/*****************************************************************************
* mp4.c : MP4 file input module for vlc
*****************************************************************************
- * Copyright (C) 2001-2004 the VideoLAN team
+ * Copyright (C) 2001-2004, 2010 the VideoLAN team
* $Id$
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
#include "libmp4.h"
#include "drms.h"
-
-#ifdef UNDER_CE
-#define uint64_t int64_t
-#endif
+#include "../../meta_engine/id3genres.h"
/*****************************************************************************
* Module descriptor
much memory and with fast access */
/* with this we can calculate dts/pts without waste memory */
- uint64_t i_first_dts;
+ uint64_t i_first_dts; /* DTS of the first sample */
+ uint64_t i_last_dts; /* DTS of the last sample */
uint32_t *p_sample_count_dts;
uint32_t *p_sample_delta_dts; /* dts delta */
uint64_t i_duration; /* movie duration */
unsigned int i_tracks; /* number of tracks */
mp4_track_t *track; /* array of track */
+ float f_fps; /* number of frame per seconds */
/* */
MP4_Box_t *p_tref_chap;
p_demux->pf_control = Control;
/* create our structure that will contains all data */
- p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
- memset( p_sys, 0, sizeof( demux_sys_t ) );
+ p_demux->p_sys = p_sys = calloc( 1, sizeof( demux_sys_t ) );
/* Now load all boxes ( except raw data ) */
if( ( p_sys->p_root = MP4_BoxGetRoot( p_demux->s ) ) == NULL )
msg_Dbg( p_demux, "detected playlist mov file (%d ref)", i_count );
- input_thread_t *p_input = vlc_object_find( p_demux, VLC_OBJECT_INPUT, FIND_PARENT );
+ input_thread_t *p_input = demux_GetParentInput( p_demux );
input_item_t *p_current = input_GetItem( p_input );
+ input_item_node_t *p_subitems = input_item_node_Create( p_current );
+
for( i = 0; i < i_count; i++ )
{
MP4_Box_t *p_rdrf = MP4_BoxGet( p_rmra, "rmda[%d]/rdrf", i );
else
{
char *psz_absolute;
- char *psz_path = strdup( p_demux->psz_path );
+ char *psz_path = strdup( p_demux->psz_location );
char *end = strrchr( psz_path, '/' );
if( end ) end[1] = '\0';
else *psz_path = '\0';
if( asprintf( &psz_absolute, "%s://%s%s",
p_demux->psz_access, psz_path, psz_ref ) < 0 )
+ {
+ free( psz_ref );
+ free( psz_path );
+ vlc_object_release( p_input) ;
return VLC_ENOMEM;
+ }
free( psz_ref );
psz_ref = psz_absolute;
msg_Dbg( p_demux, "adding ref = `%s'", psz_ref );
input_item_t *p_input = input_item_New( p_demux, psz_ref, NULL );
input_item_CopyOptions( p_current, p_input );
- input_item_AddSubItem( p_current, p_input );
+ input_item_node_AppendItem( p_subitems, p_input );
vlc_gc_decref( p_input );
}
else
}
free( psz_ref );
}
+ input_item_node_PostAndDelete( p_subitems );
vlc_object_release( p_input );
}
p_sys->p_tref_chap = p_chap;
}
- /* now process each track and extract all usefull information */
+ /* now process each track and extract all useful information */
for( i = 0; i < p_sys->i_tracks; i++ )
{
p_trak = MP4_BoxGet( p_sys->p_root, "/moov/trak[%d]", i );
MP4_UpdateSeekpoint( p_demux );
/* first wait for the good time to read a packet */
- es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pcr + 1 );
+ es_out_Control( p_demux->out, ES_OUT_SET_PCR, VLC_TS_0 + p_sys->i_pcr );
