/*****************************************************************************
* mp4.c : MP4 file input module for vlc
*****************************************************************************
- * Copyright (C) 2001 VideoLAN
- * $Id: mp4.c,v 1.4 2002/09/17 11:57:38 fenrir Exp $
+ * Copyright (C) 2001-2004 VideoLAN
+ * $Id$
* 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
* (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
* Preamble
*****************************************************************************/
#include <stdlib.h> /* malloc(), free() */
-#include <string.h> /* strdup() */
-#include <errno.h>
-#include <sys/types.h>
#include <vlc/vlc.h>
#include <vlc/input.h>
+#include <vlc_playlist.h>
+#include "iso_lang.h"
+#include "vlc_meta.h"
#include "libmp4.h"
#include "mp4.h"
-
-/*****************************************************************************
- * Local prototypes
- *****************************************************************************/
-static int MP4Init ( vlc_object_t * );
-static void __MP4End ( vlc_object_t * );
-static int MP4Demux ( input_thread_t * );
-
-/* New input could have something like that... */
-static int MP4Seek ( input_thread_t *, mtime_t );
-
-#define MP4End(a) __MP4End(VLC_OBJECT(a))
+#include "drms.h"
/*****************************************************************************
* Module descriptor
*****************************************************************************/
+static int Open ( vlc_object_t * );
+static void Close( vlc_object_t * );
+
vlc_module_begin();
- set_description( "MP4 demuxer" );
+ set_description( _("MP4 stream demuxer") );
set_capability( "demux", 242 );
- set_callbacks( MP4Init, __MP4End );
+ set_callbacks( Open, Close );
vlc_module_end();
/*****************************************************************************
- * Declaration of local function
+ * Local prototypes
+ *****************************************************************************/
+static int Demux ( input_thread_t * );
+static int DemuxRef( input_thread_t *p_input )
+{
+ return 0;
+}
+static int Seek ( input_thread_t *, mtime_t );
+static int Control ( input_thread_t *, int, va_list );
+
+/*****************************************************************************
+ * Declaration of local function
*****************************************************************************/
+static void MP4_TrackCreate ( input_thread_t *, mp4_track_t *, MP4_Box_t *);
+static void MP4_TrackDestroy( input_thread_t *, mp4_track_t * );
+
+static int MP4_TrackSelect ( input_thread_t *, mp4_track_t *, mtime_t );
+static void MP4_TrackUnselect(input_thread_t *, mp4_track_t * );
+
+static int MP4_TrackSeek ( input_thread_t *, mp4_track_t *, mtime_t );
+
+static uint64_t MP4_TrackGetPos ( mp4_track_t * );
+static int MP4_TrackSampleSize( mp4_track_t * );
+static int MP4_TrackNextSample( input_thread_t *, mp4_track_t * );
+static void MP4_TrackSetELST( input_thread_t *, mp4_track_t *, int64_t );
-static int MP4_TrackSynchro( input_thread_t *p_input, track_data_mp4_t *p_track );
+/* Return time in µs of a track */
+static inline int64_t MP4_TrackGetPTS( input_thread_t *p_input, mp4_track_t *p_track )
+{
+ unsigned int i_sample;
+ unsigned int i_index;
+ int64_t i_dts;
+
+ i_sample = p_track->i_sample - p_track->chunk[p_track->i_chunk].i_sample_first;
+ i_dts = p_track->chunk[p_track->i_chunk].i_first_dts;
+ i_index = 0;
+ while( i_sample > 0 )
+ {
+ if( i_sample > p_track->chunk[p_track->i_chunk].p_sample_count_dts[i_index] )
+ {
+ i_dts += p_track->chunk[p_track->i_chunk].p_sample_count_dts[i_index] *
+ p_track->chunk[p_track->i_chunk].p_sample_delta_dts[i_index];
+ i_sample -= p_track->chunk[p_track->i_chunk].p_sample_count_dts[i_index];
+ i_index++;
+ }
+ else
+ {
+ i_dts += i_sample *
+ p_track->chunk[p_track->i_chunk].p_sample_delta_dts[i_index];
+ i_sample = 0;
+ break;
+ }
+ }
-static void MP4_ParseTrack();
+ /* now handle elst */
+ if( p_track->p_elst )
+ {
+ demux_sys_t *p_sys = p_input->p_demux_data;
+ MP4_Box_data_elst_t *elst = p_track->p_elst->data.p_elst;
-static int MP4_CreateChunksIndex();
-static int MP4_CreateSamplesIndex();
+ /* 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];
+ }
-static void MP4_StartDecoder();
-static void MP4_StopDecoder();
+ /* add i_elst_time */
+ i_dts += p_track->i_elst_time * p_track->i_timescale / p_sys->i_timescale;
-static int MP4_ReadSample();
-static int MP4_DecodeSample();
+ if( i_dts < 0 ) i_dts = 0;
+ }
-#define MP4_Set4BytesLE( p, dw ) \
- *((u8*)p) = ( (dw)&0xff ); \
- *((u8*)p+1) = ( ((dw)>> 8)&0xff ); \
- *((u8*)p+2) = ( ((dw)>>16)&0xff ); \
- *((u8*)p+3) = ( ((dw)>>24)&0xff )
+ return (int64_t)1000000 * i_dts / p_track->i_timescale;
+}
+static inline int64_t MP4_GetMoviePTS(demux_sys_t *p_sys )
+{
+ return (int64_t)1000000 * p_sys->i_time / p_sys->i_timescale;
+}
-#define MP4_Set2BytesLE( p, dw ) \
- *((u8*)p) = ( (dw)&0xff ); \
- *((u8*)p+1) = ( ((dw)>> 8)&0xff )
+#define FREE( p ) if( p ) { free( p ); (p) = NULL;}
-
/*****************************************************************************
- * MP4Init: check file and initializes MP4 structures
+ * Open: check file and initializes MP4 structures
*****************************************************************************/
-static int MP4Init( vlc_object_t * p_this )
-{
- input_thread_t *p_input = (input_thread_t *)p_this;
- u8 *p_peek;
- u32 i_type;
-
- demux_sys_t *p_demux;
-
- MP4_Box_t *p_ftyp;
-
+static int Open( vlc_object_t * p_this )
+{
+ input_thread_t *p_input = (input_thread_t *)p_this;
+ demux_sys_t *p_sys;
- MP4_Box_t *p_mvhd;
- MP4_Box_t *p_trak;
+ uint8_t *p_peek;
- int i;
- /* I need to seek */
- if( !p_input->stream.b_seekable )
- {
- msg_Warn( p_input, "MP4 plugin discarded (unseekable)" );
- return( -1 );
-
- }
- /* Initialize access plug-in structures. */
- if( p_input->i_mtu == 0 )
- {
- /* Improve speed. */
- p_input->i_bufsize = INPUT_DEFAULT_BUFSIZE ;
- }
+ MP4_Box_t *p_ftyp;
+ MP4_Box_t *p_rmra;
+ MP4_Box_t *p_mvhd;
+ MP4_Box_t *p_trak;
- p_input->pf_demux = MP4Demux;
+ unsigned int i;
+ vlc_bool_t b_seekable;
/* a little test to see if it could be a mp4 */
- if( input_Peek( p_input, &p_peek, 8 ) < 8 )
+ if( stream_Peek( p_input->s, &p_peek, 8 ) < 8 )
{
msg_Warn( p_input, "MP4 plugin discarded (cannot peek)" );
- return( -1 );
- }
- i_type = ( p_peek[4] ) + ( p_peek[5] << 8 ) +
- ( p_peek[6] << 16 ) + ( p_peek[7] << 24);
- switch( i_type )
- {
- case( FOURCC_ftyp ):
- case( FOURCC_moov ):
- case( FOURCC_moof ):
- case( FOURCC_mdat ):
- case( FOURCC_udta ):
- case( FOURCC_free ):
- case( FOURCC_skip ):
- case( FOURCC_wide ):
+ 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 VLC_FOURCC( 'p', 'n', 'o', 't' ):
break;
default:
msg_Warn( p_input, "MP4 plugin discarded (not a valid file)" );
- return( -1 );
+ return VLC_EGENERIC;
}
- /* create our structure that will contains all data */
- if( !( p_input->p_demux_data =
- p_demux = malloc( sizeof( demux_sys_t ) ) ) )
+ /* I need to seek */
+ stream_Control( p_input->s, STREAM_CAN_SEEK, &b_seekable );
+ if( !b_seekable )
{
- msg_Err( p_input, "out of memory" );
- return( -1 );
+ msg_Warn( p_input, "MP4 plugin discarded (unseekable)" );
+ return VLC_EGENERIC;
}
- memset( p_demux, 0, sizeof( demux_sys_t ) );
- p_input->p_demux_data = p_demux;
-
+
+ /*Set exported functions */
+ p_input->pf_demux = Demux;
+ p_input->pf_demux_control = Control;
+
+ /* create our structure that will contains all data */
+ p_input->p_demux_data = p_sys = malloc( sizeof( demux_sys_t ) );
+ memset( p_sys, 0, sizeof( demux_sys_t ) );
/* Now load all boxes ( except raw data ) */
- if( !MP4_BoxGetRoot( p_input, &p_demux->box_root ) )
+ if( ( p_sys->p_root = MP4_BoxGetRoot( p_input ) ) == NULL )
{
msg_Warn( p_input, "MP4 plugin discarded (not a valid file)" );
