/*****************************************************************************
* mp4.c : MP4 file input module for vlc
*****************************************************************************
- * Copyright (C) 2001-2004 the VideoLAN team
- * $Id$
+ * 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_common.h>
#include <vlc_plugin.h>
-
#include <vlc_demux.h>
-#include <vlc_md5.h>
-#include <vlc_charset.h>
-#include <vlc_iso_lang.h>
-#include <vlc_meta.h>
+#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 "drms.h"
-
-#ifdef UNDER_CE
-#define uint64_t int64_t
-#endif
+#include "id3genres.h" /* for ATOM_gnre */
/*****************************************************************************
* Module descriptor
set_category( CAT_INPUT )
set_subcategory( SUBCAT_INPUT_DEMUX )
set_description( N_("MP4 stream demuxer") )
- set_capability( "demux", 242 )
+ set_shortname( N_("MP4") )
+ set_capability( "demux", 240 )
set_callbacks( Open, Close )
vlc_module_end ()
*****************************************************************************/
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 );
-/* Contain all information about a chunk */
-typedef struct
-{
- uint64_t i_offset; /* absolute position of this chunk in the file */
- uint32_t i_sample_description_index; /* index for SampleEntry to use */
- uint32_t i_sample_count; /* how many samples in this chunk */
- uint32_t i_sample_first; /* index of the first sample in this chunk */
-
- /* now provide way to calculate pts, dts, and offset without to
- much memory and with fast acces */
-
- /* with this we can calculate dts/pts without waste memory */
- uint64_t i_first_dts;
- uint32_t *p_sample_count_dts;
- uint32_t *p_sample_delta_dts; /* dts delta */
-
- uint32_t *p_sample_count_pts;
- int32_t *p_sample_offset_pts; /* pts-dts */
-
- /* TODO if needed add pts
- but quickly *add* support for edts and seeking */
-
-} mp4_chunk_t;
-
- /* Contain all needed information for read all track with vlc */
-typedef struct
-{
- unsigned int i_track_ID;/* this should be unique */
-
- int b_ok; /* The track is usable */
- int b_enable; /* is the trak enable by default */
- bool b_selected; /* is the trak being played */
- bool b_chapter; /* True when used for chapter only */
-
- bool b_mac_encoding;
-
- es_format_t fmt;
- es_out_id_t *p_es;
-
- /* display size only ! */
- int i_width;
- int i_height;
-
- /* more internal data */
- uint64_t i_timescale; /* time scale for this track only */
-
- /* elst */
- int i_elst; /* current elst */
- int64_t i_elst_time; /* current elst start time (in movie time scale)*/
- MP4_Box_t *p_elst; /* elst (could be NULL) */
-
- /* give the next sample to read, i_chunk is to find quickly where
- the sample is located */
- uint32_t i_sample; /* next sample to read */
- uint32_t i_chunk; /* chunk where next sample is stored */
- /* total count of chunk and sample */
- uint32_t i_chunk_count;
- uint32_t i_sample_count;
-
- mp4_chunk_t *chunk; /* always defined for each chunk */
-
- /* sample size, p_sample_size defined only if i_sample_size == 0
- else i_sample_size is size for all sample */
- uint32_t i_sample_size;
- uint32_t *p_sample_size; /* XXX perhaps add file offset if take
- too much time to do sumations each time*/
-
- MP4_Box_t *p_stbl; /* will contain all timing information */
- MP4_Box_t *p_stsd; /* will contain all data to initialize decoder */
- MP4_Box_t *p_sample;/* point on actual sdsd */
-
- bool b_drms;
- void *p_drms;
-
-} mp4_track_t;
-
-
struct demux_sys_t
{
MP4_Box_t *p_root; /* container for the whole file */
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 */
/* */
MP4_Box_t *p_tref_chap;
* 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 void MP4_UpdateSeekpoint( demux_t * );
static const char *MP4_ConvertMacCode( uint16_t );
-/* Return time in s of a track */
+/* 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;
else
{
i_dts += i_sample * chunk.p_sample_delta_dts[i_index];
- i_sample = 0;
break;
}
}
-#undef chunk
-
/* now handle elst */
if( p_track->p_elst )
{
return INT64_C(1000000) * 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;
static void LoadChapter( demux_t *p_demux );
+static int LoadInitFrag( demux_t *p_demux, const bool b_smooth )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+
+ if( 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 && p_stra->data.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 = p_stra->data.p_stra->i_timescale;
+ p_sys->i_duration = p_stra->data.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 || p_stra->data.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
*****************************************************************************/
bool b_enabled_es;
/* A little test to see if it could be a mp4 */
- if( stream_Peek( p_demux->s, &p_peek, 8 ) < 8 ) return VLC_EGENERIC;
+ if( stream_Peek( p_demux->s, &p_peek, 11 ) < 11 ) return VLC_EGENERIC;
switch( VLC_FOURCC( p_peek[4], p_peek[5], p_peek[6], p_peek[7] ) )
{
- case FOURCC_ftyp:
- case FOURCC_moov:
- case FOURCC_foov:
- case FOURCC_moof:
- case FOURCC_mdat:
- case FOURCC_udta:
- case FOURCC_free:
- case FOURCC_skip:
- case FOURCC_wide:
+ case ATOM_moov:
+ case ATOM_foov:
+ case ATOM_moof:
+ case ATOM_mdat:
+ case ATOM_udta:
+ case ATOM_free:
+ case ATOM_skip:
+ case ATOM_wide:
+ case ATOM_uuid:
case VLC_FOURCC( 'p', 'n', 'o', 't' ):
break;
+ case ATOM_ftyp:
+ /* We don't yet support f4v, but avformat does. */
+ if( p_peek[8] == 'f' && p_peek[9] == '4' && p_peek[10] == 'v' )
+ return VLC_EGENERIC;
+ break;
default:
return VLC_EGENERIC;
}
stream_Control( p_demux->s, STREAM_CAN_SEEK, &b_seekable );
if( !b_seekable )
{
- msg_Warn( p_demux, "MP4 plugin discarded (unseekable)" );
+ msg_Warn( p_demux, "MP4 plugin discarded (not seekable)" );
return VLC_EGENERIC;
}
p_demux->pf_control = Control;
/* create our structure that will contains all data */
- p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
