/*****************************************************************************
* mp4.c : MP4 file input module for vlc
*****************************************************************************
- * Copyright (C) 2001 VideoLAN
- * $Id: mp4.c,v 1.46 2003/12/20 16:22:59 gbazin Exp $
+ * Copyright (C) 2001-2004 the VideoLAN team
+ * $Id$
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
* This program is free software; you can redistribute it and/or modify
#include <vlc/vlc.h>
#include <vlc/input.h>
#include <vlc_playlist.h>
+#include <vlc_md5.h>
+#include "iso_lang.h"
+#include "vlc_meta.h"
#include "libmp4.h"
-#include "mp4.h"
+#include "drms.h"
+
+#ifdef UNDER_CE
+#define uint64_t int64_t
+#endif
/*****************************************************************************
* Module descriptor
static void Close( vlc_object_t * );
vlc_module_begin();
- set_description( _("MP4 demuxer") );
- set_capability( "demux", 242 );
+ set_category( CAT_INPUT );
+ set_subcategory( SUBCAT_INPUT_DEMUX );
+ set_description( _("MP4 stream demuxer") );
+ set_capability( "demux2", 242 );
set_callbacks( Open, Close );
vlc_module_end();
/*****************************************************************************
* Local prototypes
*****************************************************************************/
-static int Demux ( input_thread_t * );
-static int DemuxRef( input_thread_t *p_input )
+static int Demux ( demux_t * );
+static int DemuxRef( demux_t *p_demux ){ return 0;}
+static int Seek ( demux_t *, mtime_t );
+static int Control ( demux_t *, int, va_list );
+
+/* Contain all information about a chunk */
+typedef struct
{
- return 0;
-}
-static int Seek ( input_thread_t *, mtime_t );
-static int Control ( input_thread_t *, int, va_list );
+ 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
+{
+ int i_track_ID; /* this should be unique */
+
+ int b_ok; /* The track is usable */
+ int b_enable; /* is the trak enable by default */
+ vlc_bool_t b_selected; /* is the trak being played */
+
+ 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 */
+
+ vlc_bool_t b_drms;
+ void *p_drms;
+
+} mp4_track_t;
+
+
+struct demux_sys_t
+{
+ MP4_Box_t *p_root; /* container for the whole file */
+
+ mtime_t i_pcr;
+
+ uint64_t i_time; /* time position of the presentation
+ * in movie timescale */
+ uint64_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 */
+};
/*****************************************************************************
* Declaration of local function
*****************************************************************************/
-static void MP4_TrackCreate ( input_thread_t *, track_data_mp4_t *, MP4_Box_t *);
-static void MP4_TrackDestroy( input_thread_t *, track_data_mp4_t * );
+static void MP4_TrackCreate ( demux_t *, mp4_track_t *, MP4_Box_t *);
+static void MP4_TrackDestroy( demux_t *, mp4_track_t * );
+
+static int MP4_TrackSelect ( demux_t *, mp4_track_t *, mtime_t );
+static void MP4_TrackUnselect(demux_t *, mp4_track_t * );
+
+static int MP4_TrackSeek ( demux_t *, mp4_track_t *, mtime_t );
-static int MP4_TrackSelect ( input_thread_t *, track_data_mp4_t *, mtime_t );
-static void MP4_TrackUnselect(input_thread_t *, track_data_mp4_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 void MP4_TrackSetELST( demux_t *, mp4_track_t *, int64_t );
+
+/* Return time in s 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]
+
+ unsigned int i_index = 0;
+ unsigned int i_sample = p_track->i_sample - chunk.i_sample_first;
+ int64_t i_dts = chunk.i_first_dts;
+
+ while( i_sample > 0 )
+ {
+ if( i_sample > chunk.p_sample_count_dts[i_index] )
+ {
+ i_dts += chunk.p_sample_count_dts[i_index] *
+ chunk.p_sample_delta_dts[i_index];
+ i_sample -= chunk.p_sample_count_dts[i_index];
+ i_index++;
+ }
+ else
+ {
+ i_dts += i_sample * chunk.p_sample_delta_dts[i_index];
+ i_sample = 0;
+ break;
+ }
+ }
-static int MP4_TrackSeek ( input_thread_t *, track_data_mp4_t *, mtime_t );
+#undef chunk
-static uint64_t MP4_GetTrackPos ( track_data_mp4_t * );
-static int MP4_TrackSampleSize( track_data_mp4_t * );
-static int MP4_TrackNextSample( input_thread_t *, track_data_mp4_t * );
+ /* 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;
-#define FREE( p ) \
- if( p ) { free( p ); (p) = NULL;}
+ /* convert to offset */
+ if( ( elst->i_media_rate_integer[p_track->i_elst] > 0 ||
+ elst->i_media_rate_fraction[p_track->i_elst] > 0 ) &&
+ elst->i_media_time[p_track->i_elst] > 0 )
+ {
+ i_dts -= elst->i_media_time[p_track->i_elst];
+ }
+
+ /* add i_elst_time */
+ i_dts += p_track->i_elst_time * p_track->i_timescale /
+ p_sys->i_timescale;
+
+ if( i_dts < 0 ) i_dts = 0;
+ }
+
+ return I64C(1000000) * i_dts / p_track->i_timescale;
+}
+
+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];
+ unsigned int i_index = 0;
+ unsigned int i_sample = p_track->i_sample - ck->i_sample_first;
+
+ if( ck->p_sample_count_pts == NULL || ck->p_sample_offset_pts == NULL )
+ return -1;
+
+ for( i_index = 0;; i_index++ )
+ {
+ if( i_sample < ck->p_sample_count_pts[i_index] )
+ return ck->p_sample_offset_pts[i_index] * I64C(1000000) /
+ (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 I64C(1000000) * p_sys->i_time / p_sys->i_timescale;
+}
+
+#define FREE( p ) if( p ) { free( p ); (p) = NULL;}
/*****************************************************************************
* Open: check file and initializes MP4 structures
*****************************************************************************/
static int Open( vlc_object_t * p_this )
{
- input_thread_t *p_input = (input_thread_t *)p_this;
+ demux_t *p_demux = (demux_t *)p_this;
demux_sys_t *p_sys;
uint8_t *p_peek;
unsigned int i;
vlc_bool_t b_seekable;
- /* a little test to see if it could be a mp4 */
- if( stream_Peek( p_input->s, &p_peek, 8 ) < 8 )
- {
- msg_Warn( p_input, "MP4 plugin discarded (cannot peek)" );
- return VLC_EGENERIC;
- }
+ /* A little test to see if it could be a mp4 */
+ if( stream_Peek( p_demux->s, &p_peek, 8 ) < 8 ) return VLC_EGENERIC;
+
switch( VLC_FOURCC( p_peek[4], p_peek[5], p_peek[6], p_peek[7] ) )
{
case FOURCC_ftyp:
case FOURCC_free:
case FOURCC_skip:
case FOURCC_wide:
+ case VLC_FOURCC( 'p', 'n', 'o', 't' ):
break;
default:
- msg_Warn( p_input, "MP4 plugin discarded (not a valid file)" );
return VLC_EGENERIC;
}
/* I need to seek */
- stream_Control( p_input->s, STREAM_CAN_SEEK, &b_seekable );
+ stream_Control( p_demux->s, STREAM_CAN_SEEK, &b_seekable );
if( !b_seekable )
{
- msg_Warn( p_input, "MP4 plugin discarded (unseekable)" );
+ msg_Warn( p_demux, "MP4 plugin discarded (unseekable)" );
return VLC_EGENERIC;
}
/*Set exported functions */
- p_input->pf_demux = Demux;
- p_input->pf_demux_control = Control;
+ p_demux->pf_demux = Demux;
+ p_demux->pf_control = Control;
/* create our structure that will contains all data */
- p_input->p_demux_data = p_sys = malloc( sizeof( demux_sys_t ) );
+ p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
memset( p_sys, 0, sizeof( demux_sys_t ) );
/* Now load all boxes ( except raw data ) */
- if( ( p_sys->p_root = MP4_BoxGetRoot( p_input ) ) == NULL )