- return( -1 );
+ goto error;
}
- MP4_BoxDumpStructure( p_input, &p_demux->box_root );
+ MP4_BoxDumpStructure( p_input, p_sys->p_root );
- if( ( p_ftyp = MP4_BoxGet( &p_demux->box_root, "/ftyp" ) ) )
+ if( ( p_ftyp = MP4_BoxGet( p_sys->p_root, "/ftyp" ) ) )
{
switch( p_ftyp->data.p_ftyp->i_major_brand )
{
case( FOURCC_isom ):
- msg_Info( p_input,
- "ISO Media file (isom) version %d.",
- p_ftyp->data.p_ftyp->i_minor_version );
+ msg_Dbg( p_input,
+ "ISO Media file (isom) version %d.",
+ p_ftyp->data.p_ftyp->i_minor_version );
break;
default:
- msg_Info( p_input,
- "Unrecognize major file specification (%c%c%c%c).",
- p_ftyp->data.p_ftyp->i_major_brand&0xff,
- ( p_ftyp->data.p_ftyp->i_major_brand >> 8)&0xff,
- ( p_ftyp->data.p_ftyp->i_major_brand >> 16 )&0xff,
- ( p_ftyp->data.p_ftyp->i_major_brand >> 24 )&0xff );
+ msg_Dbg( p_input,
+ "unrecognized major file specification (%4.4s).",
+ (char*)&p_ftyp->data.p_ftyp->i_major_brand );
break;
}
}
else
{
- msg_Info( p_input, "File Type box missing(assume ISO Media file)" );
+ msg_Dbg( p_input, "file type box missing (assuming ISO Media file)" );
}
/* the file need to have one moov box */
- if( MP4_BoxCount( &p_demux->box_root, "/moov" ) != 1 )
+ if( MP4_BoxCount( p_sys->p_root, "/moov" ) <= 0 )
+ {
+ MP4_Box_t *p_foov = MP4_BoxGet( p_sys->p_root, "/foov" );
+
+ if( !p_foov )
+ {
+ msg_Err( p_input, "MP4 plugin discarded (no moov box)" );
+ goto error;
+ }
+ /* we have a free box as a moov, rename it */
+ p_foov->i_type = FOURCC_moov;
+ }
+
+ if( ( p_rmra = MP4_BoxGet( p_sys->p_root, "/moov/rmra" ) ) )
{
- msg_Err( p_input,
- "MP4 plugin discarded (%d moov box)",
- MP4_BoxCount( &p_demux->box_root, "/moov" ) );
- MP4End( p_input );
- return( -1 );
+ playlist_t *p_playlist;
+ int i_count = MP4_BoxCount( p_rmra, "rmda" );
+ int i;
+
+ msg_Dbg( p_input, "detected playlist mov file (%d ref)", i_count );
+
+ p_playlist =
+ (playlist_t *)vlc_object_find( p_input,
+ VLC_OBJECT_PLAYLIST,
+ FIND_ANYWHERE );
+ if( p_playlist )
+ {
+ //p_playlist->pp_items[p_playlist->i_index]->b_autodeletion = VLC_TRUE;
+ for( i = 0; i < i_count; i++ )
+ {
+ MP4_Box_t *p_rdrf = MP4_BoxGet( p_rmra, "rmda[%d]/rdrf", i );
+ char *psz_ref;
+ uint32_t i_ref_type;
+
+ if( !p_rdrf || !( psz_ref = p_rdrf->data.p_rdrf->psz_ref ) )
+ {
+ continue;
+ }
+ i_ref_type = p_rdrf->data.p_rdrf->i_ref_type;
+
+ msg_Dbg( p_input, "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 );
+ 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, psz_ref,
+ PLAYLIST_APPEND, PLAYLIST_END );
+ }
+ else
+ {
+ /* msg dbg relative ? */
+ char *psz_absolute = alloca( strlen( p_input->psz_source ) + strlen( psz_ref ) + 1);
+ char *end = strrchr( p_input->psz_source, '/' );
+
+ if( end )
+ {
+ int i_len = end + 1 - p_input->psz_source;
+
+ strncpy( psz_absolute, p_input->psz_source, i_len);
+ psz_absolute[i_len] = '\0';
+ }
+ else
+ {
+ strcpy( psz_absolute, "" );
+ }
+ strcat( psz_absolute, psz_ref );
+ msg_Dbg( p_input, "adding ref = `%s'", psz_absolute );
+ playlist_Add( p_playlist, psz_absolute, psz_absolute,
+ PLAYLIST_APPEND, PLAYLIST_END );
+ }
+ }
+ else
+ {
+ msg_Err( p_input, "unknown ref type=%4.4s FIXME (send a bug report)",
+ (char*)&p_rdrf->data.p_rdrf->i_ref_type );
+ }
+ }
+ vlc_object_release( p_playlist );
+ }
+ else
+ {
+ msg_Err( p_input, "can't find playlist" );
+ }
}
- if( !(p_mvhd = MP4_BoxGet( &p_demux->box_root, "/moov/mvhd" ) ) )
+ if( !(p_mvhd = MP4_BoxGet( p_sys->p_root, "/moov/mvhd" ) ) )
{
- msg_Err( p_input, "cannot find /moov/mvhd !" );
- MP4End( p_input );
- return( -1 );
+ if( !p_rmra )
+ {
+ msg_Err( p_input, "cannot find /moov/mvhd" );
+ goto error;
+ }
+ else
+ {
+ msg_Warn( p_input, "cannot find /moov/mvhd (pure ref file)" );
+ p_input->pf_demux = DemuxRef;
+ return VLC_SUCCESS;
+ }
}
else
{
- p_demux->i_timescale = p_mvhd->data.p_mvhd->i_timescale;
- p_demux->i_duration = p_mvhd->data.p_mvhd->i_duration;
+ p_sys->i_timescale = p_mvhd->data.p_mvhd->i_timescale;
+ p_sys->i_duration = p_mvhd->data.p_mvhd->i_duration;
}
-
- if( !( p_demux->i_tracks =
- MP4_BoxCount( &p_demux->box_root, "/moov/trak" ) ) )
+
+ if( !( p_sys->i_tracks = MP4_BoxCount( p_sys->p_root, "/moov/trak" ) ) )
{
- msg_Err( p_input, "cannot find any /moov/trak !" );
- MP4End( p_input );
- return( -1 );
+ msg_Err( p_input, "cannot find any /moov/trak" );
+ goto error;
}
msg_Dbg( p_input, "find %d track%c",
- p_demux->i_tracks,
- p_demux->i_tracks ? 's':' ' );
+ 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_demux->track = calloc( p_demux->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 */
- for( i = 0; i < p_demux->i_tracks; i++ )
+ for( i = 0; i < p_sys->i_tracks; i++ )
{
- p_trak = MP4_BoxGet( &p_demux->box_root, "/moov/trak[%d]", i );
- MP4_ParseTrack( p_input, &p_demux->track[i], p_trak );
+ p_trak = MP4_BoxGet( p_sys->p_root, "/moov/trak[%d]", i );
+ MP4_TrackCreate( p_input, &p_sys->track[i], p_trak );
- if( p_demux->track[i].b_ok )
+ if( p_sys->track[i].b_ok )
{
char *psz_cat;
- switch( p_demux->track[i].i_cat )
+ switch( p_sys->track[i].fmt.i_cat )
{
case( VIDEO_ES ):
psz_cat = "video";
psz_cat = "unknown";
break;
}
-
- msg_Dbg( p_input, "adding track[Id 0x%x] %s (%s) language %c%c%c",
- p_demux->track[i].i_track_ID,
+
+ msg_Dbg( p_input, "adding track[Id 0x%x] %s (%s) language %s",
+ p_sys->track[i].i_track_ID,
psz_cat,
- p_demux->track[i].b_enable ? "enable":"disable",
- p_demux->track[i].i_language[0],
- p_demux->track[i].i_language[1],
- p_demux->track[i].i_language[2] );
+ 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_demux->track[i].i_track_ID );
+ msg_Dbg( p_input, "ignoring track[Id 0x%x]", p_sys->track[i].i_track_ID );
}
}
-
- /* 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" );
- MP4End( p_input );
- return( -1 );
- }
- if( input_AddProgram( p_input, 0, 0) == NULL )
- {
- vlc_mutex_unlock( &p_input->stream.stream_lock );
- msg_Err( p_input, "cannot add program" );
- MP4End( p_input );
- return( -1 );
- }
- p_input->stream.p_selected_program = p_input->stream.pp_programs[0];
- /* XXX beurk and beurk, see MP4Demux and MP4Seek */
- p_input->stream.i_mux_rate =
- p_input->stream.p_selected_area->i_size / 50 /
- ( p_demux->i_duration / p_demux->i_timescale );
- vlc_mutex_unlock( &p_input->stream.stream_lock );
-
-
- for( i = 0; i < p_demux->i_tracks; i++ )
+ return VLC_SUCCESS;
+
+error:
+ if( p_sys->p_root )
{
- /* start decoder for this track if enable by default*/
- if( p_demux->track[i].b_enable )
- {
- MP4_StartDecoder( p_input, &p_demux->track[i] );
- }
+ MP4_BoxFree( p_input, p_sys->p_root );
}
-
- vlc_mutex_lock( &p_input->stream.stream_lock );
- p_input->stream.p_selected_program->b_is_ok = 1;
- vlc_mutex_unlock( &p_input->stream.stream_lock );
-
- return( 0 );
-
+ free( p_sys );
+ return VLC_EGENERIC;
}
/*****************************************************************************
- * MP4Demux: read packet and send them to decoders
+ * Demux: read packet and send them to decoders
*****************************************************************************
* TODO check for newly selected track (ie audio upt to now )
*****************************************************************************/
-static int MP4Demux( input_thread_t *p_input )
+static int Demux( input_thread_t *p_input )
{
- demux_sys_t *p_demux = p_input->p_demux_data;
- int i_track;
-
- /* XXX beurk, beuRK and BEURK,
- but only way I've found to detect seek from interface */
- if( p_input->stream.p_selected_program->i_synchro_state == SYNCHRO_REINIT )
- {
- mtime_t i_date;
-
- /* first wait for empty buffer, arbitrary time FIXME */
- msleep( DEFAULT_PTS_DELAY );
- /* *** calculate new date *** */
-
- i_date = (mtime_t)1000000 *
- (mtime_t)p_demux->i_duration /
- (mtime_t)p_demux->i_timescale *
- (mtime_t)MP4_TellAbsolute( p_input ) /
- (mtime_t)p_input->stream.p_selected_area->i_size;
