mirror of
https://code.videolan.org/videolan/vlc
synced 2024-08-27 04:21:53 +02:00
1770 lines
61 KiB
C
1770 lines
61 KiB
C
/*****************************************************************************
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* ogg.c: ogg muxer module for vlc
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*****************************************************************************
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* Copyright (C) 2001, 2002, 2006 VLC authors and VideoLAN
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*
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* Authors: Laurent Aimar <fenrir@via.ecp.fr>
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* Gildas Bazin <gbazin@videolan.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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/*****************************************************************************
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* Preamble
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*****************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <vlc_common.h>
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#include <vlc_plugin.h>
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#include <vlc_sout.h>
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#include <vlc_block.h>
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#include <vlc_codecs.h>
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#include <limits.h>
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#include <vlc_rand.h>
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#include "../demux/xiph.h"
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#include <ogg/ogg.h>
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/*****************************************************************************
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* Module descriptor
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*****************************************************************************/
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#define INDEXINTVL_TEXT N_("Index interval")
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#define INDEXINTVL_LONGTEXT N_("Minimal index interval, in milliseconds. " \
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"Set to 0 to disable index creation.")
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#define INDEXRATIO_TEXT N_("Index size ratio")
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#define INDEXRATIO_LONGTEXT N_(\
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"Set index size ratio. Alters default (60min content) or estimated size." )
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static int Open ( vlc_object_t * );
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static void Close ( vlc_object_t * );
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#define SOUT_CFG_PREFIX "sout-ogg-"
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vlc_module_begin ()
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set_description( N_("Ogg/OGM muxer") )
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set_capability( "sout mux", 10 )
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set_subcategory( SUBCAT_SOUT_MUX )
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add_shortcut( "ogg", "ogm" )
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add_integer_with_range( SOUT_CFG_PREFIX "indexintvl", 1000, 0, INT_MAX,
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INDEXINTVL_TEXT, INDEXINTVL_LONGTEXT )
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add_float_with_range( SOUT_CFG_PREFIX "indexratio", 1.0, 1.0, 1000,
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INDEXRATIO_TEXT, INDEXRATIO_LONGTEXT )
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set_callbacks( Open, Close )
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vlc_module_end ()
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/*****************************************************************************
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* Exported prototypes
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*****************************************************************************/
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static int Control ( sout_mux_t *, int, va_list );
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static int AddStream( sout_mux_t *, sout_input_t * );
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static void DelStream( sout_mux_t *, sout_input_t * );
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static int Mux ( sout_mux_t * );
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static int MuxBlock ( sout_mux_t *, sout_input_t * );
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static bool OggCreateHeaders( sout_mux_t * );
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static void OggFillSkeletonFishead( uint8_t *p_buffer, sout_mux_t *p_mux );
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/*****************************************************************************
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* Misc declarations
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*****************************************************************************/
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/* Skeleton */
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#define FISBONE_BASE_SIZE 52
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#define FISBONE_BASE_OFFSET 44
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#define INDEX_BASE_SIZE 42
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/* Structures used for OggDS headers used in ogm files */
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#define PACKET_TYPE_HEADER 0x01
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#define PACKET_TYPE_COMMENT 0x03
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#define PACKET_IS_SYNCPOINT 0x08
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typedef struct
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{
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int32_t i_width;
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int32_t i_height;
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} oggds_header_video_t;
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typedef struct
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{
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int16_t i_channels;
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int16_t i_block_align;
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int32_t i_avgbytespersec;
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} oggds_header_audio_t;
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typedef struct
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{
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uint8_t i_packet_type;
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char stream_type[8];
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char sub_type[4];
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int32_t i_size;
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int64_t i_time_unit;
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int64_t i_samples_per_unit;
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int32_t i_default_len;
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int32_t i_buffer_size;
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int16_t i_bits_per_sample;
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int16_t i_padding_0; /* Because the original is using MSVC packing style */
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union
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{
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oggds_header_video_t video;
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oggds_header_audio_t audio;
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} header;
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int32_t i_padding_1; /* Because the original is using MSVC packing style */
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} oggds_header_t;
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/*****************************************************************************
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* Definitions of structures and functions used by this plugins