+ if( ( p_sys->p_root = MP4_BoxGetRoot( p_demux->s ) ) == NULL )
{
- msg_Warn( p_input, "MP4 plugin discarded (not a valid file)" );
+ msg_Warn( p_demux, "MP4 plugin discarded (not a valid file)" );
goto error;
}
- MP4_BoxDumpStructure( p_input, p_sys->p_root );
+ MP4_BoxDumpStructure( p_demux->s, p_sys->p_root );
if( ( p_ftyp = MP4_BoxGet( p_sys->p_root, "/ftyp" ) ) )
{
switch( p_ftyp->data.p_ftyp->i_major_brand )
{
case( FOURCC_isom ):
- msg_Dbg( p_input,
+ msg_Dbg( p_demux,
"ISO Media file (isom) version %d.",
p_ftyp->data.p_ftyp->i_minor_version );
break;
default:
- msg_Dbg( p_input,
+ msg_Dbg( p_demux,
"unrecognized major file specification (%4.4s).",
(char*)&p_ftyp->data.p_ftyp->i_major_brand );
break;
}
else
{
- msg_Dbg( p_input, "file type box missing (assuming ISO Media file)" );
+ msg_Dbg( p_demux, "file type box missing (assuming ISO Media file)" );
}
/* the file need to have one moov box */
if( !p_foov )
{
- msg_Err( p_input, "MP4 plugin discarded (no moov box)" );
+ msg_Err( p_demux, "MP4 plugin discarded (no moov box)" );
goto error;
}
/* we have a free box as a moov, rename it */
if( ( p_rmra = MP4_BoxGet( p_sys->p_root, "/moov/rmra" ) ) )
{
playlist_t *p_playlist;
+ playlist_item_t *p_item;
int i_count = MP4_BoxCount( p_rmra, "rmda" );
int i;
+ vlc_bool_t b_play = VLC_FALSE;
- msg_Dbg( p_input, "detected playlist mov file (%d ref)", i_count );
+ msg_Dbg( p_demux, "detected playlist mov file (%d ref)", i_count );
p_playlist =
- (playlist_t *)vlc_object_find( p_input,
+ (playlist_t *)vlc_object_find( p_demux,
VLC_OBJECT_PLAYLIST,
FIND_ANYWHERE );
if( p_playlist )
{
- //p_playlist->pp_items[p_playlist->i_index]->b_autodeletion = VLC_TRUE;
+ p_item = playlist_LockItemGetByInput( p_playlist,
+ ((input_thread_t *)p_demux->p_parent)->input.p_item );
+ playlist_ItemToNode( p_playlist, p_item );
+
for( i = 0; i < i_count; i++ )
{
MP4_Box_t *p_rdrf = MP4_BoxGet( p_rmra, "rmda[%d]/rdrf", i );
}
i_ref_type = p_rdrf->data.p_rdrf->i_ref_type;
- msg_Dbg( p_input, "new ref=`%s' type=%4.4s",
+ msg_Dbg( p_demux, "new ref=`%s' type=%4.4s",
psz_ref, (char*)&i_ref_type );
if( i_ref_type == VLC_FOURCC( 'u', 'r', 'l', ' ' ) )
{
if( strstr( psz_ref, "qt5gateQT" ) )
{
- msg_Dbg( p_input, "ignoring pseudo ref =`%s'", psz_ref );
+ msg_Dbg( p_demux, "ignoring pseudo ref =`%s'", psz_ref );
continue;
}
if( !strncmp( psz_ref, "http://", 7 ) ||
!strncmp( psz_ref, "rtsp://", 7 ) )
{
- msg_Dbg( p_input, "adding ref = `%s'", psz_ref );
- playlist_Add( p_playlist, psz_ref, 0, 0,
- PLAYLIST_APPEND, PLAYLIST_END );
+ msg_Dbg( p_demux, "adding ref = `%s'", psz_ref );
+ if( p_item )
+ {
+ playlist_item_t *p_child =
+ playlist_ItemNew( p_playlist,
+ psz_ref, psz_ref );
+ if( p_child )
+ {
+ playlist_NodeAddItem( p_playlist, p_child,
+ p_item->pp_parents[0]->i_view,
+ p_item, PLAYLIST_APPEND,
+ PLAYLIST_END );
+ playlist_CopyParents( p_item, p_child );
+ b_play = VLC_TRUE;
+ }
+ }
}
else
{
/* msg dbg relative ? */
- char *psz_absolute = alloca( strlen( p_input->psz_source ) + strlen( psz_ref ) + 1);
- char *end = strrchr( p_input->psz_source, '/' );
+ char *psz_absolute = alloca( strlen( p_demux->psz_access ) + 3 + strlen( p_demux->psz_path ) + strlen( psz_ref ) + 1);
+ char *end = strrchr( p_demux->psz_path, '/' );
if( end )
{
- int i_len = end + 1 - p_input->psz_source;
+ int i_len = end + 1 - p_demux->psz_path;
- strncpy( psz_absolute, p_input->psz_source, i_len);
- psz_absolute[i_len] = '\0';
+ strcpy( psz_absolute, p_demux->psz_access );
+ strcat( psz_absolute, "://" );
+ strncat( psz_absolute, p_demux->psz_path, i_len);
}
else
{
strcpy( psz_absolute, "" );
}
strcat( psz_absolute, psz_ref );
- msg_Dbg( p_input, "adding ref = `%s'", psz_absolute );
- playlist_Add( p_playlist, psz_absolute, 0, 0,
- PLAYLIST_APPEND, PLAYLIST_END );
+ msg_Dbg( p_demux, "adding ref = `%s'", psz_absolute );
+ if( p_item )
+ {
+ playlist_item_t *p_child =
+ playlist_ItemNew( p_playlist,
+ psz_absolute,
+ psz_absolute );
+ if( p_child )
+ {
+ playlist_NodeAddItem( p_playlist, p_child,
+ p_item->pp_parents[0]->i_view,
+ p_item, PLAYLIST_APPEND,
+ PLAYLIST_END );
+ playlist_CopyParents( p_item, p_child );
+ b_play = VLC_TRUE;
+ }
+ }
}
}
else
{
- msg_Err( p_input, "unknown ref type=%4.4s FIXME (send a bug report)", (char*)&p_rdrf->data.p_rdrf->i_ref_type );
+ msg_Err( p_demux, "unknown ref type=%4.4s FIXME (send a bug report)",
+ (char*)&p_rdrf->data.p_rdrf->i_ref_type );
}
}
+ if( b_play == VLC_TRUE )
+ {
+ playlist_Control( p_playlist, PLAYLIST_VIEWPLAY,
+ p_playlist->status.i_view,
+ p_playlist->status.p_item, NULL );
+ }
vlc_object_release( p_playlist );
}
else
{
- msg_Err( p_input, "can't find playlist" );
+ msg_Err( p_demux, "can't find playlist" );
}
}
{
if( !p_rmra )
{
- msg_Err( p_input, "cannot find /moov/mvhd" );
+ msg_Err( p_demux, "cannot find /moov/mvhd" );
goto error;
}
else
{
- msg_Warn( p_input, "cannot find /moov/mvhd (pure ref file)" );
- p_input->pf_demux = DemuxRef;
+ msg_Warn( p_demux, "cannot find /moov/mvhd (pure ref file)" );
+ p_demux->pf_demux = DemuxRef;
return VLC_SUCCESS;
}
}
if( !( p_sys->i_tracks = MP4_BoxCount( p_sys->p_root, "/moov/trak" ) ) )
{
- msg_Err( p_input, "cannot find any /moov/trak" );
+ msg_Err( p_demux, "cannot find any /moov/trak" );
goto error;
}
- msg_Dbg( p_input, "find %d track%c",
+ msg_Dbg( p_demux, "find %d track%c",
p_sys->i_tracks,
p_sys->i_tracks ? 's':' ' );
- /* create one program */
- vlc_mutex_lock( &p_input->stream.stream_lock );
- if( input_InitStream( p_input, 0 ) == -1)
- {
- vlc_mutex_unlock( &p_input->stream.stream_lock );
- msg_Err( p_input, "cannot init stream" );
- goto error;
- }
- if( p_sys->i_duration/p_sys->i_timescale > 0 )
- {
- p_input->stream.i_mux_rate =
- p_input->stream.p_selected_area->i_size / 50 /
- ( p_sys->i_duration / p_sys->i_timescale );
- }
- else
- {
- p_input->stream.i_mux_rate = 0;
- }
- vlc_mutex_unlock( &p_input->stream.stream_lock );
-
-
/* allocate memory */
- p_sys->track = calloc( p_sys->i_tracks, sizeof( track_data_mp4_t ) );
- memset( p_sys->track, 0, p_sys->i_tracks * sizeof( track_data_mp4_t ) );
+ p_sys->track = calloc( p_sys->i_tracks, sizeof( mp4_track_t ) );
+ memset( p_sys->track, 0, p_sys->i_tracks * sizeof( mp4_track_t ) );
- /* now process each track and extract all usefull informations */
+ /* now process each track and extract all usefull information */
for( i = 0; i < p_sys->i_tracks; i++ )
{
p_trak = MP4_BoxGet( p_sys->p_root, "/moov/trak[%d]", i );
- MP4_TrackCreate( p_input, &p_sys->track[i], p_trak );
+ MP4_TrackCreate( p_demux, &p_sys->track[i], p_trak );
if( p_sys->track[i].b_ok )
{
case( AUDIO_ES ):
psz_cat = "audio";
break;
+ case( SPU_ES ):
+ psz_cat = "subtitle";
+ break;
+
default:
psz_cat = "unknown";
break;
}
- msg_Dbg( p_input, "adding track[Id 0x%x] %s (%s) language %s",
- p_sys->track[i].i_track_ID,
- psz_cat,
- p_sys->track[i].b_enable ? "enable":"disable",
- p_sys->track[i].fmt.psz_language ? p_sys->track[i].fmt.psz_language : "undef" );
+ msg_Dbg( p_demux, "adding track[Id 0x%x] %s (%s) language %s",
+ p_sys->track[i].i_track_ID, psz_cat,
+ p_sys->track[i].b_enable ? "enable":"disable",
+ p_sys->track[i].fmt.psz_language ?
