/*****************************************************************************
* ogg.c : ogg stream demux module for vlc
*****************************************************************************
- * Copyright (C) 2001-2007 the VideoLAN team
+ * Copyright (C) 2001-2007 VLC authors and VideoLAN
* $Id$
*
* Authors: Gildas Bazin <gbazin@netcourrier.com>
* Andre Pang <Andre.Pang@csiro.au> (Annodex support)
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
#include <vlc_common.h>
#include <vlc_plugin.h>
+#include <vlc_access.h>
#include <vlc_demux.h>
#include <vlc_meta.h>
#include <vlc_input.h>
#include <vlc_codecs.h>
#include <vlc_bits.h>
#include "xiph.h"
-#include "vorbis.h"
-#include "kate_categories.h"
+#include "xiph_metadata.h"
#include "ogg.h"
#include "oggseek.h"
+#include "opus.h"
/*****************************************************************************
* Module descriptor
} sh;
} stream_header_t;
-
-/* 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
+#define VORBIS_HEADER_IDENTIFICATION 1
+#define VORBIS_HEADER_COMMENT 2
+#define VORBIS_HEADER_SETUP 3
+#define VORBIS_HEADER_TO_FLAG(i) (1 << (i - 1))
+#define VORBIS_HEADERS_VALID(p_stream) \
+ ((p_stream->special.vorbis.i_headers_flags & 0x07) == 0x07) // 0b111
/*****************************************************************************
* Local prototypes
/* Bitstream manipulation */
static int Ogg_ReadPage ( demux_t *, ogg_page * );
-static void Ogg_UpdatePCR ( logical_stream_t *, ogg_packet * );
+static void Ogg_UpdatePCR ( demux_t *, logical_stream_t *, ogg_packet * );
static void Ogg_DecodePacket ( demux_t *, logical_stream_t *, ogg_packet * );
-static int Ogg_OpusPacketDuration( logical_stream_t *, ogg_packet * );
+static int Ogg_OpusPacketDuration( ogg_packet * );
+static void Ogg_SendOrQueueBlocks( demux_t *, logical_stream_t *, block_t * );
+static void Ogg_CreateES( demux_t *p_demux );
static int Ogg_BeginningOfStream( demux_t *p_demux );
static int Ogg_FindLogicalStreams( demux_t *p_demux );
static void Ogg_EndOfStream( demux_t *p_demux );
/* */
static void Ogg_LogicalStreamDelete( demux_t *p_demux, logical_stream_t *p_stream );
static bool Ogg_LogicalStreamResetEsFormat( demux_t *p_demux, logical_stream_t *p_stream );
+static void Ogg_ResetStream( logical_stream_t *p_stream );
/* */
-static void Ogg_ExtractMeta( demux_t *p_demux, vlc_fourcc_t i_codec, const uint8_t *p_headers, int i_headers );
+static void Ogg_ExtractMeta( demux_t *p_demux, es_format_t *p_fmt, const uint8_t *p_headers, int i_headers );
/* Logical bitstream headers */
-static void Ogg_ReadTheoraHeader( demux_t *, logical_stream_t *, ogg_packet * );
-static void Ogg_ReadVorbisHeader( logical_stream_t *, ogg_packet * );
-static void Ogg_ReadSpeexHeader( logical_stream_t *, ogg_packet * );
-static void Ogg_ReadOpusHeader( demux_t *, logical_stream_t *, ogg_packet * );
-static void Ogg_ReadKateHeader( logical_stream_t *, ogg_packet * );
-static void Ogg_ReadFlacHeader( demux_t *, logical_stream_t *, ogg_packet * );
+static bool Ogg_ReadDaalaHeader( logical_stream_t *, ogg_packet * );
+static bool Ogg_ReadTheoraHeader( logical_stream_t *, ogg_packet * );
+static bool Ogg_ReadVorbisHeader( logical_stream_t *, ogg_packet * );
+static bool Ogg_ReadSpeexHeader( logical_stream_t *, ogg_packet * );
+static void Ogg_ReadOpusHeader( logical_stream_t *, ogg_packet * );
+static bool Ogg_ReadKateHeader( logical_stream_t *, ogg_packet * );
+static bool Ogg_ReadFlacHeader( demux_t *, logical_stream_t *, ogg_packet * );
static void Ogg_ReadAnnodexHeader( demux_t *, logical_stream_t *, ogg_packet * );
static bool Ogg_ReadDiracHeader( logical_stream_t *, ogg_packet * );
+static bool Ogg_ReadVP8Header( demux_t *, logical_stream_t *, ogg_packet * );
+static void Ogg_ReadSkeletonHeader( demux_t *, logical_stream_t *, ogg_packet * );
+
+/* Skeleton */
+static void Ogg_ReadSkeletonBones( demux_t *, ogg_packet * );
+static void Ogg_ReadSkeletonIndex( demux_t *, ogg_packet * );
+static void Ogg_FreeSkeleton( ogg_skeleton_t * );
+static void Ogg_ApplySkeleton( logical_stream_t * );
+
+/* Special decoding */
+static void Ogg_CleanSpecificData( logical_stream_t * );
+#ifdef HAVE_LIBVORBIS
+static void Ogg_DecodeVorbisHeader( logical_stream_t *, ogg_packet *, int );
+#endif
+
+static void fill_channels_info(audio_format_t *audio)
+{
+ static const int pi_channels_map[9] =
+ {
+ 0,
+ AOUT_CHAN_CENTER,
+ AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
+ AOUT_CHAN_CENTER | AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
+ AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT
+ | AOUT_CHAN_REARRIGHT,
+ AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
+ | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT,
+ AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
+ | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT | AOUT_CHAN_LFE,
+ AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
+ | AOUT_CHAN_REARCENTER | AOUT_CHAN_MIDDLELEFT
+ | AOUT_CHAN_MIDDLERIGHT | AOUT_CHAN_LFE,
+ AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER | AOUT_CHAN_REARLEFT
+ | AOUT_CHAN_REARRIGHT | AOUT_CHAN_MIDDLELEFT | AOUT_CHAN_MIDDLERIGHT
+ | AOUT_CHAN_LFE,
+ };
+
+ unsigned chans = audio->i_channels;
+ if (chans < sizeof(pi_channels_map) / sizeof(pi_channels_map[0]))
+ audio->i_physical_channels =
+ audio->i_original_channels = pi_channels_map[chans];
+}
+
+/* Special TS value: don't send or derive any pts/pcr from it.
+ Represents TS state prior first known valid timestamp */
+#define VLC_TS_UNKNOWN (VLC_TS_INVALID - 1)
/*****************************************************************************
* Open: initializes ogg demux structures
demux_sys_t *p_sys;
const uint8_t *p_peek;
-
/* Check if we are dealing with an ogg stream */
if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
if( !p_demux->b_force && memcmp( p_peek, "OggS", 4 ) )
{
- return VLC_EGENERIC;
+ char *psz_mime = stream_ContentType( p_demux->s );
+ if( !psz_mime )
+ {
+ return VLC_EGENERIC;
+ }
+ else if ( strcmp( psz_mime, "application/ogg" ) &&
+ strcmp( psz_mime, "video/ogg" ) &&
+ strcmp( psz_mime, "audio/ogg" ) )
+ {
+ free( psz_mime );
+ return VLC_EGENERIC;
+ }
+ free( psz_mime );
}
- /* Set exported functions */
- p_demux->pf_demux = Demux;
- p_demux->pf_control = Control;
- p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
+ /* */
+ p_demux->p_sys = p_sys = calloc( 1, sizeof( demux_sys_t ) );
if( !p_sys )
return VLC_ENOMEM;
- memset( p_sys, 0, sizeof( demux_sys_t ) );
- p_sys->i_bitrate = 0;
- p_sys->pp_stream = NULL;
- p_sys->p_old_stream = NULL;
+ p_sys->i_length = -1;
+ p_sys->b_preparsing_done = false;
- /* Begnning of stream, tell the demux to look for elementary streams. */
- p_sys->i_bos = 0;
- p_sys->i_eos = 0;
+ stream_Control( p_demux->s, ACCESS_GET_PTS_DELAY, & p_sys->i_access_delay );
- p_sys->i_length = -1;
+ /* Set exported functions */
+ p_demux->pf_demux = Demux;
+ p_demux->pf_control = Control;
/* Initialize the Ogg physical bitstream parser */
ogg_sync_init( &p_sys->oy );
- p_sys->b_page_waiting = false;
/* */
- p_sys->p_meta = NULL;
+ TAB_INIT( p_sys->i_seekpoints, p_sys->pp_seekpoints );
+
+
+ while ( !p_sys->b_preparsing_done && p_demux->pf_demux( p_demux ) > 0 )
+ {}
return VLC_SUCCESS;
}
ogg_packet oggpacket;
int i_stream;
bool b_skipping = false;
+ bool b_canseek;
+ int i_active_streams = p_sys->i_streams;
+ for ( int i=0; i < p_sys->i_streams; i++ )
+ {
+ if ( p_sys->pp_stream[i]->b_finished )
+ i_active_streams--;
+ }
- if( p_sys->i_eos == p_sys->i_streams )
+ if ( i_active_streams == 0 )
{
- if( p_sys->i_eos )
+ if ( p_sys->i_streams ) /* All finished */
{
msg_Dbg( p_demux, "end of a group of logical streams" );
/* We keep the ES to try reusing it in Ogg_BeginningOfStream
TAB_CLEAN( p_sys->i_streams, p_sys->pp_stream );
}
Ogg_EndOfStream( p_demux );
+ p_sys->b_chained_boundary = true;
}
- p_sys->i_eos = 0;
if( Ogg_BeginningOfStream( p_demux ) != VLC_SUCCESS )
- return 0;
+ return VLC_DEMUXER_EOF;
msg_Dbg( p_demux, "beginning of a group of logical streams" );
- es_out_Control( p_demux->out, ES_OUT_SET_PCR, VLC_TS_0 );
+
+ if ( !p_sys->b_chained_boundary )
+ {
+ /* Find the real duration */
+ stream_Control( p_demux->s, STREAM_CAN_SEEK, &b_canseek );
+ if ( b_canseek )
+ Oggseek_ProbeEnd( p_demux );
+ }
+ else
+ {
+ p_sys->b_chained_boundary = false;
+ }
+ }
+
+ if ( p_sys->b_preparsing_done && !p_sys->b_es_created )
+ {
+ Ogg_CreateES( p_demux );
+ p_sys->b_es_created = true;
}
/*
* Demux an ogg page from the stream
*/
if( Ogg_ReadPage( p_demux, &p_sys->current_page ) != VLC_SUCCESS )
- return 0; /* EOF */
-
+ return VLC_DEMUXER_EOF; /* EOF */
/* Test for End of Stream */
if( ogg_page_eos( &p_sys->current_page ) )
- p_sys->i_eos++;
+ {
+ /* If we delayed restarting encoders/SET_ES_FMT for more
+ * skeleton provided configuration */
+ if ( p_sys->p_skelstream )
+ {
+ if ( p_sys->p_skelstream->i_serial_no == ogg_page_serialno(&p_sys->current_page) )
+ {
+ msg_Dbg( p_demux, "End of Skeleton" );
+ p_sys->b_preparsing_done = true;
+ for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
+ {
+ logical_stream_t *p_stream = p_sys->pp_stream[i_stream];
+ Ogg_ApplySkeleton( p_stream );
+ }
+ }
+ }
+
+ for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
+ {
+ if ( p_sys->pp_stream[i_stream]->i_serial_no == ogg_page_serialno( &p_sys->current_page ) )
+ {
+ p_sys->pp_stream[i_stream]->b_finished = true;
+ break;
+ }
+ }
+ }
}
+ b_skipping = false;
+ for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
+ {
+ b_skipping |= p_sys->pp_stream[i_stream]->i_skip_frames;
+ }
for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
{
ogg_page_serialno( &p_sys->current_page ) != p_stream->os.serialno )
{
msg_Err( p_demux, "Broken Ogg stream (serialno) mismatch" );
+ Ogg_ResetStream( p_stream );
+ p_sys->i_nzpcr_offset = (p_sys->i_pcr >= VLC_TS_INVALID) ?
+ p_sys->i_pcr - VLC_TS_0 : 0;
ogg_stream_reset_serialno( &p_stream->os, ogg_page_serialno( &p_sys->current_page ) );
-
- p_stream->b_reinit = true;
- p_stream->i_pcr = VLC_TS_0;
- p_stream->i_interpolated_pcr = VLC_TS_0;
- p_stream->i_previous_granulepos = -1;
- es_out_Control( p_demux->out, ES_OUT_SET_PCR, VLC_TS_0);
}
+ /* Does fail if serialno differs */
if( ogg_stream_pagein( &p_stream->os, &p_sys->current_page ) != 0 )
{
continue;
}
+ }
+
+ /* clear the finished flag if pages after eos (ex: after a seek) */
+ if ( ! ogg_page_eos( &p_sys->current_page ) && p_sys->p_skelstream != p_stream )
+ p_stream->b_finished = false;
+
+ DemuxDebug(
+ if ( p_stream->fmt.i_cat == VIDEO_ES )
+ msg_Dbg(p_demux, "DEMUX READ pageno %ld g%"PRId64" (%d packets) cont %d %ld bytes",
+ ogg_page_pageno( &p_sys->current_page ),
+ ogg_page_granulepos( &p_sys->current_page ),
+ ogg_page_packets( &p_sys->current_page ),
+ ogg_page_continued(&p_sys->current_page),
+ p_sys->current_page.body_len )
+ );
+
+ const int i_page_packets = ogg_page_packets( &p_sys->current_page );
+ bool b_doprepcr = false;
+ if ( p_stream->i_pcr < VLC_TS_0 && ogg_page_granulepos( &p_sys->current_page ) > 0 )
+ {
+ // PASS 0
+ if ( p_stream->fmt.i_codec == VLC_CODEC_OPUS ||
+ p_stream->fmt.i_codec == VLC_CODEC_VORBIS ||
+ p_stream->fmt.i_codec == VLC_CODEC_SPEEX ||
+ p_stream->fmt.i_cat == VIDEO_ES )
+ {
+ assert( p_stream->prepcr.pp_blocks == NULL );
+ b_doprepcr = true;
+ }
}
+ int i_real_page_packets = 0;
while( ogg_stream_packetout( &p_stream->os, &oggpacket ) > 0 )
{
+ i_real_page_packets++;
+ int i_max_packets = __MAX(i_page_packets, i_real_page_packets);
+ if ( b_doprepcr && p_stream->prepcr.i_size < i_max_packets )
+ {
+ /* always double alloc for performance */
+ i_max_packets = __MAX( i_max_packets << 1, 255 );
+ /* alloc or realloc */
+ block_t **pp_realloc = realloc( p_stream->prepcr.pp_blocks,
+ sizeof(block_t *) * i_max_packets );
+ if ( !pp_realloc )
+ {
+ /* drop it then */
+ continue;
+ }
+ p_stream->prepcr.i_size = i_max_packets;
+ p_stream->prepcr.pp_blocks = pp_realloc;
+ }
+
/* Read info from any secondary header packets, if there are any */
if( p_stream->i_secondary_header_packets > 0 )
{
oggpacket.bytes >= 7 &&
! memcmp( oggpacket.packet, "\x80theora", 7 ) )
{
- Ogg_ReadTheoraHeader( p_demux, p_stream, &oggpacket );
+ Ogg_ReadTheoraHeader( p_stream, &oggpacket );
+ p_stream->i_secondary_header_packets = 0;
+ }
+ else if( p_stream->fmt.i_codec == VLC_CODEC_DAALA &&
+ oggpacket.bytes >= 6 &&
+ ! memcmp( oggpacket.packet, "\x80""daala", 6 ) )
+ {
+ Ogg_ReadDaalaHeader( p_stream, &oggpacket );
p_stream->i_secondary_header_packets = 0;
}
else if( p_stream->fmt.i_codec == VLC_CODEC_VORBIS &&
/* update start of data pointer */
p_stream->i_data_start = stream_Tell( p_demux->s );
-
}
/* If any streams have i_skip_frames, only decode (pre-roll)
- * for those streams */
- if ( b_skipping && p_stream->i_skip_frames == 0 ) continue;
-
+ * for those streams, but don't skip headers */
+ if ( b_skipping && p_stream->i_skip_frames == 0
+ && p_stream->i_secondary_header_packets ) continue;
if( p_stream->b_reinit )
{
- /* If synchro is re-initialized we need to drop all the packets
- * until we find a new dated one. */
- Ogg_UpdatePCR( p_stream, &oggpacket );
+ p_stream->b_reinit = false;
+ if( p_stream->fmt.i_codec == VLC_CODEC_OPUS )
+ {
+ p_stream->i_skip_frames = p_stream->i_pre_skip;
+ }
+ }
+
+ Ogg_DecodePacket( p_demux, p_stream, &oggpacket );
+ }
+
+ if ( p_stream->prepcr.pp_blocks )
+ {
+ int64_t pagestamp = Oggseek_GranuleToAbsTimestamp( p_stream, ogg_page_granulepos( &p_sys->current_page ), false );
+ p_stream->i_previous_pcr = pagestamp;
+#ifdef HAVE_LIBVORBIS
+ int i_prev_blocksize = 0;
+#endif
+ // PASS 1
+ for( int i=0; i<p_stream->prepcr.i_used; i++ )
+ {
+ block_t *p_block = p_stream->prepcr.pp_blocks[i];
+ ogg_packet dumb_packet;
+ dumb_packet.bytes = p_block->i_buffer;
+ dumb_packet.packet = p_block->p_buffer;
- if( p_stream->i_pcr >= 0 )
+ switch( p_stream->fmt.i_codec )
+ {
+ case VLC_CODEC_SPEEX:
+ p_block->i_nb_samples = p_stream->special.speex.i_framesize *
+ p_stream->special.speex.i_framesperpacket;
+ break;
+ case VLC_CODEC_OPUS:
+ p_block->i_nb_samples = Ogg_OpusPacketDuration( &dumb_packet );
+ break;
+#ifdef HAVE_LIBVORBIS
+ case VLC_CODEC_VORBIS:
{
- p_stream->b_reinit = false;
- /* For Opus, trash the first 80 ms of decoded output as
- well, to avoid blowing out speakers if we get unlucky.