- memset( p_sys, 0, sizeof( demux_sys_t ) );
+ p_demux->p_sys = p_sys = calloc( 1, sizeof( demux_sys_t ) );
+
+ /* Is it Smooth Streaming? */
+ bool b_smooth = false;
+ if( stream_Peek( p_demux->s, &p_peek, 24 ) < 24 ) return VLC_EGENERIC;
+ if( !CmpUUID( (UUID_t *)(p_peek + 8), &SmooBoxUUID ) )
+ {
+ b_smooth = true;
+ p_sys->b_fragmented = true;
+ }
+
+ if( LoadInitFrag( p_demux, b_smooth ) != VLC_SUCCESS )
+ goto error;
+
+ if( MP4_BoxCount( p_sys->p_root, "/moov/mvex" ) > 0 )
+ {
+ p_sys->b_fragmented = true;
+ }
+ if( p_sys->b_fragmented )
+ {
+ p_demux->pf_demux = DemuxFrg;
+ }
- /* Now load all boxes ( except raw data ) */
- if( ( p_sys->p_root = MP4_BoxGetRoot( p_demux->s ) ) == NULL )
+ stream_Control( p_demux->s, STREAM_CAN_FASTSEEK, &b_seekable );
+ if( b_smooth )
+ {
+ if( InitTracks( p_demux ) != VLC_SUCCESS )
+ goto error;
+ CreateTracksFromSmooBox( p_demux );
+ return VLC_SUCCESS;
+ }
+ else if( p_sys->b_fragmented && b_seekable )
+ {
+ /* We are not yet able to demux a fragmented MP4 file, using the 'mfra'
+ * box. So if STREAM_CAN_FASTSEEK is true, we're assuming we've got such
+ * a file, and we let avformat do the job. */
+ msg_Warn( p_demux, "MP4 plugin discarded "\
+ "(fast-seekable and fragmented, let avformat demux it)" );
+ stream_Seek( p_demux->s, 0 ); /* rewind, for other demux */
+ goto error;
+ }
+ else if( !p_sys->b_fragmented && !b_seekable )
{
- msg_Warn( p_demux, "MP4 plugin discarded (not a valid file)" );
+ msg_Warn( p_demux, "MP4 plugin discarded (not fast-seekable)" );
+ stream_Seek( p_demux->s, 0 ); /* rewind, for other demux */
goto error;
}
{
switch( p_ftyp->data.p_ftyp->i_major_brand )
{
- case( FOURCC_isom ):
+ case( ATOM_isom ):
msg_Dbg( p_demux,
"ISO Media file (isom) version %d.",
p_ftyp->data.p_ftyp->i_minor_version );
break;
+ case( ATOM_3gp4 ):
+ case( VLC_FOURCC( '3', 'g', 'p', '5' ) ):
+ case( VLC_FOURCC( '3', 'g', 'p', '6' ) ):
+ 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
+#else
+ p_ftyp->data.p_ftyp->i_major_brand >> 24
+#endif
+ );
+ break;
+ case( VLC_FOURCC( 'q', 't', ' ', ' ') ):
+ msg_Dbg( p_demux, "Apple QuickTime file" );
+ break;
+ case( VLC_FOURCC( 'i', 's', 'm', 'l') ):
+ msg_Dbg( p_demux, "PIFF (= isml = fMP4) file" );
+ break;
default:
msg_Dbg( p_demux,
"unrecognized major file specification (%4.4s).",
if( !p_foov )
{
- msg_Err( p_demux, "MP4 plugin discarded (no moov box)" );
+ 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 = FOURCC_moov;
+ p_foov->i_type = ATOM_moov;
}
if( ( p_rmra = MP4_BoxGet( p_sys->p_root, "/moov/rmra" ) ) )
msg_Dbg( p_demux, "detected playlist mov file (%d ref)", i_count );
- input_thread_t *p_input = vlc_object_find( p_demux, VLC_OBJECT_INPUT, FIND_PARENT );
+ input_thread_t *p_input = demux_GetParentInput( p_demux );
input_item_t *p_current = input_GetItem( p_input );
+ input_item_node_t *p_subitems = input_item_node_Create( p_current );
+
for( i = 0; i < i_count; i++ )
{
MP4_Box_t *p_rdrf = MP4_BoxGet( p_rmra, "rmda[%d]/rdrf", i );
else
{
char *psz_absolute;
- char *psz_path = strdup( p_demux->psz_path );
+ char *psz_path = strdup( p_demux->psz_location );
char *end = strrchr( psz_path, '/' );
if( end ) end[1] = '\0';
else *psz_path = '\0';
if( asprintf( &psz_absolute, "%s://%s%s",
p_demux->psz_access, psz_path, psz_ref ) < 0 )
+ {
+ free( psz_ref );
+ free( psz_path );
+ vlc_object_release( p_input) ;
return VLC_ENOMEM;
+ }
free( psz_ref );
psz_ref = psz_absolute;
free( psz_path );
}
msg_Dbg( p_demux, "adding ref = `%s'", psz_ref );
- input_item_t *p_input = input_item_NewExt( p_demux, psz_ref
- , NULL, 0, NULL, -1 );
- input_item_CopyOptions( p_current, p_input );
- input_item_AddSubItem( p_current, p_input );
- vlc_gc_decref( p_input );
+ input_item_t *p_item = input_item_New( psz_ref, NULL );
+ input_item_CopyOptions( p_current, p_item );
+ input_item_node_AppendItem( p_subitems, p_item );
+ vlc_gc_decref( p_item );
}
else
{
}
free( psz_ref );
}
+ input_item_node_PostAndDelete( p_subitems );
vlc_object_release( p_input );
}
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;
- memset( p_sys->track, 0, p_sys->i_tracks * sizeof( mp4_track_t ) );
/* Search the first chap reference (like quicktime) and
* check that at least 1 stream is enabled */
p_sys->p_tref_chap = p_chap;
}
- /* now process each track and extract all usefull information */
+ /* now process each track and extract all useful information */
for( i = 0; i < p_sys->i_tracks; i++ )
{
p_trak = MP4_BoxGet( p_sys->p_root, "/moov/trak[%d]", i );
MP4_UpdateSeekpoint( p_demux );
/* first wait for the good time to read a packet */
- es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pcr + 1 );
+ 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 );
break;
}
- if( tk->b_drms && tk->p_drms )
- {
- drms_decrypt( tk->p_drms, (uint32_t*)p_block->p_buffer,
- p_block->i_buffer );
- }
else if( tk->fmt.i_cat == SPU_ES )
{
- if( tk->fmt.i_codec == VLC_FOURCC( 's', 'u', 'b', 't' ) &&
+ if( tk->fmt.i_codec == VLC_CODEC_SUBT &&
p_block->i_buffer >= 2 )
{
- uint16_t i_size = GetWBE( p_block->p_buffer );
+ size_t i_size = GetWBE( p_block->p_buffer );
if( i_size + 2 <= p_block->i_buffer )
{
}
}
/* dts */
- p_block->i_dts = MP4_TrackGetDTS( p_demux, tk ) + 1;
+ p_block->i_dts = VLC_TS_0 + MP4_TrackGetDTS( p_demux, tk );
/* pts */
- i_delta = MP4_TrackGetPTSDelta( tk );
+ 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 = 0;
+ p_block->i_pts = VLC_TS_INVALID;
- if( !tk->b_drms || ( tk->b_drms && tk->p_drms ) )
- es_out_Send( p_demux->out, tk->p_es, p_block );
+ es_out_Send( p_demux->out, tk->p_es, p_block );
}
/* Next sample */
}
}
/*****************************************************************************
- * Seek: Got to i_date
+ * Seek: Go to i_date
******************************************************************************/
static int Seek( demux_t *p_demux, mtime_t i_date )
{
demux_sys_t *p_sys = p_demux->p_sys;
unsigned int i_track;
- /* First update update global time */