- MP4Seek( p_input, i_date );
- }
-
+ demux_sys_t *p_sys = p_input->p_demux_data;
+ 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++ )
+ {
+ mp4_track_t *tk = &p_sys->track[i_track];
+
+ if( tk->b_selected && tk->i_sample >= tk->i_sample_count )
+ {
+ msg_Warn( p_input, "track[0x%x] will be disabled", tk->i_track_ID );
+ MP4_TrackUnselect( p_input, tk);
+ }
+ else if( tk->b_ok )
+ {
+ vlc_bool_t b;
+ es_out_Control( p_input->p_es_out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
+
+ if( tk->b_selected && !b )
+ {
+ MP4_TrackUnselect( p_input, tk );
+ }
+ else if( !tk->b_selected && b)
+ {
+ MP4_TrackSelect( p_input, tk, MP4_GetMoviePTS( p_sys ) );
+ }
+
+ if( tk->b_selected )
+ {
+ i_track_selected++;
+ }
+ }
+ }
+
+ if( i_track_selected <= 0 )
+ {
+ msg_Warn( p_input, "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_demux->i_pcr );
-
+ p_sys->i_pcr );
/* update pcr XXX in mpeg scale so in 90000 unit/s */
- p_demux->i_pcr = MP4_GetMoviePTS( p_demux ) * 9 / 100;
-
+ p_sys->i_pcr = MP4_GetMoviePTS( p_sys ) * 9 / 100;
/* we will read 100ms for each stream so ...*/
- p_demux->i_time += __MAX( p_demux->i_timescale / 10 , 1 );
-
+ p_sys->i_time += __MAX( p_sys->i_timescale / 10 , 1 );
- for( i_track = 0; i_track < p_demux->i_tracks; i_track++ )
+ /* 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++ )
{
- if( ( !p_demux->track[i_track].b_ok )||
- ( !p_demux->track[i_track].p_es )||
- ( !p_demux->track[i_track].p_es->p_decoder_fifo )||
- ( MP4_GetTrackPTS( &p_demux->track[i_track] ) >=
- MP4_GetMoviePTS( p_demux ) ) )
+ mp4_track_t *tk = &p_sys->track[i_track];
+
+ if( !tk->b_ok || !tk->b_selected )
{
- continue; /* no need to read something */
+ continue;
}
- while( MP4_GetTrackPTS( &p_demux->track[i_track] ) <
- MP4_GetMoviePTS( p_demux ) )
+ while( MP4_TrackGetPTS( p_input, tk ) < MP4_GetMoviePTS( p_sys ) )
{
+#if 0
+ msg_Dbg( p_input, "tk=%lld mv=%lld",
+ MP4_TrackGetPTS( p_input, tk ),
+ MP4_GetMoviePTS( p_sys ) );
+#endif
+
+ if( MP4_TrackSampleSize( tk ) > 0 &&
+ ( b_play_audio || tk->fmt.i_cat != AUDIO_ES ) )
+ {
+ block_t *p_block;
+
+ /* go,go go ! */
+ if( stream_Seek( p_input->s, MP4_TrackGetPos( tk ) ) )
+ {
+ msg_Warn( p_input, "track[0x%x] will be disabled (eof?)", tk->i_track_ID );
+ MP4_TrackUnselect( p_input, tk );
+ break;
+ }
+
+ /* now read pes */
+ if( ( p_block = stream_Block( p_input->s,
+ MP4_TrackSampleSize( tk ) ) ) == NULL )
+ {
+ msg_Warn( p_input, "track[0x%x] will be disabled (eof?)", tk->i_track_ID );
+ MP4_TrackUnselect( p_input, tk );
+ break;
+ }
+
+ if( tk->b_drms && tk->p_drms )
+ {
+ drms_decrypt( tk->p_drms,
+ (uint32_t*)p_block->p_buffer,
+ p_block->i_buffer );
+ }
+ p_block->i_dts =
+ input_ClockGetTS( p_input,
+ p_input->stream.p_selected_program,
+ MP4_TrackGetPTS( p_input, tk ) * 9/100 );
- pes_packet_t *p_pes;
+ p_block->i_pts = tk->fmt.i_cat == VIDEO_ES ? 0 : p_block->i_dts;
+
+ if( !tk->b_drms || ( tk->b_drms && tk->p_drms ) )
+ {
+ es_out_Send( p_input->p_es_out, tk->p_es, p_block );
+ }
+ }
- /* read a sample */
- if( !MP4_ReadSample( p_input ,
- &p_demux->track[i_track],
- &p_pes ) )
+ /* Next sample */
+ if( MP4_TrackNextSample( p_input, tk ) )
{
break;
}
-
- /* send it to decoder and update time of this track
- it also launch a new decoder if needed */
- MP4_DecodeSample( p_input ,
- &p_demux->track[i_track],
- p_pes );
- }
-
- }
-
- /* now check if all tracks are finished or unhandled*/
-
- for( i_track = 0; i_track < p_demux->i_tracks; i_track++ )
- {
- if( ( p_demux->track[i_track].b_ok )&&
- ( p_demux->track[i_track].i_sample < p_demux->track[i_track].i_sample_count )&&
- ( p_demux->track[i_track].p_es )&&
- ( p_demux->track[i_track].p_es->p_decoder_fifo ) )
- {
- return( 1 );
}
}
- return( 0 ); /* EOF */
+ return 1;
}
/*****************************************************************************
- * MP4Seek: Got to i_date
+ * Seek: Got to i_date
******************************************************************************/
-static int MP4Seek ( input_thread_t *p_input, mtime_t i_date )
+static int Seek ( input_thread_t *p_input, mtime_t i_date )
{
- demux_sys_t *p_demux = p_input->p_demux_data;
- int i_track;
+ demux_sys_t *p_sys = p_input->p_demux_data;
+ unsigned int i_track;
/* First update update global time */
- p_demux->i_time = i_date * p_demux->i_timescale / 1000000;
- p_demux->i_pcr = __MAX( MP4_GetMoviePTS( p_demux ) - DEFAULT_PTS_DELAY,
- 0 ) * 9 / 100;
-
+ p_sys->i_time = i_date * p_sys->i_timescale / 1000000;
+ p_sys->i_pcr = i_date* 9 / 100;
+
/* Now for each stream try to go to this time */
- for( i_track = 0; i_track < p_demux->i_tracks; i_track++ )
+ for( i_track = 0; i_track < p_sys->i_tracks; i_track++ )
{
- MP4_TrackSynchro( p_input, &p_demux->track[i_track] );
+ mp4_track_t *tk = &p_sys->track[i_track];
+
+ if( tk->b_ok && tk->b_selected )
+ {
+ MP4_TrackSeek( p_input, tk, i_date );
+ }
}
return( 1 );
}
/*****************************************************************************
- * MP4End: frees unused data
+ * Control:
*****************************************************************************/
-static void __MP4End ( vlc_object_t * p_this )
-{
-#define FREE( p ) \
- if( p ) { free( p ); }
- int i_track;
- input_thread_t * p_input = (input_thread_t *)p_this;
- demux_sys_t *p_demux = p_input->p_demux_data;
-
- msg_Dbg( p_input, "Freeing all memory" );
- MP4_BoxFree( p_input, &p_demux->box_root );
- for( i_track = 0; i_track < p_demux->i_tracks; i_track++ )
- {
- int i_chunk;
- for( i_chunk = 0;
- i_chunk < p_demux->track[i_track].i_chunk_count; i_chunk++ )
- {
- if( p_demux->track[i_track].chunk )
+static int Control( input_thread_t *p_input, int i_query, va_list args )
+{
+ demux_sys_t *p_sys = p_input->p_demux_data;
+
+ double f, *pf;
+ int64_t i64, *pi64;
+
+ switch( i_query )
+ {
+ case DEMUX_GET_POSITION:
+ pf = (double*)va_arg( args, double * );
+ if( p_sys->i_duration > 0 )
{
- FREE(p_demux->track[i_track].chunk[i_chunk].p_sample_count_dts);
- FREE(p_demux->track[i_track].chunk[i_chunk].p_sample_delta_dts );
+ *pf = (double)p_sys->i_time / (double)p_sys->i_duration;
}
- }
+ else
+ {
+ *pf = 0.0;
+ }
+ return VLC_SUCCESS;
+
+ case DEMUX_SET_POSITION:
+ f = (double)va_arg( args, double );
+ 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_input, i64 );
+ }
+ else return VLC_SUCCESS;
+
+ case DEMUX_GET_TIME:
+ pi64 = (int64_t*)va_arg( args, int64_t * );
+ 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 );
+
+ case DEMUX_GET_LENGTH:
+ pi64 = (int64_t*)va_arg( args, int64_t * );
+ 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;
- if( !p_demux->track[i_track].i_sample_size )
+ case DEMUX_GET_FPS:
+ msg_Warn( p_input, "DEMUX_GET_FPS unimplemented !!" );
+ return VLC_EGENERIC;
+
+ case DEMUX_GET_META:
{
- FREE( p_demux->track[i_track].p_sample_size );
+ 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:
+ 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:
+ vlc_meta_Add( meta, VLC_META_DATE,
+ p_0xa9xxx->data.p_0xa9xxx->psz_text );
+ break;
+ case FOURCC_0xa9des:
+ vlc_meta_Add( meta, VLC_META_DESCRIPTION,
+ p_0xa9xxx->data.p_0xa9xxx->psz_text );
+ break;
+
+ case FOURCC_0xa9swr:
+ case FOURCC_0xa9inf:
+ case FOURCC_0xa9dir:
+ case FOURCC_0xa9cmt:
+ case FOURCC_0xa9req:
+ case FOURCC_0xa9fmt:
+ case FOURCC_0xa9prd:
+ case FOURCC_0xa9prf:
+ case FOURCC_0xa9src:
+ /* TODO one day, but they aren't really meaningfull */
+ break;
+
+ default:
+ break;
+ }
+ }
+ return VLC_SUCCESS;
}
+
+ default:
+ msg_Err( p_input, "control query unimplemented !!!" );
+ return demux_vaControlDefault( p_input, i_query, args );
+ }
+}
+
+/*****************************************************************************
+ * Close: frees unused data
+ *****************************************************************************/
+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;