- Opus predicts content from prior frames, which can go
- badly if we seek right where the stream goes from very
- quiet to very loud. It will converge after a bit. */
- if( p_stream->fmt.i_codec == VLC_CODEC_OPUS )
+ if( !VORBIS_HEADERS_VALID(p_stream) )
{
- ogg_int64_t start_time;
- int duration;
- p_stream->i_skip_frames = 80*48;
- /* Make sure we never play audio from within the
- pre-skip at the beginning of the stream. */
- duration =
- Ogg_OpusPacketDuration( p_stream, &oggpacket );
- start_time = p_stream->i_previous_granulepos;
- if( duration > 0 )
- {
- start_time = start_time > duration ?
- start_time - duration : 0;
- }
- if( p_stream->i_pre_skip > start_time )
- {
- p_stream->i_skip_frames +=
- p_stream->i_pre_skip - start_time;
- }
+ msg_Err( p_demux, "missing vorbis headers, can't compute block size" );
+ break;
}
+ long i_blocksize = vorbis_packet_blocksize(
+ p_stream->special.vorbis.p_info, &dumb_packet );
+ if ( i_prev_blocksize )
+ p_block->i_nb_samples = ( i_blocksize + i_prev_blocksize ) / 4;
+ else
+ p_block->i_nb_samples = i_blocksize / 2;
+ i_prev_blocksize = i_blocksize;
}
- else
- {
- p_stream->i_interpolated_pcr = -1;
- p_stream->i_previous_granulepos = -1;
- continue;
+#endif
}
+ }
- /* An Ogg/vorbis packet contains an end date granulepos */
- if( p_stream->fmt.i_codec == VLC_CODEC_VORBIS ||
- p_stream->fmt.i_codec == VLC_CODEC_SPEEX ||
- p_stream->fmt.i_codec == VLC_CODEC_OPUS ||
- p_stream->fmt.i_codec == VLC_CODEC_FLAC )
+ // PASS 2
+ bool b_fixed = false;
+ for( int i=p_stream->prepcr.i_used - 1; i>=0; i-- )
+ {
+ block_t *p_block = p_stream->prepcr.pp_blocks[i];
+ switch( p_stream->fmt.i_codec )
{
- if( ogg_stream_packetout( &p_stream->os, &oggpacket ) > 0 )
+ case VLC_CODEC_SPEEX:
+ case VLC_CODEC_OPUS:
+ case VLC_CODEC_VORBIS:
+ pagestamp -= CLOCK_FREQ * p_block->i_nb_samples / p_stream->f_rate;
+ if ( pagestamp < 0 )
{
- Ogg_DecodePacket( p_demux, p_stream, &oggpacket );
+ p_block->i_pts = VLC_TS_INVALID;
+ p_block->i_flags |= BLOCK_FLAG_PREROLL;
}
else
+ p_block->i_pts = VLC_TS_0 + p_sys->i_nzpcr_offset + pagestamp;
+ b_fixed = true;
+ break;
+ default:
+ if ( p_stream->fmt.i_cat == VIDEO_ES )
{
- es_out_Control( p_demux->out, ES_OUT_SET_PCR,
- VLC_TS_0 + p_stream->i_pcr );
+ pagestamp = pagestamp - ( CLOCK_FREQ / p_stream->f_rate );
+ p_block->i_pts = p_sys->i_nzpcr_offset + pagestamp;
+ b_fixed = true;
}
- continue;
}
}
- Ogg_DecodePacket( p_demux, p_stream, &oggpacket );
+ if ( b_fixed )
+ {
+ if ( pagestamp < 0 ) pagestamp = 0;
+ p_stream->i_pcr = VLC_TS_0 + pagestamp;
+ p_stream->i_pcr += p_sys->i_nzpcr_offset;
+ p_stream->i_previous_granulepos = ogg_page_granulepos( &p_sys->current_page );
+ }
+
+ FREENULL(p_stream->prepcr.pp_blocks);
+ p_stream->prepcr.i_used = 0;
+
+ Ogg_SendOrQueueBlocks( p_demux, p_stream, NULL );
+
+ }
+
+ int64_t i_pagestamp = Oggseek_GranuleToAbsTimestamp( p_stream,
+ ogg_page_granulepos( &p_sys->current_page ), false );
+ if ( i_pagestamp > -1 )
+ {
+ p_stream->i_pcr = VLC_TS_0 + i_pagestamp;
+ p_stream->i_pcr += p_sys->i_nzpcr_offset;
}
if( !p_sys->b_page_waiting )
/* if a page was waiting, it's now processed */
p_sys->b_page_waiting = false;
- p_sys->i_pcr = -1;
+ if ( p_sys->p_skelstream && !p_sys->p_skelstream->b_finished )
+ p_sys->b_preparsing_done = false;
+ else
+ p_sys->b_preparsing_done = true;
+
+ /* We will consider the lowest PCR among tracks, because the audio core badly
+ * handles PCR rewind (mute)
+ */
+ mtime_t i_pcr_candidate = VLC_TS_INVALID;
for( i_stream = 0; i_stream < p_sys->i_streams; i_stream++ )
{
logical_stream_t *p_stream = p_sys->pp_stream[i_stream];
+ if ( p_sys->b_preparsing_done && p_stream->b_initializing )
+ {
+ /* We have 1 or more streams needing more than 1 page for preparsing */
+ p_sys->b_preparsing_done = false;
+ }
+
if( p_stream->fmt.i_cat == SPU_ES )
continue;
- if( p_stream->i_interpolated_pcr < 0 )
+ if( p_stream->i_pcr < VLC_TS_0 )
continue;
+ if ( p_stream->b_finished || p_stream->b_initializing )
+ continue;
+ if ( p_stream->p_preparse_block )
+ continue;
+ if( i_pcr_candidate < VLC_TS_0
+ || p_stream->i_pcr <= i_pcr_candidate )
+ {
+ i_pcr_candidate = p_stream->i_pcr;
+ }
+ }
+
+ if ( i_pcr_candidate > VLC_TS_INVALID && p_sys->i_pcr != i_pcr_candidate )
+ {
+ if ( p_sys->i_streams == 1 && p_sys->i_access_delay )
+ {
+ int64_t i_pcr_jitter = i_pcr_candidate - p_sys->i_pcr;
+ if ( i_pcr_jitter > p_sys->i_pcr_jitter )
+ {
+ p_sys->i_pcr_jitter = i_pcr_jitter;
+ if ( p_sys->i_access_delay < i_pcr_jitter )
+ msg_Warn( p_demux, "Consider increasing access caching variable from %"PRId64" to >%"PRId64,
+ p_sys->i_access_delay / 1000, i_pcr_jitter / 1000 );
+ }
+ }
+
+ if( ! b_skipping && p_sys->b_preparsing_done )
+ {
+ p_sys->i_pcr = i_pcr_candidate;
+ es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pcr );
+ }
+ }
+
+ return VLC_DEMUXER_SUCCESS;
+}
- if( p_sys->i_pcr < 0 || p_stream->i_interpolated_pcr < p_sys->i_pcr )
- p_sys->i_pcr = p_stream->i_interpolated_pcr;
+static void Ogg_ResetStream( logical_stream_t *p_stream )
+{
+#ifdef HAVE_LIBVORBIS
+ if ( p_stream->fmt.i_codec == VLC_CODEC_VORBIS )
+ {
+ p_stream->special.vorbis.i_prev_blocksize = 0;
}
+#endif
+ /* we'll trash all the data until we find the next pcr */
+ p_stream->b_reinit = true;
+ p_stream->i_pcr = VLC_TS_UNKNOWN;
+ p_stream->i_previous_granulepos = -1;
+ p_stream->i_previous_pcr = VLC_TS_UNKNOWN;
+ ogg_stream_reset( &p_stream->os );
+ FREENULL( p_stream->prepcr.pp_blocks );
+ p_stream->prepcr.i_size = 0;
+ p_stream->prepcr.i_used = 0;
+}
- if( p_sys->i_pcr >= 0 && ! b_skipping )
- es_out_Control( p_demux->out, ES_OUT_SET_PCR, VLC_TS_0 + p_sys->i_pcr );
+static void Ogg_ResetStreamsHelper( demux_sys_t *p_sys )
+{
+ for( int i = 0; i < p_sys->i_streams; i++ )
+ Ogg_ResetStream( p_sys->pp_stream[i] );
+
+ ogg_sync_reset( &p_sys->oy );
+ p_sys->i_pcr = VLC_TS_UNKNOWN;
+}
+
+static logical_stream_t * Ogg_GetSelectedStream( demux_t *p_demux )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ logical_stream_t *p_stream = NULL;
+ for( int i=0; i<p_sys->i_streams; i++ )
+ {
+ logical_stream_t *p_candidate = p_sys->pp_stream[i];
+ if ( !p_candidate->p_es ) continue;
- return 1;
+ bool b_selected = false;
+ es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE,
+ p_candidate->p_es, &b_selected );
+ if ( !b_selected ) continue;
+
+ if ( !p_stream && p_candidate->fmt.i_cat == AUDIO_ES )
+ {
+ p_stream = p_candidate;
+ continue; /* Try to find video anyway */
+ }
+
+ if ( p_candidate->fmt.i_cat == VIDEO_ES )
+ {
+ p_stream = p_candidate;
+ break;
+ }
+ }
+ return p_stream;
}
/*****************************************************************************
{
demux_sys_t *p_sys = p_demux->p_sys;
vlc_meta_t *p_meta;
- int64_t *pi64;
- bool *pb_bool;
- int i;
+ int64_t *pi64, i64;
+ double *pf, f;
+ bool *pb_bool, b;
switch( i_query )
{
return VLC_SUCCESS;
case DEMUX_SET_TIME:
- return VLC_EGENERIC;
+ i64 = (int64_t)va_arg( args, int64_t );
+ logical_stream_t *p_stream = Ogg_GetSelectedStream( p_demux );
+ if ( !p_stream )
+ {
+ msg_Err( p_demux, "No selected seekable stream found" );
+ return VLC_EGENERIC;
+ }
+ stream_Control( p_demux->s, STREAM_CAN_FASTSEEK, &b );
+ if ( Oggseek_BlindSeektoAbsoluteTime( p_demux, p_stream, i64, b ) )
+ {
+ Ogg_ResetStreamsHelper( p_sys );
+ es_out_Control( p_demux->out, ES_OUT_SET_NEXT_DISPLAY_TIME,
+ VLC_TS_0 + i64 );
+ return VLC_SUCCESS;
+ }
+ else
+ return VLC_EGENERIC;
case DEMUX_GET_ATTACHMENTS:
{
return VLC_EGENERIC;
*pi_int = p_sys->i_attachments;
- *ppp_attach = xmalloc( sizeof(input_attachment_t**) * p_sys->i_attachments );
+ *ppp_attach = xmalloc( sizeof(input_attachment_t*) * p_sys->i_attachments );
for( int i = 0; i < p_sys->i_attachments; i++ )
(*ppp_attach)[i] = vlc_input_attachment_Duplicate( p_sys->attachments[i] );
return VLC_SUCCESS;
}
+ case DEMUX_GET_POSITION:
+ pf = (double*)va_arg( args, double * );
+ if( p_sys->i_length > 0 )
+ {
+ *pf = (double) p_sys->i_pcr /
+ (double) ( p_sys->i_length * (mtime_t)1000000 );
+ }
+ else if( stream_Size( p_demux->s ) > 0 )
+ {
+ i64 = stream_Tell( p_demux->s );
+ *pf = (double) i64 / stream_Size( p_demux->s );
+ }
+ else *pf = 0.0;
+ return VLC_SUCCESS;
+
case DEMUX_SET_POSITION:
/* forbid seeking if we haven't initialized all logical bitstreams yet;
if we allowed, some headers would not get backed up and decoder init
would fail, making that logical stream unusable */
- if( p_sys->i_bos > 0 )
+ for ( int i=0; i< p_sys->i_streams; i++ )
{
+ if ( p_sys->pp_stream[i]->b_initializing )
+ return VLC_EGENERIC;
+ }
+
+ p_stream = Ogg_GetSelectedStream( p_demux );
+ if ( !p_stream )
+ {
+ msg_Err( p_demux, "No selected seekable stream found" );
return VLC_EGENERIC;
}
- for( i = 0; i < p_sys->i_streams; i++ )
+ stream_Control( p_demux->s, STREAM_CAN_FASTSEEK, &b );
+
+ f = (double)va_arg( args, double );
+ if ( p_sys->i_length <= 0 || !b /* || ! ACCESS_CAN_FASTSEEK */ )
{
- logical_stream_t *p_stream = p_sys->pp_stream[i];
-
- /* we'll trash all the data until we find the next pcr */
- p_stream->b_reinit = true;
- p_stream->i_pcr = -1;
- p_stream->i_interpolated_pcr = -1;
- p_stream->i_previous_granulepos = -1;
- ogg_stream_reset( &p_stream->os );
+ Ogg_ResetStreamsHelper( p_sys );
+ Oggseek_BlindSeektoPosition( p_demux, p_stream, f, b );
+ return VLC_SUCCESS;
}
- ogg_sync_reset( &p_sys->oy );
- return demux_vaControlHelper( p_demux->s, 0, -1, p_sys->i_bitrate,
- 1, i_query, args );
+
+ assert( p_sys->i_length > 0 );
+ i64 = CLOCK_FREQ * p_sys->i_length * f;
+ Ogg_ResetStreamsHelper( p_sys );
+ if ( Oggseek_SeektoAbsolutetime( p_demux, p_stream, i64 ) >= 0 )
+ {
+ es_out_Control( p_demux->out, ES_OUT_SET_NEXT_DISPLAY_TIME,
+ VLC_TS_0 + i64 );
+ return VLC_SUCCESS;
+ }
+
+ return VLC_EGENERIC;
+
case DEMUX_GET_LENGTH:
if ( p_sys->i_length < 0 )
return demux_vaControlHelper( p_demux->s, 0, -1, p_sys->i_bitrate,
*pi64 = p_sys->i_length * 1000000;
return VLC_SUCCESS;
+ case DEMUX_GET_TITLE_INFO:
+ {
+ input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
+ int *pi_int = (int*)va_arg( args, int* );
+ int *pi_title_offset = (int*)va_arg( args, int* );
+ int *pi_seekpoint_offset = (int*)va_arg( args, int* );
+
+ if( p_sys->i_seekpoints > 0 )
+ {
+ *pi_int = 1;
+ *ppp_title = malloc( sizeof( input_title_t* ) );
+ input_title_t *p_title = (*ppp_title)[0] = vlc_input_title_New();
+ for( int i = 0; i < p_sys->i_seekpoints; i++ )
+ {
+ seekpoint_t *p_seekpoint_copy = vlc_seekpoint_Duplicate( p_sys->pp_seekpoints[i] );
+ if ( likely( p_seekpoint_copy ) )
+ TAB_APPEND( p_title->i_seekpoint, p_title->seekpoint, p_seekpoint_copy );
+ }
+ *pi_title_offset = 0;
+ *pi_seekpoint_offset = 0;
+ }
+ return VLC_SUCCESS;
+ }
+ case DEMUX_SET_TITLE:
+ {
+ const int i_title = (int)va_arg( args, int );
+ if( i_title > 1 )
+ return VLC_EGENERIC;
+ return VLC_SUCCESS;
+ }
+ case DEMUX_SET_SEEKPOINT:
+ {
+ const int i_seekpoint = (int)va_arg( args, int );
+ if( i_seekpoint > p_sys->i_seekpoints )
+ return VLC_EGENERIC;
+
+ for ( int i=0; i< p_sys->i_streams; i++ )
+ {
+ if ( p_sys->pp_stream[i]->b_initializing )
+ return VLC_EGENERIC;
+ }
+
+ i64 = p_sys->pp_seekpoints[i_seekpoint]->i_time_offset;
+
+ p_stream = Ogg_GetSelectedStream( p_demux );
+ if ( !p_stream )
+ {
+ msg_Err( p_demux, "No selected seekable stream found" );
+ return VLC_EGENERIC;
+ }
+
+ stream_Control( p_demux->s, STREAM_CAN_FASTSEEK, &b );
+ if ( Oggseek_BlindSeektoAbsoluteTime( p_demux, p_stream, i64, b ) )
+ {
+ Ogg_ResetStreamsHelper( p_sys );
+ es_out_Control( p_demux->out, ES_OUT_SET_NEXT_DISPLAY_TIME,
+ VLC_TS_0 + i64 );
+ p_demux->info.i_update |= INPUT_UPDATE_SEEKPOINT;
+ p_demux->info.i_seekpoint = i_seekpoint;
+ return VLC_SUCCESS;
+ }
+ else
+ return VLC_EGENERIC;
+ }
default:
return demux_vaControlHelper( p_demux->s, 0, -1, p_sys->i_bitrate,
* Ogg_UpdatePCR: update the PCR (90kHz program clock reference) for the
* current stream.
