* ogg.c : ogg stream input module for vlc
*****************************************************************************
* Copyright (C) 2001 VideoLAN
- * $Id: ogg.c,v 1.1 2002/10/24 09:30:48 gbazin Exp $
+ * $Id: ogg.c,v 1.33 2003/09/07 22:48:29 fenrir Exp $
*
* Authors: Gildas Bazin <gbazin@netcourrier.com>
*
#include <ogg/ogg.h>
+#include <codecs.h> /* BITMAPINFOHEADER, WAVEFORMATEX */
+
#define OGG_BLOCK_SIZE 4096
#define PAGES_READ_ONCE 1
ogg_stream_state os; /* logical stream of packets */
int i_serial_no;
- int i_pages_read;
int i_cat; /* AUDIO_ES, VIDEO_ES */
int i_activated;
vlc_fourcc_t i_fourcc;
vlc_fourcc_t i_codec;
- es_descriptor_t *p_es;
+ es_descriptor_t *p_es;
int b_selected; /* newly selected */
- /* info for vorbis logical streams */
- int i_rate;
- int i_channels;
+ /* the header of some logical streams (eg vorbis) contain essential
+ * data for the decoder. We back them up here in case we need to re-feed
+ * them to the decoder. */
+ int b_force_backup;
+ int i_packets_backup;
+ ogg_packet *p_packets_backup;
+
+ /* program clock reference (in units of 90kHz) derived from the previous
+ * granulepos */
+ mtime_t i_pcr;
+ mtime_t i_interpolated_pcr;
+
+ /* info from logical streams */
+ double f_rate;
int i_bitrate;
+ int i_channels;
+ int b_reinit;
+
+ /* codec specific stuff */
+ BITMAPINFOHEADER *p_bih;
+ WAVEFORMATEX *p_wf;
+ int i_theora_keyframe_granule_shift;
} logical_stream_t;
/* current audio and video es */
logical_stream_t *p_stream_video;
logical_stream_t *p_stream_audio;
+ logical_stream_t *p_stream_spu;
+
+ /* program clock reference (in units of 90kHz) derived from the pcr of
+ * the sub-streams */
+ mtime_t i_pcr;
+ mtime_t i_old_pcr;
- mtime_t i_time;
- mtime_t i_length;
- mtime_t i_pcr;
int b_seekable;
+ int b_reinit;
};
+/* OggDS headers for the new header format (used in ogm files) */
+typedef struct stream_header_video
+{
+ ogg_int32_t width;
+ ogg_int32_t height;
+} stream_header_video;
+
+typedef struct stream_header_audio
+{
+ ogg_int16_t channels;
+ ogg_int16_t blockalign;
+ ogg_int32_t avgbytespersec;
+} stream_header_audio;
+
+typedef struct stream_header
+{
+ char streamtype[8];
+ char subtype[4];
+
+ ogg_int32_t size; /* size of the structure */
+
+ ogg_int64_t time_unit; /* in reference time */
+ ogg_int64_t samples_per_unit;
+ ogg_int32_t default_len; /* in media time */
+
+ ogg_int32_t buffersize;
+ ogg_int16_t bits_per_sample;
+
+ union
+ {
+ /* Video specific */
+ stream_header_video video;
+ /* Audio specific */
+ stream_header_audio audio;
+ } sh;
+} stream_header;
+
+/* Some defines from OggDS */
+#define PACKET_TYPE_HEADER 0x01
+#define PACKET_TYPE_BITS 0x07
+#define PACKET_LEN_BITS01 0xc0
+#define PACKET_LEN_BITS2 0x02
+#define PACKET_IS_SYNCPOINT 0x08
+
/*****************************************************************************
* Local prototypes
*****************************************************************************/
/* Stream managment */
static int Ogg_StreamStart ( input_thread_t *, demux_sys_t *, int );
-static int Ogg_StreamSeek ( input_thread_t *, demux_sys_t *, int, mtime_t );
static void Ogg_StreamStop ( input_thread_t *, demux_sys_t *, int );
/* Bitstream manipulation */
static int Ogg_Check ( input_thread_t *p_input );
static int Ogg_ReadPage ( input_thread_t *, demux_sys_t *, ogg_page * );
+static void Ogg_UpdatePCR ( logical_stream_t *, ogg_packet * );
static void Ogg_DecodePacket ( input_thread_t *p_input,
- logical_stream_t *p_stream,
- ogg_packet *p_oggpacket );
+ logical_stream_t *p_stream, ogg_packet * );
static int Ogg_FindLogicalStreams( input_thread_t *p_input,
demux_sys_t *p_ogg );
* Module descriptor
*****************************************************************************/
vlc_module_begin();
- set_description( _("ogg stream demux" ) );
+ set_description( _("ogg stream demuxer" ) );
set_capability( "demux", 50 );
set_callbacks( Activate, Deactivate );
add_shortcut( "ogg" );
}
p_stream->i_activated = p_stream->p_es->p_decoder_fifo ? 1 : 0;
- //Ogg_StreamSeek( p_input, p_ogg, i_stream, p_ogg->i_time );
+ /* Feed the backup header to the decoder */
+ if( !p_stream->b_force_backup )
+ {
+ int i;
+ for( i = 0; i < p_stream->i_packets_backup; i++ )
+ {
+ Ogg_DecodePacket( p_input, p_stream,
+ &p_stream->p_packets_backup[i] );
+ }
+ }
return( p_stream->i_activated );
#undef p_stream
#undef p_stream
}
-static int Ogg_StreamSeek( input_thread_t *p_input, demux_sys_t *p_ogg,
- int i_stream, mtime_t i_date )
-{
-#define p_stream p_ogg->pp_stream[i_stream]
-
- /* FIXME: todo */
-
- return 1;
-#undef p_stream
-}
-
/****************************************************************************
* Ogg_Check: Check we are dealing with an ogg stream.
****************************************************************************/
return VLC_SUCCESS;
}
+/****************************************************************************
+ * Ogg_UpdatePCR: update the PCR (90kHz program clock reference) for the
+ * current stream.