p_sys->i_pcr = MP4_GetMoviePTS( p_sys );
}
}
/* dts */
- p_block->i_dts = MP4_TrackGetDTS( p_demux, tk ) + 1;
+ p_block->i_dts = VLC_TS_0 + MP4_TrackGetDTS( p_demux, tk );
/* pts */
i_delta = MP4_TrackGetPTSDelta( tk );
if( i_delta != -1 )
else if( tk->fmt.i_cat != VIDEO_ES )
p_block->i_pts = p_block->i_dts;
else
- p_block->i_pts = 0;
+ p_block->i_pts = VLC_TS_INVALID;
if( !tk->b_drms || ( tk->b_drms && tk->p_drms ) )
es_out_Send( p_demux->out, tk->p_es, p_block );
return VLC_SUCCESS;
case DEMUX_GET_FPS:
- msg_Warn( p_demux, "DEMUX_GET_FPS unimplemented !!" );
- return VLC_EGENERIC;
+ pf = (double*)va_arg( args, double* );
+ *pf = p_sys->f_fps;
+ return VLC_SUCCESS;
case DEMUX_GET_META:
{
SET( vlc_meta_SetGenre );
break;
+ case FOURCC_gnre:
+ if( p_0xa9xxx->data.p_gnre->i_genre <= NUM_GENRES )
+ vlc_meta_SetGenre( p_meta, ppsz_genres[p_0xa9xxx->data.p_gnre->i_genre - 1] );
+ break;
+
case FOURCC_0xa9alb: /* Album */
SET( vlc_meta_SetAlbum );
break;
case FOURCC_0xa9trk: /* Track */
SET( vlc_meta_SetTrackNum );
break;
-
+ case FOURCC_trkn:
+ {
+ char psz_trck[11];
+ snprintf( psz_trck, sizeof( psz_trck ), "%i",
+ p_0xa9xxx->data.p_trkn->i_track_number );
+ vlc_meta_SetTrackNum( p_meta, psz_trck );
+ break;
+ }
case FOURCC_0xa9cmt: /* Commment */
SET( vlc_meta_SetDescription );
break;
SET( vlc_meta_SetURL );
break;
+ case FOURCC_0xa9too: /* Encoder Tool */
case FOURCC_0xa9enc: /* Encoded By */
SET( vlc_meta_SetEncodedBy );
break;
-
- case FOURCC_0xa9swr:
- case FOURCC_0xa9inf: /* Information */
- case FOURCC_0xa9dir: /* Director */
- case FOURCC_0xa9dis: /* Disclaimer */
- case FOURCC_0xa9req: /* Requirements */
- case FOURCC_0xa9fmt: /* Original Format */
- case FOURCC_0xa9dsa: /* Display Source As */
- case FOURCC_0xa9hst: /* Host Computer */
- case FOURCC_0xa9prd: /* Producer */
- case FOURCC_0xa9prf: /* Performers */
- case FOURCC_0xa9ope: /* Original Performer */
- case FOURCC_0xa9src: /* Providers Source Content */
- case FOURCC_0xa9wrt: /* Writer */
- case FOURCC_0xa9com: /* Composer */
- case FOURCC_WLOC: /* Window Location */
- /* TODO one day, but they aren't really meaningfull */
- break;
-#undef SET
default:
break;
}
+#undef SET
+ static const struct { uint32_t xa9_type; char metadata[25]; } xa9typetoextrameta[] =
+ {
+ { FOURCC_0xa9wrt, N_("Writer") },
+ { FOURCC_0xa9com, N_("Composr") },
+ { FOURCC_0xa9prd, N_("Producer") },
+ { FOURCC_0xa9inf, N_("Information") },
+ { FOURCC_0xa9dir, N_("Director") },
+ { FOURCC_0xa9dis, N_("Disclaimer") },
+ { FOURCC_0xa9req, N_("Requirements") },
+ { FOURCC_0xa9fmt, N_("Original Format") },
+ { FOURCC_0xa9dsa, N_("Display Source As") },
+ { FOURCC_0xa9hst, N_("Host Computer") },
+ { FOURCC_0xa9prf, N_("Performers") },
+ { FOURCC_0xa9ope, N_("Original Performer") },
+ { FOURCC_0xa9src, N_("Providers Source Content") },
+ { FOURCC_0xa9wrn, N_("Warning") },
+ { FOURCC_0xa9swr, N_("Software") },
+ { FOURCC_0xa9lyr, N_("Lyrics") },
+ { FOURCC_0xa9mak, N_("Make") },
+ { FOURCC_0xa9mod, N_("Model") },
+ { FOURCC_0xa9PRD, N_("Product") },
+ { FOURCC_0xa9grp, N_("Grouping") },
+ { 0, "" },
+ };
+ for( unsigned i = 0; xa9typetoextrameta[i].xa9_type; i++ )
+ {
+ if( p_0xa9xxx->i_type == xa9typetoextrameta[i].xa9_type )
+ {