+
+ msg_Dbg( p_input, "freeing all memory" );
+
+ MP4_BoxFree( p_input, 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] );
}
- FREE( p_demux->track );
-#undef FREE
+ FREE( p_sys->track );
+
+ free( p_sys );
}
+
/****************************************************************************
* Local functions, specific to vlc
****************************************************************************/
-/****************************************************************************
- * MP4_TrackSynchro : synchronize a track with movie time after seek or
- * for newly selected track
- *****************************************************************************
- * TODO add support of Edit List (edts/elts) and Shadow Sync Sample(stsh)
- ****************************************************************************/
-static int MP4_TrackSynchro( input_thread_t *p_input, track_data_mp4_t *p_track )
+/* now create basic chunk data, the rest will be filled by MP4_CreateSamplesIndex */
+static int TrackCreateChunksIndex( input_thread_t *p_input,
+ mp4_track_t *p_demux_track )
{
- demux_sys_t *p_demux = p_input->p_demux_data;
- int i_chunk_last;
- MP4_Box_t *p_stss;
+ MP4_Box_t *p_co64; /* give offset for each chunk, same for stco and co64 */
+ MP4_Box_t *p_stsc;
+
+ unsigned int i_chunk;
+ unsigned int i_index, i_last;
- if( !p_track->b_ok ||
- !p_track->p_es ||
- !p_track->p_es->p_decoder_fifo )
+ if( ( !(p_co64 = MP4_BoxGet( p_demux_track->p_stbl, "stco" ) )&&
+ !(p_co64 = MP4_BoxGet( p_demux_track->p_stbl, "co64" ) ) )||
+ ( !(p_stsc = MP4_BoxGet( p_demux_track->p_stbl, "stsc" ) ) ))
{
- return( 0 );
+ return( VLC_EGENERIC );
}
- p_track->i_sample = 0;
- i_chunk_last = p_track->i_chunk;
- p_track->i_chunk = 0;
- for( ;; )
+
+ p_demux_track->i_chunk_count = p_co64->data.p_co64->i_entry_count;
+ if( !p_demux_track->i_chunk_count )
{
- if( p_track->i_sample >= p_track->i_sample_count )
- {
- msg_Warn( p_input,
- "track[Id 0x%x] will be disabled (seeking too far)",
- p_track->i_track_ID );
- MP4_StopDecoder( p_input, p_track );
- break;
- }
- if( MP4_GetTrackPTS( p_track ) >= MP4_GetMoviePTS( p_demux ) )
- {
- break;
- }
- /* go one sample after */
- p_track->i_sample++;
- 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_chunk++;
- }
-
+ msg_Warn( p_input, "no chunk defined" );
+ return( VLC_EGENERIC );
}
- if( p_track->i_sample >= p_track->i_sample_count )
+ p_demux_track->chunk = calloc( p_demux_track->i_chunk_count,
+ sizeof( mp4_chunk_t ) );
+
+ /* first we read chunk offset */
+ for( i_chunk = 0; i_chunk < p_demux_track->i_chunk_count; i_chunk++ )
{
- return( 0 );
+ p_demux_track->chunk[i_chunk].i_offset =
+ p_co64->data.p_co64->i_chunk_offset[i_chunk];
}
- /* *** Try to find nearest sync points *** */
- if( ( p_stss = MP4_BoxGet( p_track->p_stbl, "stss" ) ) )
- {
- int i_index;
- msg_Dbg( p_input,
- "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( p_stss->data.p_stss->i_sample_number[i_index] >= p_track->i_sample )
- {
- if( i_index > 0 )
- {
- msg_Dbg( p_input, "stts gives %d --> %d (sample number)",
- p_track->i_sample,
- p_stss->data.p_stss->i_sample_number[i_index-1] );
- p_track->i_sample = p_stss->data.p_stss->i_sample_number[i_index-1];
- /* new track.i_sample is less than old so i_chunk can only decreased */
- while( p_track->i_chunk > 0 &&
- p_track->i_sample < p_track->chunk[p_track->i_chunk].i_sample_first )
- {
- p_track->i_chunk--;
- }
- }
- else
- {
- msg_Dbg( p_input, "stts gives %d --> %d (sample number)",
- p_track->i_sample,
- p_stss->data.p_stss->i_sample_number[i_index-1] );
- p_track->i_sample = p_stss->data.p_stss->i_sample_number[i_index];
- /* new track.i_sample is more than old so i_chunk can only increased */
- while( p_track->i_chunk < p_track->i_chunk_count - 1 &&
- 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_chunk++;
- }
- }
- break;
- }
- }
- }
- else
- {
- msg_Dbg( p_input,
- "track[Id 0x%x] doesn't provided Sync Sample Box (stss)",
- p_track->i_track_ID );
- }
-
- /* *** If i_sample_description_index has changed restart decoder *** */
- if( p_track->chunk[i_chunk_last].i_sample_description_index !=
- p_track->chunk[p_track->i_chunk].i_sample_description_index )
- {
- msg_Warn( p_input,
- "SampleEntry has changed, restarting decoder" );
- MP4_StopDecoder( p_input, p_track );
- MP4_StartDecoder( p_input, p_track );
- }
- return( 1 );
-}
-
-/****************************************************************************
- * 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_ParseTrack( input_thread_t *p_input,
- track_data_mp4_t *p_demux_track,
- MP4_Box_t * p_trak )
-{
- int i;
-
- MP4_Box_t *p_tkhd = MP4_BoxGet( p_trak, "tkhd" );
- MP4_Box_t *p_tref = MP4_BoxGet( p_trak, "tref" );
- MP4_Box_t *p_elst;
-
- MP4_Box_t *p_mdhd;
- MP4_Box_t *p_hdlr;
-
- MP4_Box_t *p_vmhd;
- MP4_Box_t *p_smhd;
-
- /* hint track unsuported */
-
- /* by default, track isn't usable */
- p_demux_track->b_ok = 0;
-
- /* by default, we don't known the categorie */
- p_demux_track->i_cat = UNKNOWN_ES;
-
- if( !p_tkhd )
- {
- return;
- }
-
- /* do we launch this track by default ? */
- p_demux_track->b_enable =
- ( ( p_tkhd->data.p_tkhd->i_flags&MP4_TRACK_ENABLED ) != 0 );
-
- p_demux_track->i_track_ID = p_tkhd->data.p_tkhd->i_track_ID;
- p_demux_track->i_width = p_tkhd->data.p_tkhd->i_width / 65536;
- p_demux_track->i_height = p_tkhd->data.p_tkhd->i_height / 65536;
-
- if( ( p_elst = MP4_BoxGet( p_trak, "edts/elst" ) ) )
- {
-/* msg_Warn( p_input, "Unhandled box: edts --> FIXME" ); */
- }
-
- if( p_tref )
- {
-/* msg_Warn( p_input, "Unhandled box: tref --> FIXME" ); */
- }
-
- p_mdhd = MP4_BoxGet( p_trak, "mdia/mdhd" );
- p_hdlr = MP4_BoxGet( p_trak, "mdia/hdlr" );
-
- if( ( !p_mdhd )||( !p_hdlr ) )
- {
- return;
- }
-
- p_demux_track->i_timescale = p_mdhd->data.p_mdhd->i_timescale;
-
- for( i = 0; i < 3; i++ )
- {
- p_demux_track->i_language[i] = p_mdhd->data.p_mdhd->i_language[i];
- }
- p_mdhd->data.p_mdhd->i_language[3] = 0;
-
- switch( p_hdlr->data.p_hdlr->i_handler_type )
- {
- case( FOURCC_soun ):
- if( !( p_smhd = MP4_BoxGet( p_trak, "mdia/minf/smhd" ) ) )
- {
- return;
- }
- p_demux_track->i_cat = AUDIO_ES;
- break;
-
- case( FOURCC_vide ):
- if( !( p_vmhd = MP4_BoxGet( p_trak, "mdia/minf/vmhd" ) ) )
- {
- return;
- }
- p_demux_track->i_cat = VIDEO_ES;
- break;
-
- default:
- return;
- }
-/* TODO
- add support for:
- p_dinf = MP4_BoxGet( p_minf, "dinf" );
-*/
- if( !( p_demux_track->p_stbl = MP4_BoxGet( p_trak,"mdia/minf/stbl" ) ) )
- {
- return;
- }
-
- if( !( p_demux_track->p_stsd = MP4_BoxGet( p_trak,"mdia/minf/stbl/stsd") ) )
- {
- return;
- }
-
- /* Create chunk index table */
- if( !MP4_CreateChunksIndex( p_input,p_demux_track ) )
- {
- return; /* cannot create chunks index */
- }
-
- /* create sample index table needed for reading and seeking */
- if( !MP4_CreateSamplesIndex( p_input, p_demux_track ) )
- {
- return; /* cannot create samples index */
- }
-
- p_demux_track->b_ok = 1;
-}
-
-
-
-/* now create basic chunk data, the rest will be filled by MP4_CreateSamplesIndex */
-static int MP4_CreateChunksIndex( input_thread_t *p_input,
- track_data_mp4_t *p_demux_track )
-{
- MP4_Box_t *p_co64; /* give offset for each chunk, same for stco and co64 */
- MP4_Box_t *p_stsc;
-
- int i_chunk;
- int i_index, i_last;
-
-
- if( ( !(p_co64 = MP4_BoxGet( p_demux_track->p_stbl, "stco" ) )&&
- !(p_co64 = MP4_BoxGet( p_demux_track->p_stbl, "co64" ) ) )||
- ( !(p_stsc = MP4_BoxGet( p_demux_track->p_stbl, "stsc" ) ) ))
- {
- return( 0 );
- }
-
- 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" );
- return( 0 );
- }
- p_demux_track->chunk = calloc( p_demux_track->i_chunk_count,
- sizeof( chunk_data_mp4_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];
- }
-
- /* now we read index for SampleEntry( soun vide mp4a mp4v ...)