+ p_sys->track[i].fmt.psz_language : "undef" );
}
else
{
- msg_Dbg( p_input, "ignoring track[Id 0x%x]", p_sys->track[i].i_track_ID );
+ msg_Dbg( p_demux, "ignoring track[Id 0x%x]",
+ p_sys->track[i].i_track_ID );
}
}
error:
if( p_sys->p_root )
{
- MP4_BoxFree( p_input, p_sys->p_root );
+ MP4_BoxFree( p_demux->s, p_sys->p_root );
}
free( p_sys );
return VLC_EGENERIC;
*****************************************************************************
* TODO check for newly selected track (ie audio upt to now )
*****************************************************************************/
-static int Demux( input_thread_t *p_input )
+static int Demux( demux_t *p_demux )
{
- demux_sys_t *p_sys = p_input->p_demux_data;
+ demux_sys_t *p_sys = p_demux->p_sys;
unsigned int i_track;
unsigned int i_track_selected;
- vlc_bool_t b_play_audio;
/* check for newly selected/unselected track */
- for( i_track = 0, i_track_selected = 0; i_track < p_sys->i_tracks; i_track++ )
+ for( i_track = 0, i_track_selected = 0; i_track < p_sys->i_tracks;
+ i_track++ )
{
-#define track p_sys->track[i_track]
- if( track.b_selected && track.i_sample >= track.i_sample_count )
+ mp4_track_t *tk = &p_sys->track[i_track];
+ vlc_bool_t b;
+
+ if( !tk->b_ok ||
+ ( tk->b_selected && tk->i_sample >= tk->i_sample_count ) )
{
- msg_Warn( p_input, "track[0x%x] will be disabled", track.i_track_ID );
- MP4_TrackUnselect( p_input, &track );
+ continue;
}
- else if( track.b_ok )
- {
- vlc_bool_t b;
- es_out_Control( p_input->p_es_out, ES_OUT_GET_ES_STATE, track.p_es, &b );
- if( track.b_selected && !b )
- {
- MP4_TrackUnselect( p_input, &track );
- }
- else if( !track.b_selected && b)
- {
- MP4_TrackSelect( p_input, &track, MP4_GetMoviePTS( p_sys ) );
- }
+ es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
- if( track.b_selected )
- {
- i_track_selected++;
- }
+ if( tk->b_selected && !b )
+ {
+ MP4_TrackUnselect( p_demux, tk );
+ }
+ else if( !tk->b_selected && b)
+ {
+ MP4_TrackSelect( p_demux, tk, MP4_GetMoviePTS( p_sys ) );
+ }
+
+ if( tk->b_selected )
+ {
+ i_track_selected++;
}
-#undef track
}
if( i_track_selected <= 0 )
{
- msg_Warn( p_input, "no track selected, exiting..." );
- return( 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 */
- input_ClockManageRef( p_input,
- p_input->stream.p_selected_program,
- p_sys->i_pcr );
+ es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pcr + 1 );
- /* update pcr XXX in mpeg scale so in 90000 unit/s */
- p_sys->i_pcr = MP4_GetMoviePTS( p_sys ) * 9 / 100;
+ 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 );
- /* Check if we need to send the audio data to decoder */
- b_play_audio = !p_input->stream.control.b_mute;
-
for( i_track = 0; i_track < p_sys->i_tracks; i_track++ )
{
-#define track p_sys->track[i_track]
- if( !track.b_ok ||
- !track.b_selected ||
- MP4_GetTrackPTS( &track ) >= MP4_GetMoviePTS( p_sys ) )
+ mp4_track_t *tk = &p_sys->track[i_track];
+
+ if( !tk->b_ok || !tk->b_selected || tk->i_sample >= tk->i_sample_count )
{
continue;
}
- while( MP4_GetTrackPTS( &track ) < MP4_GetMoviePTS( p_sys ) )
+ while( MP4_TrackGetDTS( p_demux, tk ) < MP4_GetMoviePTS( p_sys ) )
{
+#if 0
+ msg_Dbg( p_demux, "tk(%i)=%lld mv=%lld", i_track,
+ MP4_TrackGetDTS( p_demux, tk ),
+ MP4_GetMoviePTS( p_sys ) );
+#endif
- if( !b_play_audio && track.fmt.i_cat == AUDIO_ES )
- {
- if( MP4_TrackNextSample( p_input, &track ) )
- {
- break;
- }
- }
- else
+ if( MP4_TrackSampleSize( tk ) > 0 )
{
block_t *p_block;
+ int64_t i_delta;
/* go,go go ! */
- if( stream_Seek( p_input->s, MP4_GetTrackPos( &track ) ) )
+ if( stream_Seek( p_demux->s, MP4_TrackGetPos( tk ) ) )
{
- msg_Warn( p_input, "track[0x%x] will be disabled (eof?)", track.i_track_ID );
- MP4_TrackUnselect( p_input, &track );
+ msg_Warn( p_demux, "track[0x%x] will be disabled (eof?)",
+ tk->i_track_ID );
+ MP4_TrackUnselect( p_demux, tk );
break;
}
/* now read pes */
- if( ( p_block = stream_Block( p_input->s,
- MP4_TrackSampleSize( &track ) ) ) == NULL )
+ if( !(p_block =
+ stream_Block( p_demux->s, MP4_TrackSampleSize(tk) )) )
{
- msg_Warn( p_input, "track[0x%x] will be disabled (eof?)", track.i_track_ID );
- MP4_TrackUnselect( p_input, &track );
+ msg_Warn( p_demux, "track[0x%x] will be disabled (eof?)",
+ tk->i_track_ID );
+ MP4_TrackUnselect( p_demux, tk );
break;
}
- if( track.fmt.i_cat == VIDEO_ES )
+ if( tk->b_drms && tk->p_drms )
{
- /* FIXME sometime we can calculate PTS */
- p_block->i_pts = 0;
- p_block->i_dts =
- input_ClockGetTS( p_input,
- p_input->stream.p_selected_program,
- MP4_GetTrackPTS( &track ) * 9/100 );
+ drms_decrypt( tk->p_drms, (uint32_t*)p_block->p_buffer,
+ p_block->i_buffer );
}
- else
+ else if( tk->fmt.i_cat == SPU_ES )
{
- p_block->i_pts =
- p_block->i_dts =
- input_ClockGetTS( p_input,
- p_input->stream.p_selected_program,
- MP4_GetTrackPTS( &track ) * 9/100 );
+ if( tk->fmt.i_codec == VLC_FOURCC( 's', 'u', 'b', 't' ) &&
+ p_block->i_buffer >= 2 )
+ {
+ uint16_t i_size = GetWBE( p_block->p_buffer );
+
+ 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( p_block->p_buffer, '\r' ) ) )
+ {
+ *p = '\n';
+ }
+ }
+ else
+ {
+ /* Invalid */
+ p_block->i_buffer = 0;
+ }
+ }
}
+ /* dts */
+ p_block->i_dts = MP4_TrackGetDTS( p_demux, tk ) + 1;
+ /* 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 = 0;
- es_out_Send( p_input->p_es_out, track.p_es, p_block );
+ if( !tk->b_drms || ( tk->b_drms && tk->p_drms ) )
+ es_out_Send( p_demux->out, tk->p_es, p_block );
+ }
- if( MP4_TrackNextSample( p_input, &track ) )
- {
- break;
- }
+ /* Next sample */
+ if( MP4_TrackNextSample( p_demux, tk ) )
+ {
+ break;
}
}
-#undef track
}
- return( 1 );
+ return 1;
}
/*****************************************************************************
* Seek: Got to i_date
- ******************************************************************************/
-static int Seek ( input_thread_t *p_input, mtime_t i_date )
+******************************************************************************/
+static int Seek( demux_t *p_demux, mtime_t i_date )
{
- demux_sys_t *p_sys = p_input->p_demux_data;
+ demux_sys_t *p_sys = p_demux->p_sys;
unsigned int i_track;
+
/* First update update global time */