+ ****************************************************************************/
+static void Ogg_UpdatePCR( logical_stream_t *p_stream,
+ ogg_packet *p_oggpacket )
+{
+
+ /* Convert the next granulepos into a pcr */
+ if( p_oggpacket->granulepos >= 0 )
+ {
+ if( p_stream->i_fourcc != VLC_FOURCC( 't','h','e','o' ) )
+ {
+ p_stream->i_pcr = p_oggpacket->granulepos * 90000
+ / p_stream->f_rate;
+ }
+ else
+ {
+ ogg_int64_t iframe = p_oggpacket->granulepos >>
+ p_stream->i_theora_keyframe_granule_shift;
+ ogg_int64_t pframe = p_oggpacket->granulepos -
+ ( iframe << p_stream->i_theora_keyframe_granule_shift );
+
+ p_stream->i_pcr = ( iframe + pframe ) * 90000
+ / p_stream->f_rate;
+ }
+
+ p_stream->i_interpolated_pcr = p_stream->i_pcr;
+ }
+ else
+ {
+ /* FIXME: ffmpeg doesn't like null pts */
+ if( p_stream->i_cat == VIDEO_ES )
+ /* 1 frame per packet */
+ p_stream->i_pcr += (90000 / p_stream->f_rate);
+ else
+ p_stream->i_pcr = -1;
+
+ /* no granulepos available, try to interpolate the pcr.
+ * If we can't then don't touch the old value. */
+ if( p_stream->i_bitrate )
+ p_stream->i_interpolated_pcr += ( p_oggpacket->bytes * 90000
+ / p_stream->i_bitrate / 8 );
+ }
+}
+
/****************************************************************************
* Ogg_DecodePacket: Decode an Ogg packet.
****************************************************************************/
{
pes_packet_t *p_pes;
data_packet_t *p_data;
+ vlc_bool_t b_trash = VLC_FALSE;
+ int i_header_len = 0;
+
+ if( p_stream->b_force_backup )
+ {
+ /* Backup the ogg packet (likely an header packet) */
+ ogg_packet *p_packet_backup;
+ p_stream->i_packets_backup++;
+ p_stream->p_packets_backup =
+ realloc( p_stream->p_packets_backup, p_stream->i_packets_backup *
+ sizeof(ogg_packet) );
+
+ p_packet_backup =
+ &p_stream->p_packets_backup[p_stream->i_packets_backup - 1];
+
+ p_packet_backup->bytes = p_oggpacket->bytes;
+ p_packet_backup->granulepos = p_oggpacket->granulepos;
+ p_packet_backup->packet = malloc( p_oggpacket->bytes );
+ if( !p_packet_backup->packet ) return;
+ memcpy( p_packet_backup->packet, p_oggpacket->packet,
+ p_oggpacket->bytes );
+
+ switch( p_stream->i_fourcc )
+ {
+ case VLC_FOURCC( 'v','o','r','b' ):
+ case VLC_FOURCC( 't','h','e','o' ):
+ if( p_stream->i_packets_backup == 3 ) p_stream->b_force_backup = 0;
+ break;
+
+ default:
+ p_stream->b_force_backup = 0;
+ break;
+ }
+ }
+
+ vlc_mutex_lock( &p_input->stream.control.control_lock );
+ if( p_stream->i_cat == AUDIO_ES && p_input->stream.control.b_mute )
+ {
+ b_trash = VLC_TRUE;
+ }
+ vlc_mutex_unlock( &p_input->stream.control.control_lock );
+
+ if( !p_stream->p_es->p_decoder_fifo || b_trash )
+ {
+ /* This stream isn't currently selected so we don't need to decode it,
+ * but we do need to store its pcr as it might be selected later on. */
+ Ogg_UpdatePCR( p_stream, p_oggpacket );
+
+ return;
+ }
if( !( p_pes = input_NewPES( p_input->p_method_data ) ) )
{
input_DeletePES( p_input->p_method_data, p_pes );
return;
}
+ p_data->p_payload_end = p_data->p_payload_start + p_oggpacket->bytes;
+
+ /* Convert the pcr into a pts */
+ if( p_stream->i_fourcc == VLC_FOURCC( 'v','o','r','b' ) ||
+ p_stream->i_fourcc == VLC_FOURCC( 't','h','e','o' ) )
+ {
+ p_pes->i_pts = ( p_stream->i_pcr < 0 ) ? 0 :
+ input_ClockGetTS( p_input, p_input->stream.p_selected_program,
+ p_stream->i_pcr );
+ }
+ else
+ {
+ /* Of course subtitles had to be different! */
+ p_pes->i_pts = ( p_oggpacket->granulepos < 0 ) ? 0 :
+ input_ClockGetTS( p_input, p_input->stream.p_selected_program,
+ p_oggpacket->granulepos * 90000 /
+ p_stream->f_rate );
+ }
+
+ /* Convert the next granulepos into a pcr */
+ Ogg_UpdatePCR( p_stream, p_oggpacket );
- p_pes->p_first = p_pes->p_last = p_data;
p_pes->i_nb_data = 1;
- p_pes->i_pes_size = p_oggpacket->bytes;
p_pes->i_dts = p_oggpacket->granulepos;
+ p_pes->p_first = p_pes->p_last = p_data;
+ p_pes->i_pes_size = p_oggpacket->bytes;
- /* Convert the granule into a pts */
- p_pes->i_pts = (p_oggpacket->granulepos < 0) ? 0 :
- p_oggpacket->granulepos * 90000 / p_stream->i_rate;
- p_pes->i_pts = (p_oggpacket->granulepos < 0) ? 0 :
- input_ClockGetTS( p_input, p_input->stream.p_selected_program,
- p_pes->i_pts );
+ if( p_stream->i_fourcc != VLC_FOURCC( 'v','o','r','b' ) &&
+ p_stream->i_fourcc != VLC_FOURCC( 't','a','r','k' ) &&
+ p_stream->i_fourcc != VLC_FOURCC( 't','h','e','o' ) )
+ {
+ /* Remove the header from the packet */
+ i_header_len = (*p_oggpacket->packet & PACKET_LEN_BITS01) >> 6;
+ i_header_len |= (*p_oggpacket->packet & PACKET_LEN_BITS2) << 1;