+ char *psz_utf = strdup( p_0xa9xxx->data.p_0xa9xxx->psz_text ? p_0xa9xxx->data.p_0xa9xxx->psz_text : "" );
+ if( psz_utf )
+ {
+ EnsureUTF8( psz_utf );
+ vlc_meta_AddExtra( p_meta, _(xa9typetoextrameta[i].metadata), psz_utf );
+ free( psz_utf );
+ }
+ break;
+ }
+ }
}
return VLC_SUCCESS;
}
int64_t i_index;
int64_t i_index_sample_used;
- int64_t i_last_dts;
+ int64_t i_next_dts;
/* Find stsz
* Gives the sample size for each samples. There is also a stz2 table
* for fast research (problem with raw stream where a sample is sometime
* just channels*bits_per_sample/8 */
- i_last_dts = 0;
+ i_next_dts = 0;
i_index = 0; i_index_sample_used = 0;
for( i_chunk = 0; i_chunk < p_demux_track->i_chunk_count; i_chunk++ )
{
mp4_chunk_t *ck = &p_demux_track->chunk[i_chunk];
int64_t i_entry, i_sample_count, i;
- /* save last dts */
- ck->i_first_dts = i_last_dts;
+ /* save first dts */
+ ck->i_first_dts = i_next_dts;
+ ck->i_last_dts = i_next_dts;
/* count how many entries are needed for this chunk
* for p_sample_delta_dts and p_sample_count_dts */
i_index_sample_used += i_used;
i_sample_count -= i_used;
+ i_next_dts += i_used * stts->i_sample_delta[i_index];
ck->p_sample_count_dts[i] = i_used;
ck->p_sample_delta_dts[i] = stts->i_sample_delta[i_index];
-
- i_last_dts += i_used * ck->p_sample_delta_dts[i];
+ if( i_used > 0 )
+ ck->i_last_dts = i_next_dts - ck->p_sample_delta_dts[i];
if( i_index_sample_used >= stts->i_sample_count[i_index] )
{
msg_Dbg( p_demux, "track[Id 0x%x] read %d samples length:%"PRId64"s",
p_demux_track->i_track_ID, p_demux_track->i_sample_count,
- i_last_dts / p_demux_track->i_timescale );
+ i_next_dts / p_demux_track->i_timescale );
return VLC_SUCCESS;
}
+/**
+ * It computes the sample rate for a video track using the given sample
+ * description index
+ */
+static void TrackGetESSampleRate( unsigned *pi_num, unsigned *pi_den,
+ const mp4_track_t *p_track,
+ unsigned i_sd_index,
+ unsigned i_chunk )
+{
+ *pi_num = 0;
+ *pi_den = 0;
+
+ if( p_track->i_chunk_count <= 0 )
+ return;
+
+ /* */
+ const mp4_chunk_t *p_chunk = &p_track->chunk[i_chunk];
+ while( p_chunk > &p_track->chunk[0] &&
+ p_chunk[-1].i_sample_description_index == i_sd_index )
+ {
+ p_chunk--;
+ }
+
+ uint64_t i_sample = 0;
+ uint64_t i_first_dts = p_chunk->i_first_dts;
+ uint64_t i_last_dts;
+ do
+ {
+ i_sample += p_chunk->i_sample_count;
+ i_last_dts = p_chunk->i_last_dts;
+ p_chunk++;
+ }
+ while( p_chunk < &p_track->chunk[p_track->i_chunk_count] &&
+ p_chunk->i_sample_description_index == i_sd_index );
+
+ if( i_sample > 1 && i_first_dts < i_last_dts )
+ vlc_ureduce( pi_num, pi_den,
+ ( i_sample - 1) * p_track->i_timescale,
+ i_last_dts - i_first_dts,
+ UINT16_MAX);
+}
+
/*
* TrackCreateES:
* Create ES and PES to init decoder if needed, for a track starting at i_chunk
static int TrackCreateES( demux_t *p_demux, mp4_track_t *p_track,
unsigned int i_chunk, es_out_id_t **pp_es )
{
+ const unsigned i_sample_description_index =
+ p_track->chunk[i_chunk].i_sample_description_index;
MP4_Box_t *p_sample;
MP4_Box_t *p_esds;
- MP4_Box_t *p_box;
MP4_Box_t *p_frma;
+ MP4_Box_t *p_enda;
if( pp_es )
*pp_es = NULL;
- if( !p_track->chunk[i_chunk].i_sample_description_index )
+ if( !i_sample_description_index )
{