p_sys->i_time = i_date * p_sys->i_timescale / 1000000;
- p_sys->i_pcr = i_date* 9 / 100;
+ p_sys->i_pcr = i_date;
/* Now for each stream try to go to this time */
for( i_track = 0; i_track < p_sys->i_tracks; i_track++ )
{
-#define track p_sys->track[i_track]
- if( track.b_ok && track.b_selected )
- {
- MP4_TrackSeek( p_input, &track, i_date );
- }
-#undef track
+ mp4_track_t *tk = &p_sys->track[i_track];
+ MP4_TrackSeek( p_demux, tk, i_date );
}
- return( 1 );
+ return VLC_SUCCESS;
}
/*****************************************************************************
* Control:
*****************************************************************************/
-static int Control ( input_thread_t *p_input, int i_query, va_list args )
+static int Control( demux_t *p_demux, int i_query, va_list args )
{
- demux_sys_t *p_sys = p_input->p_demux_data;
+ demux_sys_t *p_sys = p_demux->p_sys;
- double f, *pf;
+ double f, *pf;
int64_t i64, *pi64;
switch( i_query )
case DEMUX_SET_POSITION:
f = (double)va_arg( args, double );
- i64 = (int64_t)( f *
- (double)1000000 *
- (double)p_sys->i_duration /
- (double)p_sys->i_timescale );
- return Seek( p_input, i64 );
+ if( p_sys->i_timescale > 0 )
+ {
+ i64 = (int64_t)( f * (double)1000000 *
+ (double)p_sys->i_duration /
+ (double)p_sys->i_timescale );
+ return Seek( p_demux, i64 );
+ }
+ else return VLC_SUCCESS;
case DEMUX_GET_TIME:
pi64 = (int64_t*)va_arg( args, int64_t * );
- *pi64 = (mtime_t)1000000 *
- (mtime_t)p_sys->i_time /
- (mtime_t)p_sys->i_timescale;
+ if( p_sys->i_timescale > 0 )
+ {
+ *pi64 = (mtime_t)1000000 *
+ (mtime_t)p_sys->i_time /
+ (mtime_t)p_sys->i_timescale;
+ }
+ else *pi64 = 0;
return VLC_SUCCESS;
case DEMUX_SET_TIME:
i64 = (int64_t)va_arg( args, int64_t );
- return Seek( p_input, i64 );
+ return Seek( p_demux, i64 );
case DEMUX_GET_LENGTH:
pi64 = (int64_t*)va_arg( args, int64_t * );
- *pi64 = (mtime_t)1000000 *
- (mtime_t)p_sys->i_duration /
- (mtime_t)p_sys->i_timescale;
+ if( p_sys->i_timescale > 0 )
+ {
+ *pi64 = (mtime_t)1000000 *
+ (mtime_t)p_sys->i_duration /
+ (mtime_t)p_sys->i_timescale;
+ }
+ else *pi64 = 0;
return VLC_SUCCESS;
+
case DEMUX_GET_FPS:
- msg_Warn( p_input, "DEMUX_GET_FPS unimplemented !!" );
+ msg_Warn( p_demux, "DEMUX_GET_FPS unimplemented !!" );
+ return VLC_EGENERIC;
+
+ case DEMUX_GET_META:
+ {
+ vlc_meta_t **pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
+ vlc_meta_t *meta;
+ MP4_Box_t *p_udta = MP4_BoxGet( p_sys->p_root, "/moov/udta" );
+ MP4_Box_t *p_0xa9xxx;
+ if( p_udta == NULL )
+ {
+ return VLC_EGENERIC;
+ }
+ *pp_meta = meta = vlc_meta_New();
+ for( p_0xa9xxx = p_udta->p_first; p_0xa9xxx != NULL;
+ p_0xa9xxx = p_0xa9xxx->p_next )
+ {
+ switch( p_0xa9xxx->i_type )
+ {
+ case FOURCC_0xa9nam: /* Full name */
+ vlc_meta_Add( meta, VLC_META_TITLE,
+ p_0xa9xxx->data.p_0xa9xxx->psz_text );
+ break;
+ case FOURCC_0xa9aut:
+ vlc_meta_Add( meta, VLC_META_AUTHOR,
+ p_0xa9xxx->data.p_0xa9xxx->psz_text );
+ break;
+ case FOURCC_0xa9ART:
+ vlc_meta_Add( meta, VLC_META_ARTIST,
+ p_0xa9xxx->data.p_0xa9xxx->psz_text );
+ break;
+ case FOURCC_0xa9cpy:
+ vlc_meta_Add( meta, VLC_META_COPYRIGHT,
+ p_0xa9xxx->data.p_0xa9xxx->psz_text );
+ break;
+ case FOURCC_0xa9day: /* Creation Date */
+ vlc_meta_Add( meta, VLC_META_DATE,
+ p_0xa9xxx->data.p_0xa9xxx->psz_text );
+ break;
+ case FOURCC_0xa9des: /* Description */
+ vlc_meta_Add( meta, VLC_META_DESCRIPTION,
+ p_0xa9xxx->data.p_0xa9xxx->psz_text );
+ break;
+ case FOURCC_0xa9gen: /* Genre */
+ vlc_meta_Add( meta, VLC_META_GENRE,
+ p_0xa9xxx->data.p_0xa9xxx->psz_text );
+ break;
+
+ case FOURCC_0xa9swr:
+ case FOURCC_0xa9inf: /* Information */
+ case FOURCC_0xa9alb: /* Album */
+ case FOURCC_0xa9dir: /* Director */
+ case FOURCC_0xa9dis: /* Disclaimer */
+ case FOURCC_0xa9enc: /* Encoded By */
+ case FOURCC_0xa9trk: /* Track */
+ case FOURCC_0xa9cmt: /* Commment */
+ case FOURCC_0xa9url: /* URL */
+ 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 */
+ break;
+
+ default:
+ break;
+ }
+ }
+ return VLC_SUCCESS;
+ }
+
+ case DEMUX_GET_TITLE_INFO:
+ case DEMUX_SET_NEXT_DEMUX_TIME:
+ case DEMUX_SET_GROUP:
return VLC_EGENERIC;
+
default:
- msg_Err( p_input, "control query unimplemented !!!" );
- return demux_vaControlDefault( p_input, i_query, args );
+ msg_Warn( p_demux, "control query unimplemented !!!" );
+ return VLC_EGENERIC;
}
}
static void Close ( vlc_object_t * p_this )
{
unsigned int i_track;
- input_thread_t * p_input = (input_thread_t *)p_this;
- demux_sys_t *p_sys = p_input->p_demux_data;
+ demux_t * p_demux = (demux_t *)p_this;
+ demux_sys_t *p_sys = p_demux->p_sys;
- msg_Dbg( p_input, "freeing all memory" );
+ msg_Dbg( p_demux, "freeing all memory" );
- MP4_BoxFree( p_input, p_sys->p_root );
+ MP4_BoxFree( p_demux->s, p_sys->p_root );
for( i_track = 0; i_track < p_sys->i_tracks; i_track++ )
{
- MP4_TrackDestroy( p_input, &p_sys->track[i_track] );
+ MP4_TrackDestroy( p_demux, &p_sys->track[i_track] );
}
FREE( p_sys->track );
****************************************************************************/
/* now create basic chunk data, the rest will be filled by MP4_CreateSamplesIndex */
-static int TrackCreateChunksIndex( input_thread_t *p_input,
- track_data_mp4_t *p_demux_track )
+static int TrackCreateChunksIndex( demux_t *p_demux,
+ mp4_track_t *p_demux_track )
{
MP4_Box_t *p_co64; /* give offset for each chunk, same for stco and co64 */
MP4_Box_t *p_stsc;
p_demux_track->i_chunk_count = p_co64->data.p_co64->i_entry_count;
if( !p_demux_track->i_chunk_count )
{
- msg_Warn( p_input, "no chunk defined" );
+ msg_Warn( p_demux, "no chunk defined" );
return( VLC_EGENERIC );
}
p_demux_track->chunk = calloc( p_demux_track->i_chunk_count,
- sizeof( chunk_data_mp4_t ) );
+ sizeof( mp4_chunk_t ) );
/* first we read chunk offset */
for( i_chunk = 0; i_chunk < p_demux_track->i_chunk_count; i_chunk++ )
{
- p_demux_track->chunk[i_chunk].i_offset =
- p_co64->data.p_co64->i_chunk_offset[i_chunk];
+ 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_first_dts = 0;
+ ck->p_sample_count_dts = NULL;
+ ck->p_sample_delta_dts = NULL;
+ ck->p_sample_count_pts = NULL;
+ ck->p_sample_offset_pts = NULL;
}
/* now we read index for SampleEntry( soun vide mp4a mp4v ...)
