun_size;
+
+ if ( i_traf_min_offset )
+ i_traf_min_offset = __MIN( i_trun_data_offset, i_traf_min_offset );
+ else
+ i_traf_min_offset = i_trun_data_offset;
+
+ p_trun = p_trun->p_next;
+ }
+
+ i_trafs_total_size += i_traf_total_size;
+ p_new->i_duration = __MAX( p_new->i_duration, i_traf_duration * p_sys->i_timescale / i_track_timescale );
+
+ p_traf = p_traf->p_next;
+ i_traf++;
+ }
+
+ p_new->i_chunk_range_min_offset = i_traf_min_offset;
+ p_new->i_chunk_range_max_offset = i_traf_min_offset + i_trafs_total_size;
+
+ msg_Dbg( p_demux, "new fragment is %"PRId64" %"PRId64, p_new->i_chunk_range_min_offset, p_new->i_chunk_range_max_offset );
+
+ /* compute total duration with that new fragment if no overall provided */
+ MP4_Box_t *p_mehd = MP4_BoxGet( p_sys->moovfragment.p_moox, "mvex/mehd");
+ if ( !p_mehd )
+ {
+ p_sys->i_overall_duration = 0;
+ p_new = &p_sys->moovfragment;
+ while ( p_new )
+ {
+ p_sys->i_overall_duration += p_new->i_duration;
+ p_new = p_new->p_next;
+ }
+ }
+ else
+ p_sys->i_overall_duration = BOXDATA(p_mehd)->i_fragment_duration;
+
+ msg_Dbg( p_demux, "total fragments duration %"PRId64, CLOCK_FREQ * p_sys->i_overall_duration / p_sys->i_timescale);
+ return true;
+}
+
+static int ProbeFragments( demux_t *p_demux, bool b_force )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ uint64_t i_current_pos;
+
+ if ( MP4_stream_Tell( p_demux->s, &i_current_pos ) )
+ msg_Dbg( p_demux, "probing fragments from %"PRId64, i_current_pos );
+
+ assert( p_sys->p_root );
+
+ if ( p_sys->b_fastseekable || b_force )
+ {
+ MP4_ReadBoxContainerChildren( p_demux->s, p_sys->p_root, 0 ); /* Get the rest of the file */
+ p_sys->b_fragments_probed = true;
+ }
+ else
+ {
+ /* We stop at first moof, which validates our fragmentation condition
+ * and we'll find others while reading. */
+ MP4_ReadBoxContainerChildren( p_demux->s, p_sys->p_root, ATOM_moof );
+ }
+
+ MP4_Box_t *p_moov = MP4_BoxGet( p_sys->p_root, "/moov" );
+ if ( !p_moov )
+ {
+ /* moov/mvex before probing should be present anyway */
+ MP4_BoxDumpStructure( p_demux->s, p_sys->p_root );
+ return VLC_EGENERIC;
+ }
+ AddFragment( p_demux, p_moov );
+
+ MP4_Box_t *p_moof = MP4_BoxGet( p_sys->p_root, "moof" );
+ while ( p_moof )
+ {
+ if ( p_moof->i_type == ATOM_moof )
+ AddFragment( p_demux, p_moof );
+ p_moof = p_moof->p_next;
+ }
+
+ MP4_Box_t *p_mdat = MP4_BoxGet( p_sys->p_root, "mdat" );
+ if ( p_mdat )
+ {
+ stream_Seek( p_demux->s, p_mdat->i_pos );
+ msg_Dbg( p_demux, "rewinding to mdat %"PRId64, p_mdat->i_pos );
+ }
+
+ return VLC_SUCCESS;
+}
+
+/**
+ * DemuxFrg: read packet and send them to decoders
+ * \return 1 on success, 0 on error.