+ /* First update global time */
p_sys->i_time = i_date * p_sys->i_timescale / 1000000;
p_sys->i_pcr = i_date;
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->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_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 /
return VLC_SUCCESS;
case DEMUX_GET_FPS:
- msg_Warn( p_demux, "DEMUX_GET_FPS unimplemented !!" );
- return VLC_EGENERIC;
+ pf = (double*)va_arg( args, double* );
+ *pf = p_sys->f_fps;
+ return VLC_SUCCESS;
case DEMUX_GET_META:
{
/* XXX Becarefull p_udta can have box that are not 0xa9xx */
switch( p_0xa9xxx->i_type )
{
- case FOURCC_0xa9nam: /* Full name */
+ case ATOM_0xa9nam: /* Full name */
SET( vlc_meta_SetTitle );
break;
- case FOURCC_0xa9aut:
+ case ATOM_0xa9aut:
SET( vlc_meta_SetArtist );
break;
- case FOURCC_0xa9ART:
+ case ATOM_0xa9ART:
SET( vlc_meta_SetArtist );
break;
- case FOURCC_0xa9cpy:
+ case ATOM_0xa9cpy:
SET( vlc_meta_SetCopyright );
break;
- case FOURCC_0xa9day: /* Creation Date */
+ case ATOM_0xa9day: /* Creation Date */
SET( vlc_meta_SetDate );
break;
- case FOURCC_0xa9des: /* Description */
+ case ATOM_0xa9des: /* Description */
SET( vlc_meta_SetDescription );
break;
- case FOURCC_0xa9gen: /* Genre */
+ case ATOM_0xa9gen: /* Genre */
SET( vlc_meta_SetGenre );
break;
- case FOURCC_0xa9alb: /* Album */
- SET( vlc_meta_SetAlbum );
+ case ATOM_gnre:
+ if( p_0xa9xxx->data.p_gnre->i_genre <= NUM_GENRES )
+ vlc_meta_SetGenre( p_meta, ppsz_genres[p_0xa9xxx->data.p_gnre->i_genre - 1] );
break;
- case FOURCC_0xa9trk: /* Track */
- SET( vlc_meta_SetTracknum );
+ case ATOM_0xa9alb: /* Album */
+ SET( vlc_meta_SetAlbum );
break;
- case FOURCC_0xa9cmt: /* Commment */
+ case ATOM_0xa9trk: /* Track */
+ SET( vlc_meta_SetTrackNum );
+ break;
+ case ATOM_trkn:
+ {
+ char psz_trck[11];
+ 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 );
+ break;
+ }
+ case ATOM_0xa9cmt: /* Commment */
SET( vlc_meta_SetDescription );
break;
- case FOURCC_0xa9url: /* URL */
+ case ATOM_0xa9url: /* URL */
SET( vlc_meta_SetURL );
break;
- case FOURCC_0xa9enc: /* Encoded By */
+ case ATOM_0xa9too: /* Encoder Tool */
+ case ATOM_0xa9enc: /* Encoded By */
SET( vlc_meta_SetEncodedBy );
break;
-
- case FOURCC_0xa9swr:
- case FOURCC_0xa9inf: /* Information */
- case FOURCC_0xa9dir: /* Director */
- case FOURCC_0xa9dis: /* Disclaimer */
- case FOURCC_0xa9req: /* Requirements */
- case FOURCC_0xa9fmt: /* Original Format */
- case FOURCC_0xa9dsa: /* Display Source As */
- case FOURCC_0xa9hst: /* Host Computer */
- case FOURCC_0xa9prd: /* Producer */
- case FOURCC_0xa9prf: /* Performers */
- case FOURCC_0xa9ope: /* Original Performer */
- case FOURCC_0xa9src: /* Providers Source Content */
- case FOURCC_0xa9wrt: /* Writer */
- case FOURCC_0xa9com: /* Composer */
- case FOURCC_WLOC: /* Window Location */
- /* TODO one day, but they aren't really meaningfull */
+
+ case ATOM_0xa9pub:
+ SET( vlc_meta_SetPublisher );
break;
-#undef SET
default:
break;
}
+#undef SET
+ static const struct { uint32_t xa9_type; char metadata[25]; } xa9typetoextrameta[] =
+ {
+ { ATOM_0xa9wrt, N_("Writer") },
+ { 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") },
+ { ATOM_0xa9dsa, N_("Display Source As") },
+ { ATOM_0xa9hst, N_("Host Computer") },
+ { ATOM_0xa9prf, N_("Performers") },
+ { ATOM_0xa9ope, N_("Original Performer") },
+ { ATOM_0xa9src, N_("Providers Source Content") },
+ { ATOM_0xa9wrn, N_("Warning") },
+ { ATOM_0xa9swr, N_("Software") },
+ { ATOM_0xa9lyr, N_("Lyrics") },
+ { ATOM_0xa9mak, N_("Record Company") },
+ { ATOM_0xa9mod, N_("Model") },
+ { ATOM_0xa9PRD, N_("Product") },
+ { ATOM_0xa9grp, N_("Grouping") },
+ { ATOM_0xa9gen, N_("Genre") },
+ { ATOM_0xa9st3, N_("Sub-Title") },
+ { ATOM_0xa9arg, N_("Arranger") },
+ { ATOM_0xa9ard, N_("Art Director") },
+ { ATOM_0xa9cak, N_("Copyright Acknowledgement") },
+ { ATOM_0xa9con, N_("Conductor") },
+ { ATOM_0xa9des, N_("Song Description") },
+ { ATOM_0xa9lnt, N_("Liner Notes") },
+ { ATOM_0xa9phg, N_("Phonogram Rights") },
+ { ATOM_0xa9pub, N_("Publisher") },
+ { ATOM_0xa9sne, N_("Sound Engineer") },
+ { ATOM_0xa9sol, N_("Soloist") },
+ { ATOM_0xa9thx, N_("Thanks") },
+ { ATOM_0xa9xpd, N_("Executive Producer") },
+ { 0, "" },
+ };
+ for( unsigned i = 0; xa9typetoextrameta[i].xa9_type; i++ )
+ {
+ 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 : "" );
+ if( psz_utf )
+ {
+ EnsureUTF8( psz_utf );
+ vlc_meta_AddExtra( p_meta, _(xa9typetoextrameta[i].metadata), psz_utf );
+ free( psz_utf );
+ }
+ break;
+ }
+ }
}
return VLC_SUCCESS;
}
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;
default:
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 int64_t i_pts_delta = MP4_TrackGetPTSDelta( p_demux, tk );
const unsigned int i_size = MP4_TrackSampleSize( tk );
if( i_size > 0 && !stream_Seek( p_demux->s, MP4_TrackGetPos( tk ) ) )
{
mp4_track_t *tk = &p_sys->track[j];
if( tk->b_ok && tk->i_track_ID == p_chap->i_track_ID[i] &&
- tk->fmt.i_cat == SPU_ES && tk->fmt.i_codec == VLC_FOURCC( 's', 'u', 'b', 't' ) )
+ tk->fmt.i_cat == SPU_ES && tk->fmt.i_codec == VLC_CODEC_SUBT )
break;
}
if( j < p_sys->i_tracks )
}
}
}
+
+ /* 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;
+ }
}
/* now create basic chunk data, the rest will be filled by MP4_CreateSamplesIndex */
static int TrackCreateChunksIndex( demux_t *p_demux,
mp4_track_t *p_demux_track )
{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ if( p_sys->b_fragmented )
+ return VLC_SUCCESS;
+
MP4_Box_t *p_co64; /* give offset for each chunk, same for stco and co64 */
MP4_Box_t *p_stsc;
static int TrackCreateSamplesIndex( demux_t *p_demux,
mp4_track_t *p_demux_track )
{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ if( p_sys->b_fragmented )
+ return VLC_SUCCESS;
+
MP4_Box_t *p_box;
MP4_Box_data_stsz_t *stsz;
MP4_Box_data_stts_t *stts;
int64_t i_index;
int64_t i_index_sample_used;
- int64_t i_last_dts;
+ int64_t i_next_dts;
/* Find stsz
* Gives the sample size for each samples. There is also a stz2 table