i_index = p_stsc->data.p_stsc->i_entry_count;
if( !i_index )
{
- msg_Warn( p_input, "cannot read chunk table or table empty" );
+ msg_Warn( p_demux, "cannot read chunk table or table empty" );
return( VLC_EGENERIC );
}
- while( i_index )
+ while( i_index-- )
{
- i_index--;
for( i_chunk = p_stsc->data.p_stsc->i_first_chunk[i_index] - 1;
- i_chunk < i_last; i_chunk++ )
+ i_chunk < i_last; i_chunk++ )
{
p_demux_track->chunk[i_chunk].i_sample_description_index =
p_stsc->data.p_stsc->i_sample_description_index[i_index];
p_demux_track->chunk[i_chunk-1].i_sample_count;
}
- msg_Dbg( p_input,
- "track[Id 0x%x] read %d chunk",
- p_demux_track->i_track_ID,
- p_demux_track->i_chunk_count );
+ msg_Dbg( p_demux, "track[Id 0x%x] read %d chunk",
+ p_demux_track->i_track_ID, p_demux_track->i_chunk_count );
- return( VLC_SUCCESS );
+ return VLC_SUCCESS;
}
-static int TrackCreateSamplesIndex( input_thread_t *p_input,
- track_data_mp4_t *p_demux_track )
+
+static int TrackCreateSamplesIndex( demux_t *p_demux,
+ mp4_track_t *p_demux_track )
{
- MP4_Box_t *p_stts; /* makes mapping between sample and decoding time,
- ctts make same mapping but for composition time,
- not yet used and probably not usefull */
- MP4_Box_t *p_stsz; /* gives sample size of each samples, there is also stz2
- that uses a compressed form FIXME make them in libmp4
- as a unique type */
+ 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_last_dts;
- p_stts = MP4_BoxGet( p_demux_track->p_stbl, "stts" );
- p_stsz = MP4_BoxGet( p_demux_track->p_stbl, "stsz" ); /* FIXME and stz2 */
-
- if( ( !p_stts )||( !p_stsz ) )
+ /* Find stsz
+ * Gives the sample size for each samples. There is also a stz2 table
+ * (compressed form) that we need to implement TODO */
+ p_box = MP4_BoxGet( p_demux_track->p_stbl, "stsz" );
+ if( !p_box )
{
- msg_Warn( p_input, "cannot read sample table" );
- return( VLC_EGENERIC );
+ /* FIXME and stz2 */
+ msg_Warn( p_demux, "cannot find STSZ box" );
+ return VLC_EGENERIC;
}
+ stsz = p_box->data.p_stsz;
- p_demux_track->i_sample_count = p_stsz->data.p_stsz->i_sample_count;
-
+ /* 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;
- /* for sample size, there are 2 case */
- if( p_stsz->data.p_stsz->i_sample_size )
+ /* 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 )
{
/* 1: all sample have the same size, so no need to construct a table */
- p_demux_track->i_sample_size = p_stsz->data.p_stsz->i_sample_size;
+ p_demux_track->i_sample_size = stsz->i_sample_size;
p_demux_track->p_sample_size = NULL;
}
else
for( i_sample = 0; i_sample < p_demux_track->i_sample_count; i_sample++ )
{
p_demux_track->p_sample_size[i_sample] =
- p_stsz->data.p_stsz->i_entry_size[i_sample];
+ stsz->i_entry_size[i_sample];
}
}
- /* we have extract all information from stsz,
- now use stts */
- /* 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 */
+ /* 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_last_dts = 0;
- i_index = 0; i_index_sample_used =0;
-
- /* create and init last data for each chunk */
- for(i_chunk = 0 ; i_chunk < p_demux_track->i_chunk_count; i_chunk++ )
+ 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 */
- p_demux_track->chunk[i_chunk].i_first_dts = i_last_dts;
- /* count how many entries needed for this chunk
- for p_sample_delta_dts and p_sample_count_dts */
+ ck->i_first_dts = i_last_dts;
- i_sample_count = p_demux_track->chunk[i_chunk].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;
i_entry = 0;
while( i_sample_count > 0 )
{
- i_sample_count -= p_stts->data.p_stts->i_sample_count[i_index+i_entry];
+ 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; /* don't count already used sample
- int this entry */
- }
+ i_sample_count += i_index_sample_used;
+
i_entry++;
}
/* allocate them */
- p_demux_track->chunk[i_chunk].p_sample_count_dts =
- calloc( i_entry, sizeof( uint32_t ) );
- p_demux_track->chunk[i_chunk].p_sample_delta_dts =
- calloc( i_entry, sizeof( uint32_t ) );
+ ck->p_sample_count_dts = calloc( i_entry, sizeof( uint32_t ) );
+ ck->p_sample_delta_dts = calloc( i_entry, sizeof( uint32_t ) );
/* now copy */
- i_sample_count = p_demux_track->chunk[i_chunk].i_sample_count;
+ i_sample_count = ck->i_sample_count;
for( i = 0; i < i_entry; i++ )
{
int64_t i_used;
int64_t i_rest;
- i_rest = p_stts->data.p_stts->i_sample_count[i_index] - i_index_sample_used;
+ i_rest = stts->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;
- p_demux_track->chunk[i_chunk].p_sample_count_dts[i] = i_used;
-
- p_demux_track->chunk[i_chunk].p_sample_delta_dts[i] =
- p_stts->data.p_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 *
- p_demux_track->chunk[i_chunk].p_sample_delta_dts[i];
+ i_last_dts += i_used * ck->p_sample_delta_dts[i];
- if( i_index_sample_used >=
- p_stts->data.p_stts->i_sample_count[i_index] )
+ if( i_index_sample_used >= stts->i_sample_count[i_index] )
{
-
i_index++;
i_index_sample_used = 0;
}
}
+ }
+
+ /* Find ctts
+ * Gives the delta between decoding time (dts) and composition table (pts)
+ */
+ p_box = MP4_BoxGet( p_demux_track->p_stbl, "ctts" );
+ if( p_box )
+ {
+ MP4_Box_data_ctts_t *ctts = p_box->data.p_ctts;
+
+ msg_Warn( p_demux, "CTTS table" );
+
+ /* 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++ )
+ {
+ mp4_chunk_t *ck = &p_demux_track->chunk[i_chunk];
+ int64_t i_entry, i_sample_count, i;
+
+ /* 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;
+
+ 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++;
+ }
+
+ /* allocate them */
+ ck->p_sample_count_pts = calloc( i_entry, sizeof( uint32_t ) );
+ ck->p_sample_offset_pts = calloc( i_entry, sizeof( int32_t ) );
+ /* 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] )
+ {
+ i_index++;
+ i_index_sample_used = 0;
+ }
+ }
+ }
}
- msg_Dbg( p_input,
- "track[Id 0x%x] read %d samples length:"I64Fd"s",
- p_demux_track->i_track_ID,
- p_demux_track->i_sample_count,
+ msg_Dbg( p_demux, "track[Id 0x%x] read %d samples length:"I64Fd"s",
+ p_demux_track->i_track_ID, p_demux_track->i_sample_count,
i_last_dts / p_demux_track->i_timescale );
- return( VLC_SUCCESS );
+ return VLC_SUCCESS;
}
/*
* TrackCreateES:
- * Create ES and PES to init decoder if needed, for a track starting at i_chunk
+ * Create ES and PES to init decoder if needed, for a track starting at i_chunk
*/
-static int TrackCreateES ( input_thread_t *p_input,
- track_data_mp4_t *p_track,
- unsigned int i_chunk,
- es_out_id_t **pp_es )
+static int TrackCreateES( demux_t *p_demux, mp4_track_t *p_track,
+ unsigned int i_chunk, es_out_id_t **pp_es )
{
MP4_Box_t *p_sample;
MP4_Box_t *p_esds;
+ MP4_Box_t *p_box;
*pp_es = NULL;
if( !p_track->chunk[i_chunk].i_sample_description_index )
{
- msg_Warn( p_input,
- "invalid SampleEntry index (track[Id 0x%x])",
+ msg_Warn( p_demux, "invalid SampleEntry index (track[Id 0x%x])",
p_track->i_track_ID );
return VLC_EGENERIC;
}
p_sample = MP4_BoxGet( p_track->p_stsd, "[%d]",