****************************************************************************/
-static void Ogg_UpdatePCR( logical_stream_t *p_stream,
+static void Ogg_UpdatePCR( demux_t *p_demux, logical_stream_t *p_stream,
ogg_packet *p_oggpacket )
{
+ demux_sys_t *p_ogg = p_demux->p_sys;
p_stream->i_end_trim = 0;
+
/* Convert the granulepos into a pcr */
- if( p_oggpacket->granulepos >= 0 )
+ if ( p_oggpacket->granulepos == 0 )
+ {
+ /* We're in headers, and we haven't parsed 1st data packet yet */
+// p_stream->i_pcr = VLC_TS_UNKNOWN;
+ }
+ else if( p_oggpacket->granulepos > 0 )
{
if( p_stream->fmt.i_codec == VLC_CODEC_THEORA ||
- p_stream->fmt.i_codec == VLC_CODEC_KATE )
- {
- ogg_int64_t iframe = p_oggpacket->granulepos >>
- p_stream->i_granule_shift;
- ogg_int64_t pframe = p_oggpacket->granulepos -
- ( iframe << p_stream->i_granule_shift );
-
- p_stream->i_pcr = ( iframe + pframe - p_stream->i_keyframe_offset )
- * INT64_C(1000000) / p_stream->f_rate;
- }
- else if( p_stream->fmt.i_codec == VLC_CODEC_DIRAC )
+ p_stream->fmt.i_codec == VLC_CODEC_DAALA ||
+ p_stream->fmt.i_codec == VLC_CODEC_KATE ||
+ p_stream->fmt.i_codec == VLC_CODEC_VP8 ||
+ p_stream->fmt.i_codec == VLC_CODEC_DIRAC ||
+ p_stream->fmt.i_codec == VLC_CODEC_SPEEX ||
+ (p_stream->b_oggds && p_stream->fmt.i_cat == VIDEO_ES) )
{
- ogg_int64_t i_dts = p_oggpacket->granulepos >> 31;
- /* NB, OggDirac granulepos values are in units of 2*picturerate */
- p_stream->i_pcr = (i_dts/2) * INT64_C(1000000) / p_stream->f_rate;
+ p_stream->i_pcr = VLC_TS_0 + Oggseek_GranuleToAbsTimestamp( p_stream,
+ p_oggpacket->granulepos, true );
+ p_stream->i_pcr += p_ogg->i_nzpcr_offset;
}
- else
+ else if ( p_stream->i_previous_granulepos > 0 )
{
- ogg_int64_t sample;
- sample = p_oggpacket->granulepos;
- if( p_oggpacket->e_o_s &&
- p_stream->fmt.i_codec == VLC_CODEC_OPUS &&
- p_stream->i_previous_granulepos >= 0 )
+ ogg_int64_t sample = p_stream->i_previous_granulepos;
+
+ if( p_stream->fmt.i_codec == VLC_CODEC_OPUS && p_oggpacket->e_o_s )
{
- int duration;
- duration = Ogg_OpusPacketDuration( p_stream, p_oggpacket );
+ int duration = Ogg_OpusPacketDuration( p_oggpacket );
if( duration > 0 )
{
- ogg_int64_t end_sample;
- end_sample = p_stream->i_previous_granulepos + duration;
- if( end_sample > sample )
- p_stream->i_end_trim = (int)(end_sample - sample);
+ ogg_int64_t end_sample = p_oggpacket->granulepos;
+ if( end_sample < ( sample + duration ) )
+ p_stream->i_end_trim = sample + duration - end_sample;
}
}
+
if (sample >= p_stream->i_pre_skip)
sample -= p_stream->i_pre_skip;
else
sample = 0;
- p_stream->i_pcr = sample * INT64_C(1000000) / p_stream->f_rate;
+
+ p_stream->i_pcr = VLC_TS_0 + sample * CLOCK_FREQ / p_stream->f_rate;
+ p_stream->i_pcr += p_ogg->i_nzpcr_offset;
}
- p_stream->i_pcr += VLC_TS_0;
- p_stream->i_interpolated_pcr = p_stream->i_pcr;
}
- else
+ else if ( p_oggpacket->granulepos == -1 )
{
- int duration;
- p_stream->i_pcr = -1;
-
+ int i_duration;
/* no granulepos available, try to interpolate the pcr.
* If we can't then don't touch the old value. */
- if( p_stream->fmt.i_cat == VIDEO_ES )
- /* 1 frame per packet */
- p_stream->i_interpolated_pcr += (INT64_C(1000000) / p_stream->f_rate);
+ if( p_stream->fmt.i_cat == VIDEO_ES && p_stream->i_pcr > VLC_TS_INVALID )
+ {
+ p_stream->i_pcr += (CLOCK_FREQ / p_stream->f_rate);
+ }
+#ifdef HAVE_LIBVORBIS
+ else if ( p_stream->fmt.i_codec == VLC_CODEC_VORBIS &&
+ p_stream->special.vorbis.p_info &&
+ VORBIS_HEADERS_VALID(p_stream) &&
+ p_stream->i_previous_granulepos > 0 )
+ {
+ long i_blocksize = vorbis_packet_blocksize(
+ p_stream->special.vorbis.p_info, p_oggpacket );
+ if ( p_stream->special.vorbis.i_prev_blocksize )
+ i_duration = ( i_blocksize + p_stream->special.vorbis.i_prev_blocksize ) / 4;
+ else
+ i_duration = i_blocksize / 2;
+ p_stream->special.vorbis.i_prev_blocksize = i_blocksize;
+ /* duration in samples per channel */
+ p_oggpacket->granulepos = p_stream->i_previous_granulepos + i_duration;
+ p_stream->i_pcr = p_stream->i_previous_granulepos *
+ CLOCK_FREQ / p_stream->special.vorbis.p_info->rate;
+ p_stream->i_pcr += p_ogg->i_nzpcr_offset;
+ }
+#endif
+ else if ( p_stream->fmt.i_codec == VLC_CODEC_SPEEX &&
+ p_stream->i_previous_granulepos > 0 )
+ {
+ i_duration = p_stream->special.speex.i_framesize *
+ p_stream->special.speex.i_framesperpacket;
+ p_oggpacket->granulepos = p_stream->i_previous_granulepos + i_duration;
+ p_stream->i_pcr = VLC_TS_0 + Oggseek_GranuleToAbsTimestamp( p_stream,
+ p_stream->i_previous_granulepos, false );
+ p_stream->i_pcr += p_ogg->i_nzpcr_offset;
+ }
else if( p_stream->fmt.i_codec == VLC_CODEC_OPUS &&
- p_stream->i_previous_granulepos >= 0 &&
- ( duration =
- Ogg_OpusPacketDuration( p_stream, p_oggpacket ) ) > 0 )
+ p_stream->i_previous_granulepos > 0 &&
+ ( i_duration =
+ Ogg_OpusPacketDuration( p_oggpacket ) ) > 0 )
{
ogg_int64_t sample;
- p_oggpacket->granulepos =
- p_stream->i_previous_granulepos + duration;
- sample = p_oggpacket->granulepos;
+ p_oggpacket->granulepos = p_stream->i_previous_granulepos + i_duration;
+ sample = p_stream->i_previous_granulepos;
if (sample >= p_stream->i_pre_skip)
sample -= p_stream->i_pre_skip;
else
sample = 0;
- p_stream->i_interpolated_pcr =
- VLC_TS_0 + sample * INT64_C(1000000) / p_stream->f_rate;
+
+ p_stream->i_pcr = VLC_TS_0 + sample * CLOCK_FREQ / p_stream->f_rate;
+ p_stream->i_pcr += p_ogg->i_nzpcr_offset;
}
- else if( p_stream->fmt.i_bitrate )
+ else if( p_stream->fmt.i_bitrate && p_stream->i_pcr > VLC_TS_UNKNOWN )
{
- p_stream->i_interpolated_pcr +=
- ( p_oggpacket->bytes * INT64_C(1000000) /
- p_stream->fmt.i_bitrate / 8 );
+ p_stream->i_pcr += ( CLOCK_FREQ * p_oggpacket->bytes /
+ p_stream->fmt.i_bitrate / 8 );
}
}
+
p_stream->i_previous_granulepos = p_oggpacket->granulepos;
}
+static void Ogg_SendOrQueueBlocks( demux_t *p_demux, logical_stream_t *p_stream,
+ block_t *p_block )
+{
+ demux_sys_t *p_ogg = p_demux->p_sys;
+ if ( !p_stream->p_es || p_stream->prepcr.pp_blocks || p_stream->i_pcr == VLC_TS_UNKNOWN )
+ {
+ if ( !p_block ) return;
+ if ( p_stream->prepcr.pp_blocks )
+ {
+ assert( p_stream->prepcr.i_size );
+ p_stream->prepcr.pp_blocks[p_stream->prepcr.i_used++] = p_block;
+ }
+ DemuxDebug( msg_Dbg( p_demux, "block prepcr append > pts %"PRId64" spcr %"PRId64" pcr %"PRId64,
+ p_block->i_pts, p_stream->i_pcr, p_ogg->i_pcr ); )
+ block_ChainAppend( & p_stream->p_preparse_block, p_block );
+ }
+ else
+ {
+ /* Because ES creation is delayed for preparsing */
+ mtime_t i_firstpts = VLC_TS_UNKNOWN;
+ if ( p_stream->p_preparse_block )
+ {
+ block_t *temp = p_stream->p_preparse_block;
+ while ( temp )
+ {
+ if ( temp && i_firstpts < VLC_TS_0 )
+ i_firstpts = temp->i_pts;
+
+ block_t *tosend = temp;
+ temp = temp->p_next;
+ tosend->p_next = NULL;
+
+ DemuxDebug( msg_Dbg( p_demux, "block sent from preparse > pts %"PRId64" spcr %"PRId64" pcr %"PRId64,
+ tosend->i_pts, p_stream->i_pcr, p_ogg->i_pcr ); )
+ es_out_Send( p_demux->out, p_stream->p_es, tosend );
+
+ if ( p_ogg->i_pcr < VLC_TS_0 && i_firstpts > VLC_TS_INVALID )
+ {
+ p_ogg->i_pcr = i_firstpts;
+ es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_ogg->i_pcr );
+ }
+ }
+ p_stream->p_preparse_block = NULL;
+ }
+
+ if ( p_block )
+ {
+ DemuxDebug( msg_Dbg( p_demux, "block sent directly > pts %"PRId64" spcr %"PRId64" pcr %"PRId64,
+ p_block->i_pts, p_stream->i_pcr, p_ogg->i_pcr ) );
+ es_out_Send( p_demux->out, p_stream->p_es, p_block );
+ }
+ }
+}
+
/****************************************************************************
* Ogg_DecodePacket: Decode an Ogg packet.