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*****************************************************************************/
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typedef struct
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{
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es_format_t fmt;
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int b_new;
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vlc_tick_t i_dts;
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vlc_tick_t i_length;
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int i_packet_no;
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int i_serial_no;
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int i_keyframe_granule_shift; /* Theora and Daala only */
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int i_last_keyframe; /* dirac and theora */
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int i_num_frames; /* Theora only */
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uint64_t u_last_granulepos; /* Used for correct EOS page */
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int64_t i_num_keyframes;
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ogg_stream_state os;
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oggds_header_t *p_oggds_header;
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bool b_started;
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bool b_finished;
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struct
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{
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bool b_fisbone_done;
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bool b_index_done;
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/* Skeleton index storage */
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unsigned char *p_index;
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uint64_t i_index_size;
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uint64_t i_index_payload; /* real index size */
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uint64_t i_index_count;
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/* backup values for rewriting index page later */
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uint64_t i_index_offset; /* sout offset of the index page */
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int64_t i_index_packetno; /* index packet no */
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int i_index_pageno;
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/* index creation tracking values */
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uint64_t i_last_keyframe_pos;
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vlc_tick_t i_last_keyframe_time;
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} skeleton;
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int i_dirac_last_pt;
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int i_dirac_last_dt;
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vlc_tick_t i_baseptsdelay;
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} ogg_stream_t;
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typedef struct
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{
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int i_streams;
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vlc_tick_t i_start_dts;
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int i_next_serial_no;
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/* number of logical streams pending to be added */
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int i_add_streams;
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bool b_can_add_streams;
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/* logical streams pending to be deleted */
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int i_del_streams;
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ogg_stream_t **pp_del_streams;
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/* Skeleton */
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struct
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{
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bool b_create;
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int i_serial_no;
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int i_packet_no;
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ogg_stream_state os;
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bool b_head_done;
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/* backup values for rewriting fishead page later */
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uint64_t i_fishead_offset; /* sout offset of the fishead page */
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vlc_tick_t i_index_intvl;
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float i_index_ratio;
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} skeleton;
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/* access position */
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ssize_t i_pos;
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ssize_t i_data_start;
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ssize_t i_segment_start;
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} sout_mux_sys_t;
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static void OggSetDate( block_t *, vlc_tick_t , vlc_tick_t );
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static block_t *OggStreamFlush( sout_mux_t *, ogg_stream_state *, vlc_tick_t );
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static void OggCreateStreamFooter( sout_mux_t *p_mux, ogg_stream_t *p_stream );
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static void OggRewriteFisheadPage( sout_mux_t *p_mux );
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static bool AllocateIndex( sout_mux_t *p_mux, sout_input_t *p_input );
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/*****************************************************************************
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* Open: Open muxer
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*****************************************************************************/
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static int Open( vlc_object_t *p_this )
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{
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sout_mux_t *p_mux = (sout_mux_t*)p_this;
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sout_mux_sys_t *p_sys;
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msg_Info( p_mux, "Open" );
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p_sys = malloc( sizeof( sout_mux_sys_t ) );
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if( !p_sys )
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return VLC_ENOMEM;
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p_sys->i_streams = 0;
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p_sys->i_add_streams = 0;
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p_sys->b_can_add_streams = true;
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p_sys->i_del_streams = 0;
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p_sys->pp_del_streams = 0;
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p_sys->i_pos = 0;
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p_sys->skeleton.b_create = false;
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p_sys->skeleton.b_head_done = false;
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p_sys->skeleton.i_index_intvl =
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VLC_TICK_FROM_MS(var_InheritInteger( p_this, SOUT_CFG_PREFIX "indexintvl" ));
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p_sys->skeleton.i_index_ratio =
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var_InheritFloat( p_this, SOUT_CFG_PREFIX "indexratio" );
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p_sys->i_data_start = 0;
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p_sys->i_segment_start = 0;
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p_mux->p_sys = p_sys;
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p_mux->pf_control = Control;
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p_mux->pf_addstream = AddStream;
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p_mux->pf_delstream = DelStream;
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p_mux->pf_mux = Mux;
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/* First serial number is random.