* for fast research (problem with raw stream where a sample is sometime
* just channels*bits_per_sample/8 */
- i_last_dts = 0;
+ 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++ )
{
mp4_chunk_t *ck = &p_demux_track->chunk[i_chunk];
int64_t i_entry, i_sample_count, i;
- /* save last dts */
- ck->i_first_dts = i_last_dts;
+ /* save first dts */
+ ck->i_first_dts = i_next_dts;
+ ck->i_last_dts = i_next_dts;
/* count how many entries are needed for this chunk
* for p_sample_delta_dts and p_sample_count_dts */
i_index_sample_used += i_used;
i_sample_count -= i_used;
+ i_next_dts += i_used * stts->i_sample_delta[i_index];
ck->p_sample_count_dts[i] = i_used;
ck->p_sample_delta_dts[i] = stts->i_sample_delta[i_index];
-
- i_last_dts += i_used * ck->p_sample_delta_dts[i];
+ if( i_used > 0 )
+ ck->i_last_dts = i_next_dts - ck->p_sample_delta_dts[i];
if( i_index_sample_used >= stts->i_sample_count[i_index] )
{
msg_Dbg( p_demux, "track[Id 0x%x] read %d samples length:%"PRId64"s",
p_demux_track->i_track_ID, p_demux_track->i_sample_count,
- i_last_dts / p_demux_track->i_timescale );
+ 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,
+ const mp4_track_t *p_track,
+ unsigned i_sd_index,
+ unsigned i_chunk )
+{
+ *pi_num = 0;
+ *pi_den = 0;
+
+ if( p_track->i_chunk_count <= 0 )
+ return;
+
+ /* */
+ const mp4_chunk_t *p_chunk = &p_track->chunk[i_chunk];
+ while( p_chunk > &p_track->chunk[0] &&
+ p_chunk[-1].i_sample_description_index == i_sd_index )
+ {
+ p_chunk--;
+ }
+
+ uint64_t i_sample = 0;
+ uint64_t i_first_dts = p_chunk->i_first_dts;
+ uint64_t i_last_dts;
+ do
+ {
+ i_sample += p_chunk->i_sample_count;
+ i_last_dts = p_chunk->i_last_dts;
+ p_chunk++;
+ }
+ while( p_chunk < &p_track->chunk[p_track->i_chunk_count] &&
+ p_chunk->i_sample_description_index == i_sd_index );
+
+ 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);
+}
+
/*
* TrackCreateES:
* Create ES and PES to init decoder if needed, for a track starting at i_chunk
static int TrackCreateES( demux_t *p_demux, mp4_track_t *p_track,
unsigned int i_chunk, es_out_id_t **pp_es )
{
+ 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_box;
+ MP4_Box_t *p_frma;
+ MP4_Box_t *p_enda;
+ MP4_Box_t *p_pasp;
if( pp_es )
*pp_es = NULL;
- if( !p_track->chunk[i_chunk].i_sample_description_index )
+ if( !i_sample_description_index )
{
msg_Warn( p_demux, "invalid SampleEntry index (track[Id 0x%x])",
p_track->i_track_ID );
}
p_sample = MP4_BoxGet( p_track->p_stsd, "[%d]",
- p_track->chunk[i_chunk].i_sample_description_index - 1 );
+ i_sample_description_index - 1 );
if( !p_sample ||
( !p_sample->data.p_data && p_track->fmt.i_cat != SPU_ES ) )
p_track->p_sample = p_sample;
- if( p_track->fmt.i_cat == AUDIO_ES && ( p_track->i_sample_size == 1 || p_track->i_sample_size == 2 ) )
+ if( ( p_frma = MP4_BoxGet( p_track->p_sample, "sinf/frma" ) ) )
{
- MP4_Box_data_sample_soun_t *p_soun;
+ msg_Warn( p_demux, "Original Format Box: %4.4s", (char *)&p_frma->data.p_frma->i_type );
- p_soun = p_sample->data.p_sample_soun;
+ p_sample->i_type = p_frma->data.p_frma->i_type;
+ }
- if( p_soun->i_qt_version == 0 )
- {
- switch( p_sample->i_type )
- {
- case VLC_FOURCC( 'i', 'm', 'a', '4' ):
- 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' ):
- 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' ):
- 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_FOURCC( 'u', 'l', 'a', 'w' ):
- p_soun->i_samplesize = 8;
- break;
- case VLC_FOURCC( 'N', 'O', 'N', 'E' ):
- case VLC_FOURCC( 'r', 'a', 'w', ' ' ):
- case VLC_FOURCC( 't', 'w', 'o', 's' ):
- case VLC_FOURCC( 's', 'o', 'w', 't' ):
- /* What would be the fun if you could trust the .mov */
- p_track->i_sample_size = ((p_soun->i_samplesize+7)/8) * p_soun->i_channelcount;
- break;
- default:
- break;
- }
+ p_enda = MP4_BoxGet( p_sample, "wave/enda" );
+ if( !p_enda )
+ p_enda = MP4_BoxGet( p_sample, "enda" );
- }
- else if( p_soun->i_qt_version == 1 && p_soun->i_sample_per_packet <= 0 )
- {
- p_soun->i_qt_version = 0;
- }
- }
+ p_pasp = MP4_BoxGet( p_sample, "pasp" );
- /* It's a little ugly but .. there are special cases */
- switch( p_sample->i_type )
+ /* */
+ switch( p_track->fmt.i_cat )
{
- case( VLC_FOURCC( '.', 'm', 'p', '3' ) ):
- case( VLC_FOURCC( 'm', 's', 0x00, 0x55 ) ):
+ case VIDEO_ES:
+ p_track->fmt.video.i_width = p_sample->data.p_sample_vide->i_width;
+ p_track->fmt.video.i_height = p_sample->data.p_sample_vide->i_height;
+ p_track->fmt.video.i_bits_per_pixel =
+ p_sample->data.p_sample_vide->i_depth;
+
+ /* fall on display size */
+ if( p_track->fmt.video.i_width <= 0 )
+ p_track->fmt.video.i_width = p_track->i_width;
+ if( p_track->fmt.video.i_height <= 0 )
+ p_track->fmt.video.i_height = p_track->i_height;
+
+ /* Find out apect ratio from display size */
+ if( p_track->i_width > 0 && p_track->i_height > 0 &&
+ /* Work-around buggy muxed files */
+ p_sample->data.p_sample_vide->i_width != p_track->i_width )
{
- MP4_Box_data_sample_soun_t *p_soun = p_sample->data.p_sample_soun;
- p_track->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
- if( p_track->i_sample_size > 1 )
- p_soun->i_qt_version = 0;
- break;
+ p_track->fmt.video.i_sar_num = p_track->i_width * p_track->fmt.video.i_height;
+ p_track->fmt.video.i_sar_den = p_track->i_height * p_track->fmt.video.i_width;
}
-
- case( VLC_FOURCC( 'r', 'a', 'w', ' ' ) ):
- case( VLC_FOURCC( 'N', 'O', 'N', 'E' ) ):
+ if( p_pasp && p_pasp->data.p_pasp->i_horizontal_spacing > 0 &&
+ p_pasp->data.p_pasp->i_vertical_spacing > 0 )
{
- MP4_Box_data_sample_soun_t *p_soun = p_sample->data.p_sample_soun;
+ p_track->fmt.video.i_sar_num = p_pasp->data.p_pasp->i_horizontal_spacing;
+ p_track->fmt.video.i_sar_den = p_pasp->data.p_pasp->i_vertical_spacing;
+ }
- if(p_soun && (p_soun->i_samplesize+7)/8 == 1 )
- p_track->fmt.i_codec = VLC_FOURCC( 'u', '8', ' ', ' ' );
- else
- p_track->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
+ /* Support for cropping (eg. in H263 files) */