****************************************************************************/
block_t *p_block;
bool b_selected;
int i_header_len = 0;
- mtime_t i_pts = -1, i_interpolated_pts;
- demux_sys_t *p_ogg = p_demux->p_sys;
if( p_oggpacket->bytes >= 7 &&
! memcmp ( p_oggpacket->packet, "Annodex", 7 ) )
/* it's an AnxData packet -- skip it (do nothing) */
return;
}
+ else if( p_oggpacket->bytes >= 8 &&
+ ! memcmp ( p_oggpacket->packet, "fisbone", 8 ) )
+ {
+ Ogg_ReadSkeletonBones( p_demux, p_oggpacket );
+ return;
+ }
+ else if( p_oggpacket->bytes >= 6 &&
+ ! memcmp ( p_oggpacket->packet, "index", 6 ) )
+ {
+ Ogg_ReadSkeletonIndex( p_demux, p_oggpacket );
+ return;
+ }
+ else if( p_stream->fmt.i_codec == VLC_CODEC_VP8 &&
+ p_oggpacket->bytes >= 7 &&
+ !memcmp( p_oggpacket->packet, "OVP80\x02\x20", 7 ) )
+ {
+ Ogg_ReadVP8Header( p_demux, p_stream, p_oggpacket );
+ return;
+ }
if( p_stream->fmt.i_codec == VLC_CODEC_SUBT && p_oggpacket->bytes > 0 &&
p_oggpacket->packet[0] & PACKET_TYPE_BITS ) return;
/* Check the ES is selected */
- es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE,
- p_stream->p_es, &b_selected );
+ if ( !p_stream->p_es )
+ b_selected = true;
+ else
+ es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE,
+ p_stream->p_es, &b_selected );
if( p_stream->b_force_backup )
{
switch( p_stream->fmt.i_codec )
{
case VLC_CODEC_VORBIS:
- case VLC_CODEC_SPEEX:
+#ifdef HAVE_LIBVORBIS
+ Ogg_DecodeVorbisHeader( p_stream, p_oggpacket, p_stream->i_packets_backup );
+#endif
+ //ft
case VLC_CODEC_THEORA:
- if( p_stream->i_packets_backup == 3 ) p_stream->b_force_backup = 0;
+ if( p_stream->i_packets_backup == 3 )
+ p_stream->b_force_backup = false;
+ b_xiph = true;
+ break;
+
+ case VLC_CODEC_DAALA:
+ if( p_stream->i_packets_backup == 3 )
+ p_stream->b_force_backup = false;
+ b_xiph = true;
+ break;
+
+ case VLC_CODEC_SPEEX:
+ if( p_stream->i_packets_backup == 2 + p_stream->i_extra_headers_packets )
+ p_stream->b_force_backup = false;
b_xiph = true;
break;
case VLC_CODEC_OPUS:
- if( p_stream->i_packets_backup == 2 ) p_stream->b_force_backup = 0;
+ if( p_stream->i_packets_backup == 2 )
+ p_stream->b_force_backup = false;
b_xiph = true;
break;
if( !p_stream->fmt.audio.i_rate && p_stream->i_packets_backup == 2 )
{
Ogg_ReadFlacHeader( p_demux, p_stream, p_oggpacket );
- p_stream->b_force_backup = 0;
+ p_stream->b_force_backup = false;
}
else if( p_stream->fmt.audio.i_rate )
{
- p_stream->b_force_backup = 0;
+ p_stream->b_force_backup = false;
if( p_oggpacket->bytes >= 9 )
{
p_oggpacket->packet += 9;
break;
case VLC_CODEC_KATE:
- if( p_stream->i_packets_backup == p_stream->i_kate_num_headers ) p_stream->b_force_backup = 0;
+ if( p_stream->i_packets_backup == p_stream->special.kate.i_num_headers )
+ p_stream->b_force_backup = false;
b_xiph = true;
break;
default:
- p_stream->b_force_backup = 0;
+ p_stream->b_force_backup = false;
b_xiph = false;
break;
}
else
p_stream->fmt.i_extra = 0;
- if( Ogg_LogicalStreamResetEsFormat( p_demux, p_stream ) )
- es_out_Control( p_demux->out, ES_OUT_SET_ES_FMT,
- p_stream->p_es, &p_stream->fmt );
-
if( p_stream->i_headers > 0 )
- Ogg_ExtractMeta( p_demux, p_stream->fmt.i_codec,
+ Ogg_ExtractMeta( p_demux, & p_stream->fmt,
p_stream->p_headers, p_stream->i_headers );
/* we're not at BOS anymore for this logical stream */
- p_ogg->i_bos--;
+ p_stream->b_initializing = false;
}
}
b_selected = false; /* Discard the header packet */
}
-
- /* Convert the pcr into a pts */
- if( p_stream->fmt.i_codec == VLC_CODEC_VORBIS ||
- p_stream->fmt.i_codec == VLC_CODEC_SPEEX ||
- p_stream->fmt.i_codec == VLC_CODEC_OPUS ||
- p_stream->fmt.i_codec == VLC_CODEC_FLAC )
+ else
{
- if( p_stream->i_pcr >= 0 )
- {
- /* This is for streams where the granulepos of the header packets
- * doesn't match these of the data packets (eg. ogg web radios). */
- if( p_stream->i_previous_pcr == 0 &&
- p_stream->i_pcr > 3 * DEFAULT_PTS_DELAY )
- {
-
- /* Call the pace control */
- es_out_Control( p_demux->out, ES_OUT_SET_PCR,
- VLC_TS_0 + p_stream->i_pcr );
- }
-
- p_stream->i_previous_pcr = p_stream->i_pcr;
-
- /* The granulepos is the end date of the sample */
- i_pts = p_stream->i_pcr;
- }
+ p_stream->b_initializing = false;
}
/* Convert the granulepos into the next pcr */
- i_interpolated_pts = p_stream->i_interpolated_pcr;
- Ogg_UpdatePCR( p_stream, p_oggpacket );
-
- /* SPU streams are typically discontinuous, do not mind large gaps */
- if( p_stream->fmt.i_cat != SPU_ES )
- {
- if( p_stream->i_pcr >= 0 )
- {
- /* This is for streams where the granulepos of the header packets
- * doesn't match these of the data packets (eg. ogg web radios). */
- if( p_stream->i_previous_pcr == 0 &&
- p_stream->i_pcr > 3 * DEFAULT_PTS_DELAY )
- {
-
- /* Call the pace control */
- es_out_Control( p_demux->out, ES_OUT_SET_PCR, VLC_TS_0 + p_stream->i_pcr );
- }
- }
- }
-
- if( p_stream->fmt.i_codec != VLC_CODEC_VORBIS &&
- p_stream->fmt.i_codec != VLC_CODEC_SPEEX &&
- p_stream->fmt.i_codec != VLC_CODEC_OPUS &&
- p_stream->fmt.i_codec != VLC_CODEC_FLAC &&
- p_stream->i_pcr >= 0 )
- {
- p_stream->i_previous_pcr = p_stream->i_pcr;
-
- /* The granulepos is the start date of the sample */
- i_pts = p_stream->i_pcr;
- }
+ Ogg_UpdatePCR( p_demux, p_stream, p_oggpacket );
if( !b_selected )
{
return;
}
- if( !( p_block = block_New( p_demux, p_oggpacket->bytes ) ) ) return;
+ if( !( p_block = block_Alloc( p_oggpacket->bytes ) ) ) return;
+ p_block->i_pts = p_stream->i_pcr;
+ DemuxDebug( msg_Dbg(p_demux, "block set from granule %"PRId64" to pts/pcr %"PRId64" skip %d",
+ p_oggpacket->granulepos, p_stream->i_pcr, p_stream->i_skip_frames); )
- /* may need to preroll after a seek */
+ if( p_stream->fmt.i_codec == VLC_CODEC_OPUS )
+ p_block->i_nb_samples = Ogg_OpusPacketDuration( p_oggpacket );
+
+ /* may need to preroll after a seek or in case of preskip */
if ( p_stream->i_skip_frames > 0 )
{
if( p_stream->fmt.i_codec == VLC_CODEC_OPUS )
{
- int duration;
- duration = Ogg_OpusPacketDuration( p_stream, p_oggpacket );
- if( p_stream->i_skip_frames > duration )
+ if( p_stream->i_skip_frames >= p_block->i_nb_samples )
{
p_block->i_flags |= BLOCK_FLAG_PREROLL;
+ p_stream->i_skip_frames -= p_block->i_nb_samples;
p_block->i_nb_samples = 0;
- p_stream->i_skip_frames -= duration;
}
else
{
- p_block->i_nb_samples = duration - p_stream->i_skip_frames;
- if( p_stream->i_previous_granulepos >=
- p_block->i_nb_samples + p_stream->i_pre_skip )
- {
- i_pts = VLC_TS_0 + (p_stream->i_previous_granulepos
- - p_block->i_nb_samples - p_stream->i_pre_skip) *
- INT64_C(1000000) / p_stream->f_rate;
- }
+ p_block->i_nb_samples -= p_stream->i_skip_frames;
p_stream->i_skip_frames = 0;
}
}
p_stream->i_skip_frames--;
}
}
- else if( p_stream->fmt.i_codec == VLC_CODEC_OPUS )
- p_block->i_nb_samples = Ogg_OpusPacketDuration( p_stream, p_oggpacket );
-
- /* Normalize PTS */
- if( i_pts == VLC_TS_INVALID ) i_pts = VLC_TS_0;
- else if( i_pts == -1 && i_interpolated_pts == VLC_TS_INVALID )
- i_pts = VLC_TS_0;
- else if( i_pts == -1 && p_stream->fmt.i_cat == VIDEO_ES )
- i_pts = i_interpolated_pts;
- else if( i_pts == -1 ) i_pts = VLC_TS_INVALID;
-
- if( p_stream->fmt.i_cat == AUDIO_ES )
+ /* Conditional block fixes */
+ if ( p_stream->fmt.i_cat == VIDEO_ES &&
+ Ogg_IsKeyFrame( p_stream, p_oggpacket ) )
{
- p_block->i_dts = p_block->i_pts = i_pts;
+ p_block->i_flags |= BLOCK_FLAG_TYPE_I;
+ }
+ else if( p_stream->fmt.i_cat == AUDIO_ES )
+ {
+ if ( p_stream->fmt.i_codec == VLC_CODEC_FLAC &&
+ p_stream->p_es && 0 >= p_oggpacket->granulepos &&
+ p_stream->fmt.b_packetized )
+ {
+ /* Handle OggFlac spec violation (multiple frame/packet
+ * by turning on packetizer */
+ msg_Warn( p_demux, "Invalid FLAC in ogg detected. Restarting ES with packetizer." );
+ p_stream->fmt.b_packetized = false;
+ es_out_Del( p_demux->out, p_stream->p_es );
+ p_stream->p_es = es_out_Add( p_demux->out, &p_stream->fmt );
+ }
+
/* Blatant abuse of the i_length field. */
p_block->i_length = p_stream->i_end_trim;
}
else if( p_stream->fmt.i_cat == SPU_ES )
{
- p_block->i_dts = p_block->i_pts = i_pts;
p_block->i_length = 0;
}
- else if( p_stream->fmt.i_codec == VLC_CODEC_THEORA )
- {
- p_block->i_dts = p_block->i_pts = i_pts;
- if( (p_oggpacket->granulepos & ((1<<p_stream->i_granule_shift)-1)) == 0 )
- {
- p_block->i_flags |= BLOCK_FLAG_TYPE_I;
- }
- }
else if( p_stream->fmt.i_codec == VLC_CODEC_DIRAC )
{
- ogg_int64_t dts = p_oggpacket->granulepos >> 31;
- ogg_int64_t delay = (p_oggpacket->granulepos >> 9) & 0x1fff;
-
- uint64_t u_pnum = dts + delay;
-
- p_block->i_dts = p_stream->i_pcr;
- p_block->i_pts = VLC_TS_INVALID;
- /* NB, OggDirac granulepos values are in units of 2*picturerate */
-
+ ogg_int64_t nzdts = Oggseek_GranuleToAbsTimestamp( p_stream, p_oggpacket->granulepos, false );
+ ogg_int64_t nzpts = Oggseek_GranuleToAbsTimestamp( p_stream, p_oggpacket->granulepos, true );
+ p_block->i_dts = ( nzdts > VLC_TS_INVALID ) ? VLC_TS_0 + nzdts : nzdts;
+ p_block->i_pts = ( nzpts > VLC_TS_INVALID ) ? VLC_TS_0 + nzpts : nzpts;
/* granulepos for dirac is possibly broken, this value should be ignored */
- if( -1 != p_oggpacket->granulepos )
- p_block->i_pts = u_pnum * INT64_C(1000000) / p_stream->f_rate / 2;
- }
- else
- {
- p_block->i_dts = i_pts;
- p_block->i_pts = VLC_TS_INVALID;
+ if( 0 >= p_oggpacket->granulepos )
+ {
+ p_block->i_pts = VLC_TS_INVALID;
+ p_block->i_dts = p_stream->i_pcr;
+ }
}
if( p_stream->fmt.i_codec != VLC_CODEC_VORBIS &&
p_stream->fmt.i_codec != VLC_CODEC_SPEEX &&
p_stream->fmt.i_codec != VLC_CODEC_OPUS &&
+ p_stream->fmt.i_codec != VLC_CODEC_VP8 &&
p_stream->fmt.i_codec != VLC_CODEC_FLAC &&
p_stream->fmt.i_codec != VLC_CODEC_TARKIN &&
p_stream->fmt.i_codec != VLC_CODEC_THEORA &&
+ p_stream->fmt.i_codec != VLC_CODEC_DAALA &&
p_stream->fmt.i_codec != VLC_CODEC_CMML &&
p_stream->fmt.i_codec != VLC_CODEC_DIRAC &&
p_stream->fmt.i_codec != VLC_CODEC_KATE )
i_header_len = (*p_oggpacket->packet & PACKET_LEN_BITS01) >> 6;
i_header_len |= (*p_oggpacket->packet & PACKET_LEN_BITS2) << 1;
+ if( i_header_len >= p_oggpacket->bytes )
+ {
+ msg_Dbg( p_demux, "discarding invalid packet" );
+ block_Release( p_block );
+ return;
+ }
+
if( p_stream->fmt.i_codec == VLC_CODEC_SUBT)
{
/* But with subtitles we need to retrieve the duration first */
p_block->i_buffer = 0;
}
+
if( p_stream->fmt.i_codec == VLC_CODEC_TARKIN )
{
/* FIXME: the biggest hack I've ever done */
memcpy( p_block->p_buffer, p_oggpacket->packet + i_header_len,
p_oggpacket->bytes - i_header_len );
- es_out_Send( p_demux->out, p_stream->p_es, p_block );
+ Ogg_SendOrQueueBlocks( p_demux, p_stream, p_block );
}
-/* Re-implemented to avoid linking against libopus from the demuxer. */
-static int Ogg_OpusPacketDuration( logical_stream_t *p_stream,
- ogg_packet *p_oggpacket )
+static int Ogg_OpusPacketDuration( ogg_packet *p_oggpacket )
{
- static const int silk_fs_div[4] = { 6000, 3000, 1500, 1000 };
- int toc;
- int nframes;
- int frame_size;
- int nsamples;
- int i_rate;
- if( p_oggpacket->bytes < 1 )
- return VLC_EGENERIC;
- toc = p_oggpacket->packet[0];
- switch( toc&3 )
- {
- case 0:
- nframes = 1;
- break;
- case 1:
- case 2:
- nframes = 2;
- break;
- default:
- if( p_oggpacket->bytes < 2 )
- return VLC_EGENERIC;
- nframes = p_oggpacket->packet[1]&0x3F;
- break;
- }
- i_rate = (int)p_stream->fmt.audio.i_rate;
- if( toc&0x80 )
- frame_size = (i_rate << (toc >> 3 & 3)) / 400;
- else if( ( toc&0x60 ) == 0x60 )
- frame_size = i_rate/(100 >> (toc >> 3 & 1));
- else
- frame_size = i_rate*60 / silk_fs_div[toc >> 3 & 3];
- nsamples = nframes*frame_size;
- if( nsamples*25 > i_rate*3 )
- return VLC_EGENERIC;
- return nsamples;
+ return opus_frame_duration(p_oggpacket->packet, p_oggpacket->bytes);
}
/****************************************************************************
{
demux_sys_t *p_ogg = p_demux->p_sys ;
ogg_packet oggpacket;
- int i_stream;
p_ogg->i_total_length = stream_Size ( p_demux->s );
msg_Dbg( p_demux, "File length is %"PRId64" bytes", p_ogg->i_total_length );
* We found the beginning of our first logical stream. */
while( ogg_page_bos( &p_ogg->current_page ) )
{
- logical_stream_t *p_stream;
-
- p_stream = malloc( sizeof(logical_stream_t) );
+ logical_stream_t *p_stream = calloc( 1, sizeof(logical_stream_t) );
if( unlikely( !p_stream ) )
return VLC_ENOMEM;
TAB_APPEND( p_ogg->i_streams, p_ogg->pp_stream, p_stream );
- memset( p_stream, 0, sizeof(logical_stream_t) );
- p_stream->p_headers = 0;
- p_stream->i_secondary_header_packets = 0;
-
- p_stream->i_keyframe_offset = 0;
- p_stream->i_skip_frames = 0;
-
- p_stream->i_data_start = 0;
-
es_format_Init( &p_stream->fmt, 0, 0 );
es_format_Init( &p_stream->fmt_old, 0, 0 );
+ p_stream->b_initializing = true;
/* Setup the logical stream */
p_stream->i_serial_no = ogg_page_serialno( &p_ogg->current_page );
if( oggpacket.bytes >= 7 &&
! memcmp( oggpacket.packet, "\x01vorbis", 7 ) )
{
- Ogg_ReadVorbisHeader( p_stream, &oggpacket );
- msg_Dbg( p_demux, "found vorbis header" );
+ if ( Ogg_ReadVorbisHeader( p_stream, &oggpacket ) )
+ msg_Dbg( p_demux, "found vorbis header" );
+ else
+ {
+ msg_Dbg( p_demux, "found invalid vorbis header" );
+ Ogg_LogicalStreamDelete( p_demux, p_stream );
+ p_stream = NULL;
+ p_ogg->i_streams--;
+ }
}
/* Check for Speex header */
else if( oggpacket.bytes >= 5 &&
! memcmp( oggpacket.packet, "Speex", 5 ) )
{
- Ogg_ReadSpeexHeader( p_stream, &oggpacket );
- msg_Dbg( p_demux, "found speex header, channels: %i, "
- "rate: %i, bitrate: %i",
- p_stream->fmt.audio.i_channels,
- (int)p_stream->f_rate, p_stream->fmt.i_bitrate );
+ if ( Ogg_ReadSpeexHeader( p_stream, &oggpacket ) )
+ msg_Dbg( p_demux, "found speex header, channels: %i, "
+ "rate: %i, bitrate: %i, frames: %i group %i",
+ p_stream->fmt.audio.i_channels,
+ (int)p_stream->f_rate, p_stream->fmt.i_bitrate,
+ p_stream->special.speex.i_framesize,
+ p_stream->special.speex.i_framesperpacket );
+ else
+ {
+ msg_Dbg( p_demux, "found invalid Speex header" );
+ Ogg_LogicalStreamDelete( p_demux, p_stream );
+ p_stream = NULL;
+ p_ogg->i_streams--;
+ }
}
/* Check for Opus header */
else if( oggpacket.bytes >= 8 &&
! memcmp( oggpacket.packet, "OpusHead", 8 ) )
{
- Ogg_ReadOpusHeader( p_demux, p_stream, &oggpacket );
+ Ogg_ReadOpusHeader( p_stream, &oggpacket );
msg_Dbg( p_demux, "found opus header, channels: %i, "
"pre-skip: %i",
p_stream->fmt.audio.i_channels,
/* Grrrr!!!! Did they really have to put all the
* important info in the second header packet!!!