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* (Done like this because on win32 you need to seed the random number
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* generator once per thread). */
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uint32_t r;
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vlc_rand_bytes(&r, sizeof(r));
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p_sys->i_next_serial_no = r & INT_MAX;
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return VLC_SUCCESS;
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}
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/*****************************************************************************
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* Close: Finalize ogg bitstream and close muxer
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*****************************************************************************/
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static void Close( vlc_object_t * p_this )
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{
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sout_mux_t *p_mux = (sout_mux_t*)p_this;
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sout_mux_sys_t *p_sys = p_mux->p_sys;
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msg_Info( p_mux, "Close" );
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if( p_sys->i_del_streams )
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{
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/* Close the current ogg stream */
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msg_Dbg( p_mux, "writing footers" );
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/* Remove deleted logical streams */
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for(int i = 0; i < p_sys->i_del_streams; i++ )
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{
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ogg_stream_t *p_stream = p_sys->pp_del_streams[i];
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es_format_Clean( &p_stream->fmt );
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OggCreateStreamFooter( p_mux, p_stream );
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free( p_stream->p_oggds_header );
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free( p_stream->skeleton.p_index );
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free( p_stream );
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}
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free( p_sys->pp_del_streams );
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p_sys->i_streams -= p_sys->i_del_streams;
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}
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/* rewrite fishead with final values */
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if ( p_sys->skeleton.b_create && p_sys->skeleton.b_head_done )
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{
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OggRewriteFisheadPage( p_mux );
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}
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free( p_sys );
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}
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/*****************************************************************************
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* Control:
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*****************************************************************************/
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static int Control( sout_mux_t *p_mux, int i_query, va_list args )
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{
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VLC_UNUSED(p_mux);
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bool *pb_bool;
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char **ppsz;
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switch( i_query )
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{
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case MUX_CAN_ADD_STREAM_WHILE_MUXING:
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pb_bool = va_arg( args, bool * );
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*pb_bool = true;
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return VLC_SUCCESS;
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case MUX_GET_MIME:
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ppsz = va_arg( args, char ** );
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*ppsz = strdup( "application/ogg" );
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return VLC_SUCCESS;
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default:
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return VLC_EGENERIC;
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}
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}