- to be used for the sample XXX begin to 1
+ /* now we read index for SampleEntry( soun vide mp4a mp4v ...)
+ to be used for the sample XXX begin to 1
We construct it begining at the end */
i_last = p_demux_track->i_chunk_count; /* last chunk proceded */
i_index = p_stsc->data.p_stsc->i_entry_count;
if( !i_index )
{
msg_Warn( p_input, "cannot read chunk table or table empty" );
- return( 0 );
+ return( VLC_EGENERIC );
}
while( i_index )
for( i_chunk = p_stsc->data.p_stsc->i_first_chunk[i_index] - 1;
i_chunk < i_last; i_chunk++ )
{
- p_demux_track->chunk[i_chunk].i_sample_description_index =
+ 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].i_sample_count =
p_stsc->data.p_stsc->i_samples_per_chunk[i_index];
i_last = p_stsc->data.p_stsc->i_first_chunk[i_index] - 1;
}
- p_demux_track->chunk[i_chunk].i_sample_first = 0;
+ p_demux_track->chunk[0].i_sample_first = 0;
for( i_chunk = 1; i_chunk < p_demux_track->i_chunk_count; i_chunk++ )
{
p_demux_track->chunk[i_chunk].i_sample_first =
- p_demux_track->chunk[i_chunk-1].i_sample_first +
+ p_demux_track->chunk[i_chunk-1].i_sample_first +
p_demux_track->chunk[i_chunk-1].i_sample_count;
-
}
-
- msg_Dbg( p_input,
+
+ msg_Dbg( p_input,
"track[Id 0x%x] read %d chunk",
p_demux_track->i_track_ID,
- p_demux_track->i_chunk_count );
- return( 1 );
+ p_demux_track->i_chunk_count );
+ return( VLC_SUCCESS );
}
-
-
-
-static int MP4_CreateSamplesIndex( input_thread_t *p_input,
- track_data_mp4_t *p_demux_track )
+static int TrackCreateSamplesIndex( input_thread_t *p_input,
+ 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,
+ 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
+ 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 */
/* TODO use also stss and stsh table for seeking */
/* FIXME use edit table */
- int i_sample;
- int i_chunk;
+ int64_t i_sample;
+ int64_t i_chunk;
- int i_index;
- int i_index_sample_used;
+ int64_t i_index;
+ int64_t i_index_sample_used;
+
+ int64_t i_last_dts;
- u64 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 ) )
{
msg_Warn( p_input, "cannot read sample table" );
- return( 0 );
+ return( VLC_EGENERIC );
}
-
+
p_demux_track->i_sample_count = p_stsz->data.p_stsz->i_sample_count;
{
/* 2: each sample can have a different size */
p_demux_track->i_sample_size = 0;
- p_demux_track->p_sample_size =
- calloc( p_demux_track->i_sample_count, sizeof( u32 ) );
-
+ p_demux_track->p_sample_size =
+ calloc( p_demux_track->i_sample_count, sizeof( uint32_t ) );
+
for( i_sample = 0; i_sample < p_demux_track->i_sample_count; i_sample++ )
{
- p_demux_track->p_sample_size[i_sample] =
+ p_demux_track->p_sample_size[i_sample] =
p_stsz->data.p_stsz->i_entry_size[i_sample];
}
}
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
+ the box !, so each chunk will contain an "extract" of this table
for fast research */
-
+
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++ )
{
- int i_entry, i_sample_count, i;
+ 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
+ /* count how many entries needed for this chunk
for p_sample_delta_dts and p_sample_count_dts */
- i_entry = 0;
i_sample_count = p_demux_track->chunk[i_chunk].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];
if( i_entry == 0 )
{
- i_sample_count += i_index_sample_used; /* don't count already used sample
+ i_sample_count += i_index_sample_used; /* don't count already used sample
int this entry */
}
i_entry++;
}
+
/* allocate them */
- p_demux_track->chunk[i_chunk].p_sample_count_dts =
- calloc( i_entry, sizeof( u32 ) );
+ 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( u32 ) );
+ calloc( i_entry, sizeof( uint32_t ) );
/* now copy */
i_sample_count = p_demux_track->chunk[i_chunk].i_sample_count;
for( i = 0; i < i_entry; i++ )
{
- int i_used;
- int i_rest;
-
+ 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_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];
-
- i_last_dts += i_used *
+
+ i_last_dts += i_used *
p_demux_track->chunk[i_chunk].p_sample_delta_dts[i];
if( i_index_sample_used >=
p_stts->data.p_stts->i_sample_count[i_index] )
{
+
i_index++;
i_index_sample_used = 0;
}
}
-
+
}
- msg_Dbg( p_input,
- "track[Id 0x%x] read %d samples",
+ 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 );
+ p_demux_track->i_sample_count,
+ i_last_dts / p_demux_track->i_timescale );
- return( 1 );
+ return( VLC_SUCCESS );
}
-static void MP4_StartDecoder( input_thread_t *p_input,
- track_data_mp4_t *p_demux_track )
+/*
+ * TrackCreateES:
+ * Create ES and PES to init decoder if needed, for a track starting at i_chunk
+ */
+static int TrackCreateES ( input_thread_t *p_input,
+ mp4_track_t *p_track,
+ unsigned int i_chunk,
+ es_out_id_t **pp_es )
{
- MP4_Box_t *p_sample;
- int i;
- int i_chunk;
+ MP4_Box_t *p_sample;
+ MP4_Box_t *p_esds;
- int i_decoder_specific_info_len;
- u8 *p_decoder_specific_info;
-
- u8 *p_init;
-
- MP4_Box_t *p_esds;
+ *pp_es = NULL;
-
- if( (!p_demux_track->b_ok )||( p_demux_track->i_cat == UNKNOWN_ES ) )
+ if( !p_track->chunk[i_chunk].i_sample_description_index )
{
- return;
+ msg_Warn( p_input,
+ "invalid SampleEntry index (track[Id 0x%x])",
+ p_track->i_track_ID );
+ return VLC_EGENERIC;
}
-
- msg_Dbg( p_input, "Starting decoder for track[Id 0x%x]",
- p_demux_track->i_track_ID );
- /* launch decoder according in chunk we are */
- i_chunk = p_demux_track->i_chunk;
+ p_sample = MP4_BoxGet( p_track->p_stsd, "[%d]",
+ p_track->chunk[i_chunk].i_sample_description_index - 1 );
- if( !p_demux_track->chunk[i_chunk].i_sample_description_index )
+ if( !p_sample || !p_sample->data.p_data )
{
- msg_Warn( p_input,
- "invalid SampleEntry index (track[Id 0x%x])",
- p_demux_track->i_track_ID );
- return;