* (STREAMINFO metadata is in the following packet) */
- p_stream->b_force_backup = 1;
-
+ p_stream->b_force_backup = true;
p_stream->fmt.i_cat = AUDIO_ES;
p_stream->fmt.i_codec = VLC_CODEC_FLAC;
}
oggpacket.packet[5], oggpacket.packet[6],
i_packets );
- p_stream->b_force_backup = 1;
+ p_stream->b_force_backup = true;
p_stream->fmt.i_cat = AUDIO_ES;
p_stream->fmt.i_codec = VLC_CODEC_FLAC;
oggpacket.packet += 13; oggpacket.bytes -= 13;
- Ogg_ReadFlacHeader( p_demux, p_stream, &oggpacket );
+ if ( !Ogg_ReadFlacHeader( p_demux, p_stream, &oggpacket ) )
+ {
+ msg_Dbg( p_demux, "found invalid Flac header" );
+ Ogg_LogicalStreamDelete( p_demux, p_stream );
+ p_stream = NULL;
+ p_ogg->i_streams--;
+ }
}
/* Check for Theora header */
else if( oggpacket.bytes >= 7 &&
! memcmp( oggpacket.packet, "\x80theora", 7 ) )
{
- Ogg_ReadTheoraHeader( p_demux, p_stream, &oggpacket );
-
- msg_Dbg( p_demux,
- "found theora header, bitrate: %i, rate: %f",
- p_stream->fmt.i_bitrate, p_stream->f_rate );
+ if ( Ogg_ReadTheoraHeader( p_stream, &oggpacket ) )
+ msg_Dbg( p_demux,
+ "found theora header, bitrate: %i, rate: %f",
+ p_stream->fmt.i_bitrate, p_stream->f_rate );
+ else
+ {
+ msg_Dbg( p_demux, "found invalid Theora header" );
+ Ogg_LogicalStreamDelete( p_demux, p_stream );
+ p_stream = NULL;
+ p_ogg->i_streams--;
+ }
+ }
+ /* Check for Daala header */
+ else if( oggpacket.bytes >= 6 &&
+ ! memcmp( oggpacket.packet, "\x80""daala", 6 ) )
+ {
+ if ( Ogg_ReadDaalaHeader( p_stream, &oggpacket ) )
+ msg_Dbg( p_demux,
+ "found daala header, bitrate: %i, rate: %f",
+ p_stream->fmt.i_bitrate, p_stream->f_rate );
+ else
+ {
+ msg_Dbg( p_demux, "found invalid Daala header" );
+ Ogg_LogicalStreamDelete( p_demux, p_stream );
+ p_stream = NULL;
+ p_ogg->i_streams--;
+ }
}
/* Check for Dirac header */
else if( ( oggpacket.bytes >= 5 &&
else
{
msg_Warn( p_demux, "found dirac header isn't decodable" );
- free( p_stream );
+ Ogg_LogicalStreamDelete( p_demux, p_stream );
+ p_stream = NULL;
p_ogg->i_streams--;
}
}
"found tarkin header, bitrate: %i, rate: %f",
p_stream->fmt.i_bitrate, p_stream->f_rate );
}
+ /* Check for VP8 header */
+ else if( oggpacket.bytes >= 26 &&
+ ! memcmp( oggpacket.packet, "OVP80", 5 ) )
+ {
+ if ( Ogg_ReadVP8Header( p_demux, p_stream, &oggpacket ) )
+ msg_Dbg( p_demux, "found VP8 header "
+ "fps: %f, width:%i; height:%i",
+ p_stream->f_rate,
+ p_stream->fmt.video.i_width,
+ p_stream->fmt.video.i_height );
+ else
+ {
+ msg_Dbg( p_demux, "invalid VP8 header found");
+ Ogg_LogicalStreamDelete( p_demux, p_stream );
+ p_stream = NULL;
+ p_ogg->i_streams--;
+ }
+ }
/* Check for Annodex header */
else if( oggpacket.bytes >= 7 &&
! memcmp( oggpacket.packet, "Annodex", 7 ) )
{
Ogg_ReadAnnodexHeader( p_demux, p_stream, &oggpacket );
/* kill annodex track */
- free( p_stream );
+ FREENULL( p_stream );
p_ogg->i_streams--;
}
/* Check for Annodex header */
else if( oggpacket.bytes >= 8 &&
! memcmp( &oggpacket.packet[1], "kate\0\0\0", 7 ) )
{
- Ogg_ReadKateHeader( p_stream, &oggpacket );
- msg_Dbg( p_demux, "found kate header" );
+ if ( Ogg_ReadKateHeader( p_stream, &oggpacket ) )
+ msg_Dbg( p_demux, "found kate header" );
+ else
+ {
+ msg_Dbg( p_demux, "invalid kate header found");
+ Ogg_LogicalStreamDelete( p_demux, p_stream );
+ p_stream = NULL;
+ p_ogg->i_streams--;
+ }
}
+ /* Check for OggDS */
else if( oggpacket.bytes >= 142 &&
!memcmp( &oggpacket.packet[1],
"Direct Show Samples embedded in Ogg", 35 ))
{
/* Old header type */
-
+ p_stream->b_oggds = true;
/* Check for video header (old format) */
if( GetDWLE((oggpacket.packet+96)) == 0x05589f80 &&
oggpacket.bytes >= 184 )
p_stream->fmt.video.i_frame_rate = 10000000;
p_stream->fmt.video.i_frame_rate_base =
GetQWLE((oggpacket.packet+164));
+ p_stream->fmt.video.i_frame_rate_base =
+ __MAX( p_stream->fmt.video.i_frame_rate_base, 1 );
p_stream->f_rate = 10000000.0 /
- GetQWLE((oggpacket.packet+164));
+ p_stream->fmt.video.i_frame_rate_base;
p_stream->fmt.video.i_bits_per_pixel =
GetWLE((oggpacket.packet+182));
if( !p_stream->fmt.video.i_bits_per_pixel )
i_format_tag = GetWLE((oggpacket.packet+124));
p_stream->fmt.audio.i_channels =
GetWLE((oggpacket.packet+126));
+ fill_channels_info(&p_stream->fmt.audio);
p_stream->f_rate = p_stream->fmt.audio.i_rate =
GetDWLE((oggpacket.packet+128));
p_stream->fmt.i_bitrate =
p_stream->fmt.audio.i_rate,
p_stream->fmt.audio.i_bitspersample,
p_stream->fmt.i_bitrate / 1024 );
-
+ if ( p_stream->f_rate == 0 )
+ {
+ msg_Dbg( p_demux, "invalid oggds audio header" );
+ Ogg_LogicalStreamDelete( p_demux, p_stream );
+ p_stream = NULL;
+ p_ogg->i_streams--;
+ }
}
else
{
msg_Dbg( p_demux, "stream %d has an old header "
"but is of an unknown type", p_ogg->i_streams-1 );
- free( p_stream );
+ FREENULL( p_stream );
p_ogg->i_streams--;
}
}
+ /* Check for OggDS */
else if( oggpacket.bytes >= 44+1 &&
(*oggpacket.packet & PACKET_TYPE_BITS ) == PACKET_TYPE_HEADER )
{
stream_header_t tmp;
stream_header_t *st = &tmp;
+ p_stream->b_oggds = true;
+
memcpy( st->streamtype, &oggpacket.packet[1+0], 8 );
memcpy( st->subtype, &oggpacket.packet[1+8], 4 );
st->size = GetDWLE( &oggpacket.packet[1+12] );
p_stream->fmt.i_extra = i_extra_size;
p_stream->fmt.p_extra = malloc( p_stream->fmt.i_extra );
if( p_stream->fmt.p_extra )
- memcpy( p_stream->fmt.p_extra, st + 1,
+ memcpy( p_stream->fmt.p_extra, oggpacket.packet + 57,
p_stream->fmt.i_extra );
else
p_stream->fmt.i_extra = 0;
p_buffer[4] = '\0';
i_format_tag = strtol(p_buffer,NULL,16);
p_stream->fmt.audio.i_channels = st->sh.audio.channels;
+ fill_channels_info(&p_stream->fmt.audio);
if( st->time_unit <= 0 )
st->time_unit = 10000000;
p_stream->f_rate = p_stream->fmt.audio.i_rate = st->samples_per_unit * 10000000 / st->time_unit;
p_stream->fmt.audio.i_rate,
p_stream->fmt.audio.i_bitspersample,
p_stream->fmt.i_bitrate / 1024 );
+ if ( p_stream->f_rate == 0 )
+ {
+ msg_Dbg( p_demux, "invalid oggds audio header" );
+ Ogg_LogicalStreamDelete( p_demux, p_stream );
+ p_stream = NULL;
+ p_ogg->i_streams--;
+ }
}
/* 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_demux, "found text subtitles header" );
+ msg_Dbg( p_demux, "found text subtitle header" );
p_stream->fmt.i_cat = SPU_ES;
p_stream->fmt.i_codec = VLC_CODEC_SUBT;
p_stream->f_rate = 1000; /* granulepos is in millisec */
{
msg_Dbg( p_demux, "stream %d has a header marker "
"but is of an unknown type", p_ogg->i_streams-1 );
- free( p_stream );
+ FREENULL( p_stream );
p_ogg->i_streams--;
}
}
- else if( oggpacket.bytes >= 7 &&
- ! memcmp( oggpacket.packet, "fishead", 7 ) )
+ else if( oggpacket.bytes >= 8 &&
+ ! memcmp( oggpacket.packet, "fishead\0", 8 ) )
{
/* Skeleton */
msg_Dbg( p_demux, "stream %d is a skeleton",
p_ogg->i_streams-1 );
- /* FIXME: https://trac.videolan.org/vlc/ticket/1412 */
+ Ogg_ReadSkeletonHeader( p_demux, p_stream, &oggpacket );
}
else
{
msg_Dbg( p_demux, "stream %d is of unknown type",
p_ogg->i_streams-1 );
- free( p_stream );
+ FREENULL( p_stream );
p_ogg->i_streams--;
}
+ /* we'll need to get all headers */
+ if ( p_stream )
+ p_stream->b_initializing &= p_stream->b_force_backup;
+
if( Ogg_ReadPage( p_demux, &p_ogg->current_page ) != VLC_SUCCESS )
return VLC_EGENERIC;
}
- /* we'll need to get all headers for all of those streams
- that we have to backup headers for */
- p_ogg->i_bos = 0;
- for( i_stream = 0; i_stream < p_ogg->i_streams; i_stream++ )
- {
- if( p_ogg->pp_stream[i_stream]->b_force_backup )
- p_ogg->i_bos++;
- }
-
-
/* This is the first data page, which means we are now finished
* with the initial pages. We just need to store it in the relevant
* bitstream. */
- for( i_stream = 0; i_stream < p_ogg->i_streams; i_stream++ )
+ for( int i_stream = 0; i_stream < p_ogg->i_streams; i_stream++ )
{
if( ogg_stream_pagein( &p_ogg->pp_stream[i_stream]->os,
&p_ogg->current_page ) == 0 )
return VLC_SUCCESS;
}
}
-
- return VLC_EGENERIC;
+
+ return VLC_EGENERIC;
+}
+
+/****************************************************************************
+ * Ogg_CreateES: Creates all Elementary streams once headers are parsed
+ ****************************************************************************/
+static void Ogg_CreateES( demux_t *p_demux )
+{
+ demux_sys_t *p_ogg = p_demux->p_sys;
+ logical_stream_t *p_old_stream = p_ogg->p_old_stream;
+ int i_stream;
+
+ for( i_stream = 0 ; i_stream < p_ogg->i_streams; i_stream++ )
+ {
+ logical_stream_t *p_stream = p_ogg->pp_stream[i_stream];
+
+ if ( p_stream->p_es == NULL && !p_stream->b_finished )
+ {
+ /* Better be safe than sorry when possible with ogm */
+ if( p_stream->fmt.i_codec == VLC_CODEC_MPGA ||
+ p_stream->fmt.i_codec == VLC_CODEC_A52 )
+ p_stream->fmt.b_packetized = false;
+
+ /* Try first to reuse an old ES */
+ if( p_old_stream &&
+ p_old_stream->fmt.i_cat == p_stream->fmt.i_cat &&
+ p_old_stream->fmt.i_codec == p_stream->fmt.i_codec )
+ {
+ msg_Dbg( p_demux, "will reuse old stream to avoid glitch" );
+
+ p_stream->p_es = p_old_stream->p_es;
+ p_stream->b_finished = false;
+ p_stream->b_reinit = false;
+ p_stream->b_initializing = false;
+ p_stream->i_pre_skip = 0;
+ bool b_resetdecoder = Ogg_LogicalStreamResetEsFormat( p_demux, p_stream );
+ es_format_Copy( &p_stream->fmt_old, &p_old_stream->fmt );
+
+ p_old_stream->p_es = NULL;
+ p_old_stream = NULL;
+ if ( b_resetdecoder )
+ {
+ es_out_Control( p_demux->out, ES_OUT_SET_ES_FMT,
+ p_stream->p_es, &p_stream->fmt );
+ }
+ }
+ else
+ {
+ p_stream->p_es = es_out_Add( p_demux->out, &p_stream->fmt );
+ }
+
+ // TODO: something to do here ?