+ i_header_len++;
- memcpy( p_data->p_payload_start, p_oggpacket->packet, p_oggpacket->bytes );
+ p_pes->i_pes_size -= i_header_len;
+ p_pes->i_dts = 0;
+ }
+
+ if( p_stream->i_fourcc == VLC_FOURCC( 't','a','r','k' ) )
+ {
+ /* FIXME: the biggest hack I've ever done */
+ msg_Warn( p_input, "tark pts: "I64Fd", granule: "I64Fd,
+ p_pes->i_pts, p_pes->i_dts );
+ msleep(10000);
+ }
+
+ memcpy( p_data->p_payload_start,
+ p_oggpacket->packet + i_header_len,
+ p_oggpacket->bytes - i_header_len );
+
+ p_data->p_payload_end = p_data->p_payload_start + p_pes->i_pes_size;
+ p_data->b_discard_payload = 0;
input_DecodePES( p_stream->p_es->p_decoder_fifo, p_pes );
}
memset( p_stream, 0, sizeof(logical_stream_t) );
/* Setup the logical stream */
- p_stream->i_pages_read++;
p_stream->i_serial_no = ogg_page_serialno( &oggpage );
ogg_stream_init( &p_stream->os, p_stream->i_serial_no );
p_stream->i_cat = AUDIO_ES;
p_stream->i_fourcc = VLC_FOURCC( 'v','o','r','b' );
+ /* Signal that we want to keep a backup of the vorbis
+ * stream headers. They will be used when switching between
+ * audio streams. */
+ p_stream->b_force_backup = 1;
+
/* Cheat and get additionnal info ;) */
oggpack_readinit( &opb, oggpacket.packet, oggpacket.bytes);
oggpack_adv( &opb, 88 );
p_stream->i_channels = oggpack_read( &opb, 8 );
- p_stream->i_rate = oggpack_read( &opb, 32 );
+ p_stream->f_rate = oggpack_read( &opb, 32 );
oggpack_adv( &opb, 32 );
p_stream->i_bitrate = oggpack_read( &opb, 32 );
+ {
+ char title[sizeof("Stream") + 10];
+ input_info_category_t *p_cat;
+ sprintf( title, "Stream %d", p_ogg->i_streams );
+ p_cat = input_InfoCategory( p_input, title );
+ input_AddInfo( p_cat, _("Type"), _("Audio") );
+ input_AddInfo( p_cat, _("Codec"), _("Vorbis") );
+ input_AddInfo( p_cat, _("Sample Rate"), "%f",
+ p_stream->f_rate );
+ input_AddInfo( p_cat, _("Channels"), "%d",
+ p_stream->i_channels );
+ input_AddInfo( p_cat, _("Bit Rate"), "%d",
+ p_stream->i_bitrate );
+ }
+ }
+ /* Check for Theora header */
+ else if( oggpacket.bytes >= 7 &&
+ ! strncmp( &oggpacket.packet[1], "theora", 6 ) )
+ {
+#ifdef HAVE_OGGPACKB
+ oggpack_buffer opb;
+ int i_fps_numerator;
+ int i_fps_denominator;
+ int i_keyframe_frequency_force;
+#endif
+
+ msg_Dbg( p_input, "found theora header" );
+#ifdef HAVE_OGGPACKB
+ p_stream->i_cat = VIDEO_ES;
+ p_stream->i_fourcc = VLC_FOURCC( 't','h','e','o' );
+
+ /* Signal that we want to keep a backup of the vorbis
+ * stream headers. They will be used when switching between
+ * audio streams. */
+ p_stream->b_force_backup = 1;
+
+ /* Cheat and get additionnal info ;) */
+ oggpackB_readinit(&opb, oggpacket.packet, oggpacket.bytes);
+ oggpackB_adv( &opb, 56 );
+ oggpackB_read( &opb, 8 ); /* major version num */
+ oggpackB_read( &opb, 8 ); /* minor version num */
+ oggpackB_read( &opb, 8 ); /* subminor version num */
+ oggpackB_read( &opb, 16 ) /*<< 4*/; /* width */
+ oggpackB_read( &opb, 16 ) /*<< 4*/; /* height */
+ oggpackB_read( &opb, 24 ); /* frame width */
+ oggpackB_read( &opb, 24 ); /* frame height */
+ oggpackB_read( &opb, 8 ); /* x offset */
+ oggpackB_read( &opb, 8 ); /* y offset */
+
+ i_fps_numerator = oggpackB_read( &opb, 32 );
+ i_fps_denominator = oggpackB_read( &opb, 32 );
+ oggpackB_read( &opb, 24 ); /* aspect_numerator */
+ oggpackB_read( &opb, 24 ); /* aspect_denominator */
+ i_keyframe_frequency_force = 1 << oggpackB_read( &opb, 5 );
+ oggpackB_read( &opb, 8 ); /* colorspace */
+ p_stream->i_bitrate = oggpackB_read( &opb, 24 );
+ oggpackB_read( &opb, 6 ); /* quality */
+
+ /* granule_shift = i_log( frequency_force -1 ) */
+ p_stream->i_theora_keyframe_granule_shift = 0;
+ i_keyframe_frequency_force--;
+ while( i_keyframe_frequency_force )
+ {
+ p_stream->i_theora_keyframe_granule_shift++;
+ i_keyframe_frequency_force >>= 1;
+ }
+
+ p_stream->f_rate = ((float)i_fps_numerator) /
+ i_fps_denominator;
+ msg_Dbg( p_input,
+ "found theora header, bitrate: %i, rate: %f",
+ p_stream->i_bitrate, p_stream->f_rate );
+ {
+ char title[sizeof("Stream") + 10];
+ input_info_category_t *p_cat;
+ sprintf( title, "Stream %d", p_ogg->i_streams );
+ p_cat = input_InfoCategory( p_input, title );
+ input_AddInfo( p_cat, _("Type"), _("Video") );
+ input_AddInfo( p_cat, _("Codec"), _("Theora") );
+ input_AddInfo( p_cat, _("Frame Rate"), "%f",
+ p_stream->f_rate );
+ input_AddInfo( p_cat, _("Bit Rate"), "%d",
+ p_stream->i_bitrate );
+ }
+#else /* HAVE_OGGPACKB */
+ msg_Dbg( p_input, "the ogg demuxer has been compiled "
+ "without support for the oggpackB extension."