+ p_track->fmt.video.i_visible_width = p_track->fmt.video.i_width;
+ p_track->fmt.video.i_visible_height = p_track->fmt.video.i_height;
- /* Buggy files workaround */
- if( p_sample->data.p_sample_soun && (p_track->i_timescale !=
- p_sample->data.p_sample_soun->i_sampleratehi) )
- {
- MP4_Box_data_sample_soun_t *p_soun =
- p_sample->data.p_sample_soun;
+ /* Frame rate */
+ TrackGetESSampleRate( &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;
+
+ /* Rotation */
+ switch( (int)p_track->f_rotation ) {
+ case 90:
+ p_track->fmt.video.orientation = ORIENT_ROTATED_90;
+ break;
+ case 180:
+ p_track->fmt.video.orientation = ORIENT_ROTATED_180;
+ break;
+ case 270:
+ p_track->fmt.video.orientation = ORIENT_ROTATED_270;
+ break;
+ }
- msg_Warn( p_demux, "i_timescale (%"PRIu64") != i_sampleratehi "
- "(%u), making both equal (report any problem).",
- p_track->i_timescale, p_soun->i_sampleratehi );
+ break;
- if( p_soun->i_sampleratehi )
- p_track->i_timescale = p_soun->i_sampleratehi;
- else
+ case AUDIO_ES:
+ p_track->fmt.audio.i_channels =
+ p_sample->data.p_sample_soun->i_channelcount;
+ p_track->fmt.audio.i_rate =
+ p_sample->data.p_sample_soun->i_sampleratehi;
+ p_track->fmt.i_bitrate = p_sample->data.p_sample_soun->i_channelcount *
+ p_sample->data.p_sample_soun->i_sampleratehi *
+ p_sample->data.p_sample_soun->i_samplesize;
+ p_track->fmt.audio.i_bitspersample =
+ p_sample->data.p_sample_soun->i_samplesize;
+
+ if( ( p_track->i_sample_size == 1 || p_track->i_sample_size == 2 ) )
+ {
+ MP4_Box_data_sample_soun_t *p_soun;
+ p_soun = p_sample->data.p_sample_soun;
+
+ if( p_soun->i_qt_version == 0 )
+ {
+ switch( p_sample->i_type )
+ {
+ case VLC_FOURCC( 'i', 'm', 'a', '4' ):
+ 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' ):
+ 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' ):
+ 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_FOURCC( 'u', 'l', 'a', 'w' ):
+ p_soun->i_samplesize = 8;
+ p_track->i_sample_size = p_soun->i_channelcount;
+ break;
+ case VLC_FOURCC( 'N', 'O', 'N', 'E' ):
+ case VLC_FOURCC( 'r', 'a', 'w', ' ' ):
+ case VLC_FOURCC( 't', 'w', 'o', 's' ):
+ case VLC_FOURCC( 's', 'o', 'w', 't' ):
+ /* What would be the fun if you could trust the .mov */
+ p_track->i_sample_size = ((p_soun->i_samplesize+7)/8) * p_soun->i_channelcount;
+ break;
+ default:
+ break;
+ }
+
+ }
+ else if( p_soun->i_qt_version == 1 && p_soun->i_sample_per_packet <= 0 )
+ {
+ p_soun->i_qt_version = 0;
+ }
+ }
+ else if( p_sample->data.p_sample_soun->i_qt_version == 1 )
+ {
+ MP4_Box_data_sample_soun_t *p_soun = p_sample->data.p_sample_soun;
+
+ switch( p_sample->i_type )
+ {
+ case( VLC_FOURCC( '.', 'm', 'p', '3' ) ):
+ case( VLC_FOURCC( 'm', 's', 0x00, 0x55 ) ):
+ {
+ if( p_track->i_sample_size > 1 )
+ p_soun->i_qt_version = 0;
+ break;
+ }
+ case( VLC_FOURCC( 'a', 'c', '-', '3' ) ):
+ case( VLC_FOURCC( 'e', 'c', '-', '3' ) ):
+ case( VLC_FOURCC( 'm', 's', 0x20, 0x00 ) ):
+ p_soun->i_qt_version = 0;
+ break;
+ default:
+ break;
+ }
+ }
+
+ if( p_track->i_sample_size != 0 &&
+ p_sample->data.p_sample_soun->i_qt_version == 1 &&
+ p_sample->data.p_sample_soun->i_sample_per_packet <= 0 )
+ {
+ msg_Err( p_demux, "Invalid sample per packet value for qt_version 1. Broken muxer!" );
+ p_sample->data.p_sample_soun->i_qt_version = 0;
+ }
+ break;
+
+ default:
+ break;
+ }
+
+
+ /* It's a little ugly but .. there are special cases */
+ switch( p_sample->i_type )
+ {
+ case( VLC_FOURCC( '.', 'm', 'p', '3' ) ):
+ case( VLC_FOURCC( 'm', 's', 0x00, 0x55 ) ):
+ {
+ p_track->fmt.i_codec = VLC_CODEC_MPGA;
+ break;
+ }
+ case( VLC_FOURCC( 'a', 'c', '-', '3' ) ):
+ {
+ MP4_Box_t *p_dac3_box = MP4_BoxGet( p_sample, "dac3", 0 );
+
+ p_track->fmt.i_codec = VLC_CODEC_A52;
+ if( p_dac3_box )
+ {
+ static const int pi_bitrate[] = {
+ 32, 40, 48, 56,
+ 64, 80, 96, 112,
+ 128, 160, 192, 224,
+ 256, 320, 384, 448,
+ 512, 576, 640,
+ };
+ MP4_Box_data_dac3_t *p_dac3 = p_dac3_box->data.p_dac3;
+ p_track->fmt.audio.i_channels = 0;
+ p_track->fmt.i_bitrate = 0;
+ if( p_dac3->i_bitrate_code < sizeof(pi_bitrate)/sizeof(*pi_bitrate) )
+ p_track->fmt.i_bitrate = pi_bitrate[p_dac3->i_bitrate_code] * 1000;
+ p_track->fmt.audio.i_bitspersample = 0;
+ }
+ break;
+ }
+ case( VLC_FOURCC( 'e', 'c', '-', '3' ) ):
+ {
+ p_track->fmt.i_codec = VLC_CODEC_EAC3;
+ break;
+ }
+
+ case( VLC_FOURCC( 'r', 'a', 'w', ' ' ) ):
+ case( VLC_FOURCC( 'N', 'O', 'N', 'E' ) ):
+ {
+ 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', ' ', ' ' );
+ else
+ p_track->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
+
+ /* Buggy files workaround */
+ if( p_sample->data.p_sample_soun && (p_track->i_timescale !=
+ p_sample->data.p_sample_soun->i_sampleratehi) )
+ {
+ MP4_Box_data_sample_soun_t *p_soun =
+ p_sample->data.p_sample_soun;
+
+ msg_Warn( p_demux, "i_timescale (%"PRIu64") != i_sampleratehi "
+ "(%u), making both equal (report any problem).",
+ p_track->i_timescale, 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;
}
break;
}
case( VLC_FOURCC( 's', '2', '6', '3' ) ):
- p_track->fmt.i_codec = VLC_FOURCC( 'h', '2', '6', '3' );
+ p_track->fmt.i_codec = VLC_CODEC_H263;
break;
case( VLC_FOURCC( 't', 'e', 'x', 't' ) ):
case( VLC_FOURCC( 't', 'x', '3', 'g' ) ):
- p_track->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
+ p_track->fmt.i_codec = VLC_CODEC_SUBT;
/* FIXME: Not true, could be UTF-16 with a Byte Order Mark (0xfeff) */
/* FIXME UTF-8 doesn't work here ? */
if( p_track->b_mac_encoding )
break;
case VLC_FOURCC('y','v','1','2'):
- p_track->fmt.i_codec = VLC_FOURCC('Y','V','1','2');
+ p_track->fmt.i_codec = VLC_CODEC_YV12;
break;
case VLC_FOURCC('y','u','v','2'):
p_track->fmt.i_codec = VLC_FOURCC('Y','U','Y','2');
break;
case VLC_FOURCC('i','n','2','4'):
- /* in in24/in32 there's enda-atom to tell it's little-endian (if present) */
- if( ( MP4_BoxGet( p_sample, "wave/enda" ) ) ||
- ( MP4_BoxGet( p_sample, "enda" ) ) )
+ p_track->fmt.i_codec = p_enda && p_enda->data.p_enda->i_little_endian == 1 ?