- }
- p_sample = MP4_BoxGet( p_demux_track->p_stsd,
- "[%d]",
- p_demux_track->chunk[i_chunk].i_sample_description_index - 1 );
-
- if( ( !p_sample )||( !p_sample->data.p_data ) )
- {
- msg_Warn( p_input,
+ msg_Warn( p_input,
"cannot find SampleEntry (track[Id 0x%x])",
- p_demux_track->i_track_ID );
- return;
+ p_track->i_track_ID );
+ return( VLC_EGENERIC );
}
- vlc_mutex_lock( &p_input->stream.stream_lock );
- p_demux_track->p_es = input_AddES( p_input,
- p_input->stream.p_selected_program,
- p_demux_track->i_track_ID,
- 0 );
- vlc_mutex_unlock( &p_input->stream.stream_lock );
- /* Initialise ES, first language as description */
- for( i = 0; i < 3; i++ )
+ p_track->p_sample = p_sample;
+
+ if( p_track->i_sample_size == 1 )
{
- p_demux_track->p_es->psz_desc[i] = p_demux_track->i_language[i];
+ 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;
+ default:
+ break;
+ }
+
+ }
+ else if( p_soun->i_qt_version == 1 && p_soun->i_sample_per_packet <= 0 )
+ {
+ p_soun->i_qt_version = 0;
+ }
}
- p_demux_track->p_es->psz_desc[3] = '\0';
-
- p_demux_track->p_es->i_stream_id = p_demux_track->i_track_ID;
+
/* 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_demux_track->p_es->i_fourcc = VLC_FOURCC( 'm', 'p', 'g', 'a' );
+ p_track->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
+ break;
+ case( VLC_FOURCC( 'r', 'a', 'w', ' ' ) ):
+ p_track->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
+ break;
+ case( VLC_FOURCC( 's', '2', '6', '3' ) ):
+ p_track->fmt.i_codec = VLC_FOURCC( 'h', '2', '6', '3' );
break;
default:
- p_demux_track->p_es->i_fourcc = p_sample->i_type;
+ p_track->fmt.i_codec = p_sample->i_type;
break;
}
-
- p_demux_track->p_es->i_cat = p_demux_track->i_cat;
-
- i_decoder_specific_info_len = 0;
- p_decoder_specific_info = NULL;
- /* now see if esds is present and if so create a data packet
+ /* now see if esds is present and if so create a data packet
with decoder_specific_info */
#define p_decconfig p_esds->data.p_esds->es_descriptor.p_decConfigDescr
- if( ( p_esds = MP4_BoxGet( p_sample, "esds" ) )&&
+ if( ( ( p_esds = MP4_BoxGet( p_sample, "esds" ) ) ||
+ ( p_esds = MP4_BoxGet( p_sample, "wave/esds" ) ) )&&
( p_esds->data.p_esds )&&
( p_decconfig ) )
{
switch( p_decconfig->i_objectTypeIndication )
{
case( 0x20 ): /* MPEG4 VIDEO */
- p_demux_track->p_es->i_fourcc = VLC_FOURCC( 'm','p','4','v' );
+ p_track->fmt.i_codec = VLC_FOURCC( 'm','p','4','v' );
break;
case( 0x40):
- p_demux_track->p_es->i_fourcc = VLC_FOURCC( 'm','p','4','a' );
+ p_track->fmt.i_codec = VLC_FOURCC( 'm','p','4','a' );
break;
case( 0x60):
case( 0x61):
case( 0x63):
case( 0x64):
case( 0x65): /* MPEG2 video */
- p_demux_track->p_es->i_fourcc = VLC_FOURCC( 'm','p','g','v' );
+ p_track->fmt.i_codec = VLC_FOURCC( 'm','p','g','v' );
break;
/* Theses are MPEG2-AAC */
case( 0x66): /* main profile */
case( 0x67): /* Low complexity profile */
case( 0x68): /* Scaleable Sampling rate profile */
- p_demux_track->p_es->i_fourcc = VLC_FOURCC( 'm','p','4','a' );
+ p_track->fmt.i_codec = VLC_FOURCC( 'm','p','4','a' );
break;
/* true MPEG 2 audio */
- case( 0x69):
- p_demux_track->p_es->i_fourcc = VLC_FOURCC( 'm','p','g','a' );
+ case( 0x69):
+ p_track->fmt.i_codec = VLC_FOURCC( 'm','p','g','a' );
break;
case( 0x6a): /* MPEG1 video */
- p_demux_track->p_es->i_fourcc = VLC_FOURCC( 'm','p','g','v' );
+ p_track->fmt.i_codec = VLC_FOURCC( 'm','p','g','v' );
break;
case( 0x6b): /* MPEG1 audio */
- p_demux_track->p_es->i_fourcc = VLC_FOURCC( 'm','p','g','a' );
+ p_track->fmt.i_codec = VLC_FOURCC( 'm','p','g','a' );
break;
case( 0x6c ): /* jpeg */
- p_demux_track->p_es->i_fourcc = VLC_FOURCC( 'j','p','e','g' );
+ p_track->fmt.i_codec = VLC_FOURCC( 'j','p','e','g' );
break;
default:
/* Unknown entry, but don't touch i_fourcc */
- msg_Warn( p_input,
- "objectTypeIndication(0x%x) unknow (Track[ID 0x%x])",
+ msg_Warn( p_input,
+ "unknown objectTypeIndication(0x%x) (Track[ID 0x%x])",
p_decconfig->i_objectTypeIndication,
- p_demux_track->i_track_ID );
+ p_track->i_track_ID );
+ break;
+ }
+ p_track->fmt.i_extra = p_decconfig->i_decoder_specific_info_len;
+ if( p_track->fmt.i_extra > 0 )
+ {
+ p_track->fmt.p_extra = malloc( p_track->fmt.i_extra );
+ memcpy( p_track->fmt.p_extra, p_decconfig->p_decoder_specific_info,
+ p_track->fmt.i_extra );
+ }
+ }
+ else
+ {
+ switch( p_sample->i_type )
+ {
+ /* qt decoder, send the complete chunk */
+ case VLC_FOURCC( 'S', 'V', 'Q', '3' ):
+ case VLC_FOURCC( 'S', 'V', 'Q', '1' ):
+ case VLC_FOURCC( 'V', 'P', '3', '1' ):
+ case VLC_FOURCC( '3', 'I', 'V', '1' ):
+ case VLC_FOURCC( 'Z', 'y', 'G', 'o' ):
+ p_track->fmt.i_extra =
+ p_sample->data.p_sample_vide->i_qt_image_description;
+ if( p_track->fmt.i_extra > 0 )
+ {
+ p_track->fmt.p_extra = malloc( p_track->fmt.i_extra );
+ memcpy( p_track->fmt.p_extra,
+ p_sample->data.p_sample_vide->p_qt_image_description,
+ p_track->fmt.i_extra);
+ }
+ 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' ):
+ p_track->fmt.i_extra =
+ p_sample->data.p_sample_soun->i_qt_description;
+ if( p_track->fmt.i_extra > 0 )
+ {
+ p_track->fmt.p_extra = malloc( p_track->fmt.i_extra );
+ memcpy( p_track->fmt.p_extra,
+ p_sample->data.p_sample_soun->p_qt_description,
+ p_track->fmt.i_extra);
+ }
+ break;
+ default:
break;
}
- i_decoder_specific_info_len =
- p_decconfig->i_decoder_specific_info_len;
- p_decoder_specific_info =
- p_decconfig->p_decoder_specific_info;
}
#undef p_decconfig
/* some last initialisation */
- /* XXX I create a bitmapinfoheader_t or
- waveformatex_t for each stream, up to now it's the best thing
- I've found but it could exist a better solution :) as something
- like adding some new fields in p_es ...