p_track->chunk[i_chunk].i_sample_description_index - 1 );
- if( !p_sample || !p_sample->data.p_data )
+ if( !p_sample ||
+ ( !p_sample->data.p_data && p_track->fmt.i_cat != SPU_ES ) )
{
- msg_Warn( p_input,
- "cannot find SampleEntry (track[Id 0x%x])",
+ msg_Warn( p_demux, "cannot find SampleEntry (track[Id 0x%x])",
p_track->i_track_ID );
- return( VLC_EGENERIC );
+ return VLC_EGENERIC;
}
p_track->p_sample = p_sample;
- if( p_track->i_sample_size == 1 )
+ if( p_track->fmt.i_cat == AUDIO_ES && p_track->i_sample_size == 1 )
{
MP4_Box_data_sample_soun_t *p_soun;
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;
default:
break;
}
case( VLC_FOURCC( 's', '2', '6', '3' ) ):
p_track->fmt.i_codec = VLC_FOURCC( 'h', '2', '6', '3' );
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' );
+ /* FIXME: Not true, could be UTF-16 with a Byte Order Mark (0xfeff) */
+ /* FIXME UTF-8 doesn't work here ? */
+ /* p_track->fmt.subs.psz_encoding = strdup( "UTF-8" ); */
+ break;
+
default:
p_track->fmt.i_codec = p_sample->i_type;
break;
case( 0x6c ): /* jpeg */
p_track->fmt.i_codec = VLC_FOURCC( 'j','p','e','g' );
break;
+
+ /* Private ID */
+ case( 0xe0 ): /* NeroDigital: dvd subs */
+ if( p_track->fmt.i_cat == SPU_ES )
+ {
+ p_track->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
+ break;
+ }
+ /* Fallback */
default:
/* Unknown entry, but don't touch i_fourcc */
- msg_Warn( p_input,
+ msg_Warn( p_demux,
"unknown objectTypeIndication(0x%x) (Track[ID 0x%x])",
p_decconfig->i_objectTypeIndication,
p_track->i_track_ID );
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' ):
p_track->fmt.i_extra =
p_sample->data.p_sample_soun->i_qt_description;
if( p_track->fmt.i_extra > 0 )
p_track->fmt.i_extra);
}
break;
+
+ /* avc1: send avcC (h264 without annexe B, ie without start code)*/
+ case VLC_FOURCC( 'a', 'v', 'c', '1' ):
+ {
+ MP4_Box_t *p_avcC = MP4_BoxGet( p_sample, "avcC" );
+
+ if( p_avcC )
+ {
+ p_track->fmt.i_extra = p_avcC->data.p_avcC->i_avcC;
+ 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.i_extra );
+ }
+ else
+ {
+ msg_Err( p_demux, "missing avcC" );
+ }
+ break;
+ }
+
default:
break;
}
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_height = p_track->i_height;
/* Find out apect ratio from display size */
- if( p_track->i_width > 0 && p_track->i_height > 0 )
+ 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;
+ /* 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 ):
break;
}
- *pp_es = es_out_Add( p_input->p_es_out, &p_track->fmt );
+ *pp_es = es_out_Add( p_demux->out, &p_track->fmt );
return VLC_SUCCESS;
}
-/* given a time it return sample/chunk */
-static int TrackTimeToSampleChunk( input_thread_t *p_input,
- track_data_mp4_t *p_track,
- uint64_t i_start,
- uint32_t *pi_chunk,
- uint32_t *pi_sample )
+/* given a time it return sample/chunk
+ * it also update elst field of the track
+ */
+static int TrackTimeToSampleChunk( demux_t *p_demux, mp4_track_t *p_track,
+ int64_t i_start, uint32_t *pi_chunk,
+ uint32_t *pi_sample )
{
- MP4_Box_t *p_stss;
+ demux_sys_t *p_sys = p_demux->p_sys;
+ MP4_Box_t *p_stss;
uint64_t i_dts;
unsigned int i_sample;
unsigned int i_chunk;
int i_index;
- /* convert absolute time to in timescale unit */
- i_start = i_start * (mtime_t)p_track->i_timescale / (mtime_t)1000000;
-
/* FIXME see if it's needed to check p_track->i_chunk_count */
if( !p_track->b_ok || p_track->i_chunk_count == 0 )
{
return( VLC_EGENERIC );
}
+ /* 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 )
+ {
+ 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;
+
+ /* now calculate i_start for this elst */
+ /* offset */
+ i_start -= p_track->i_elst_time * I64C(1000000) / p_sys->i_timescale;
+ if( i_start < 0 )
+ {
+ *pi_chunk = 0;
+ *pi_sample= 0;
+
+ return VLC_SUCCESS;
+ }
+ /* to track time scale */
+ i_start = i_start * p_track->i_timescale / (int64_t)1000000;
+ /* add elst offset */
+ if( ( elst->i_media_rate_integer[p_track->i_elst] > 0 ||
+ elst->i_media_rate_fraction[p_track->i_elst] > 0 ) &&
+ elst->i_media_time[p_track->i_elst] > 0 )
+ {
+ i_start += elst->i_media_time[p_track->i_elst];
+ }
+
+ msg_Dbg( p_demux, "elst (%d) gives "I64Fd"ms (movie)-> "I64Fd
+ "ms (track)", p_track->i_elst,
+ i_mvt * 1000 / p_sys->i_timescale,
+ i_start * 1000 / p_track->i_timescale );
+ }
+ else
+ {
+ /* convert absolute time to in timescale unit */
+ i_start = i_start * p_track->i_timescale / (int64_t)1000000;
+ }
+
/* we start from sample 0/chunk 0, hope it won't take too much time */
/* *** find good chunk *** */
for( i_chunk = 0; ; i_chunk++ )
break;
}
- if( i_start >= p_track->chunk[i_chunk].i_first_dts &&
- i_start < p_track->chunk[i_chunk + 1].i_first_dts )
+ if( (uint64_t)i_start >= p_track->chunk[i_chunk].i_first_dts &&
+ (uint64_t)i_start < p_track->chunk[i_chunk + 1].i_first_dts )
{
break;
}
{
if( i_dts +
p_track->chunk[i_chunk].p_sample_count_dts[i_index] *
- p_track->chunk[i_chunk].p_sample_delta_dts[i_index] < i_start )
+ p_track->chunk[i_chunk].p_sample_delta_dts[i_index] < (uint64_t)i_start )
{
i_dts +=
p_track->chunk[i_chunk].p_sample_count_dts[i_index] *
{
break;
}
- i_sample += ( i_start - i_dts ) / p_track->chunk[i_chunk].p_sample_delta_dts[i_index];
+ i_sample += ( i_start - i_dts ) /
+ p_track->chunk[i_chunk].p_sample_delta_dts[i_index];
break;
}
}
if( i_sample >= p_track->i_sample_count )
{
- msg_Warn( p_input,
- "track[Id 0x%x] will be disabled (seeking too far) chunk=%d sample=%d",
+ msg_Warn( p_demux, "track[Id 0x%x] will be disabled "
+ "(seeking too far) chunk=%d sample=%d",
p_track->i_track_ID, i_chunk, i_sample );
return( VLC_EGENERIC );
}
if( ( p_stss = MP4_BoxGet( p_track->p_stbl, "stss" ) ) )
{
unsigned int i_index;
- msg_Dbg( p_input,
+ 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++ )
{
if( i_index > 0 )
{
- msg_Dbg( p_input, "stts gives %d --> %d (sample number)",
+ 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];
}
else
{
- msg_Dbg( p_input, "stts gives %d --> %d (sample number)",
+ 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 )
+ p_track->chunk[i_chunk].i_sample_count )
{
i_chunk++;
}
}
else
{
- msg_Dbg( p_input,
- "track[Id 0x%x] does not provide Sync Sample Box (stss)",
- p_track->i_track_ID );
+ msg_Dbg( p_demux, "track[Id 0x%x] does not provide Sync "
+ "Sample Box (stss)", p_track->i_track_ID );
}
- if( pi_chunk ) *pi_chunk = i_chunk;
- if( pi_sample ) *pi_sample = i_sample;
- return( VLC_SUCCESS );
+ *pi_chunk = i_chunk;
+ *pi_sample = i_sample;
+
+ return VLC_SUCCESS;
}
-static int TrackGotoChunkSample( input_thread_t *p_input,
- track_data_mp4_t *p_track,
- unsigned int i_chunk,
- unsigned int i_sample )
+static int TrackGotoChunkSample( demux_t *p_demux, mp4_track_t *p_track,
+ unsigned int i_chunk, unsigned int i_sample )
{
vlc_bool_t b_reselect = VLC_FALSE;
/* now see if actual es is ok */
if( p_track->i_chunk < 0 ||
- p_track->i_chunk >= p_track->i_chunk_count ||
+ p_track->i_chunk >= p_track->i_chunk_count - 1 ||