+ VLC_FOURCC('4','2','n','i') : VLC_FOURCC('i','n','2','4');
+ break;
+ case VLC_FOURCC('f','l','3','2'):
+ p_track->fmt.i_codec = p_enda && p_enda->data.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 ?
+ VLC_CODEC_F64L : VLC_CODEC_F64B;
+ break;
+ case VLC_FOURCC( 'l', 'p', 'c', 'm' ):
+ {
+ MP4_Box_data_sample_soun_t *p_soun = p_sample->data.p_sample_soun;
+ if( p_soun->i_qt_version == 2 &&
+ p_soun->i_qt_description > 20 + 28 )
{
- p_track->fmt.i_codec = VLC_FOURCC('4','2','n','i');
- } else {
- p_track->fmt.i_codec = p_sample->i_type;
+ /* Flags:
+ * 0x01: IsFloat
+ * 0x02: IsBigEndian
+ * 0x04: IsSigned
+ */
+ static const struct {
+ unsigned i_flags;
+ unsigned i_mask;
+ unsigned i_bits;
+ vlc_fourcc_t i_codec;
+ } p_formats[] = {
+ { 0x01, 0x03, 32, VLC_CODEC_F32L },
+ { 0x01, 0x03, 64, VLC_CODEC_F64L },
+ { 0x01|0x02, 0x03, 32, VLC_CODEC_F32B },
+ { 0x01|0x02, 0x03, 64, VLC_CODEC_F64B },
+
+ { 0x00, 0x05, 8, VLC_CODEC_U8 },
+ { 0x00| 0x04, 0x05, 8, VLC_CODEC_S8 },
+
+ { 0x00, 0x07, 16, VLC_CODEC_U16L },
+ { 0x00|0x02, 0x07, 16, VLC_CODEC_U16B },
+ { 0x00 |0x04, 0x07, 16, VLC_CODEC_S16L },
+ { 0x00|0x02|0x04, 0x07, 16, VLC_CODEC_S16B },
+
+ { 0x00, 0x07, 24, VLC_CODEC_U24L },
+ { 0x00|0x02, 0x07, 24, VLC_CODEC_U24B },
+ { 0x00 |0x04, 0x07, 24, VLC_CODEC_S24L },
+ { 0x00|0x02|0x04, 0x07, 24, VLC_CODEC_S24B },
+
+ { 0x00, 0x07, 32, VLC_CODEC_U32L },
+ { 0x00|0x02, 0x07, 32, VLC_CODEC_U32B },
+ { 0x00 |0x04, 0x07, 32, VLC_CODEC_S32L },
+ { 0x00|0x02|0x04, 0x07, 32, VLC_CODEC_S32B },
+
+ {0, 0, 0, 0}
+ };
+ uint32_t i_bits = GetDWBE(&p_soun->p_qt_description[20 + 20]);
+ uint32_t i_flags = GetDWBE(&p_soun->p_qt_description[20 + 24]);
+
+ for( int i = 0; p_formats[i].i_codec; i++ )
+ {
+ if( p_formats[i].i_bits == i_bits &&
+ (i_flags & p_formats[i].i_mask) == p_formats[i].i_flags )
+ {
+ p_track->fmt.i_codec = p_formats[i].i_codec;
+ p_track->fmt.audio.i_bitspersample = i_bits;
+ p_track->fmt.audio.i_blockalign = p_soun->i_channelcount * i_bits / 8;
+ p_track->i_sample_size = p_track->fmt.audio.i_blockalign;
+
+ p_soun->i_qt_version = 0;
+ break;
+ }
+ }
}
break;
-
+ }
default:
p_track->fmt.i_codec = p_sample->i_type;
break;
switch( p_decconfig->i_objectTypeIndication )
{
case( 0x20 ): /* MPEG4 VIDEO */
- p_track->fmt.i_codec = VLC_FOURCC( 'm','p','4','v' );
+ p_track->fmt.i_codec = VLC_CODEC_MP4V;
+ break;
+ case( 0x21 ): /* H.264 */
+ p_track->fmt.i_codec = VLC_CODEC_H264;
break;
case( 0x40):
- p_track->fmt.i_codec = VLC_FOURCC( 'm','p','4','a' );
+ p_track->fmt.i_codec = VLC_CODEC_MP4A;
+ if( p_decconfig->i_decoder_specific_info_len >= 2 &&
+ p_decconfig->p_decoder_specific_info[0] == 0xF8 &&
+ (p_decconfig->p_decoder_specific_info[1]&0xE0) == 0x80 )
+ {
+ p_track->fmt.i_codec = VLC_CODEC_ALS;
+ }
break;
case( 0x60):
case( 0x61):
case( 0x63):
case( 0x64):
case( 0x65): /* MPEG2 video */
- p_track->fmt.i_codec = VLC_FOURCC( 'm','p','g','v' );
+ p_track->fmt.i_codec = VLC_CODEC_MPGV;
break;
/* Theses are MPEG2-AAC */
case( 0x66): /* main profile */
case( 0x67): /* Low complexity profile */
case( 0x68): /* Scaleable Sampling rate profile */
- p_track->fmt.i_codec = VLC_FOURCC( 'm','p','4','a' );
+ p_track->fmt.i_codec = VLC_CODEC_MP4A;
break;
- /* true MPEG 2 audio */
+ /* True MPEG 2 audio */
case( 0x69):
- p_track->fmt.i_codec = VLC_FOURCC( 'm','p','g','a' );
+ p_track->fmt.i_codec = VLC_CODEC_MPGA;
break;
case( 0x6a): /* MPEG1 video */
p_track->fmt.i_codec = VLC_FOURCC( 'm','p','g','v' );
break;
case( 0x6b): /* MPEG1 audio */
- p_track->fmt.i_codec = VLC_FOURCC( 'm','p','g','a' );
+ p_track->fmt.i_codec = VLC_CODEC_MPGA;
break;
case( 0x6c ): /* jpeg */
p_track->fmt.i_codec = VLC_FOURCC( 'j','p','e','g' );
case( 0x6d ): /* png */
p_track->fmt.i_codec = VLC_FOURCC( 'p','n','g',' ' );
break;
- case( 0x6e ): /* jpeg200 */
+ case( 0x6e ): /* jpeg2000 */
p_track->fmt.i_codec = VLC_FOURCC( 'M','J','2','C' );
break;
case( 0xa3 ): /* vc1 */
- p_track->fmt.i_codec = VLC_FOURCC( 'W','V','C','1' );
+ p_track->fmt.i_codec = VLC_CODEC_VC1;
+ break;
+ case( 0xa4 ):
+ p_track->fmt.i_codec = VLC_CODEC_DIRAC;
+ break;
+ case( 0xa5 ):
+ p_track->fmt.i_codec = VLC_CODEC_A52;
+ break;
+ case( 0xa6 ):
+ p_track->fmt.i_codec = VLC_CODEC_EAC3;
+ break;
+ case( 0xa9 ): /* dts */
+ case( 0xaa ): /* DTS-HD HRA */
+ case( 0xab ): /* DTS-HD Master Audio */
+ p_track->fmt.i_codec = VLC_CODEC_DTS;
+ break;
+ case( 0xDD ):
+ p_track->fmt.i_codec = VLC_CODEC_VORBIS;
break;
/* Private ID */
p_track->fmt.i_extra);
}
break;
+
+ case VLC_CODEC_AMR_NB:
+ p_track->fmt.audio.i_rate = 8000;
+ break;
+ case VLC_CODEC_AMR_WB:
+ p_track->fmt.audio.i_rate = 16000;
+ break;
case VLC_FOURCC( 'Q', 'D', 'M', 'C' ):
- case VLC_FOURCC( 'Q', 'D', 'M', '2' ):
- case VLC_FOURCC( 'Q', 'c', 'l', 'p' ):
- case VLC_FOURCC( 's', 'a', 'm', 'r' ):
- case VLC_FOURCC( 'a', 'l', 'a', 'c' ):
+ case VLC_CODEC_QDM2:
+ case VLC_CODEC_ALAC:
p_track->fmt.i_extra =
p_sample->data.p_sample_soun->i_qt_description;
if( p_track->fmt.i_extra > 0 )
}
break;
+ case VLC_FOURCC( 'v', 'c', '-', '1' ):
+ {
+ 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;
+ 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.i_extra );
+ }
+ }
+ else
+ {
+ msg_Err( p_demux, "missing dvc1" );
+ }
+ break;
+ }
+
/* avc1: send avcC (h264 without annexe B, ie without start code)*/
case VLC_FOURCC( 'a', 'v', 'c', '1' ):
{
break;
}
- case VLC_FOURCC('m','s',0x00,0x02):
- case VLC_FOURCC('m','s',0x00,0x11):
+ case VLC_CODEC_ADPCM_MS:
+ case VLC_CODEC_ADPCM_IMA_WAV:
+ case VLC_CODEC_QCELP:
p_track->fmt.audio.i_blockalign = p_sample->data.p_sample_soun->i_bytes_per_frame;
break;
default:
+ msg_Dbg( p_demux, "Unrecognized FourCC %4.4s", (char *)&p_sample->i_type );
break;
}
}
#undef p_decconfig
- /* some last initialisation */
- switch( p_track->fmt.i_cat )
- {
- case VIDEO_ES:
- p_track->fmt.video.i_width = p_sample->data.p_sample_vide->i_width;
- p_track->fmt.video.i_height = p_sample->data.p_sample_vide->i_height;
- p_track->fmt.video.i_bits_per_pixel =
- p_sample->data.p_sample_vide->i_depth;
-
- /* fall on display size */
- if( p_track->fmt.video.i_width <= 0 )
- p_track->fmt.video.i_width = p_track->i_width;
- if( p_track->fmt.video.i_height <= 0 )
- p_track->fmt.video.i_height = p_track->i_height;
-
- /* Find out apect ratio from display size */
- if( p_track->i_width > 0 && p_track->i_height > 0 &&
- /* Work-around buggy muxed files */
- p_sample->data.p_sample_vide->i_width != p_track->i_width )
- p_track->fmt.video.i_aspect =
- VOUT_ASPECT_FACTOR * p_track->i_width / p_track->i_height;
-
- /* Support for cropping (eg. in H263 files) */
- p_track->fmt.video.i_visible_width = p_track->fmt.video.i_width;
- p_track->fmt.video.i_visible_height = p_track->fmt.video.i_height;
-
- /* Frame rate */
- p_track->fmt.video.i_frame_rate = p_track->i_timescale;
- p_track->fmt.video.i_frame_rate_base = 1;
-
- if( p_track->fmt.video.i_frame_rate &&
- (p_box = MP4_BoxGet( p_track->p_stbl, "stts" )) &&
- p_box->data.p_stts->i_entry_count >= 1 )
- {
- p_track->fmt.video.i_frame_rate_base =
- p_box->data.p_stts->i_sample_delta[0];
- }
-
- break;
-
- case AUDIO_ES:
- p_track->fmt.audio.i_channels =
- p_sample->data.p_sample_soun->i_channelcount;
- p_track->fmt.audio.i_rate =
- p_sample->data.p_sample_soun->i_sampleratehi;
- p_track->fmt.i_bitrate = p_sample->data.p_sample_soun->i_channelcount *
- p_sample->data.p_sample_soun->i_sampleratehi *
- p_sample->data.p_sample_soun->i_samplesize;
- p_track->fmt.audio.i_bitspersample =
- p_sample->data.p_sample_soun->i_samplesize;
-
- if( p_track->i_sample_size != 0 &&
- p_sample->data.p_sample_soun->i_qt_version == 1 && p_sample->data.p_sample_soun->i_sample_per_packet <= 0 )
- {
- msg_Err( p_demux, "Invalid sample per packet value for qt_version 1" );
- return VLC_EGENERIC;
- }
- break;
-
- default:
- break;
- }
-
if( pp_es )
*pp_es = es_out_Add( p_demux->out, &p_track->fmt );
uint32_t *pi_sample )
{
demux_sys_t *p_sys = p_demux->p_sys;
- MP4_Box_t *p_stss;
+ MP4_Box_t *p_box_stss;
uint64_t i_dts;
unsigned int i_sample;
unsigned int i_chunk;
/* *** Try to find nearest sync points *** */
- if( ( p_stss = MP4_BoxGet( p_track->p_stbl, "stss" ) ) )
+ if( ( p_box_stss = MP4_BoxGet( p_track->p_stbl, "stss" ) ) )
{
- unsigned int i_index;
- msg_Dbg( p_demux,
- "track[Id 0x%x] using Sync Sample Box (stss)",
- p_track->i_track_ID );
- for( i_index = 0; i_index < p_stss->data.p_stss->i_entry_count; i_index++ )
+ MP4_Box_data_stss_t *p_stss = p_box_stss->data.p_stss;
+ msg_Dbg( p_demux, "track[Id 0x%x] using Sync Sample Box (stss)",
+ p_track->i_track_ID );
+ for( unsigned i_index = 0; i_index < p_stss->i_entry_count; i_index++ )
{
- if( p_stss->data.p_stss->i_sample_number[i_index] >= i_sample )
+ if( i_index >= p_stss->i_entry_count - 1 ||
+ i_sample < p_stss->i_sample_number[i_index+1] )
{
- if( i_index > 0 )
+ unsigned i_sync_sample = p_stss->i_sample_number[i_index];
+ msg_Dbg( p_demux, "stts gives %d --> %d (sample number)",
+ i_sample, i_sync_sample );
+
+ if( i_sync_sample <= i_sample )
{
- msg_Dbg( p_demux, "stts gives %d --> %d (sample number)",
- i_sample,
- p_stss->data.p_stss->i_sample_number[i_index-1] );
- i_sample = p_stss->data.p_stss->i_sample_number[i_index-1];
- /* new i_sample is less than old so i_chunk can only decreased */
while( i_chunk > 0 &&
- i_sample < p_track->chunk[i_chunk].i_sample_first )
- {
+ i_sync_sample < p_track->chunk[i_chunk].i_sample_first )
i_chunk--;
- }
}
else
{
- msg_Dbg( p_demux, "stts gives %d --> %d (sample number)",
- i_sample,
- p_stss->data.p_stss->i_sample_number[i_index] );
- i_sample = p_stss->data.p_stss->i_sample_number[i_index];
- /* new i_sample is more than old so i_chunk can only increased */
while( i_chunk < p_track->i_chunk_count - 1 &&
- i_sample >= p_track->chunk[i_chunk].i_sample_first +
- p_track->chunk[i_chunk].i_sample_count )
- {
+ i_sync_sample >= p_track->chunk[i_chunk].i_sample_first +
+ p_track->chunk[i_chunk].i_sample_count )
i_chunk++;
- }
}
+ i_sample = i_sync_sample;
break;
}
}
MP4_Box_t *p_vmhd;
MP4_Box_t *p_smhd;
- MP4_Box_t *p_drms;
-
- unsigned int i;
char language[4];
/* hint track unsupported */
p_track->fmt.i_priority = -1;
p_track->i_track_ID = p_tkhd->data.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;
if( p_tref )
{
}
p_track->i_timescale = p_mdhd->data.p_mdhd->i_timescale;
- if( !p_track->i_timescale )
+ if( p_track->i_timescale == 0 )
return;
if( p_mdhd->data.p_mdhd->i_language_code < 0x800 )
}
else
{
- for( i = 0; i < 3; i++ )
+ for( unsigned i = 0; i < 3; i++ )
language[i] = p_mdhd->data.p_mdhd->i_language[i];
language[3] = '\0';
}
switch( p_hdlr->data.p_hdlr->i_handler_type )
{
- case( FOURCC_soun ):
+ case( ATOM_soun ):
if( !( p_smhd = MP4_BoxGet( p_box_trak, "mdia/minf/smhd" ) ) )
{
return;
p_track->fmt.i_cat = AUDIO_ES;
break;
- case( FOURCC_vide ):
+ case( ATOM_vide ):
if( !( p_vmhd = MP4_BoxGet( p_box_trak, "mdia/minf/vmhd" ) ) )
{
return;
p_track->fmt.i_cat = VIDEO_ES;
break;
- case( FOURCC_text ):
- case( FOURCC_subp ):
- case( FOURCC_tx3g ):
+ case( ATOM_text ):
+ case( ATOM_subp ):
+ case( ATOM_tx3g ):
+ case( ATOM_sbtl ):
p_track->fmt.i_cat = SPU_ES;
break;
return;
}
- p_drms = MP4_BoxGet( p_track->p_stsd, "drms" );
- p_track->b_drms = p_drms != NULL;
- p_track->p_drms = p_track->b_drms ?