+ "The theora stream won't be decoded." );
+ free( p_stream );
+ p_ogg->i_streams--;
+ continue;
+#endif /* HAVE_OGGPACKB */
+ }
+ /* Check for Tarkin header */
+ else if( oggpacket.bytes >= 7 &&
+ ! strncmp( &oggpacket.packet[1], "tarkin", 6 ) )
+ {
+ oggpack_buffer opb;
+
+ msg_Dbg( p_input, "found tarkin header" );
+ p_stream->i_cat = VIDEO_ES;
+ p_stream->i_fourcc = VLC_FOURCC( 't','a','r','k' );
+
+ /* Cheat and get additionnal info ;) */
+ oggpack_readinit( &opb, oggpacket.packet, oggpacket.bytes);
+ oggpack_adv( &opb, 88 );
+ oggpack_adv( &opb, 104 );
+ p_stream->i_bitrate = oggpack_read( &opb, 32 );
+ p_stream->f_rate = 2; /* FIXME */
+ msg_Dbg( p_input,
+ "found tarkin header, bitrate: %i, rate: %f",
+ p_stream->i_bitrate, p_stream->f_rate );
+ {
+ char title[sizeof("Stream") + 10];
+ input_info_category_t *p_cat;
+ sprintf( title, "Stream %d", p_ogg->i_streams );
+ p_cat = input_InfoCategory( p_input, title );
+ input_AddInfo( p_cat, _("Type"), _("Video") );
+ input_AddInfo( p_cat, _("Codec"), _("tarkin") );
+ input_AddInfo( p_cat, _("Sample Rate"), "%f",
+ p_stream->f_rate );
+ input_AddInfo( p_cat, _("Bit Rate"), "%d",
+ p_stream->i_bitrate );
+ }
+
+ }
+ else if( oggpacket.bytes >= 142 &&
+ !strncmp( &oggpacket.packet[1],
+ "Direct Show Samples embedded in Ogg", 35 ))
+ {
+ /* Old header type */
+
+ /* Check for video header (old format) */
+ if( GetDWLE((oggpacket.packet+96)) == 0x05589f80 &&
+ oggpacket.bytes >= 184 )
+ {
+ p_stream->i_cat = VIDEO_ES;
+
+ p_stream->p_bih = (BITMAPINFOHEADER *)
+ malloc( sizeof(BITMAPINFOHEADER) );
+ if( !p_stream->p_bih )
+ {
+ /* Mem allocation error, just ignore the stream */
+ free( p_stream );
+ p_ogg->i_streams--;
+ continue;
+ }
+ p_stream->p_bih->biSize = sizeof(BITMAPINFOHEADER);
+ p_stream->p_bih->biCompression= p_stream->i_fourcc =
+ VLC_FOURCC( oggpacket.packet[68],
+ oggpacket.packet[69],
+ oggpacket.packet[70],
+ oggpacket.packet[71] );
+ msg_Dbg( p_input, "found video header of type: %.4s",
+ (char *)&p_stream->i_fourcc );
+
+ p_stream->f_rate = 10000000.0 /
+ GetQWLE((oggpacket.packet+164));
+ p_stream->p_bih->biBitCount =
+ GetWLE((oggpacket.packet+182));
+ if( !p_stream->p_bih->biBitCount )
+ p_stream->p_bih->biBitCount=24; // hack, FIXME
+ p_stream->p_bih->biWidth =
+ GetDWLE((oggpacket.packet+176));
+ p_stream->p_bih->biHeight =
+ GetDWLE((oggpacket.packet+180));
+ p_stream->p_bih->biPlanes= 1 ;
+ p_stream->p_bih->biSizeImage =
+ (p_stream->p_bih->biBitCount >> 3) *
+ p_stream->p_bih->biWidth *
+ p_stream->p_bih->biHeight;
+
+ msg_Dbg( p_input,
+ "fps: %f, width:%i; height:%i, bitcount:%i",
+ p_stream->f_rate, p_stream->p_bih->biWidth,
+ p_stream->p_bih->biHeight,
+ p_stream->p_bih->biBitCount);
+ {
+ char title[sizeof("Stream") + 10];
+ input_info_category_t *p_cat;
+ sprintf( title, "Stream %d", p_ogg->i_streams );
+ p_cat = input_InfoCategory( p_input, title );
+ input_AddInfo( p_cat, _("Type"), _("Video") );
+ input_AddInfo( p_cat, _("Codec"), "%.4s",
+ (char *)&p_stream->i_fourcc );
+ input_AddInfo( p_cat, _("Frame Rate"), "%f",
+ p_stream->f_rate );
+ input_AddInfo( p_cat, _("Bit Count"), "%d",
+ p_stream->p_bih->biBitCount );
+ input_AddInfo( p_cat, _("Width"), "%d",
+ p_stream->p_bih->biWidth );
+ input_AddInfo( p_cat, _("Height"), "%d",
+ p_stream->p_bih->biHeight );
+ }
+ p_stream->i_bitrate = 0;
+ }
+ /* Check for audio header (old format) */
+ else if( GetDWLE((oggpacket.packet+96)) == 0x05589F81 )
+ {
+ unsigned int i_extra_size;
+
+ p_stream->i_cat = AUDIO_ES;
+
+ i_extra_size = GetWLE((oggpacket.packet+140));
+
+ p_stream->p_wf = (WAVEFORMATEX *)
+ malloc( sizeof(WAVEFORMATEX) + i_extra_size );
+ if( !p_stream->p_wf )
+ {
+ /* Mem allocation error, just ignore the stream */
+ free( p_stream );
+ p_ogg->i_streams--;
+ continue;
+ }
+
+ p_stream->p_wf->wFormatTag =
+ GetWLE((oggpacket.packet+124));
+ p_stream->p_wf->nChannels =
+ GetWLE((oggpacket.packet+126));