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/*****************************************************************************
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* AddStream: Add an elementary stream to the muxed stream
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*****************************************************************************/
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static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
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{
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sout_mux_sys_t *p_sys = p_mux->p_sys;
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ogg_stream_t *p_stream;
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uint16_t i_tag;
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msg_Dbg( p_mux, "adding input" );
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p_input->p_sys = p_stream = calloc( 1, sizeof( ogg_stream_t ) );
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if( !p_stream )
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return VLC_ENOMEM;
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if( es_format_Copy( &p_stream->fmt, &p_input->fmt ) != VLC_SUCCESS )
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{
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free( p_stream );
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return VLC_ENOMEM;
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}
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p_stream->i_serial_no = p_sys->i_next_serial_no++;
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p_stream->i_packet_no = 0;
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p_stream->i_last_keyframe = 0;
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p_stream->i_num_keyframes = 0;
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p_stream->i_num_frames = 0;
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p_stream->p_oggds_header = 0;
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p_stream->i_baseptsdelay = -1;
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p_stream->i_dirac_last_pt = -1;
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p_stream->i_dirac_last_dt = -1;
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switch( p_input->p_fmt->i_cat )
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{
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case VIDEO_ES:
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{
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if( !p_stream->fmt.video.i_frame_rate ||
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!p_stream->fmt.video.i_frame_rate_base )
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{
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msg_Warn( p_mux, "Missing frame rate, assuming 25fps" );
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p_stream->fmt.video.i_frame_rate = 25;
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p_stream->fmt.video.i_frame_rate_base = 1;
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}
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switch( p_stream->fmt.i_codec )
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{
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case VLC_CODEC_MP4V:
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case VLC_CODEC_MPGV:
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case VLC_CODEC_MP1V:
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case VLC_CODEC_MP2V:
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case VLC_CODEC_DIV3:
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case VLC_CODEC_MJPG:
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case VLC_CODEC_WMV1:
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case VLC_CODEC_WMV2:
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case VLC_CODEC_WMV3:
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p_stream->p_oggds_header = calloc( 1, sizeof(oggds_header_t) );
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if( !p_stream->p_oggds_header )
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{
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free( p_stream );
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return VLC_ENOMEM;
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}
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p_stream->p_oggds_header->i_packet_type = PACKET_TYPE_HEADER;
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memcpy( p_stream->p_oggds_header->stream_type, "video", 5 );
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if( p_stream->fmt.i_codec == VLC_CODEC_MP4V )
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{
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memcpy( p_stream->p_oggds_header->sub_type, "XVID", 4 );
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}