+ if( p_stream->fmt.i_codec == VLC_CODEC_CMML )
+ {
+ /* Set the CMML stream active */
+ es_out_Control( p_demux->out, ES_OUT_SET_ES, p_stream->p_es );
+ }
+ }
+ }
+
+ if( p_ogg->p_old_stream )
+ {
+ if( p_ogg->p_old_stream->p_es )
+ msg_Dbg( p_demux, "old stream not reused" );
+ Ogg_LogicalStreamDelete( p_demux, p_ogg->p_old_stream );
+ p_ogg->p_old_stream = NULL;
+ }
}
/****************************************************************************
static int Ogg_BeginningOfStream( demux_t *p_demux )
{
demux_sys_t *p_ogg = p_demux->p_sys ;
- logical_stream_t *p_old_stream = p_ogg->p_old_stream;
int i_stream;
/* Find the logical streams embedded in the physical stream and
/* initialise kframe index */
p_stream->idx=NULL;
- /* Try first to reuse an old ES */
- if( p_old_stream &&
- p_old_stream->fmt.i_cat == p_stream->fmt.i_cat &&
- p_old_stream->fmt.i_codec == p_stream->fmt.i_codec )
- {
- msg_Dbg( p_demux, "will reuse old stream to avoid glitch" );
-
- p_stream->p_es = p_old_stream->p_es;
- es_format_Copy( &p_stream->fmt_old, &p_old_stream->fmt );
-
- p_old_stream->p_es = NULL;
- p_old_stream = NULL;
- }
-
- if( !p_stream->p_es )
- {
- /* Better be safe than sorry when possible with ogm */
- if( p_stream->fmt.i_codec == VLC_CODEC_MPGA ||
- p_stream->fmt.i_codec == VLC_CODEC_A52 )
- p_stream->fmt.b_packetized = false;
-
- p_stream->p_es = es_out_Add( p_demux->out, &p_stream->fmt );
- }
-
- // TODO: something to do here ?
- if( p_stream->fmt.i_codec == VLC_CODEC_CMML )
- {
- /* Set the CMML stream active */
- es_out_Control( p_demux->out, ES_OUT_SET_ES, p_stream->p_es );
- }
-
- p_ogg->i_bitrate += p_stream->fmt.i_bitrate;
+ if ( p_stream->fmt.i_bitrate == 0 &&
+ ( p_stream->fmt.i_cat == VIDEO_ES ||
+ p_stream->fmt.i_cat == AUDIO_ES ) )
+ p_ogg->b_partial_bitrate = true;
+ else
+ p_ogg->i_bitrate += p_stream->fmt.i_bitrate;
- p_stream->i_pcr = p_stream->i_previous_pcr =
- p_stream->i_interpolated_pcr = -1;
+ p_stream->i_pcr = p_stream->i_previous_pcr = VLC_TS_UNKNOWN;
+ p_stream->i_previous_granulepos = -1;
p_stream->b_reinit = false;
}
- if( p_ogg->p_old_stream )
- {
- if( p_ogg->p_old_stream->p_es )
- msg_Dbg( p_demux, "old stream not reused" );
- Ogg_LogicalStreamDelete( p_demux, p_ogg->p_old_stream );
- p_ogg->p_old_stream = NULL;
- }
-
-
/* get total frame count for video stream; we will need this for seeking */
p_ogg->i_total_frames = 0;
p_ogg->i_bitrate = 0;
p_ogg->i_streams = 0;
p_ogg->pp_stream = NULL;
+ p_ogg->skeleton.major = 0;
+ p_ogg->skeleton.minor = 0;
+ p_ogg->b_preparsing_done = false;
+ p_ogg->b_es_created = false;
+ p_ogg->i_nzpcr_offset = (p_ogg->i_pcr >= VLC_TS_INVALID) ?
+ p_ogg->i_pcr - VLC_TS_0 : 0;
/* */
if( p_ogg->p_meta )
vlc_meta_Delete( p_ogg->p_meta );
p_ogg->p_meta = NULL;
+
+ for ( int i=0; i < p_ogg->i_seekpoints; i++ )
+ {
+ if ( p_ogg->pp_seekpoints[i] )
+ vlc_seekpoint_Delete( p_ogg->pp_seekpoints[i] );
+ }
+ TAB_CLEAN( p_ogg->i_seekpoints, p_ogg->pp_seekpoints );
+ p_ogg->i_seekpoints = 0;
+}
+
+static void Ogg_CleanSpecificData( logical_stream_t *p_stream )
+{
+#ifdef HAVE_LIBVORBIS
+ if ( p_stream->fmt.i_codec == VLC_CODEC_VORBIS )
+ {
+ FREENULL( p_stream->special.vorbis.p_info );
+ FREENULL( p_stream->special.vorbis.p_comment );
+ p_stream->special.vorbis.i_headers_flags = 0;
+ }
+#else
+ VLC_UNUSED( p_stream );
+#endif
}
/**
ogg_stream_clear( &p_stream->os );
free( p_stream->p_headers );
+ Ogg_CleanSpecificData( p_stream );
+
es_format_Clean( &p_stream->fmt_old );
es_format_Clean( &p_stream->fmt );
oggseek_index_entries_free( p_stream->idx );
}
+ Ogg_FreeSkeleton( p_stream->p_skel );
+ p_stream->p_skel = NULL;
+ if ( p_demux->p_sys->p_skelstream == p_stream )
+ p_demux->p_sys->p_skelstream = NULL;
+
+ /* Shouldn't happen */
+ if ( unlikely( p_stream->p_preparse_block ) )
+ {
+ block_ChainRelease( p_stream->p_preparse_block );
+ p_stream->p_preparse_block = NULL;
+ }
+ free( p_stream->prepcr.pp_blocks );
+
free( p_stream );
}
/**
b_match = false;
}
- for( unsigned i = 0; i < i_new_count; i++ )
- free( pp_new_data[i] );
- for( unsigned i = 0; i < i_old_count; i++ )
- free( pp_old_data[i] );
return b_match;
}
memcmp(p_old_map, p_new_map,
i_new_channel_count*sizeof(*p_new_map)) == 0;
}
- for( unsigned i = 0; i < i_new_count; i++ )
- free( pp_new_data[i] );
- for( unsigned i = 0; i < i_old_count; i++ )
- free( pp_old_data[i] );
+
return b_match;
}
return !b_compatible;
}
-static void Ogg_ExtractXiphMeta( demux_t *p_demux, const void *p_headers, unsigned i_headers, unsigned i_skip )
+
+static void Ogg_ExtractComments( demux_t *p_demux, es_format_t *p_fmt,
+ const void *p_headers, unsigned i_headers )
{
demux_sys_t *p_ogg = p_demux->p_sys;
+ int i_cover_score = 0;
+ int i_cover_idx = 0;
+ float pf_replay_gain[AUDIO_REPLAY_GAIN_MAX];
+ float pf_replay_peak[AUDIO_REPLAY_GAIN_MAX];
+ for(int i=0; i< AUDIO_REPLAY_GAIN_MAX; i++ )
+ {
+ pf_replay_gain[i] = 0;
+ pf_replay_peak[i] = 0;
+ }
+ vorbis_ParseComment( p_fmt, &p_ogg->p_meta, p_headers, i_headers,
+ &p_ogg->i_attachments, &p_ogg->attachments,
+ &i_cover_score, &i_cover_idx,
+ &p_ogg->i_seekpoints, &p_ogg->pp_seekpoints,
+ &pf_replay_gain, &pf_replay_peak );
+ if( p_ogg->p_meta != NULL && i_cover_idx < p_ogg->i_attachments )
+ {
+ char psz_url[128];
+ snprintf( psz_url, sizeof(psz_url), "attachment://%s",
+ p_ogg->attachments[i_cover_idx]->psz_name );
+ vlc_meta_Set( p_ogg->p_meta, vlc_meta_ArtworkURL, psz_url );
+ }
+
+ for ( int i=0; i<AUDIO_REPLAY_GAIN_MAX;i++ )
+ {
+ if ( pf_replay_gain[i] != 0 )
+ {
+ p_fmt->audio_replay_gain.pb_gain[i] = true;
+ p_fmt->audio_replay_gain.pf_gain[i] = pf_replay_gain[i];
+ msg_Dbg( p_demux, "setting replay gain %d to %f", i, pf_replay_gain[i] );
+ }
+ if ( pf_replay_peak[i] != 0 )
+ {
+ p_fmt->audio_replay_gain.pb_peak[i] = true;
+ p_fmt->audio_replay_gain.pf_peak[i] = pf_replay_peak[i];
+ msg_Dbg( p_demux, "setting replay peak %d to %f", i, pf_replay_gain[i] );
+ }
+ }
+
+ if( p_ogg->i_seekpoints > 1 )
+ {
+ p_demux->info.i_update |= INPUT_UPDATE_TITLE_LIST;
+ }
+}
+static void Ogg_ExtractXiphMeta( demux_t *p_demux, es_format_t *p_fmt,
+ const void *p_headers, unsigned i_headers, unsigned i_skip )
+{
unsigned pi_size[XIPH_MAX_HEADER_COUNT];
void *pp_data[XIPH_MAX_HEADER_COUNT];
unsigned i_count;
+
if( xiph_SplitHeaders( pi_size, pp_data, &i_count, i_headers, p_headers ) )
return;
-
/* TODO how to handle multiple comments properly ? */
if( i_count >= 2 && pi_size[1] > i_skip )
- vorbis_ParseComment( &p_ogg->p_meta, (uint8_t*)pp_data[1] + i_skip, pi_size[1] - i_skip,
- &p_ogg->i_attachments, &p_ogg->attachments );
-
- for( unsigned i = 0; i < i_count; i++ )
- free( pp_data[i] );
+ {
+ Ogg_ExtractComments( p_demux, p_fmt, (uint8_t*)pp_data[1] + i_skip, pi_size[1] - i_skip );
+ }
}
-static void Ogg_ExtractMeta( demux_t *p_demux, vlc_fourcc_t i_codec, const uint8_t *p_headers, int i_headers )
+
+static void Ogg_ExtractMeta( demux_t *p_demux, es_format_t *p_fmt, const uint8_t *p_headers, int i_headers )
{
demux_sys_t *p_ogg = p_demux->p_sys;
- switch( i_codec )
+ switch( p_fmt->i_codec )
{
/* 3 headers with the 2° one being the comments */
case VLC_CODEC_VORBIS:
case VLC_CODEC_THEORA:
- Ogg_ExtractXiphMeta( p_demux, p_headers, i_headers, 1+6 );
+ case VLC_CODEC_DAALA:
+ Ogg_ExtractXiphMeta( p_demux, p_fmt, p_headers, i_headers, 1+6 );
break;
case VLC_CODEC_OPUS:
- Ogg_ExtractXiphMeta( p_demux, p_headers, i_headers, 8 );
+ Ogg_ExtractXiphMeta( p_demux, p_fmt, p_headers, i_headers, 8 );
break;
case VLC_CODEC_SPEEX:
- Ogg_ExtractXiphMeta( p_demux, p_headers, i_headers, 0 );
+ Ogg_ExtractXiphMeta( p_demux, p_fmt, p_headers, i_headers, 0 );
+ break;
+ case VLC_CODEC_VP8:
+ Ogg_ExtractComments( p_demux, p_fmt, p_headers, i_headers );
break;
-
/* N headers with the 2° one being the comments */
case VLC_CODEC_KATE:
/* 1 byte for header type, 7 bytes for magic, 1 reserved zero byte */
- Ogg_ExtractXiphMeta( p_demux, p_headers, i_headers, 1+7+1 );
+ Ogg_ExtractXiphMeta( p_demux, p_fmt, p_headers, i_headers, 1+7+1 );
break;
/* TODO */
case VLC_CODEC_FLAC:
- msg_Warn( p_demux, "Ogg_ExtractMeta does not support %4.4s", (const char*)&i_codec );
+ msg_Warn( p_demux, "Ogg_ExtractMeta does not support %4.4s", (const char*)&p_fmt->i_codec );
break;
/* No meta data */
p_demux->info.i_update |= INPUT_UPDATE_META;
}
-static void Ogg_ReadTheoraHeader( demux_t *p_demux, logical_stream_t *p_stream,
+static bool Ogg_ReadTheoraHeader( logical_stream_t *p_stream,
ogg_packet *p_oggpacket )
{
bs_t bitstream;
- int i_fps_numerator;
- int i_fps_denominator;
+ unsigned int i_fps_numerator;
+ unsigned int i_fps_denominator;
int i_keyframe_frequency_force;
int i_major;
int i_minor;
/* Signal that we want to keep a backup of the theora
* stream headers. They will be used when switching between
* audio streams. */
- p_stream->b_force_backup = 1;
+ p_stream->b_force_backup = true;
/* Cheat and get additionnal info ;) */
bs_init( &bitstream, p_oggpacket->packet, p_oggpacket->bytes );
i_fps_numerator = bs_read( &bitstream, 32 );
i_fps_denominator = bs_read( &bitstream, 32 );
+ i_fps_denominator = __MAX( i_fps_denominator, 1 );
bs_read( &bitstream, 24 ); /* aspect_numerator */
bs_read( &bitstream, 24 ); /* aspect_denominator */
i_version = i_major * 1000000 + i_minor * 1000 + i_subminor;
p_stream->i_keyframe_offset = 0;
+ p_stream->f_rate = ((double)i_fps_numerator) / i_fps_denominator;
+ if ( p_stream->f_rate == 0 ) return false;
if ( i_version >= 3002001 )
{
p_stream->i_keyframe_offset = 1;
}
- if ( p_demux->p_sys->i_length < 0 )
- {
- int64_t last_frame = oggseek_get_last_frame( p_demux, p_stream );
- /*
- * Since there's quite a good chance that ogg_stream_packetout was called,
- * the given p_oggpacket may point to invalid data. Fill it with some valid ones
- */
- ogg_stream_packetpeek( &p_stream->os, p_oggpacket );
+ return true;
+}
- if ( last_frame >= 0 )
- {
- p_demux->p_sys->i_length = last_frame / ((float)i_fps_numerator /
- (float)i_fps_denominator);
- }
+static bool Ogg_ReadDaalaHeader( logical_stream_t *p_stream,
+ ogg_packet *p_oggpacket )
+{
+ oggpack_buffer opb;
+ uint32_t i_timebase_numerator;
+ uint32_t i_timebase_denominator;
+ int i_keyframe_frequency_force;
+ uint8_t i_major;
+ uint8_t i_minor;
+ uint8_t i_subminor;
+ int i_version;
+
+ p_stream->fmt.i_cat = VIDEO_ES;
+ p_stream->fmt.i_codec = VLC_CODEC_DAALA;
+
+ /* Signal that we want to keep a backup of the daala
+ * stream headers. They will be used when switching between
+ * audio streams. */
+ p_stream->b_force_backup = true;
+
+ /* Cheat and get additionnal info ;) */
+ oggpack_readinit( &opb, p_oggpacket->packet, p_oggpacket->bytes );
+ oggpack_adv( &opb, 48 );
+
+ i_major = oggpack_read( &opb, 8 ); /* major version num */
+ i_minor = oggpack_read( &opb, 8 ); /* minor version num */
+ i_subminor = oggpack_read( &opb, 8 ); /* subminor version num */
+
+ oggpack_adv( &opb, 32 ); /* width */
+ oggpack_adv( &opb, 32 ); /* height */
+
+ oggpack_adv( &opb, 32 ); /* aspect numerator */
+ oggpack_adv( &opb, 32 ); /* aspect denominator */
+ i_timebase_numerator = oggpack_read( &opb, 32 );
+
+ i_timebase_denominator = oggpack_read( &opb, 32 );
+ i_timebase_denominator = __MAX( i_timebase_denominator, 1 );
+
+ p_stream->fmt.video.i_frame_rate = i_timebase_numerator;
+ p_stream->fmt.video.i_frame_rate_base = i_timebase_denominator;
+
+ oggpack_adv( &opb, 32 ); /* frame duration */
+
+ i_keyframe_frequency_force = 1 << oggpack_read( &opb, 8 );
+
+ /* granule_shift = i_log( frequency_force -1 ) */
+ p_stream->i_granule_shift = 0;
+ i_keyframe_frequency_force--;
+ while( i_keyframe_frequency_force )
+ {
+ p_stream->i_granule_shift++;
+ i_keyframe_frequency_force >>= 1;
}
- p_stream->f_rate = ((float)i_fps_numerator) / i_fps_denominator;
+ i_version = i_major * 1000000 + i_minor * 1000 + i_subminor;
+ p_stream->i_keyframe_offset = 0;
+ p_stream->f_rate = ((double)i_timebase_numerator) / i_timebase_denominator;
+ if ( p_stream->f_rate == 0 ) return false;