+ p_stream->f_rate = p_stream->p_wf->nSamplesPerSec =
+ GetDWLE((oggpacket.packet+128));
+ p_stream->i_bitrate = p_stream->p_wf->nAvgBytesPerSec =
+ GetDWLE((oggpacket.packet+132));
+ p_stream->i_bitrate *= 8;
+ p_stream->p_wf->nBlockAlign =
+ GetWLE((oggpacket.packet+136));
+ p_stream->p_wf->wBitsPerSample =
+ GetWLE((oggpacket.packet+138));
+ p_stream->p_wf->cbSize = i_extra_size;
+
+ if( i_extra_size > 0 )
+ memcpy( p_stream->p_wf+sizeof(WAVEFORMATEX),
+ oggpacket.packet+142, i_extra_size );
+
+ switch( p_stream->p_wf->wFormatTag )
+ {
+ case WAVE_FORMAT_PCM:
+ p_stream->i_fourcc =
+ VLC_FOURCC( 'a', 'r', 'a', 'w' );
+ break;
+ case WAVE_FORMAT_MPEG:
+ case WAVE_FORMAT_MPEGLAYER3:
+ p_stream->i_fourcc =
+ VLC_FOURCC( 'm', 'p', 'g', 'a' );
+ break;
+ case WAVE_FORMAT_A52:
+ p_stream->i_fourcc =
+ VLC_FOURCC( 'a', '5', '2', ' ' );
+ break;
+ case WAVE_FORMAT_WMA1:
+ p_stream->i_fourcc =
+ VLC_FOURCC( 'w', 'm', 'a', '1' );
+ break;
+ case WAVE_FORMAT_WMA2:
+ p_stream->i_fourcc =
+ VLC_FOURCC( 'w', 'm', 'a', '2' );
+ break;
+ default:
+ p_stream->i_fourcc = VLC_FOURCC( 'm', 's',
+ ( p_stream->p_wf->wFormatTag >> 8 ) & 0xff,
+ p_stream->p_wf->wFormatTag & 0xff );
+ }
+
+ msg_Dbg( p_input, "found audio header of type: %.4s",
+ (char *)&p_stream->i_fourcc );
+ msg_Dbg( p_input, "audio:0x%4.4x channels:%d %dHz "
+ "%dbits/sample %dkb/s",
+ p_stream->p_wf->wFormatTag,
+ p_stream->p_wf->nChannels,
+ p_stream->p_wf->nSamplesPerSec,
+ p_stream->p_wf->wBitsPerSample,
+ p_stream->p_wf->nAvgBytesPerSec * 8 / 1024 );
+ {
+ char title[sizeof("Stream") + 10];
+ input_info_category_t *p_cat;
+ sprintf( title, "Stream %d", p_ogg->i_streams );
+ p_cat = input_InfoCategory( p_input, title );
+ input_AddInfo( p_cat, _("Type"), _("Audio") );
+ input_AddInfo( p_cat, _("Codec"), "%.4s",
+ (char *)&p_stream->i_fourcc );
+ input_AddInfo( p_cat, _("Sample Rate"), "%d",
+ p_stream->p_wf->nSamplesPerSec );
+ input_AddInfo( p_cat, _("Bit Rate"), "%d",
+ p_stream->p_wf->nAvgBytesPerSec * 8
+ / 1024 );
+ input_AddInfo( p_cat, _("Channels"), "%d",
+ p_stream->p_wf->nChannels );
+ input_AddInfo( p_cat, _("Bits per Sample"), "%d",
+ p_stream->p_wf->wBitsPerSample );
+ }
+
+ }
+ else
+ {
+ msg_Dbg( p_input, "stream %d has an old header "
+ "but is of an unknown type", p_ogg->i_streams-1 );
+ free( p_stream );
+ p_ogg->i_streams--;
+ }
+ }
+ else if( (*oggpacket.packet & PACKET_TYPE_BITS )
+ == PACKET_TYPE_HEADER &&
+ oggpacket.bytes >= (int)sizeof(stream_header)+1 )
+ {
+ stream_header *st = (stream_header *)(oggpacket.packet+1);
+
+ /* Check for video header (new format) */
+ if( !strncmp( st->streamtype, "video", 5 ) )
+ {
+ p_stream->i_cat = VIDEO_ES;
+
+ /* We need to get rid of the header packet */
+ ogg_stream_packetout( &p_stream->os, &oggpacket );
+
+ p_stream->p_bih = (BITMAPINFOHEADER *)
+ malloc( sizeof(BITMAPINFOHEADER) );
+ if( !p_stream->p_bih )
+ {
+ /* Mem allocation error, just ignore the stream */
+ free( p_stream );
+ p_ogg->i_streams--;
+ continue;
+ }
+ p_stream->p_bih->biSize = sizeof(BITMAPINFOHEADER);
+ p_stream->p_bih->biCompression=
+ p_stream->i_fourcc = VLC_FOURCC( st->subtype[0],
+ st->subtype[1],
+ st->subtype[2],
+ st->subtype[3] );
+ msg_Dbg( p_input, "found video header of type: %.4s",
+ (char *)&p_stream->i_fourcc );
+
+ p_stream->f_rate = 10000000.0 /
+ GetQWLE(&st->time_unit);
+ p_stream->p_bih->biBitCount =
+ GetWLE(&st->bits_per_sample);
+ p_stream->p_bih->biWidth =
+ GetDWLE(&st->sh.video.width);
+ p_stream->p_bih->biHeight =
+ GetDWLE(&st->sh.video.height);
+ p_stream->p_bih->biPlanes= 1 ;
+ p_stream->p_bih->biSizeImage =
+ (p_stream->p_bih->biBitCount >> 3) *
+ p_stream->p_bih->biWidth *
+ p_stream->p_bih->biHeight;
+
+ msg_Dbg( p_input,
+ "fps: %f, width:%i; height:%i, bitcount:%i",
+ p_stream->f_rate, p_stream->p_bih->biWidth,
+ p_stream->p_bih->biHeight,
+ p_stream->p_bih->biBitCount);
+
+ {
+ char title[sizeof("Stream") + 10];
+ input_info_category_t *p_cat;