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else if( p_stream->fmt.i_codec == VLC_CODEC_DIV3 )
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{
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memcpy( p_stream->p_oggds_header->sub_type, "DIV3", 4 );
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}
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else
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{
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memcpy( p_stream->p_oggds_header->sub_type,
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&p_stream->fmt.i_codec, 4 );
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}
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p_stream->p_oggds_header->i_size = 0 ;
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p_stream->p_oggds_header->i_time_unit =
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MSFTIME_FROM_SEC(1) * p_stream->fmt.video.i_frame_rate_base /
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(int64_t)p_stream->fmt.video.i_frame_rate;
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p_stream->p_oggds_header->i_samples_per_unit = 1;
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p_stream->p_oggds_header->i_default_len = 1 ; /* ??? */
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p_stream->p_oggds_header->i_buffer_size = 1024*1024;
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p_stream->p_oggds_header->i_bits_per_sample = 0;
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p_stream->p_oggds_header->header.video.i_width = p_input->p_fmt->video.i_width;
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p_stream->p_oggds_header->header.video.i_height = p_input->p_fmt->video.i_height;
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msg_Dbg( p_mux, "%4.4s stream", (char *)&p_stream->fmt.i_codec );
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break;
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case VLC_CODEC_DIRAC:
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msg_Dbg( p_mux, "dirac stream" );
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break;
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case VLC_CODEC_THEORA:
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msg_Dbg( p_mux, "theora stream" );
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break;
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case VLC_CODEC_DAALA:
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msg_Dbg( p_mux, "daala stream" );
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break;
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case VLC_CODEC_VP8:
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msg_Dbg( p_mux, "VP8 stream" );
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break;
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default:
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FREENULL( p_input->p_sys );
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return VLC_EGENERIC;
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}
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}
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break;
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case AUDIO_ES:
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switch( p_stream->fmt.i_codec )
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{
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case VLC_CODEC_OPUS:
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msg_Dbg( p_mux, "opus stream" );
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break;
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case VLC_CODEC_VORBIS:
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msg_Dbg( p_mux, "vorbis stream" );
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break;
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case VLC_CODEC_SPEEX:
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msg_Dbg( p_mux, "speex stream" );
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break;
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case VLC_CODEC_FLAC:
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msg_Dbg( p_mux, "flac stream" );
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break;
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default:
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fourcc_to_wf_tag( p_stream->fmt.i_codec, &i_tag );
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if( i_tag == WAVE_FORMAT_UNKNOWN )
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{
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FREENULL( p_input->p_sys );
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return VLC_EGENERIC;
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}
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p_stream->p_oggds_header =
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malloc( sizeof(oggds_header_t) + p_input->p_fmt->i_extra );