+
+ return true;
}
-static void Ogg_ReadVorbisHeader( logical_stream_t *p_stream,
+static bool Ogg_ReadVorbisHeader( logical_stream_t *p_stream,
ogg_packet *p_oggpacket )
{
oggpack_buffer opb;
/* 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;
+ p_stream->b_force_backup = true;
/* Cheat and get additionnal info ;) */
oggpack_readinit( &opb, p_oggpacket->packet, p_oggpacket->bytes);
oggpack_adv( &opb, 88 );
p_stream->fmt.audio.i_channels = oggpack_read( &opb, 8 );
+ fill_channels_info(&p_stream->fmt.audio);
p_stream->f_rate = p_stream->fmt.audio.i_rate =
oggpack_read( &opb, 32 );
oggpack_adv( &opb, 32 );
- p_stream->fmt.i_bitrate = oggpack_read( &opb, 32 );
+ p_stream->fmt.i_bitrate = oggpack_read( &opb, 32 ); /* is signed 32 */
+ if( p_stream->fmt.i_bitrate > INT32_MAX ) p_stream->fmt.i_bitrate = 0;
+ if ( p_stream->f_rate == 0 ) return false;
+ return true;
+}
+#ifdef HAVE_LIBVORBIS
+static void Ogg_DecodeVorbisHeader( logical_stream_t *p_stream,
+ ogg_packet *p_oggpacket, int i_number )
+{
+ switch( i_number )
+ {
+ case VORBIS_HEADER_IDENTIFICATION:
+ p_stream->special.vorbis.p_info = calloc( 1, sizeof(vorbis_info) );
+ p_stream->special.vorbis.p_comment = malloc( sizeof(vorbis_comment) );
+ if ( !p_stream->special.vorbis.p_info || !p_stream->special.vorbis.p_comment )
+ {
+ FREENULL( p_stream->special.vorbis.p_info );
+ FREENULL( p_stream->special.vorbis.p_comment );
+ break;
+ }
+ vorbis_info_init( p_stream->special.vorbis.p_info );
+ vorbis_comment_init( p_stream->special.vorbis.p_comment );
+ // ft
+
+ case VORBIS_HEADER_COMMENT:
+ case VORBIS_HEADER_SETUP:
+ if ( !p_stream->special.vorbis.p_info ||
+ vorbis_synthesis_headerin(
+ p_stream->special.vorbis.p_info,
+ p_stream->special.vorbis.p_comment, p_oggpacket ) )
+ break;
+
+ p_stream->special.vorbis.i_headers_flags |= VORBIS_HEADER_TO_FLAG(i_number);
+ // ft
+
+ default:
+ break;
+ }
}
+#endif
-static void Ogg_ReadSpeexHeader( logical_stream_t *p_stream,
+static bool Ogg_ReadSpeexHeader( logical_stream_t *p_stream,
ogg_packet *p_oggpacket )
{
oggpack_buffer opb;
/* Signal that we want to keep a backup of the speex
* stream headers. They will be used when switching between
* audio streams. */
- p_stream->b_force_backup = 1;
+ p_stream->b_force_backup = true;
/* Cheat and get additionnal info ;) */
oggpack_readinit( &opb, p_oggpacket->packet, p_oggpacket->bytes);
oggpack_adv( &opb, 32 ); /* speex_version_id */
oggpack_adv( &opb, 32 ); /* header_size */
p_stream->f_rate = p_stream->fmt.audio.i_rate = oggpack_read( &opb, 32 );
+ if ( p_stream->f_rate == 0 ) return false;
oggpack_adv( &opb, 32 ); /* mode */
oggpack_adv( &opb, 32 ); /* mode_bitstream_version */
p_stream->fmt.audio.i_channels = oggpack_read( &opb, 32 );
+ fill_channels_info(&p_stream->fmt.audio);
p_stream->fmt.i_bitrate = oggpack_read( &opb, 32 );
+ p_stream->special.speex.i_framesize =
+ oggpack_read( &opb, 32 ); /* frame_size */
+ oggpack_adv( &opb, 32 ); /* vbr */
+ p_stream->special.speex.i_framesperpacket =
+ oggpack_read( &opb, 32 ); /* frames_per_packet */
+ p_stream->i_extra_headers_packets = oggpack_read( &opb, 32 ); /* extra_headers */
+ return true;
}
-static void Ogg_ReadOpusHeader( demux_t *p_demux,
- logical_stream_t *p_stream,
+static void Ogg_ReadOpusHeader( logical_stream_t *p_stream,
ogg_packet *p_oggpacket )
{
oggpack_buffer opb;
/* Signal that we want to keep a backup of the opus
* stream headers. They will be used when switching between
* audio streams. */
- p_stream->b_force_backup = 1;
+ p_stream->b_force_backup = true;
/* All OggOpus streams are timestamped at 48kHz and
* can be played at 48kHz. */
oggpack_adv( &opb, 64 );
oggpack_adv( &opb, 8 ); /* version_id */
p_stream->fmt.audio.i_channels = oggpack_read( &opb, 8 );
+ fill_channels_info(&p_stream->fmt.audio);
p_stream->i_pre_skip = oggpack_read( &opb, 16 );
-
- if ( p_demux->p_sys->i_length < 0 )
- {
- int64_t last_frame = oggseek_get_last_frame( p_demux, p_stream );
- /*
- * Since there's quite a good chance that ogg_stream_packetout was called,
- * the given p_oggpacket may point to invalid data. Fill it with some valid ones
- */
- ogg_stream_packetpeek( &p_stream->os, p_oggpacket );
-
- if ( last_frame >= 0 )
- {
- p_demux->p_sys->i_length = last_frame / p_stream->f_rate;
- }
- }
+ /* For Opus, trash the first 80 ms of decoded output as
+ well, to avoid blowing out speakers if we get unlucky.
+ Opus predicts content from prior frames, which can go
+ badly if we seek right where the stream goes from very
+ quiet to very loud. It will converge after a bit. */
+ p_stream->i_pre_skip = __MAX( 80*48, p_stream->i_pre_skip );
}
-static void Ogg_ReadFlacHeader( demux_t *p_demux, logical_stream_t *p_stream,
+static bool Ogg_ReadFlacHeader( demux_t *p_demux, logical_stream_t *p_stream,
ogg_packet *p_oggpacket )
{
/* Parse the STREAMINFO metadata */
bs_init( &s, p_oggpacket->packet, p_oggpacket->bytes );
bs_read( &s, 1 );
- if( p_oggpacket->bytes > 0 && bs_read( &s, 7 ) == 0 )
+ if( p_oggpacket->bytes > 0 && bs_read( &s, 7 ) != 0 )
{
- if( bs_read( &s, 24 ) >= 34 /*size STREAMINFO*/ )
- {
- bs_skip( &s, 80 );
- p_stream->f_rate = p_stream->fmt.audio.i_rate = bs_read( &s, 20 );
- p_stream->fmt.audio.i_channels = bs_read( &s, 3 ) + 1;
-
- msg_Dbg( p_demux, "FLAC header, channels: %i, rate: %i",
- p_stream->fmt.audio.i_channels, (int)p_stream->f_rate );
- }
- else
- {
- msg_Dbg( p_demux, "FLAC STREAMINFO metadata too short" );
- }
+ msg_Dbg( p_demux, "Invalid FLAC STREAMINFO metadata" );
+ return false;
+ }
- /* Fake this as the last metadata block */
- *((uint8_t*)p_oggpacket->packet) |= 0x80;
+ if( bs_read( &s, 24 ) >= 34 /*size STREAMINFO*/ )
+ {
+ bs_skip( &s, 80 );
+ p_stream->f_rate = p_stream->fmt.audio.i_rate = bs_read( &s, 20 );
+ p_stream->fmt.audio.i_channels = bs_read( &s, 3 ) + 1;
+ fill_channels_info(&p_stream->fmt.audio);
+
+ msg_Dbg( p_demux, "FLAC header, channels: %i, rate: %i",
+ p_stream->fmt.audio.i_channels, (int)p_stream->f_rate );
+ if ( p_stream->f_rate == 0 ) return false;
}
else
{
- /* This ain't a STREAMINFO metadata */
- msg_Dbg( p_demux, "Invalid FLAC STREAMINFO metadata" );
+ msg_Dbg( p_demux, "FLAC STREAMINFO metadata too short" );
}
+
+ /* Fake this as the last metadata block */
+ *((uint8_t*)p_oggpacket->packet) |= 0x80;
+ return true;
}
-static void Ogg_ReadKateHeader( logical_stream_t *p_stream,
+static bool Ogg_ReadKateHeader( logical_stream_t *p_stream,
ogg_packet *p_oggpacket )
{
oggpack_buffer opb;
- int32_t gnum;
- int32_t gden;
+ uint32_t gnum;
+ uint32_t gden;
int n;
char *psz_desc;
/* Signal that we want to keep a backup of the kate
* stream headers. They will be used when switching between
* kate streams. */
- p_stream->b_force_backup = 1;
+ p_stream->b_force_backup = true;
/* Cheat and get additionnal info ;) */
oggpack_readinit( &opb, p_oggpacket->packet, p_oggpacket->bytes);
oggpack_adv( &opb, 11*8 ); /* packet type, kate magic, version */
- p_stream->i_kate_num_headers = oggpack_read( &opb, 8 );
+ p_stream->special.kate.i_num_headers = oggpack_read( &opb, 8 );
oggpack_adv( &opb, 3*8 );
p_stream->i_granule_shift = oggpack_read( &opb, 8 );
oggpack_adv( &opb, 8*8 ); /* reserved */
gnum = oggpack_read( &opb, 32 );
gden = oggpack_read( &opb, 32 );
+ gden = __MAX( gden, 1 );
p_stream->f_rate = (double)gnum/gden;
+ if ( p_stream->f_rate == 0 ) return false;
p_stream->fmt.psz_language = malloc(16);
if( p_stream->fmt.psz_language )
for( n = 0; n < 16; n++ )
oggpack_read(&opb,8);
}
+
+ return true;
+}
+
+static bool Ogg_ReadVP8Header( demux_t *p_demux, logical_stream_t *p_stream,
+ ogg_packet *p_oggpacket )
+{
+ switch( p_oggpacket->packet[5] )
+ {
+ /* STREAMINFO */
+ case 0x01:
+ /* Mapping version */
+ if ( p_oggpacket->packet[6] != 0x01 || p_oggpacket->packet[7] != 0x00 )
+ return false;
+ p_stream->fmt.i_cat = VIDEO_ES;
+ p_stream->fmt.i_codec = VLC_CODEC_VP8;
+ p_stream->i_granule_shift = 32;
+ p_stream->fmt.video.i_width = GetWBE( &p_oggpacket->packet[8] );
+ p_stream->fmt.video.i_height = GetWBE( &p_oggpacket->packet[10] );
+ p_stream->fmt.video.i_sar_num = GetDWBE( &p_oggpacket->packet[12 - 1] ) & 0x0FFF;
+ p_stream->fmt.video.i_sar_den = GetDWBE( &p_oggpacket->packet[15 - 1] ) & 0x0FFF;
+ p_stream->fmt.video.i_frame_rate = GetDWBE( &p_oggpacket->packet[18] );
+ p_stream->fmt.video.i_frame_rate_base = GetDWBE( &p_oggpacket->packet[22] );
+ p_stream->fmt.video.i_frame_rate_base =
+ __MAX( p_stream->fmt.video.i_frame_rate_base, 1 );
+ p_stream->f_rate = (double) p_stream->fmt.video.i_frame_rate / p_stream->fmt.video.i_frame_rate_base;
+ if ( p_stream->f_rate == 0 ) return false;
+ return true;
+ /* METADATA */
+ case 0x02:
+ Ogg_ExtractMeta( p_demux, & p_stream->fmt,
+ p_oggpacket->packet + 7, p_oggpacket->bytes - 7 );
+ return true;
+ default:
+ return false;
+ }
+}
+
+static void Ogg_ApplyContentType( logical_stream_t *p_stream, const char* psz_value,
+ bool *b_force_backup, bool *b_packet_out )
+{
+ if( !strncmp(psz_value, "audio/x-wav", 11) )
+ {
+ /* n.b. WAVs are unsupported right now */
+ p_stream->fmt.i_cat = UNKNOWN_ES;
+ free( p_stream->fmt.psz_description );
+ p_stream->fmt.psz_description = strdup("WAV Audio (Unsupported)");
+ }
+ else if( !strncmp(psz_value, "audio/x-vorbis", 14) ||
+ !strncmp(psz_value, "audio/vorbis", 12) )
+ {
+ p_stream->fmt.i_cat = AUDIO_ES;
+ p_stream->fmt.i_codec = VLC_CODEC_VORBIS;
+
+ *b_force_backup = true;
+ }
+ else if( !strncmp(psz_value, "audio/x-speex", 13) ||
+ !strncmp(psz_value, "audio/speex", 11) )
+ {
+ p_stream->fmt.i_cat = AUDIO_ES;
+ p_stream->fmt.i_codec = VLC_CODEC_SPEEX;
+
+ *b_force_backup = true;
+ }
+ else if( !strncmp(psz_value, "audio/flac", 10) )
+ {
+ p_stream->fmt.i_cat = AUDIO_ES;
+ p_stream->fmt.i_codec = VLC_CODEC_FLAC;
+
+ *b_force_backup = true;
+ }
+ else if( !strncmp(psz_value, "video/x-theora", 14) ||
+ !strncmp(psz_value, "video/theora", 12) )
+ {
+ p_stream->fmt.i_cat = VIDEO_ES;
+ p_stream->fmt.i_codec = VLC_CODEC_THEORA;
+
+ *b_force_backup = true;
+ }
+ else if( !strncmp(psz_value, "video/x-daala", 13) ||
+ !strncmp(psz_value, "video/daala", 11) )
+ {
+ p_stream->fmt.i_cat = VIDEO_ES;
+ p_stream->fmt.i_codec = VLC_CODEC_DAALA;
+
+ *b_force_backup = true;
+ }
+ else if( !strncmp(psz_value, "video/x-xvid", 12) )
+ {
+ p_stream->fmt.i_cat = VIDEO_ES;
+ p_stream->fmt.i_codec = VLC_FOURCC( 'x','v','i','d' );
+
+ *b_force_backup = true;
+ }
+ else if( !strncmp(psz_value, "video/mpeg", 10) )
+ {
+ /* n.b. MPEG streams are unsupported right now */
+ p_stream->fmt.i_cat = VIDEO_ES;
+ p_stream->fmt.i_codec = VLC_CODEC_MPGV;
+ }
+ else if( !strncmp(psz_value, "text/x-cmml", 11) ||
+ !strncmp(psz_value, "text/cmml", 9) )
+ {
+ p_stream->fmt.i_cat = SPU_ES;
+ p_stream->fmt.i_codec = VLC_CODEC_CMML;
+ *b_packet_out = true;
+ }
+ else if( !strncmp(psz_value, "application/kate", 16) )
+ {
+ /* ??? */
+ p_stream->fmt.i_cat = UNKNOWN_ES;
+ free( p_stream->fmt.psz_description );
+ p_stream->fmt.psz_description = strdup("OGG Kate Overlay (Unsupported)");
+ }
+ else if( !strncmp(psz_value, "video/x-vp8", 11) )
+ {
+ p_stream->fmt.i_cat = VIDEO_ES;
+ p_stream->fmt.i_codec = VLC_CODEC_VP8;
+ }
}
static void Ogg_ReadAnnodexHeader( demux_t *p_demux,
uint64_t timebase_numerator;
uint64_t timebase_denominator;
- Ogg_ReadTheoraHeader( p_demux, p_stream, p_oggpacket );
+ Ogg_ReadTheoraHeader( p_stream, p_oggpacket );
oggpack_readinit( &opb, p_oggpacket->packet, p_oggpacket->bytes);
oggpack_adv( &opb, 8*8 ); /* "Annodex\0" header */
minor_version = oggpack_read( &opb, 2*8 ); /* minor version */
timebase_numerator = GetQWLE( &p_oggpacket->packet[16] );
timebase_denominator = GetQWLE( &p_oggpacket->packet[24] );
+
+ msg_Dbg( p_demux, "Annodex info: version %"PRIu16".%"PRIu16" "
+ "Timebase %"PRId64" / %"PRId64,
+ major_version, minor_version,
+ timebase_numerator, timebase_denominator );
}
else if( p_oggpacket->bytes >= 42 &&
!memcmp( p_oggpacket->packet, "AnxData", 7 ) )
/* What type of file do we have?