+ sprintf( title, "Stream %d", p_ogg->i_streams );
+ p_cat = input_InfoCategory( p_input, title );
+ input_AddInfo( p_cat, _("Type"), _("Video") );
+ input_AddInfo( p_cat, _("Codec"), "%.4s",
+ (char *)&p_stream->i_fourcc );
+ input_AddInfo( p_cat, _("Frame Rate"), "%f",
+ p_stream->f_rate );
+ input_AddInfo( p_cat, _("Bit Count"), "%d",
+ p_stream->p_bih->biBitCount );
+ input_AddInfo( p_cat, _("Width"), "%d",
+ p_stream->p_bih->biWidth );
+ input_AddInfo( p_cat, _("Height"), "%d",
+ p_stream->p_bih->biHeight );
+ }
+ p_stream->i_bitrate = 0;
+ }
+ /* Check for audio header (new format) */
+ else if( !strncmp( st->streamtype, "audio", 5 ) )
+ {
+ char p_buffer[5];
+
+ p_stream->i_cat = AUDIO_ES;
+
+ /* We need to get rid of the header packet */
+ ogg_stream_packetout( &p_stream->os, &oggpacket );
+
+ p_stream->p_wf = (WAVEFORMATEX *)
+ malloc( sizeof(WAVEFORMATEX) );
+ if( !p_stream->p_wf )
+ {
+ /* Mem allocation error, just ignore the stream */
+ free( p_stream );
+ p_ogg->i_streams--;
+ continue;
+ }
+
+ memcpy( p_buffer, st->subtype, 4 );
+ p_buffer[4] = '\0';
+ p_stream->p_wf->wFormatTag = strtol(p_buffer,NULL,16);
+ p_stream->p_wf->nChannels =
+ GetWLE(&st->sh.audio.channels);
+ p_stream->f_rate = p_stream->p_wf->nSamplesPerSec =
+ GetQWLE(&st->samples_per_unit);
+ p_stream->i_bitrate = p_stream->p_wf->nAvgBytesPerSec =
+ GetDWLE(&st->sh.audio.avgbytespersec);
+ p_stream->i_bitrate *= 8;
+ p_stream->p_wf->nBlockAlign =
+ GetWLE(&st->sh.audio.blockalign);
+ p_stream->p_wf->wBitsPerSample =
+ GetWLE(&st->bits_per_sample);
+ p_stream->p_wf->cbSize = 0;
+
+ switch( p_stream->p_wf->wFormatTag )
+ {
+ case WAVE_FORMAT_PCM:
+ p_stream->i_fourcc =
+ VLC_FOURCC( 'a', 'r', 'a', 'w' );
+ break;
+ case WAVE_FORMAT_MPEG:
+ case WAVE_FORMAT_MPEGLAYER3:
+ p_stream->i_fourcc =
+ VLC_FOURCC( 'm', 'p', 'g', 'a' );
+ break;
+ case WAVE_FORMAT_A52:
+ p_stream->i_fourcc =
+ VLC_FOURCC( 'a', '5', '2', ' ' );
+ break;
+ case WAVE_FORMAT_WMA1:
+ p_stream->i_fourcc =
+ VLC_FOURCC( 'w', 'm', 'a', '1' );
+ break;
+ case WAVE_FORMAT_WMA2:
+ p_stream->i_fourcc =
+ VLC_FOURCC( 'w', 'm', 'a', '2' );
+ break;
+ default:
+ p_stream->i_fourcc = VLC_FOURCC( 'm', 's',
+ ( p_stream->p_wf->wFormatTag >> 8 ) & 0xff,
+ p_stream->p_wf->wFormatTag & 0xff );
+ }
+
+ msg_Dbg( p_input, "found audio header of type: %.4s",
+ (char *)&p_stream->i_fourcc );
+ msg_Dbg( p_input, "audio:0x%4.4x channels:%d %dHz "
+ "%dbits/sample %dkb/s",
+ p_stream->p_wf->wFormatTag,
+ p_stream->p_wf->nChannels,
+ p_stream->p_wf->nSamplesPerSec,
+ p_stream->p_wf->wBitsPerSample,
+ p_stream->p_wf->nAvgBytesPerSec * 8 / 1024 );
+ {
+ char title[sizeof("Stream") + 10];
+ input_info_category_t *p_cat;
+ sprintf( title, "Stream %d", p_ogg->i_streams );
+ p_cat = input_InfoCategory( p_input, title );
+ input_AddInfo( p_cat, _("Type"), _("Audio") );
+ input_AddInfo( p_cat, _("Codec"), "%.4s",
+ (char *)&p_stream->i_fourcc );
+ input_AddInfo( p_cat, _("Sample Rate"), "%d",
+ p_stream->p_wf->nSamplesPerSec );
+ input_AddInfo( p_cat, _("Bit Rate"), "%d",
+ p_stream->p_wf->nAvgBytesPerSec * 8
+ / 1024 );
+ input_AddInfo( p_cat, _("Channels"), "%d",
+ p_stream->p_wf->nChannels );
+ input_AddInfo( p_cat, _("Bits per Sample"), "%d",
+ p_stream->p_wf->wBitsPerSample );
+ }
+ }
+ /* Check for text (subtitles) header */
+ else if( !strncmp(st->streamtype, "text", 4) )
+ {
+ /* We need to get rid of the header packet */
+ ogg_stream_packetout( &p_stream->os, &oggpacket );
+
+ msg_Dbg( p_input, "found text subtitles header" );
+ p_stream->i_cat = SPU_ES;
+ p_stream->i_fourcc =
+ VLC_FOURCC( 's', 'u', 'b', 't' );
+ p_stream->f_rate = 1000; /* granulepos is in milisec */
+ }
+ else
+ {
+ msg_Dbg( p_input, "stream %d has a header marker "
+ "but is of an unknown type", p_ogg->i_streams-1 );
+ free( p_stream );
+ p_ogg->i_streams--;
+ }
}
else
{
- msg_Dbg( p_input, "found unknown codec" );
- ogg_stream_destroy( &p_stream->os );