- p_drms->data.p_sample_soun->p_drms : NULL;
-
/* Set language */
if( *language && strcmp( language, "```" ) && strcmp( language, "und" ) )
{
p_udta = MP4_BoxGet( p_box_trak, "udta" );
if( p_udta )
{
- MP4_Box_t *p_0xa9xxx;
- for( p_0xa9xxx = p_udta->p_first; p_0xa9xxx != NULL;
- p_0xa9xxx = p_0xa9xxx->p_next )
+ MP4_Box_t *p_box_iter;
+ for( p_box_iter = p_udta->p_first; p_box_iter != NULL;
+ p_box_iter = p_box_iter->p_next )
{
- switch( p_0xa9xxx->i_type )
+ switch( p_box_iter->i_type )
{
- case FOURCC_0xa9nam:
+ case ATOM_0xa9nam:
+ p_track->fmt.psz_description =
+ strdup( p_box_iter->data.p_0xa9xxx->psz_text );
+ break;
+ case ATOM_name:
p_track->fmt.psz_description =
- strdup( p_0xa9xxx->data.p_0xa9xxx->psz_text );
+ strdup( p_box_iter->data.p_name->psz_text );
break;
}
}
#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 )
{
if( p_soun->i_qt_version == 1 )
{
- i_size = p_track->chunk[p_track->i_chunk].i_sample_count /
- p_soun->i_sample_per_packet * p_soun->i_bytes_per_frame;
+ int 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;
}
else if( p_track->i_sample_size > 256 )
{
MP4_Box_data_sample_soun_t *p_soun =
p_track->p_sample->data.p_sample_soun;
- if( p_soun->i_qt_version == 0 )
+ if( p_track->fmt.i_cat != AUDIO_ES || p_soun->i_qt_version == 0 )
{
i_pos += ( p_track->i_sample -
p_track->chunk[p_track->i_chunk].i_sample_first ) *
}
else
{
- /* we read chunk by chunk */
- i_pos += 0;
+ /* we read chunk by chunk unless a blockalign is requested */
+ if( p_track->fmt.audio.i_blockalign > 1 )
+ i_pos += ( p_track->i_sample - p_track->chunk[p_track->i_chunk].i_sample_first ) /
+ p_soun->i_sample_per_packet * p_soun->i_bytes_per_frame;
}
}
else
if( p_soun->i_qt_version == 1 )
{
- /* chunk by chunk */
- p_track->i_sample =
- p_track->chunk[p_track->i_chunk].i_sample_first +
- p_track->chunk[p_track->i_chunk].i_sample_count;
+ /* we read chunk by chunk unless a blockalign is requested */
+ if( p_track->fmt.audio.i_blockalign > 1 )
+ p_track->i_sample += p_soun->i_sample_per_packet;
+ else
+ p_track->i_sample += p_track->chunk[p_track->i_chunk].i_sample_count;
}
else if( p_track->i_sample_size > 256 )
{
/* */
static const char *MP4_ConvertMacCode( uint16_t i_code )
{
- static const struct { const char *psz_iso639_1; uint16_t i_code; } p_cvt[] = {
+ static const struct { const char psz_iso639_1[3]; uint16_t i_code; } p_cvt[] = {
{ "en", 0 }, { "fr", 1 }, { "de", 2 }, { "it", 3 }, { "nl", 4 },
{ "sv", 5 }, { "es", 6 }, { "da", 7 }, { "pt", 8 }, { "no", 9 },
{ "he", 10 }, { "ja", 11 }, { "ar", 12 }, { "fi", 13 }, { "el", 14 },
{ "gl", 140 }, { "af", 141 }, { "br", 142 }, { "iu", 143 }, { "gd", 144 },
{ "gv", 145 }, { "ga", 146 }, { "to", 147 }, { "el", 148 },
/* */
- { NULL, 0 }
+ { "", 0 }
};
int i;
- for( i = 0; p_cvt[i].psz_iso639_1 != NULL; i++ )
+ for( i = 0; *p_cvt[i].psz_iso639_1; i++ )
{
if( p_cvt[i].i_code == i_code )
return p_cvt[i].psz_iso639_1;
}
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 )
+ 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 = p_stra->data.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_GetTrack( demux_t *p_demux, const uint16_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 )
+ return NULL;
+ if( ret->i_track_ID == tid )
+ return ret;
+ }
+ msg_Err( p_demux, "MP4_frg_GetTrack: track %"PRIu16" 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 = p_tfhd->data.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_GetTrack( p_demux, i_track_ID );
+ if( !p_track )
+ return VLC_EGENERIC;
+
+ mp4_chunk_t *ret = p_track->cchunk;
+
+ if( p_tfhd->data.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( p_tfhd->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_DURATION )
+ default_duration = p_tfhd->data.p_tfhd->i_default_sample_duration;
+
+ uint32_t default_size = 0;
+ if( p_tfhd->data.p_tfhd->i_flags & MP4_TFHD_DFLT_SAMPLE_SIZE )
+ default_size = p_tfhd->data.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 )
+ {
+ if( p_sidx )
+ {
+ MP4_Box_data_sidx_t *p_sidx_data = p_sidx->data.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, len;
+ uint32_t chunk_duration = 0, chunk_size = 0;
+
+ /* Skip header of mdat */
+ stream_Read( p_demux->s, NULL, 8 );
+
+ 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 )
+ {
+ ret->p_sample_offset_pts[i] =
+ 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;
+
+ ret->p_sample_data[i] = malloc( len );
+ if( ret->p_sample_data[i] == NULL )
+ return VLC_ENOMEM;
+ int read = stream_Read( p_demux->s, ret->p_sample_data[i], len );
+ if( read < (int)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 );
+
+ 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;
+ uint16_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 = p_tkhd->data.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 = p_stra->data.p_stra->i_track_ID;
+ }
+
+ p_track = MP4_frg_GetTrack( 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, (unsigned *)&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;
+}
+
+/**
+ * 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 = (mtime_t)1000000 *
+ (mtime_t)p_sys->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;
+}
projects / vlc / blobdiff