-
- XXX I don't set all values, only thoses that are interesting or known
- --> bitmapinfoheader_t : width and height
- --> waveformatex_t : channels, samplerate, bitspersample
- and at the end I add p_decoder_specific_info
-
- TODO set more values
-
- */
-
- switch( p_demux_track->i_cat )
- {
- case( VIDEO_ES ):
- /* now create a bitmapinfoheader_t for decoder and
- add information found in p_esds */
- p_init = malloc( 40 + i_decoder_specific_info_len);
- memset( p_init, 0, 40 + i_decoder_specific_info_len);
- MP4_Set4BytesLE( p_init, 40 + i_decoder_specific_info_len );
- if( p_sample->data.p_sample_vide->i_width )
- {
- MP4_Set4BytesLE( p_init + 4,
- p_sample->data.p_sample_vide->i_width );
- }
- else
- {
- /* use display size */
- MP4_Set4BytesLE( p_init + 4, p_demux_track->i_width );
- }
- if( p_sample->data.p_sample_vide->i_height )
+ 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;
+
+ /* 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 )
+ p_track->fmt.video.i_aspect =
+ VOUT_ASPECT_FACTOR * p_track->i_width / p_track->i_height;
+
+ 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;
+ break;
+
+ default:
+ break;
+ }
+
+ *pp_es = es_out_Add( p_input->p_es_out, &p_track->fmt );
+
+ return VLC_SUCCESS;
+}
+
+/* given a time it return sample/chunk
+ * it also update elst field of the track
+ */
+static int TrackTimeToSampleChunk( input_thread_t *p_input,
+ mp4_track_t *p_track,
+ int64_t i_start,
+ uint32_t *pi_chunk,
+ uint32_t *pi_sample )
+{
+ demux_sys_t *p_sys = p_input->p_demux_data;
+ MP4_Box_t *p_stss;
+ uint64_t i_dts;
+ unsigned int i_sample;
+ unsigned int i_chunk;
+ int i_index;
+
+ /* 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_input, 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 * (int64_t)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_input, "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++ )
+ {
+ if( i_chunk + 1 >= p_track->i_chunk_count )
+ {
+ /* at the end and can't check if i_start in this chunk,
+ it will be check while searching i_sample */
+ i_chunk = p_track->i_chunk_count - 1;
+ break;
+ }
+
+ if( i_start >= p_track->chunk[i_chunk].i_first_dts &&
+ i_start < p_track->chunk[i_chunk + 1].i_first_dts )
+ {
+ break;
+ }
+ }
+
+ /* *** find sample in the chunk *** */
+ i_sample = p_track->chunk[i_chunk].i_sample_first;
+ i_dts = p_track->chunk[i_chunk].i_first_dts;
+ for( i_index = 0; i_sample < p_track->chunk[i_chunk].i_sample_count; )
+ {
+ 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 )
+ {
+ 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_sample += p_track->chunk[i_chunk].p_sample_count_dts[i_index];
+ i_index++;
+ }
+ else
+ {
+ if( p_track->chunk[i_chunk].p_sample_delta_dts[i_index] <= 0 )
{
- MP4_Set4BytesLE( p_init + 8,
- p_sample->data.p_sample_vide->i_height );
+ break;
}
- else
+ 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",
+ p_track->i_track_ID, i_chunk, i_sample );
+ return( VLC_EGENERIC );
+ }
+
+
+ /* *** Try to find nearest sync points *** */
+ if( ( p_stss = MP4_BoxGet( p_track->p_stbl, "stss" ) ) )
+ {
+ unsigned int i_index;
+ msg_Dbg( p_input,
+ "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( p_stss->data.p_stss->i_sample_number[i_index] >= i_sample )
{
- MP4_Set4BytesLE( p_init + 8, p_demux_track->i_height );
+ if( i_index > 0 )
+ {
+ msg_Dbg( p_input, "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_chunk--;
+ }
+ }
+ else
+ {
+ msg_Dbg( p_input, "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_chunk++;
+ }
+ }
+ break;
}
- if( i_decoder_specific_info_len )
+ }
+ }
+ else
+ {
+ msg_Dbg( p_input,
+ "track[Id 0x%x] does not provide Sync Sample Box (stss)",
+ p_track->i_track_ID );
+ }
+
+ *pi_chunk = i_chunk;
+ *pi_sample = i_sample;
+
+ return VLC_SUCCESS;
+}
+
+static int TrackGotoChunkSample( input_thread_t *p_input,
+ 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->chunk[p_track->i_chunk].i_sample_description_index !=
+ p_track->chunk[i_chunk].i_sample_description_index )
+ {
+ msg_Warn( p_input, "recreate ES" );
+
+ es_out_Control( p_input->p_es_out, ES_OUT_GET_ES_STATE, p_track->p_es, &b_reselect );
+
+ es_out_Del( p_input->p_es_out, p_track->p_es );
+
+ p_track->p_es = NULL;
+
+ if( TrackCreateES( p_input,
+ p_track, i_chunk,
+ &p_track->p_es ) )
+ {
+ msg_Err( p_input, "cannot create es for track[Id 0x%x]",
+ p_track->i_track_ID );
+
+ p_track->b_ok = VLC_FALSE;
+ p_track->b_selected = VLC_FALSE;
+ return VLC_EGENERIC;
+ }
+ }
+
+ /* select again the new decoder */
+ if( b_reselect )
+ {
+ es_out_Control( p_input->p_es_out, ES_OUT_SET_ES, p_track->p_es );
+ }
+
+ p_track->i_chunk = i_chunk;
+ p_track->i_sample = i_sample;
+
+ return p_track->b_selected ? VLC_SUCCESS : VLC_EGENERIC;
+}
+
+/****************************************************************************
+ * MP4_TrackCreate:
+ ****************************************************************************
+ * 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,
+ mp4_track_t *p_track,
+ MP4_Box_t * p_box_trak )
+{
+ demux_sys_t *p_sys = p_input->p_demux_data;
+
+ 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_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 */
+
+ /* set default value (-> track unusable) */
+ p_track->b_ok = VLC_FALSE;
+ p_track->b_enable = VLC_FALSE;
+ p_track->b_selected = VLC_FALSE;
+
+ es_format_Init( &p_track->fmt, UNKNOWN_ES, 0 );
+
+ if( !p_tkhd )
+ {
+ return;
+ }
+
+ /* do we launch this track by default ? */
+ p_track->b_enable =
+ ( ( p_tkhd->data.p_tkhd->i_flags&MP4_TRACK_ENABLED ) != 0 );
+
+ 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;
+
+ if( p_tref )
+ {
+/* msg_Warn( p_input, "unhandled box: tref --> FIXME" ); */
+ }
+
+ p_mdhd = MP4_BoxGet( p_box_trak, "mdia/mdhd" );
+ p_hdlr = MP4_BoxGet( p_box_trak, "mdia/hdlr" );
+
+ if( ( !p_mdhd )||( !p_hdlr ) )
+ {
+ return;
+ }
+
+ p_track->i_timescale = p_mdhd->data.p_mdhd->i_timescale;
+
+ for( 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 ):
+ if( !( p_smhd = MP4_BoxGet( p_box_trak, "mdia/minf/smhd" ) ) )
{
- memcpy( p_init + 40,
- p_decoder_specific_info,
- i_decoder_specific_info_len);
+ return;
}
+ p_track->fmt.i_cat = AUDIO_ES;
break;
- case( AUDIO_ES ):
- p_init = malloc( 18 + i_decoder_specific_info_len);
- memset( p_init, 0, 18 + i_decoder_specific_info_len);
- MP4_Set2BytesLE( p_init + 2, /* i_channel */
- p_sample->data.p_sample_soun->i_channelcount );
- MP4_Set4BytesLE( p_init + 4, /* samplepersec */
- p_sample->data.p_sample_soun->i_sampleratehi );
- MP4_Set4BytesLE( p_init + 8, /* avgbytespersec */
- p_sample->data.p_sample_soun->i_channelcount *
- p_sample->data.p_sample_soun->i_sampleratehi *
- (p_sample->data.p_sample_soun->i_samplesize/8) );
- MP4_Set2BytesLE( p_init + 14, /* bits/sample */
- p_sample->data.p_sample_soun->i_samplesize );
-
- MP4_Set2BytesLE( p_init + 16, /* i_size, specific info len*/
- i_decoder_specific_info_len );
- if( i_decoder_specific_info_len )
+ case( FOURCC_vide ):
+ if( !( p_vmhd = MP4_BoxGet( p_box_trak, "mdia/minf/vmhd" ) ) )
{
- memcpy( p_init + 18,
- p_decoder_specific_info,
- i_decoder_specific_info_len);
+ return;
}
+ p_track->fmt.i_cat = VIDEO_ES;
break;
default:
- p_init = NULL;
- break;
+ return;
}
- p_demux_track->p_es->p_demux_data = (es_sys_t *)p_init;
- vlc_mutex_lock( &p_input->stream.stream_lock );
- input_SelectES( p_input, p_demux_track->p_es );
- vlc_mutex_unlock( &p_input->stream.stream_lock );
+ 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;
+ int i;
+
+ msg_Warn( p_input, "elst box found" );
+ for( i = 0; i < elst->i_entry_count; i++ )
+ {
+ msg_Dbg( p_input, " - [%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 ?
+ elst->i_media_time[i] * 1000 / p_track->i_timescale : -1,
+ elst->i_media_rate_integer[i],
+ elst->i_media_rate_fraction[i] );
+ }
+ }
+
+
+/* TODO
+ add support for:
+ p_dinf = MP4_BoxGet( p_minf, "dinf" );
+*/
+ if( !( p_track->p_stbl = MP4_BoxGet( p_box_trak,"mdia/minf/stbl" ) ) ||
+ !( p_track->p_stsd = MP4_BoxGet( p_box_trak,"mdia/minf/stbl/stsd") ) )
+ {
+ 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 );
+ }
+
+ /* 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 )
+ {
+ MP4_Box_t *p_sample;
+
+ p_sample = MP4_BoxGet( p_track->p_stsd, "[0]" );
+ if( p_sample && p_sample->data.p_sample_soun)
+ {
+ MP4_Box_data_sample_soun_t *p_soun = p_sample->data.p_sample_soun;
+ if( p_soun->i_qt_version == 0 &&
+ p_track->i_timescale != p_soun->i_sampleratehi )
+ {
+ msg_Warn( p_input,
+ "i_timescale ("I64Fu") != i_sampleratehi (%u) with "
+ "qt_version == 0\n"
+ "Making both equal. (report any problem)",
+ p_track->i_timescale, p_soun->i_sampleratehi );
+
+ if( p_soun->i_sampleratehi )
+ p_track->i_timescale = p_soun->i_sampleratehi;
+ else
+ p_soun->i_sampleratehi = p_track->i_timescale;
+ }
+ }
+ }
+
+ /* Create chunk index table and sample index table */
+ if( TrackCreateChunksIndex( p_input,p_track ) ||
+ TrackCreateSamplesIndex( p_input, p_track ) )
+ {
+ return; /* cannot create chunks index */
+ }
+
+ p_track->i_chunk = 0;
+ p_track->i_sample = 0;
+
+ /* now create es */
+ if( TrackCreateES( p_input,
+ p_track, p_track->i_chunk,
+ &p_track->p_es ) )
+ {
+ msg_Err( p_input, "cannot create es for track[Id 0x%x]",
+ p_track->i_track_ID );
+ return;
+ }
- p_demux_track->b_ok = 1;
- p_demux_track->b_selected = 1;
+#if 0
+ {
+ 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 );
+
+ }
+ }
+#endif
+ p_track->b_ok = VLC_TRUE;
}
-static void MP4_StopDecoder( input_thread_t *p_input,
- track_data_mp4_t *p_demux_track )
+/****************************************************************************
+ * MP4_TrackDestroy:
+ ****************************************************************************
+ * Destroy a track created by MP4_TrackCreate.