+ msg_Dbg( p_input, "stream %d is of unknown type",
+ p_ogg->i_streams-1 );
free( p_stream );
p_ogg->i_streams--;
}
if( ogg_stream_pagein( &p_ogg->pp_stream[i_stream]->os,
&oggpage ) == 0 )
{
- p_ogg->pp_stream[i_stream]->i_pages_read++;
break;
}
}
memset( p_ogg, 0, sizeof( demux_sys_t ) );
p_input->p_demux_data = p_ogg;
- p_ogg->i_time = 0;
p_ogg->i_pcr = 0;
p_ogg->b_seekable = ( ( p_input->stream.b_seekable )
&&( p_input->stream.i_method == INPUT_METHOD_FILE ) );
/* Set the demux function */
p_input->pf_demux = Demux;
+ p_input->pf_demux_control = demux_vaControlDefault;
/* Initialize access plug-in structures. */
if( p_input->i_mtu == 0 )
vlc_mutex_unlock( &p_input->stream.stream_lock );
msg_Err( p_input, "cannot init stream" );
goto error;
- }
+ }
if( input_AddProgram( p_input, 0, 0) == NULL )
{
vlc_mutex_unlock( &p_input->stream.stream_lock );
goto error;
}
p_input->stream.p_selected_program = p_input->stream.pp_programs[0];
- vlc_mutex_unlock( &p_input->stream.stream_lock );
+ p_input->stream.i_mux_rate = 0;
+ vlc_mutex_unlock( &p_input->stream.stream_lock );
for( i_stream = 0 ; i_stream < p_ogg->i_streams; i_stream++ )
{
vlc_mutex_lock( &p_input->stream.stream_lock );
p_stream->p_es = input_AddES( p_input,
p_input->stream.p_selected_program,
- p_ogg->i_streams + 1, 0 );
+ i_stream,
+ p_stream->i_cat, NULL, 0 );
+ p_input->stream.i_mux_rate += (p_stream->i_bitrate / ( 8 * 50 ));
vlc_mutex_unlock( &p_input->stream.stream_lock );
p_stream->p_es->i_stream_id = i_stream;
p_stream->p_es->i_fourcc = p_stream->i_fourcc;
- p_stream->p_es->i_cat = p_stream->i_cat;
+ p_stream->p_es->p_waveformatex = (void*)p_stream->p_wf;
+ p_stream->p_es->p_bitmapinfoheader = (void*)p_stream->p_bih;
#undef p_stream
}
- vlc_mutex_lock( &p_input->stream.stream_lock );
- p_input->stream.i_mux_rate = 0;
- vlc_mutex_unlock( &p_input->stream.stream_lock );
-
for( i_stream = 0; i_stream < p_ogg->i_streams; i_stream++ )
{
#define p_stream p_ogg->pp_stream[i_stream]
switch( p_stream->p_es->i_cat )
{
case( VIDEO_ES ):
-
if( (p_ogg->p_stream_video == NULL) )
{
p_ogg->p_stream_video = p_stream;
break;
case( AUDIO_ES ):
- if( (p_ogg->p_stream_audio == NULL) )
+ if( (p_ogg->p_stream_audio == NULL) )
{
- p_ogg->p_stream_audio = p_stream;
- Ogg_StreamStart( p_input, p_ogg, i_stream );
+ int i_audio = config_GetInt( p_input, "audio-channel" );
+ if( i_audio == i_stream || i_audio <= 0 ||
+ i_audio >= p_ogg->i_streams ||
+ p_ogg->pp_stream[i_audio]->p_es->i_cat != AUDIO_ES )
+ {
+ p_ogg->p_stream_audio = p_stream;
+ Ogg_StreamStart( p_input, p_ogg, i_stream );
+ }
+ }
+ break;
+
+ case( SPU_ES ):
+ if( (p_ogg->p_stream_spu == NULL) )
+ {
+ /* for spu, default is none */
+ int i_spu = config_GetInt( p_input, "spu-channel" );
+ if( i_spu < 0 || i_spu >= p_ogg->i_streams ||
+ p_ogg->pp_stream[i_spu]->p_es->i_cat != SPU_ES )
+ {
+ break;
+ }
+ else if( i_spu == i_stream )
+ {
+ p_ogg->p_stream_spu = p_stream;
+ Ogg_StreamStart( p_input, p_ogg, i_stream );
+ }
}
break;
p_input->stream.p_selected_program->b_is_ok = 1;
vlc_mutex_unlock( &p_input->stream.stream_lock );
+ /* Call the pace control */
+ input_ClockManageRef( p_input,
+ p_input->stream.p_selected_program,
+ p_ogg->i_pcr );
+
return 0;
error:
{
input_thread_t *p_input = (input_thread_t *)p_this;
demux_sys_t *p_ogg = (demux_sys_t *)p_input->p_demux_data ;
- int i;
+ int i, j;
if( p_ogg )
{
for( i = 0; i < p_ogg->i_streams; i++ )
{
ogg_stream_clear( &p_ogg->pp_stream[i]->os );
+ for( j = 0; j < p_ogg->pp_stream[i]->i_packets_backup; j++ )
+ {
+ free( p_ogg->pp_stream[i]->p_packets_backup[j].packet );
+ }
+ if( p_ogg->pp_stream[i]->p_packets_backup)
+ free( p_ogg->pp_stream[i]->p_packets_backup );
+#if 0 /* hmmm, it's already freed in input_DelES() */
+ if( p_ogg->pp_stream[i]->p_bih )
+ free( p_ogg->pp_stream[i]->p_bih );
+ if( p_ogg->pp_stream[i]->p_wf )
+ free( p_ogg->pp_stream[i]->p_wf );
+#endif
free( p_ogg->pp_stream[i] );
}