p_track->chunk[p_track->i_chunk].i_sample_description_index !=
p_track->chunk[i_chunk].i_sample_description_index )
{
- msg_Warn( p_input, "Recreate ES" );
+ msg_Warn( p_demux, "recreate ES for track[Id 0x%x]",
+ p_track->i_track_ID );
- es_out_Control( p_input->p_es_out, ES_OUT_GET_ES_STATE, p_track->p_es, &b_reselect );
+ es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE,
+ p_track->p_es, &b_reselect );
- es_out_Del( p_input->p_es_out, p_track->p_es );
+ es_out_Del( p_demux->out, p_track->p_es );
p_track->p_es = NULL;
- if( TrackCreateES( p_input,
- p_track, i_chunk,
- &p_track->p_es ) )
+ if( TrackCreateES( p_demux, p_track, i_chunk, &p_track->p_es ) )
{
- msg_Err( p_input, "cannot create es for track[Id 0x%x]",
+ msg_Err( p_demux, "cannot create es for track[Id 0x%x]",
p_track->i_track_ID );
p_track->b_ok = VLC_FALSE;
/* select again the new decoder */
if( b_reselect )
{
- es_out_Control( p_input->p_es_out, ES_OUT_SET_ES, p_track->p_es );
+ es_out_Control( p_demux->out, ES_OUT_SET_ES, p_track->p_es );
}
p_track->i_chunk = i_chunk;
* Parse track information and create all needed data to run a track
* If it succeed b_ok is set to 1 else to 0
****************************************************************************/
-static void MP4_TrackCreate( input_thread_t *p_input,
- track_data_mp4_t *p_track,
- MP4_Box_t * p_box_trak )
+static void MP4_TrackCreate( demux_t *p_demux, mp4_track_t *p_track,
+ MP4_Box_t *p_box_trak )
{
+ demux_sys_t *p_sys = p_demux->p_sys;
+
MP4_Box_t *p_tkhd = MP4_BoxGet( p_box_trak, "tkhd" );
MP4_Box_t *p_tref = MP4_BoxGet( p_box_trak, "tref" );
MP4_Box_t *p_elst;
MP4_Box_t *p_mdhd;
+ MP4_Box_t *p_udta;
MP4_Box_t *p_hdlr;
MP4_Box_t *p_vmhd;
MP4_Box_t *p_smhd;
+ MP4_Box_t *p_drms;
+
unsigned int i;
char language[4];
- /* hint track unsuported */
+ /* hint track unsupported */
/* set default value (-> track unusable) */
p_track->b_ok = VLC_FALSE;
p_track->i_width = p_tkhd->data.p_tkhd->i_width / 65536;
p_track->i_height = p_tkhd->data.p_tkhd->i_height / 65536;
- if( ( p_elst = MP4_BoxGet( p_box_trak, "edts/elst" ) ) )
- {
-/* msg_Warn( p_input, "unhandled box: edts --> FIXME" ); */
- }
-
if( p_tref )
{
-/* msg_Warn( p_input, "unhandled box: tref --> FIXME" ); */
+/* msg_Warn( p_demux, "unhandled box: tref --> FIXME" ); */
}
p_mdhd = MP4_BoxGet( p_box_trak, "mdia/mdhd" );
p_track->fmt.i_cat = VIDEO_ES;
break;
+ case( FOURCC_text ):
+ case( FOURCC_subp ):
+ case( FOURCC_tx3g ):
+ p_track->fmt.i_cat = SPU_ES;
+ break;
+
default:
return;
}
+
+ p_track->i_elst = 0;
+ 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;
+ unsigned int i;
+
+ msg_Warn( p_demux, "elst box found" );
+ for( i = 0; i < elst->i_entry_count; i++ )
+ {
+ msg_Dbg( p_demux, " - [%d] duration="I64Fd"ms media time="I64Fd
+ "ms) rate=%d.%d", i,
+ elst->i_segment_duration[i] * 1000 / p_sys->i_timescale,
+ elst->i_media_time[i] >= 0 ?
+ (int64_t)(elst->i_media_time[i] * 1000 / p_track->i_timescale) :
+ I64C(-1),
+ elst->i_media_rate_integer[i],
+ elst->i_media_rate_fraction[i] );
+ }
+ }
+
+
/* TODO
add support for:
p_dinf = MP4_BoxGet( p_minf, "dinf" );
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( strcmp( language, "```" ) && strcmp( language, "und" ) )
{
p_track->fmt.psz_language = strdup( language );
}
+ 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 )
+ {
+ switch( p_0xa9xxx->i_type )
+ {
+ case FOURCC_0xa9nam:
+ p_track->fmt.psz_description =
+ strdup( p_0xa9xxx->data.p_0xa9xxx->psz_text );
+ break;
+ }
+ }
+ }
+
/* fxi i_timescale for AUDIO_ES with i_qt_version == 0 */
if( p_track->fmt.i_cat == AUDIO_ES ) //&& p_track->i_sample_size == 1 )
{
if( p_soun->i_qt_version == 0 &&
p_track->i_timescale != p_soun->i_sampleratehi )
{
- msg_Warn( p_input,
+ msg_Warn( p_demux,
"i_timescale ("I64Fu") != i_sampleratehi (%u) with "
"qt_version == 0\n"
"Making both equal. (report any problem)",
}
/* Create chunk index table and sample index table */
- if( TrackCreateChunksIndex( p_input,p_track ) ||
- TrackCreateSamplesIndex( p_input, p_track ) )
+ if( TrackCreateChunksIndex( p_demux,p_track ) ||
+ TrackCreateSamplesIndex( p_demux, p_track ) )
{
return; /* cannot create chunks index */
}
p_track->i_sample = 0;
/* now create es */
- if( TrackCreateES( p_input,
+ if( TrackCreateES( p_demux,
p_track, p_track->i_chunk,
&p_track->p_es ) )
{
- msg_Err( p_input, "cannot create es for track[Id 0x%x]",
+ msg_Err( p_demux, "cannot create es for track[Id 0x%x]",
p_track->i_track_ID );
return;
}
int i;
for( i = 0; i < p_track->i_chunk_count; i++ )
{
- fprintf( stderr, "%-5d sample_count=%d pts=%lld\n", i, p_track->chunk[i].i_sample_count, p_track->chunk[i].i_first_dts );
+ fprintf( stderr, "%-5d sample_count=%d pts=%lld\n",
+ i, p_track->chunk[i].i_sample_count,
+ p_track->chunk[i].i_first_dts );
}
}
****************************************************************************
* Destroy a track created by MP4_TrackCreate.
****************************************************************************/
-static void MP4_TrackDestroy( input_thread_t *p_input,
- track_data_mp4_t *p_track )
+static void MP4_TrackDestroy( demux_t *p_demux, mp4_track_t *p_track )
{
unsigned int i_chunk;
p_track->b_enable = VLC_FALSE;
p_track->b_selected = VLC_FALSE;
- es_format_Init( &p_track->fmt, UNKNOWN_ES, 0 );
+ es_format_Clean( &p_track->fmt );
for( i_chunk = 0; i_chunk < p_track->i_chunk_count; i_chunk++ )
{
{
FREE(p_track->chunk[i_chunk].p_sample_count_dts);
FREE(p_track->chunk[i_chunk].p_sample_delta_dts );
+
+ FREE(p_track->chunk[i_chunk].p_sample_count_pts);
+ FREE(p_track->chunk[i_chunk].p_sample_offset_pts );
}
}
FREE( p_track->chunk );
}
}
-static int MP4_TrackSelect ( input_thread_t *p_input,
- track_data_mp4_t *p_track,
- mtime_t i_start )
+static int MP4_TrackSelect( demux_t *p_demux, mp4_track_t *p_track,
+ mtime_t i_start )
{
- uint32_t i_chunk;
- uint32_t i_sample;
-
if( !p_track->b_ok )
{
- return( VLC_EGENERIC );
+ return VLC_EGENERIC;
}
if( p_track->b_selected )
{
- msg_Warn( p_input,
- "track[Id 0x%x] already selected",
+ msg_Warn( p_demux, "track[Id 0x%x] already selected",
p_track->i_track_ID );
- return( VLC_SUCCESS );
+ return VLC_SUCCESS;
}
- if( TrackTimeToSampleChunk( p_input,
- p_track, i_start,
- &i_chunk, &i_sample ) )
- {
- msg_Warn( p_input,
- "cannot select track[Id 0x%x]",
- p_track->i_track_ID );
- return( VLC_EGENERIC );
- }
-
- p_track->b_selected = VLC_TRUE;
-
- if( TrackGotoChunkSample( p_input, p_track, i_chunk, i_sample ) )
- {
- p_track->b_selected = VLC_FALSE;
- }
- return p_track->b_selected ? VLC_SUCCESS : VLC_EGENERIC;
+ return MP4_TrackSeek( p_demux, p_track, i_start );
}
-static void MP4_TrackUnselect(input_thread_t *p_input,
- track_data_mp4_t *p_track )
+static void MP4_TrackUnselect( demux_t *p_demux, mp4_track_t *p_track )
{
if( !p_track->b_ok )
{
if( !p_track->b_selected )
{
- msg_Warn( p_input,
- "track[Id 0x%x] already unselected",