+ ****************************************************************************/
+static void MP4_TrackDestroy( input_thread_t *p_input,
+ mp4_track_t *p_track )
{
- msg_Dbg( p_input, "Stopping decoder (track[Id 0x%x])",
- p_demux_track->i_track_ID );
+ unsigned int i_chunk;
+
+ p_track->b_ok = VLC_FALSE;
+ p_track->b_enable = VLC_FALSE;
+ p_track->b_selected = VLC_FALSE;
- input_UnselectES( p_input, p_demux_track->p_es );
- p_demux_track->p_es = NULL;
+ es_format_Init( &p_track->fmt, UNKNOWN_ES, 0 );
- p_demux_track->b_selected = 0;
+ for( i_chunk = 0; i_chunk < p_track->i_chunk_count; i_chunk++ )
+ {
+ if( p_track->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 );
+
+ if( !p_track->i_sample_size )
+ {
+ FREE( p_track->p_sample_size );
+ }
}
-static int MP4_ReadSample( input_thread_t *p_input,
- track_data_mp4_t *p_demux_track,
- pes_packet_t **pp_pes )
+static int MP4_TrackSelect ( input_thread_t *p_input,
+ mp4_track_t *p_track,
+ mtime_t i_start )
{
- int i_size;
- off_t i_pos;
+ if( !p_track->b_ok )
+ {
+ return VLC_EGENERIC;
+ }
+
+ if( p_track->b_selected )
+ {
+ msg_Warn( p_input,
+ "track[Id 0x%x] already selected",
+ p_track->i_track_ID );
+ return VLC_SUCCESS;
+ }
+
+ return MP4_TrackSeek( p_input, p_track, i_start );
+}
+
+static void MP4_TrackUnselect(input_thread_t *p_input,
+ mp4_track_t *p_track )
+{
+ if( !p_track->b_ok )
+ {
+ return;
+ }
+
+ if( !p_track->b_selected )
+ {
+ msg_Warn( p_input,
+ "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 );
+ }
- data_packet_t *p_data;
+ p_track->b_selected = VLC_FALSE;
+}
+static int MP4_TrackSeek ( input_thread_t *p_input,
+ mp4_track_t *p_track,
+ mtime_t i_start )
+{
+ uint32_t i_chunk;
+ uint32_t i_sample;
- /* this track have already reach the end */
- if( p_demux_track->i_sample >= p_demux_track->i_sample_count )
+ if( !p_track->b_ok )
{
- *pp_pes = NULL;
- return( 0 );
+ return( VLC_EGENERIC );
}
- /* caculate size and position for this sample */
- i_size = p_demux_track->i_sample_size ?
- p_demux_track->i_sample_size :
- p_demux_track->p_sample_size[p_demux_track->i_sample];
- i_pos = MP4_GetTrackPos( p_demux_track );
+ 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 );
+ }
- /* go,go go ! */
- if( ! MP4_SeekAbsolute( p_input, i_pos ) )
+ p_track->b_selected = VLC_TRUE;
+
+ if( TrackGotoChunkSample( p_input, p_track, i_chunk, i_sample ) )
{
- return( 0 );
+ p_track->b_selected = VLC_FALSE;
}
+ return( p_track->b_selected ? VLC_SUCCESS : VLC_EGENERIC );
+}
- /* now create a pes */
- if( !(*pp_pes = input_NewPES( p_input->p_method_data ) ) )
+
+/*
+ * 3 types: for audio
+ *
+ */
+#define QT_V0_MAX_SAMPLES 1500
+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 )
{
- return( 0 );
+ /* most simple case */
+ return( p_track->p_sample_size[p_track->i_sample] );
}
- /* and a data packet for the data */
- if( !(p_data = input_NewPacket( p_input->p_method_data, i_size ) ) )
+ if( p_track->fmt.i_cat != AUDIO_ES )
{
- input_DeletePES( p_input->p_method_data, *pp_pes );
- *pp_pes = NULL;
- return( 0 );
+ return( p_track->i_sample_size );
}
-
- /* initialisation of all the field */
- (*pp_pes)->i_dts =
- (*pp_pes)->i_pts = MP4_GetTrackPTS( p_demux_track );
- (*pp_pes)->p_first = (*pp_pes)->p_last = p_data;
- (*pp_pes)->i_nb_data = 1;
- (*pp_pes)->i_pes_size = i_size;
- if( !i_size )
+ if( p_track->i_sample_size != 1 )
{
- return( 1 );
+ //msg_Warn( p_input, "SampleSize != 1" );
+ return( p_track->i_sample_size );
}
-
-/* msg_Dbg( p_input, "will read %d bytes", i_size ); */
- if( !MP4_ReadData( p_input, p_data->p_payload_start, i_size ) )
+
+ p_soun = p_track->p_sample->data.p_sample_soun;
+
+ if( p_soun->i_qt_version == 1 )
{
- input_DeletePES( p_input->p_method_data, *pp_pes );
- input_DeletePacket( p_input->p_method_data, p_data );
- return( 0 );
+ 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
+ {
+ /* FIXME */
+ 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;
}
- return( 1 );
+ //fprintf( stderr, "size=%d\n", i_size );
+ return( i_size );
}
-static int MP4_DecodeSample( input_thread_t *p_input,
- track_data_mp4_t *p_demux_track,
- pes_packet_t *p_pes )
+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;
- if( !p_pes )
+ 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;
+ }
+ else
+ {
+ /* we read chunk by chunk */
+ i_pos += 0;
+ }
+ }
+ else
{
- return( 0 );
+ for( i_sample = p_track->chunk[p_track->i_chunk].i_sample_first;
+ i_sample < p_track->i_sample; i_sample++ )
+ {
+ i_pos += p_track->p_sample_size[i_sample];
+ }
+
}
+ return( i_pos );
+}
- /* don't forget to convert in mpeg clock */
- /* FIXME correct ffmpeg to use dts instead of pts that it incorrect
- and, set it here ( and correct avi demux ) */
- p_pes->i_dts =
- p_pes->i_pts = input_ClockGetTS( p_input,
- p_input->stream.p_selected_program,
- p_pes->i_pts * 9/100);
+static int MP4_TrackNextSample( input_thread_t *p_input,
+ mp4_track_t *p_track )
+{
+
+ if( p_track->fmt.i_cat == AUDIO_ES &&
+ p_track->i_sample_size != 0 )
+ {
+ MP4_Box_data_sample_soun_t *p_soun;
+
+ p_soun = p_track->p_sample->data.p_sample_soun;
+
+ 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;
+ }
+ 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 )
+ {
+ p_track->i_sample =
+ p_track->chunk[p_track->i_chunk].i_sample_first +
+ p_track->chunk[p_track->i_chunk].i_sample_count;
+ }
+ }
+ }
+ else
+ {
+ p_track->i_sample++;
+ }
-
- input_DecodePES( p_demux_track->p_es->p_decoder_fifo, p_pes );
-
- /* now update sample position */
- p_demux_track->i_sample++; /* easy ;) */
- if( p_demux_track->i_sample >= p_demux_track->i_sample_count )
+ if( p_track->i_sample >= p_track->i_sample_count )
{
/* we have reach end of the track so free decoder stuff */
- MP4_StopDecoder( p_input, p_demux_track );
- return( 1 );
+ msg_Warn( p_input, "track[0x%x] will be disabled", p_track->i_track_ID );
+ MP4_TrackUnselect( p_input, p_track );
+ return VLC_EGENERIC;
}
+
/* Have we changed chunk ? */
- if( p_demux_track->i_sample >=
- p_demux_track->chunk[p_demux_track->i_chunk].i_sample_first +
- p_demux_track->chunk[p_demux_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 )
+ {
+ if( TrackGotoChunkSample( p_input,
+ 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;
+ }
+ }
+
+ /* Have we changed elst */
+ if( p_track->p_elst && p_track->p_elst->data.p_elst->i_entry_count > 0 )
{
- /* we haven't reached the end of the track, so see if we
- have to change the decoder for the next frame because
- i_sample_description_index has changed */
+ demux_sys_t *p_sys = p_input->p_demux_data;
+ MP4_Box_data_elst_t *elst = p_track->p_elst->data.p_elst;
+ int64_t i_mvt = MP4_TrackGetPTS( p_input, p_track ) * p_sys->i_timescale / (int64_t)1000000;
- p_demux_track->i_chunk++;
- if( p_demux_track->chunk[p_demux_track->i_chunk-1].i_sample_description_index
- != p_demux_track->chunk[p_demux_track->i_chunk].i_sample_description_index )
+ if( p_track->i_elst < elst->i_entry_count &&
+ i_mvt >= p_track->i_elst_time + elst->i_segment_duration[p_track->i_elst] )
{
- /* FIXME */
- msg_Warn( p_input,
- "SampleEntry has changed, starting a new decoder" );
- MP4_StopDecoder( p_input, p_demux_track );
- MP4_StartDecoder( p_input, p_demux_track );
+ MP4_TrackSetELST( p_input, p_track, MP4_TrackGetPTS( p_input, p_track ) );
}
}
-
- return( 1 );
+ return VLC_SUCCESS;
}
+static void MP4_TrackSetELST( input_thread_t *p_input, mp4_track_t *tk, int64_t i_time )
+{
+ demux_sys_t *p_sys = p_input->p_demux_data;
+ 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; 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( tk->i_elst >= elst->i_entry_count )
+ {
+ /* msg_Dbg( p_input, "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_input, "elst old=%d new=%d", i_elst_last, tk->i_elst );
+ }
+}