+ * TODO check for newly selected track
+ */
+int DemuxFrg( demux_t *p_demux )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ unsigned i_track;
+ unsigned i_track_selected;
+
+ /* check for newly selected/unselected track */
+ for( i_track = 0, i_track_selected = 0; i_track < p_sys->i_tracks; i_track++ )
+ {
+ mp4_track_t *tk = &p_sys->track[i_track];
+ bool b;
+
+ if( !tk->b_ok || tk->b_chapter )
+ continue;
+
+ es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
+ msg_Dbg( p_demux, "track %u %s!", tk->i_track_ID, b ? "enabled" : "disabled" );
+
+ if( tk->b_selected && !b )
+ {
+ MP4_TrackUnselect( p_demux, tk );
+ }
+ else if( !tk->b_selected && b)
+ {
+ MP4_frg_TrackSelect( p_demux, tk );
+ }
+
+ if( tk->b_selected )
+ i_track_selected++;
+ }
+
+ if( i_track_selected <= 0 )
+ {
+ p_sys->i_time += __MAX( p_sys->i_timescale / 10 , 1 );
+ if( p_sys->i_timescale > 0 )
+ {
+ int64_t i_length = CLOCK_FREQ *
+ (mtime_t)p_sys->moovfragment.i_duration /
+ (mtime_t)p_sys->i_timescale;
+ if( MP4_GetMoviePTS( p_sys ) >= i_length )
+ return 0;
+ return 1;
+ }
+
+ msg_Warn( p_demux, "no track selected, exiting..." );
+ return 0;
+ }
+
+ /* first wait for the good time to read a packet */
+ es_out_Control( p_demux->out, ES_OUT_SET_PCR, VLC_TS_0 + p_sys->i_pcr );
+
+ p_sys->i_pcr = MP4_GetMoviePTS( p_sys );
+
+ /* we will read 100ms for each stream so ...*/
+ p_sys->i_time += __MAX( p_sys->i_timescale / 10, 1 );
+
+ for( i_track = 0; i_track < p_sys->i_tracks; i_track++ )
+ {
+ mp4_track_t *tk = &p_sys->track[i_track];
+
+ if( !tk->b_ok || tk->b_chapter || !tk->b_selected )
+ {
+ msg_Warn( p_demux, "Skipping track id %u", tk->i_track_ID );
+ continue;
+ }
+
+ if( !tk->b_has_non_empty_cchunk )
+ {
+ if( MP4_frg_GetChunks( p_demux, tk->i_track_ID ) != VLC_SUCCESS )
+ {
+ msg_Info( p_demux, "MP4_frg_GetChunks returned error. End of stream?" );
+ return 0;
+ }
+ }
+
+ while( MP4_TrackGetDTS( p_demux, tk ) < MP4_GetMoviePTS( p_sys ) )
+ {
+ block_t *p_block;
+ int64_t i_delta;
+
+ mp4_chunk_t *ck = tk->cchunk;
+ if( ck->i_sample >= ck->i_sample_count )
+ {
+ msg_Err( p_demux, "sample %"PRIu32" of %"PRIu32"",
+ ck->i_sample, ck->i_sample_count );
+ return 0;
+ }
+
+ uint32_t sample_size = ck->p_sample_size[ck->i_sample];
+ p_block = block_Alloc( sample_size );
+ uint8_t *src = ck->p_sample_data[ck->i_sample];
+ memcpy( p_block->p_buffer, src, sample_size );
+
+ ck->i_sample++;
+ if( ck->i_sample == ck->i_sample_count )
+ tk->b_has_non_empty_cchunk = false;
+
+ /* dts */
+ p_block->i_dts = VLC_TS_0 + MP4_TrackGetDTS( p_demux, tk );
+ /* pts */
+ i_delta = MP4_TrackGetPTSDelta( p_demux, tk );
+ if( i_delta != -1 )
+ p_block->i_pts = p_block->i_dts + i_delta;
+ else if( tk->fmt.i_cat != VIDEO_ES )
+ p_block->i_pts = p_block->i_dts;
+ else
+ p_block->i_pts = VLC_TS_INVALID;
+
+ es_out_Send( p_demux->out, tk->p_es, p_block );
+
+ tk->i_sample++;
+
+ if( !tk->b_has_non_empty_cchunk )
+ break;
+ }
+ }
+ return 1;
+}
+
+#undef BOXDATA
projects / vlc / blobdiff