* strcmp is safe to use here because we've extracted
* content_type_string from the stream manually */
- if( !strncmp(content_type_string, "audio/x-wav", 11) )
+ bool b_dopacketout = false;
+ Ogg_ApplyContentType( p_stream, content_type_string,
+ &p_stream->b_force_backup, &b_dopacketout );
+ if ( b_dopacketout ) ogg_stream_packetout( &p_stream->os, p_oggpacket );
+ }
+}
+
+static void Ogg_ReadSkeletonHeader( demux_t *p_demux, logical_stream_t *p_stream,
+ ogg_packet *p_oggpacket )
+{
+ p_demux->p_sys->p_skelstream = p_stream;
+ /* There can be only 1 skeleton for streams */
+ p_demux->p_sys->skeleton.major = GetWLE( &p_oggpacket->packet[8] );
+ p_demux->p_sys->skeleton.minor = GetWLE( &p_oggpacket->packet[10] );
+ if ( asprintf( & p_stream->fmt.psz_description,
+ "OGG Skeleton version %" PRIu16 ".%" PRIu16,
+ p_demux->p_sys->skeleton.major,
+ p_demux->p_sys->skeleton.minor ) < 0 )
+ p_stream->fmt.psz_description = NULL;
+}
+
+static void Ogg_ReadSkeletonBones( demux_t *p_demux, ogg_packet *p_oggpacket )
+{
+ if ( p_demux->p_sys->skeleton.major < 3 || p_oggpacket->bytes < 52 ) return;
+
+ /* Find the matching stream for this skeleton data */
+ ogg_int32_t i_serialno = GetDWLE( &p_oggpacket->packet[12] );
+ logical_stream_t *p_target_stream = NULL;
+ for ( int i=0; i< p_demux->p_sys->i_streams; i++ )
+ {
+ if ( p_demux->p_sys->pp_stream[i]->i_serial_no == i_serialno )
{
- /* n.b. WAVs are unsupported right now */
- p_stream->fmt.i_cat = UNKNOWN_ES;
+ p_target_stream = p_demux->p_sys->pp_stream[i];
+ break;
}
- else if( !strncmp(content_type_string, "audio/x-vorbis", 14) )
- {
- p_stream->fmt.i_cat = AUDIO_ES;
- p_stream->fmt.i_codec = VLC_CODEC_VORBIS;
+ }
+ if ( !p_target_stream ) return;
- p_stream->b_force_backup = 1;
- }
- else if( !strncmp(content_type_string, "audio/x-speex", 13) )
- {
- p_stream->fmt.i_cat = AUDIO_ES;
- p_stream->fmt.i_codec = VLC_CODEC_SPEEX;
+ ogg_skeleton_t *p_skel = p_target_stream->p_skel;
+ if ( !p_skel )
+ {
+ p_skel = malloc( sizeof( ogg_skeleton_t ) );
+ if ( !p_skel ) return;
+ TAB_INIT( p_skel->i_messages, p_skel->ppsz_messages );
+ p_skel->p_index = NULL;
+ p_target_stream->p_skel = p_skel;
+ }
- p_stream->b_force_backup = 1;
- }
- else if( !strncmp(content_type_string, "video/x-theora", 14) )
+ const unsigned char *p_messages = p_oggpacket->packet + 8 + GetDWLE( &p_oggpacket->packet[8] );
+ const unsigned char *p_boundary = p_oggpacket->packet + p_oggpacket->bytes;
+ const unsigned char *p = p_messages;
+ while ( p <= p_boundary - 1 && p > p_oggpacket->packet )
+ {
+ if ( *p == 0x0D && *(p+1) == 0x0A )
{
- p_stream->fmt.i_cat = VIDEO_ES;
- p_stream->fmt.i_codec = VLC_CODEC_THEORA;
-
- p_stream->b_force_backup = 1;
+ char *psz_message = strndup( (const char *) p_messages,
+ p - p_messages );
+ if ( psz_message )
+ {
+ msg_Dbg( p_demux, "stream %" PRId32 " [%s]", i_serialno, psz_message );
+ TAB_APPEND( p_skel->i_messages, p_skel->ppsz_messages, psz_message );
+ }
+ if ( p < p_boundary - 1 ) p_messages = p + 2;
}
- else if( !strncmp(content_type_string, "video/x-xvid", 12) )
+ p++;
+ }
+
+}
+
+/* Unpacks the 7bit variable encoding used in skeleton indexes */
+unsigned const char * Read7BitsVariableLE( unsigned const char *p_begin,
+ unsigned const char *p_end,
+ uint64_t *pi_value )
+{
+ int i_shift = 0;
+ int64_t i_read = 0;
+ *pi_value = 0;
+
+ while ( p_begin < p_end )
+ {
+ i_read = *p_begin & 0x7F; /* High bit is start of integer */
+ *pi_value = *pi_value | ( i_read << i_shift );
+ i_shift += 7;
+ if ( (*p_begin++ & 0x80) == 0x80 ) break; /* see prev */
+ }
+
+ *pi_value = GetQWLE( pi_value );
+ return p_begin;
+}
+
+static void Ogg_ReadSkeletonIndex( demux_t *p_demux, ogg_packet *p_oggpacket )
+{
+ if ( p_demux->p_sys->skeleton.major < 4
+ || p_oggpacket->bytes < 44 /* Need at least 1 index value (42+1+1) */
+ ) return;
+
+ /* Find the matching stream for this skeleton data */
+ int32_t i_serialno = GetDWLE( &p_oggpacket->packet[6] );
+ logical_stream_t *p_stream = NULL;
+ for ( int i=0; i< p_demux->p_sys->i_streams; i++ )
+ {
+ if ( p_demux->p_sys->pp_stream[i]->i_serial_no == i_serialno )
{
- p_stream->fmt.i_cat = VIDEO_ES;
- p_stream->fmt.i_codec = VLC_FOURCC( 'x','v','i','d' );
+ p_stream = p_demux->p_sys->pp_stream[i];
+ break;
+ }
+ }
+ if ( !p_stream || !p_stream->p_skel ) return;
+ uint64_t i_keypoints = GetQWLE( &p_oggpacket->packet[10] );
+ msg_Dbg( p_demux, "%" PRIi64 " index data for %" PRIi32, i_keypoints, i_serialno );
+ if ( !i_keypoints ) return;
+
+ p_stream->p_skel->i_indexstampden = GetQWLE( &p_oggpacket->packet[18] );
+ p_stream->p_skel->i_indexfirstnum = GetQWLE( &p_oggpacket->packet[24] );
+ p_stream->p_skel->i_indexlastnum = GetQWLE( &p_oggpacket->packet[32] );
+ unsigned const char *p_fwdbyte = &p_oggpacket->packet[42];
+ unsigned const char *p_boundary = p_oggpacket->packet + p_oggpacket->bytes;
+ uint64_t i_offset = 0;
+ uint64_t i_time = 0;
+ uint64_t i_keypoints_found = 0;
+
+ while( p_fwdbyte < p_boundary && i_keypoints_found < i_keypoints )
+ {
+ uint64_t i_val;
+ p_fwdbyte = Read7BitsVariableLE( p_fwdbyte, p_boundary, &i_val );
+ i_offset += i_val;
+ p_fwdbyte = Read7BitsVariableLE( p_fwdbyte, p_boundary, &i_val );
+ i_time += i_val * p_stream->p_skel->i_indexstampden;
+ i_keypoints_found++;
+ }
+
+ if ( i_keypoints_found != i_keypoints )
+ {
+ msg_Warn( p_demux, "Invalid Index: missing entries" );
+ return;
+ }
+
+ p_stream->p_skel->p_index = malloc( p_oggpacket->bytes - 42 );
+ if ( !p_stream->p_skel->p_index ) return;
+ memcpy( p_stream->p_skel->p_index, &p_oggpacket->packet[42],
+ p_oggpacket->bytes - 42 );
+ p_stream->p_skel->i_index = i_keypoints_found;
+ p_stream->p_skel->i_index_size = p_oggpacket->bytes - 42;
+}
+
+static void Ogg_FreeSkeleton( ogg_skeleton_t *p_skel )
+{
+ if ( !p_skel ) return;
+ for ( int i=0; i< p_skel->i_messages; i++ )
+ free( p_skel->ppsz_messages[i] );
+ TAB_CLEAN( p_skel->i_messages, p_skel->ppsz_messages );
+ free( p_skel->p_index );
+ free( p_skel );
+}
- p_stream->b_force_backup = 1;
+static void Ogg_ApplySkeleton( logical_stream_t *p_stream )
+{
+ if ( !p_stream->p_skel ) return;
+ for ( int i=0; i< p_stream->p_skel->i_messages; i++ )
+ {
+ const char *psz_message = p_stream->p_skel->ppsz_messages[i];
+ if ( ! strncmp( "Name: ", psz_message, 6 ) )
+ {
+ free( p_stream->fmt.psz_description );
+ p_stream->fmt.psz_description = strdup( psz_message + 6 );
}
- else if( !strncmp(content_type_string, "video/mpeg", 10) )
+ else if ( ! strncmp("Content-Type: ", psz_message, 14 ) )
{
- /* n.b. MPEG streams are unsupported right now */
- p_stream->fmt.i_cat = VIDEO_ES;
- p_stream->fmt.i_codec = VLC_CODEC_MPGV;
+ bool b_foo;
+ Ogg_ApplyContentType( p_stream, psz_message + 14, &b_foo, &b_foo );
}
- else if( !strncmp(content_type_string, "text/x-cmml", 11) )
+ }
+}
+
+/* Return true if there's a skeleton exact match */
+bool Ogg_GetBoundsUsingSkeletonIndex( logical_stream_t *p_stream, int64_t i_time,
+ int64_t *pi_lower, int64_t *pi_upper )
+{
+ if ( !p_stream || !p_stream->p_skel || !p_stream->p_skel->p_index )
+ return false;
+
+ /* Validate range */
+ if ( i_time < p_stream->p_skel->i_indexfirstnum
+ * p_stream->p_skel->i_indexstampden ||
+ i_time > p_stream->p_skel->i_indexlastnum
+ * p_stream->p_skel->i_indexstampden ) return false;
+
+ /* Then Lookup its index */
+ unsigned const char *p_fwdbyte = p_stream->p_skel->p_index;
+ struct
+ {
+ int64_t i_pos;
+ int64_t i_time;
+ } current = { 0, 0 }, prev = { -1, -1 };
+
+ uint64_t i_keypoints_found = 0;
+
+ while( p_fwdbyte < p_fwdbyte + p_stream->p_skel->i_index_size
+ && i_keypoints_found < p_stream->p_skel->i_index )
+ {
+ uint64_t i_val;
+ p_fwdbyte = Read7BitsVariableLE( p_fwdbyte,
+ p_fwdbyte + p_stream->p_skel->i_index_size, &i_val );
+ current.i_pos += i_val;
+ p_fwdbyte = Read7BitsVariableLE( p_fwdbyte,
+ p_fwdbyte + p_stream->p_skel->i_index_size, &i_val );
+ current.i_time += i_val * p_stream->p_skel->i_indexstampden;
+ if ( current.i_pos < 0 || current.i_time < 0 ) break;
+
+ i_keypoints_found++;
+
+ if ( i_time <= current.i_time )
{
- ogg_stream_packetout( &p_stream->os, p_oggpacket );
- p_stream->fmt.i_cat = SPU_ES;
- p_stream->fmt.i_codec = VLC_CODEC_CMML;
+ *pi_lower = prev.i_pos;
+ *pi_upper = current.i_pos;
+ return ( i_time == current.i_time );
}
+ prev = current;
}
+ return false;
}
static uint32_t dirac_uint( bs_t *p_bs )
/* Backing up stream headers is not required -- seqhdrs are repeated
* thoughout the stream at suitable decoding start points */
- p_stream->b_force_backup = 0;
+ p_stream->b_force_backup = false;
/* read in useful bits from sequence header */
bs_init( &bs, p_oggpacket->packet, p_oggpacket->bytes );
if( dirac_bool( &bs ) )
{
- dirac_uint( &bs ); /* scan_format */
+ p_stream->special.dirac.b_interlaced = dirac_uint( &bs ); /* scan_format */
}
+ else
+ p_stream->special.dirac.b_interlaced = false;
uint32_t u_n = p_dirac_frate_tbl[pu_dirac_vidfmt_frate[u_video_format]].u_n;
uint32_t u_d = p_dirac_frate_tbl[pu_dirac_vidfmt_frate[u_video_format]].u_d;
+ u_d = __MAX( u_d, 1 );
if( dirac_bool( &bs ) )
{
uint32_t u_frame_rate_index = dirac_uint( &bs );
}
}
p_stream->f_rate = (float) u_n / u_d;
+ if ( p_stream->f_rate == 0 ) return false;
/* probably is an ogg dirac es */
p_stream->fmt.i_cat = VIDEO_ES;