msg_Warn( p_demux, "invalid SampleEntry index (track[Id 0x%x])",
p_track->i_track_ID );
}
p_sample = MP4_BoxGet( p_track->p_stsd, "[%d]",
- p_track->chunk[i_chunk].i_sample_description_index - 1 );
+ i_sample_description_index - 1 );
if( !p_sample ||
( !p_sample->data.p_data && p_track->fmt.i_cat != SPU_ES ) )
p_sample->i_type = p_frma->data.p_frma->i_type;
}
+ p_enda = MP4_BoxGet( p_sample, "wave/enda" );
+ if( !p_enda )
+ p_enda = MP4_BoxGet( p_sample, "enda" );
+
if( p_track->fmt.i_cat == AUDIO_ES && ( p_track->i_sample_size == 1 || p_track->i_sample_size == 2 ) )
{
MP4_Box_data_sample_soun_t *p_soun;
case VLC_FOURCC( 'a', 'l', 'a', 'w' ):
case VLC_FOURCC( 'u', 'l', 'a', 'w' ):
p_soun->i_samplesize = 8;
+ p_track->i_sample_size = p_soun->i_channelcount;
break;
case VLC_FOURCC( 'N', 'O', 'N', 'E' ):
case VLC_FOURCC( 'r', 'a', 'w', ' ' ):
p_soun->i_qt_version = 0;
}
}
+ else if( p_track->fmt.i_cat == AUDIO_ES && p_sample->data.p_sample_soun->i_qt_version == 1 )
+ {
+ MP4_Box_data_sample_soun_t *p_soun = p_sample->data.p_sample_soun;
+
+ switch( p_sample->i_type )
+ {
+ case( VLC_FOURCC( '.', 'm', 'p', '3' ) ):
+ case( VLC_FOURCC( 'm', 's', 0x00, 0x55 ) ):
+ {
+ if( p_track->i_sample_size > 1 )
+ p_soun->i_qt_version = 0;
+ break;
+ }
+ case( VLC_FOURCC( 'a', 'c', '-', '3' ) ):
+ case( VLC_FOURCC( 'e', 'c', '-', '3' ) ):
+ case( VLC_FOURCC( 'm', 's', 0x20, 0x00 ) ):
+ p_soun->i_qt_version = 0;
+ break;
+ default:
+ break;
+ }
+ }
/* */
switch( p_track->fmt.i_cat )
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;
+ {
+ p_track->fmt.video.i_sar_num = p_track->i_width * p_track->fmt.video.i_height;
+ p_track->fmt.video.i_sar_den = p_track->i_height * p_track->fmt.video.i_width;
+ }
/* Support for cropping (eg. in H263 files) */
p_track->fmt.video.i_visible_width = p_track->fmt.video.i_width;
p_track->fmt.video.i_visible_height = p_track->fmt.video.i_height;
/* Frame rate */
- p_track->fmt.video.i_frame_rate = p_track->i_timescale;
- p_track->fmt.video.i_frame_rate_base = 1;
-
- if( p_track->fmt.video.i_frame_rate &&
- (p_box = MP4_BoxGet( p_track->p_stbl, "stts" )) &&
- p_box->data.p_stts->i_entry_count >= 1 )
- {
- p_track->fmt.video.i_frame_rate_base =
- p_box->data.p_stts->i_sample_delta[0];
- }
-
+ TrackGetESSampleRate( &p_track->fmt.video.i_frame_rate,
+ &p_track->fmt.video.i_frame_rate_base,
+ p_track, i_sample_description_index, i_chunk );
+ p_demux->p_sys->f_fps = (float)p_track->fmt.video.i_frame_rate /
+ (float)p_track->fmt.video.i_frame_rate_base;
break;
case AUDIO_ES:
case( VLC_FOURCC( '.', 'm', 'p', '3' ) ):
case( VLC_FOURCC( 'm', 's', 0x00, 0x55 ) ):
{
- MP4_Box_data_sample_soun_t *p_soun = p_sample->data.p_sample_soun;
p_track->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
- if( p_track->i_sample_size > 1 )
- p_soun->i_qt_version = 0;
break;
}
case( VLC_FOURCC( 'a', 'c', '-', '3' ) ):
break;
case VLC_FOURCC('i','n','2','4'):
- /* in in24/in32 there's enda-atom to tell it's little-endian (if present) */
- if( ( MP4_BoxGet( p_sample, "wave/enda" ) ) ||
- ( MP4_BoxGet( p_sample, "enda" ) ) )
- {
- p_track->fmt.i_codec = VLC_FOURCC('4','2','n','i');
- } else {
- p_track->fmt.i_codec = p_sample->i_type;
- }
+ p_track->fmt.i_codec = p_enda && p_enda->data.p_enda->i_little_endian == 1 ?