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if( !p_stream->p_oggds_header )
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{
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free( p_stream );
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return VLC_ENOMEM;
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}
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memset( p_stream->p_oggds_header, 0, sizeof(oggds_header_t) );
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p_stream->p_oggds_header->i_packet_type = PACKET_TYPE_HEADER;
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p_stream->p_oggds_header->i_size = p_input->p_fmt->i_extra;
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if( p_input->p_fmt->i_extra )
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{
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memcpy( &p_stream->p_oggds_header[1],
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p_input->p_fmt->p_extra, p_input->p_fmt->i_extra );
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|
}
|
|
|
|
memcpy( p_stream->p_oggds_header->stream_type, "audio", 5 );
|
|
|
|
char buf[5];
|
|
memset( buf, 0, sizeof(buf) );
|
|
snprintf( buf, sizeof(buf), "%"PRIx16, i_tag );
|
|
|
|
memcpy( p_stream->p_oggds_header->sub_type, buf, 4 );
|
|
|
|
p_stream->p_oggds_header->i_time_unit = MSFTIME_FROM_SEC(1);
|
|
p_stream->p_oggds_header->i_default_len = 1;
|
|
p_stream->p_oggds_header->i_buffer_size = 30*1024 ;
|
|
p_stream->p_oggds_header->i_samples_per_unit = p_input->p_fmt->audio.i_rate;
|
|
p_stream->p_oggds_header->i_bits_per_sample = p_input->p_fmt->audio.i_bitspersample;
|
|
p_stream->p_oggds_header->header.audio.i_channels = p_input->p_fmt->audio.i_channels;
|
|
p_stream->p_oggds_header->header.audio.i_block_align = p_input->p_fmt->audio.i_blockalign;
|
|
p_stream->p_oggds_header->header.audio.i_avgbytespersec = p_input->p_fmt->i_bitrate / 8;
|
|
msg_Dbg( p_mux, "%4.4s stream", (char *)&p_stream->fmt.i_codec );
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case SPU_ES:
|
|
switch( p_stream->fmt.i_codec )
|
|
{
|
|
case VLC_CODEC_SUBT:
|
|
p_stream->p_oggds_header = calloc( 1, sizeof(oggds_header_t) );
|
|
if( !p_stream->p_oggds_header )
|
|
{
|
|
free( p_stream );
|
|
return VLC_ENOMEM;
|
|
}
|
|
p_stream->p_oggds_header->i_packet_type = PACKET_TYPE_HEADER;
|
|
|
|
memcpy( p_stream->p_oggds_header->stream_type, "text", 4 );
|
|
msg_Dbg( p_mux, "subtitles stream" );
|
|
break;
|
|
|
|
default:
|
|
FREENULL( p_input->p_sys );
|
|
return VLC_EGENERIC;
|
|
}
|
|
break;
|
|
default:
|
|
FREENULL( p_input->p_sys );
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
p_stream->b_new = true;
|
|
|
|
p_sys->i_add_streams++;
|
|
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* DelStream: Delete an elementary stream from the muxed stream
|
|
*****************************************************************************/
|
|
static void DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
|
|
{
|
|
sout_mux_sys_t *p_sys = p_mux->p_sys;
|
|
ogg_stream_t *p_stream = (ogg_stream_t*)p_input->p_sys;
|
|
block_t *p_og;
|
|
|
|
msg_Dbg( p_mux, "removing input" );
|
|
|
|
/* flush all remaining data */
|
|
if( p_input->p_sys )
|
|
{
|
|
if( !p_stream->b_new )
|
|
{
|
|
while( block_FifoCount( p_input->p_fifo ) )
|
|
MuxBlock( p_mux, p_input );
|
|
}
|
|
|
|
if( !p_stream->b_new &&
|
|
( p_og = OggStreamFlush( p_mux, &p_stream->os, 0 ) ) )
|
|
{
|
|
OggSetDate( p_og, p_stream->i_dts, p_stream->i_length );
|
|
p_sys->i_pos += sout_AccessOutWrite( p_mux->p_access, p_og );
|
|
}
|
|
|
|
/* move input in delete queue */
|
|
if( !p_stream->b_new )
|
|
{
|
|
p_sys->pp_del_streams = xrealloc( p_sys->pp_del_streams,
|
|
(p_sys->i_del_streams + 1) * sizeof(ogg_stream_t *) );
|
|
p_sys->pp_del_streams[p_sys->i_del_streams++] = p_stream;
|
|
}
|
|
else
|
|
{
|
|
/* wasn't already added so get rid of it */
|
|
FREENULL( p_stream->p_oggds_header );
|
|
FREENULL( p_stream );
|
|
p_sys->i_add_streams--;
|
|
}
|
|
}
|
|
|
|
p_input->p_sys = NULL;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* Ogg Skeleton helpers
|
|
*****************************************************************************/
|
|
static int WriteQWVariableLE( uint64_t i_64, uint64_t i_offset,
|
|
uint8_t *p_buffer, int i_buffer_size )
|
|
{
|
|
uint8_t *p_dest = p_buffer + i_offset;
|
|
int i_written = 0;
|
|
|
|
for(;;)
|
|
{
|
|
if ( p_dest - p_buffer >= i_buffer_size ) return -1;
|
|
|
|
*p_dest = (uint8_t) ( i_64 & 0x7F );
|
|
i_64 >>= 7;
|
|
i_written++;
|
|
|
|
if ( i_64 == 0 )
|
|
{
|
|
*p_dest |= 0x80;
|
|
return i_written;
|
|
}
|
|
|
|
p_dest++;
|
|
}
|
|
}
|
|
|
|
static bool AddIndexEntry( sout_mux_t *p_mux, vlc_tick_t i_time, sout_input_t *p_input )
|
|
{
|
|
sout_mux_sys_t *p_sys = p_mux->p_sys;
|
|
ogg_stream_t *p_stream = (ogg_stream_t *) p_input->p_sys;
|
|
uint64_t i_posdelta;
|
|
vlc_tick_t i_timedelta;
|
|
if ( !p_sys->skeleton.b_create || p_sys->skeleton.i_index_intvl == 0