+ msg_Warn( p_demux, "track[Id 0x%x] already unselected",
p_track->i_track_ID );
return;
}
if( p_track->p_es )
{
- es_out_Control( p_input->p_es_out, ES_OUT_SET_ES_STATE, p_track->p_es, VLC_FALSE );
+ es_out_Control( p_demux->out, ES_OUT_SET_ES_STATE,
+ p_track->p_es, VLC_FALSE );
}
p_track->b_selected = VLC_FALSE;
}
-static int MP4_TrackSeek ( input_thread_t *p_input,
- track_data_mp4_t *p_track,
- mtime_t i_start )
+static int MP4_TrackSeek( demux_t *p_demux, mp4_track_t *p_track,
+ mtime_t i_start )
{
uint32_t i_chunk;
uint32_t i_sample;
return( VLC_EGENERIC );
}
- if( TrackTimeToSampleChunk( p_input,
- p_track, i_start,
+ p_track->b_selected = VLC_FALSE;
+
+ if( TrackTimeToSampleChunk( p_demux, p_track, i_start,
&i_chunk, &i_sample ) )
{
- msg_Warn( p_input,
- "cannot select track[Id 0x%x]",
+ msg_Warn( p_demux, "cannot select track[Id 0x%x]",
p_track->i_track_ID );
return( VLC_EGENERIC );
}
p_track->b_selected = VLC_TRUE;
- TrackGotoChunkSample( p_input, p_track, i_chunk, i_sample );
+ if( TrackGotoChunkSample( p_demux, p_track, i_chunk, i_sample ) ==
+ VLC_SUCCESS )
+ {
+ p_track->b_selected = VLC_TRUE;
+
+ es_out_Control( p_demux->out, ES_OUT_SET_NEXT_DISPLAY_TIME,
+ p_track->p_es, i_start );
+ }
return( p_track->b_selected ? VLC_SUCCESS : VLC_EGENERIC );
}
-
-
-
/*
* 3 types: for audio
*
*/
-#define QT_V0_MAX_SAMPLES 1500
-static int MP4_TrackSampleSize( track_data_mp4_t *p_track )
+#define QT_V0_MAX_SAMPLES 1024
+static int MP4_TrackSampleSize( mp4_track_t *p_track )
{
int i_size;
MP4_Box_data_sample_soun_t *p_soun;
if( p_track->i_sample_size == 0 )
{
/* most simple case */
- return( p_track->p_sample_size[p_track->i_sample] );
+ return p_track->p_sample_size[p_track->i_sample];
}
if( p_track->fmt.i_cat != AUDIO_ES )
{
- return( p_track->i_sample_size );
- }
-
- if( p_track->i_sample_size != 1 )
- {
- //msg_Warn( p_input, "SampleSize != 1" );
- return( p_track->i_sample_size );
+ return p_track->i_sample_size;
}
p_soun = p_track->p_sample->data.p_sample_soun;
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;
+ i_size = p_track->chunk[p_track->i_chunk].i_sample_count /
+ p_soun->i_sample_per_packet * p_soun->i_bytes_per_frame;
+ }
+ 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;
}
else
{
- /* FIXME */
+ /* 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 );
- if( i_samples > QT_V0_MAX_SAMPLES )
- {
- i_samples = QT_V0_MAX_SAMPLES;
- }
- i_size = i_samples * p_soun->i_channelcount * p_soun->i_samplesize / 8;
+ ( p_track->i_sample -
+ p_track->chunk[p_track->i_chunk].i_sample_first );
+
+ i_samples = __MIN( QT_V0_MAX_SAMPLES, i_samples );
+ i_size = i_samples * p_track->i_sample_size;
}
//fprintf( stderr, "size=%d\n", i_size );
- return( i_size );
+ return i_size;
}
-
-static uint64_t MP4_GetTrackPos( track_data_mp4_t *p_track )
+static uint64_t MP4_TrackGetPos( mp4_track_t *p_track )
{
unsigned int i_sample;
uint64_t i_pos;
-
i_pos = p_track->chunk[p_track->i_chunk].i_offset;
if( p_track->i_sample_size )
{
- MP4_Box_data_sample_soun_t *p_soun = p_track->p_sample->data.p_sample_soun;
+ MP4_Box_data_sample_soun_t *p_soun =
+ p_track->p_sample->data.p_sample_soun;
if( p_soun->i_qt_version == 0 )
{
- i_pos += ( p_track->i_sample - p_track->chunk[p_track->i_chunk].i_sample_first ) *
- p_soun->i_channelcount * p_soun->i_samplesize / 8;
+ i_pos += ( p_track->i_sample -
+ p_track->chunk[p_track->i_chunk].i_sample_first ) *
+ p_track->i_sample_size;
}
else
{
else
{
for( i_sample = p_track->chunk[p_track->i_chunk].i_sample_first;
- i_sample < p_track->i_sample; i_sample++ )
+ i_sample < p_track->i_sample; i_sample++ )
{
i_pos += p_track->p_sample_size[i_sample];
}
-
}
- return( i_pos );
+
+ return i_pos;
}
-static int MP4_TrackNextSample( input_thread_t *p_input,
- track_data_mp4_t *p_track )
+static int MP4_TrackNextSample( demux_t *p_demux, mp4_track_t *p_track )
{
-
- if( p_track->fmt.i_cat == AUDIO_ES &&
- p_track->i_sample_size != 0 )
+ if( p_track->fmt.i_cat == AUDIO_ES && p_track->i_sample_size != 0 )
{
MP4_Box_data_sample_soun_t *p_soun;
p_track->chunk[p_track->i_chunk].i_sample_first +
p_track->chunk[p_track->i_chunk].i_sample_count;
}
+ 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) */
+ p_track->i_sample += 1;
+ }
else
{
/* FIXME */
p_track->i_sample += QT_V0_MAX_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 )
+ 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 )
{
p_track->i_sample =
p_track->chunk[p_track->i_chunk].i_sample_first +
}
if( p_track->i_sample >= p_track->i_sample_count )
- {
- /* we have reach end of the track so free decoder stuff */
- msg_Warn( p_input, "track[0x%x] will be disabled", p_track->i_track_ID );
- MP4_TrackUnselect( p_input, p_track );
- return( VLC_EGENERIC );
- }
+ return VLC_EGENERIC;
/* Have we changed chunk ? */
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 )
{
- if( TrackGotoChunkSample( p_input,
- p_track,
- p_track->i_chunk + 1,
+ if( TrackGotoChunkSample( p_demux, p_track, p_track->i_chunk + 1,
p_track->i_sample ) )
{
- msg_Warn( p_input, "track[0x%x] will be disabled (cannot restart decoder)", p_track->i_track_ID );
- MP4_TrackUnselect( p_input, p_track );
- return( VLC_EGENERIC );
+ msg_Warn( p_demux, "track[0x%x] will be disabled "
+ "(cannot restart decoder)", p_track->i_track_ID );
+ MP4_TrackUnselect( p_demux, p_track );
+ return VLC_EGENERIC;
+ }
+ }
+
+ /* Have we changed elst */
+ if( p_track->p_elst && p_track->p_elst->data.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;
+ uint64_t i_mvt = MP4_TrackGetDTS( p_demux, p_track ) *
+ p_sys->i_timescale / (int64_t)1000000;
+
+ if( (unsigned int)p_track->i_elst < elst->i_entry_count &&
+ i_mvt >= p_track->i_elst_time +
+ elst->i_segment_duration[p_track->i_elst] )
+ {
+ MP4_TrackSetELST( p_demux, p_track,
+ MP4_TrackGetDTS( p_demux, p_track ) );
}
}
- return( VLC_SUCCESS );
+ return VLC_SUCCESS;
}
+static void MP4_TrackSetELST( demux_t *p_demux, mp4_track_t *tk,
+ int64_t i_time )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ int i_elst_last = tk->i_elst;
+
+ /* 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 )
+ {
+ 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;
+
+ for( tk->i_elst = 0; (unsigned int)tk->i_elst < elst->i_entry_count; tk->i_elst++ )
+ {
+ mtime_t i_dur = elst->i_segment_duration[tk->i_elst];
+
+ if( tk->i_elst_time <= i_mvt && i_mvt < tk->i_elst_time + i_dur )
+ {
+ break;
+ }
+ tk->i_elst_time += i_dur;
+ }
+
+ if( (unsigned int)tk->i_elst >= elst->i_entry_count )
+ {
+ /* msg_Dbg( p_demux, "invalid number of entry in elst" ); */
+ tk->i_elst = elst->i_entry_count - 1;
+ tk->i_elst_time -= elst->i_segment_duration[tk->i_elst];
+ }
+ if( elst->i_media_time[tk->i_elst] < 0 )
+ {
+ /* track offset */
+ tk->i_elst_time += elst->i_segment_duration[tk->i_elst];
+ }
+ }
+ if( i_elst_last != tk->i_elst )
+ {
+ msg_Warn( p_demux, "elst old=%d new=%d", i_elst_last, tk->i_elst );
+ }
+}