if( p_ogg->pp_stream ) free( p_ogg->pp_stream );
*****************************************************************************/
static int Demux( input_thread_t * p_input )
{
- int i, i_stream, b_eos;
+ int i, i_stream, b_eos = 0;
ogg_page oggpage;
ogg_packet oggpacket;
demux_sys_t *p_ogg = (demux_sys_t *)p_input->p_demux_data;
}
}
- /* search new video and audio stream selected
+ /* search for new video and audio stream to select
* if current have been unselected */
if( ( !p_ogg->p_stream_video )
|| ( !p_ogg->p_stream_video->p_es->p_decoder_fifo ) )
}
}
- /* Update program clock reference */
- p_ogg->i_pcr = p_ogg->i_time * 9 / 100;
-
- if( (p_input->stream.p_selected_program->i_synchro_state == SYNCHRO_REINIT)
- || (input_ClockManageControl( p_input,
- p_input->stream.p_selected_program,
- (mtime_t)0 ) == PAUSE_S) )
+ if( p_input->stream.p_selected_program->i_synchro_state == SYNCHRO_REINIT )
{
msg_Warn( p_input, "synchro reinit" );
- p_input->stream.p_selected_program->i_synchro_state = SYNCHRO_OK;
+
+ /* An ogg packet does only contain the starting date of the next
+ * packet, not its own starting date.
+ * As a quick work around, we just skip an oggpage */
+
+ for( i_stream = 0; i_stream < p_ogg->i_streams; i_stream++ )
+ {
+ /* we'll trash all the data until we find the next pcr */
+ p_stream->b_reinit = 1;
+ p_stream->i_pcr = -1;
+ p_stream->i_interpolated_pcr = -1;
+ }
+ p_ogg->b_reinit = 1;
}
- /* Call the pace control. */
- input_ClockManageRef( p_input,
- p_input->stream.p_selected_program,
- p_ogg->i_pcr );
- /* Demux ogg pages from the stream */
- b_eos = 0;
- for( i = 0; i < PAGES_READ_ONCE; i++ )
+ /*
+ * Demux ogg pages from the stream
+ */
+ for( i = 0; i < PAGES_READ_ONCE || p_ogg->b_reinit; i++ )
{
- if( Ogg_ReadPage(p_input, p_ogg, &oggpage ) != VLC_SUCCESS )
+ if( Ogg_ReadPage( p_input, p_ogg, &oggpage ) != VLC_SUCCESS )
{
b_eos = 1;
break;
for( i_stream = 0; i_stream < p_ogg->i_streams; i_stream++ )
{
- /* FIXME: we already read the header */
-
if( ogg_stream_pagein( &p_stream->os, &oggpage ) != 0 )
continue;
while( ogg_stream_packetout( &p_stream->os, &oggpacket ) > 0 )
{
- /* FIXME: handle discontinuity */
-
- if( !p_stream->p_es ||
- !p_stream->p_es->p_decoder_fifo )
+ if( !p_stream->p_es )
{
break;
}
- if( oggpacket.granulepos >= 0 )
- p_ogg->i_time = oggpacket.granulepos * 1000000
- / p_stream->i_rate;
- else
- p_ogg->i_time += (oggpacket.bytes * 1000000
- / p_stream->i_bitrate);
+ if( p_stream->b_reinit )
+ {
+ if( oggpacket.granulepos >= 0 )
+ {
+ p_stream->b_reinit = 0;
+
+ /* Convert the next granulepos into a pcr */
+ Ogg_UpdatePCR( p_stream, &oggpacket );
+
+ /* Call the pace control to reinitialize
+ * the system clock */
+ input_ClockManageRef( p_input,
+ p_input->stream.p_selected_program,
+ p_stream->i_pcr );
+
+ if( (!p_ogg->p_stream_video ||
+ !p_ogg->p_stream_video->b_reinit) &&
+ (!p_ogg->p_stream_audio ||
+ !p_ogg->p_stream_audio->b_reinit) )
+ {
+ p_ogg->b_reinit = 0;
+ }
+ }
+ continue;
+ }
Ogg_DecodePacket( p_input, p_stream, &oggpacket );
+
}
}
-#undef p_stream
}
+ i_stream = 0;
+ p_ogg->i_old_pcr = p_ogg->i_pcr;
+ p_ogg->i_pcr = p_stream->i_interpolated_pcr;
+ for( ; i_stream < p_ogg->i_streams; i_stream++ )
+ {
+ if( p_stream->i_cat == SPU_ES )
+ continue;
+
+ if( p_stream->i_interpolated_pcr > 0
+ && p_stream->i_interpolated_pcr < p_ogg->i_pcr )
+ p_ogg->i_pcr = p_stream->i_interpolated_pcr;
+ }
+#undef p_stream
+
+ /* This is for streams where the granulepos of the header packets
+ * don't match these of the data packets (eg. ogg web radios). */
+ if( p_ogg->i_old_pcr == 0 && p_ogg->i_pcr > 3 * DEFAULT_PTS_DELAY * 9/100 )
+ p_input->stream.p_selected_program->i_synchro_state = SYNCHRO_REINIT;
+
+ /* Call the pace control */
+ input_ClockManageRef( p_input, p_input->stream.p_selected_program,
+ p_ogg->i_pcr );
+
/* Did we reach the end of stream ? */
return( b_eos ? 0 : 1 );
}
projects / vlc / blobdiff