+ VLC_FOURCC('4','2','n','i') : VLC_FOURCC('i','n','2','4');
+ break;
+ case VLC_FOURCC('f','l','3','2'):
+ p_track->fmt.i_codec = p_enda && p_enda->data.p_enda->i_little_endian == 1 ?
+ VLC_CODEC_F32L : VLC_CODEC_F32B;
+ break;
+ case VLC_FOURCC('f','l','6','4'):
+ p_track->fmt.i_codec = p_enda && p_enda->data.p_enda->i_little_endian == 1 ?
+ VLC_CODEC_F64L : VLC_CODEC_F64B;
break;
default:
break;
case( 0x40):
p_track->fmt.i_codec = VLC_FOURCC( 'm','p','4','a' );
+ if( p_decconfig->i_decoder_specific_info_len >= 2 &&
+ p_decconfig->p_decoder_specific_info[0] == 0xF8 &&
+ (p_decconfig->p_decoder_specific_info[1]&0xE0) == 0x80 )
+ {
+ p_track->fmt.i_codec = VLC_CODEC_ALS;
+ }
break;
case( 0x60):
case( 0x61):
p_track->fmt.i_extra);
}
break;
+ case VLC_FOURCC( 's', 'a', 'm', 'r' ):
+ p_track->fmt.audio.i_rate = 8000;
case VLC_FOURCC( 'Q', 'D', 'M', 'C' ):
case VLC_FOURCC( 'Q', 'D', 'M', '2' ):
- 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;
uint32_t *pi_sample )
{
demux_sys_t *p_sys = p_demux->p_sys;
- MP4_Box_t *p_stss;
+ MP4_Box_t *p_box_stss;
uint64_t i_dts;
unsigned int i_sample;
unsigned int i_chunk;
/* *** Try to find nearest sync points *** */
- if( ( p_stss = MP4_BoxGet( p_track->p_stbl, "stss" ) ) )
+ if( ( p_box_stss = MP4_BoxGet( p_track->p_stbl, "stss" ) ) )
{
- unsigned int i_index;
- msg_Dbg( p_demux,
- "track[Id 0x%x] using Sync Sample Box (stss)",
- p_track->i_track_ID );
- for( i_index = 0; i_index < p_stss->data.p_stss->i_entry_count; i_index++ )
+ MP4_Box_data_stss_t *p_stss = p_box_stss->data.p_stss;
+ msg_Dbg( p_demux, "track[Id 0x%x] using Sync Sample Box (stss)",
+ p_track->i_track_ID );
+ for( unsigned i_index = 0; i_index < p_stss->i_entry_count; i_index++ )
{
- if( p_stss->data.p_stss->i_sample_number[i_index] >= i_sample )
+ if( i_index >= p_stss->i_entry_count - 1 ||
+ i_sample < p_stss->i_sample_number[i_index+1] )
{
- if( i_index > 0 )
+ unsigned i_sync_sample = p_stss->i_sample_number[i_index];
+ msg_Dbg( p_demux, "stts gives %d --> %d (sample number)",
+ i_sample, i_sync_sample );
+
+ if( i_sync_sample <= i_sample )
{
- msg_Dbg( p_demux, "stts gives %d --> %d (sample number)",
- i_sample,
- p_stss->data.p_stss->i_sample_number[i_index-1] );
- i_sample = p_stss->data.p_stss->i_sample_number[i_index-1];
- /* new i_sample is less than old so i_chunk can only decreased */
while( i_chunk > 0 &&
- i_sample < p_track->chunk[i_chunk].i_sample_first )
- {
+ i_sync_sample < p_track->chunk[i_chunk].i_sample_first )
i_chunk--;
- }
}
else
{
- msg_Dbg( p_demux, "stts gives %d --> %d (sample number)",
- i_sample,
- p_stss->data.p_stss->i_sample_number[i_index] );
- i_sample = p_stss->data.p_stss->i_sample_number[i_index];
- /* new i_sample is more than old so i_chunk can only increased */
while( i_chunk < p_track->i_chunk_count - 1 &&
- i_sample >= p_track->chunk[i_chunk].i_sample_first +
- p_track->chunk[i_chunk].i_sample_count )
- {
+ i_sync_sample >= p_track->chunk[i_chunk].i_sample_first +
+ p_track->chunk[i_chunk].i_sample_count )
i_chunk++;
- }
}
+ i_sample = i_sync_sample;
break;
}
}
projects / vlc / blobdiff