|
|
|| !p_stream->skeleton.p_index )
|
|
return false;
|
|
|
|
if ( p_stream->skeleton.i_last_keyframe_pos == 0 )
|
|
p_stream->skeleton.i_last_keyframe_pos = p_sys->i_segment_start;
|
|
i_posdelta = p_sys->i_pos - p_stream->skeleton.i_last_keyframe_pos;
|
|
i_timedelta = i_time - p_stream->skeleton.i_last_keyframe_time;
|
|
|
|
if ( i_timedelta <= p_sys->skeleton.i_index_intvl || i_posdelta <= 0xFFFF )
|
|
return false;
|
|
|
|
/* do inserts */
|
|
int i_ret;
|
|
if ( !p_stream->skeleton.p_index ) return false;
|
|
uint64_t i_offset = p_stream->skeleton.i_index_payload;
|
|
i_ret = WriteQWVariableLE( i_posdelta, i_offset, p_stream->skeleton.p_index,
|
|
p_stream->skeleton.i_index_size );
|
|
if ( i_ret == -1 ) return false;
|
|
i_offset += i_ret;
|
|
i_ret = WriteQWVariableLE( i_timedelta, i_offset, p_stream->skeleton.p_index,
|
|
p_stream->skeleton.i_index_size );
|
|
if ( i_ret == -1 ) return false;
|
|
p_stream->skeleton.i_index_payload = i_offset + i_ret;
|
|
p_stream->skeleton.i_index_count++;
|
|
|
|
/* update diff points */
|
|
p_stream->skeleton.i_last_keyframe_pos = p_sys->i_pos;
|
|
p_stream->skeleton.i_last_keyframe_time = i_time;
|
|
msg_Dbg( p_mux, "Added index on stream %d entry %zd %"PRIu64,
|
|
p_stream->i_serial_no, p_sys->i_pos - p_sys->i_segment_start, i_time );
|
|
|
|
return true;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* Ogg bitstream manipulation routines
|
|
*****************************************************************************/
|
|
static block_t *OggStreamGetPage( sout_mux_t *p_mux,
|
|
ogg_stream_state *p_os, vlc_tick_t i_pts,
|
|
bool flush )
|
|
{
|
|
(void)p_mux;
|
|
block_t *p_og, *p_og_first = NULL;
|
|
ogg_page og;
|
|
int (*pager)( ogg_stream_state*, ogg_page* ) = flush ? ogg_stream_flush : ogg_stream_pageout;
|
|
|
|
while( pager( p_os, &og ) )
|
|
{
|
|
/* Flush all data */
|
|
p_og = block_Alloc( og.header_len + og.body_len );
|
|
|
|
memcpy( p_og->p_buffer, og.header, og.header_len );
|
|
memcpy( p_og->p_buffer + og.header_len, og.body, og.body_len );
|
|
p_og->i_dts = 0;
|
|
p_og->i_pts = i_pts;
|
|
p_og->i_length = 0;
|
|
|
|
i_pts = 0; // write it only once
|
|
|
|
block_ChainAppend( &p_og_first, p_og );
|
|
}
|
|
|
|
return p_og_first;
|
|
}
|
|
|
|
static block_t *OggStreamFlush( sout_mux_t *p_mux,
|
|
ogg_stream_state *p_os, vlc_tick_t i_pts )
|
|
{
|
|
return OggStreamGetPage( p_mux, p_os, i_pts, true );
|
|
}
|
|
|
|
static block_t *OggStreamPageOut( sout_mux_t *p_mux,
|
|
ogg_stream_state *p_os, vlc_tick_t i_pts )
|
|
{
|
|
return OggStreamGetPage( p_mux, p_os, i_pts, false );
|
|
}
|
|
|
|
static void OggGetSkeletonIndex( uint8_t **pp_buffer, long *pi_size, ogg_stream_t *p_stream )
|
|
{
|
|
uint8_t *p_buffer = calloc( INDEX_BASE_SIZE + p_stream->skeleton.i_index_size, sizeof(uint8_t) );
|
|
if ( !p_buffer ) return;
|
|
*pp_buffer = p_buffer;
|
|
|
|
memcpy( p_buffer, "index", 6 );
|
|
SetDWLE( &p_buffer[6], p_stream->i_serial_no );
|
|
SetQWLE( &p_buffer[10], p_stream->skeleton.i_index_count ); /* num keypoints */
|
|
SetQWLE( &p_buffer[18], CLOCK_FREQ );
|
|
SetQWLE( &p_buffer[34], p_stream->i_length );
|
|
memcpy( p_buffer + INDEX_BASE_SIZE, p_stream->skeleton.p_index, p_stream->skeleton.i_index_payload );
|
|
*pi_size = INDEX_BASE_SIZE + p_stream->skeleton.i_index_size;
|
|
}
|
|
|
|
static void OggGetSkeletonFisbone( uint8_t **pp_buffer, long *pi_size,
|
|
sout_input_t *p_input, sout_mux_t *p_mux )
|
|
{
|
|
uint8_t *psz_header;
|
|
uint8_t *p_buffer;
|
|
const char *psz_value = NULL;
|
|
ogg_stream_t *p_stream = (ogg_stream_t *) p_input->p_sys;
|
|
struct
|
|
{
|
|
char *psz_content_type;
|
|
char *psz_role;
|
|
long int i_size;
|
|
unsigned int i_count;
|
|
} headers = { NULL, NULL, 0, 0 };
|
|
*pi_size = 0;
|
|
|
|
switch( p_stream->fmt.i_codec )
|
|
{
|
|
case VLC_CODEC_VORBIS:
|
|
psz_value = "audio/vorbis";
|
|
break;
|
|
case VLC_CODEC_THEORA:
|
|
psz_value = "video/theora";
|
|
break;
|
|
case VLC_CODEC_DAALA:
|
|
psz_value = "video/daala";
|
|
break;
|
|
case VLC_CODEC_SPEEX:
|
|
psz_value = "audio/speex";
|
|
break;
|
|
case VLC_CODEC_FLAC:
|
|
psz_value = "audio/flac";
|
|
break;
|
|
case VLC_CODEC_CMML:
|
|
psz_value = "text/cmml";
|
|
break;
|
|
case VLC_CODEC_KATE:
|
|
psz_value = "application/kate";
|
|
break;
|
|
case VLC_CODEC_VP8:
|
|
psz_value = "video/x-vp8";
|
|
break;
|
|
default:
|
|
psz_value = "application/octet-stream";
|
|
msg_Warn( p_mux, "Unknown fourcc for stream %s, setting Content-Type to %s",
|
|
vlc_fourcc_GetDescription( p_stream->fmt.i_cat, p_stream->fmt.i_codec ),
|
|
psz_value );
|
|
}
|
|
|
|
/* Content Type Header */
|
|
if ( asprintf( &headers.psz_content_type, "Content-Type: %s\r\n", psz_value ) != -1 )
|
|
{
|
|
headers.i_size += strlen( headers.psz_content_type );
|
|
headers.i_count++;
|
|
}
|
|
|
|
/* Set Role Header */
|
|
if ( p_input->p_fmt->i_priority > ES_PRIORITY_NOT_SELECTABLE )
|
|
{
|
|
int i_max_prio = ES_PRIORITY_MIN;
|
|
for ( int i=0; i< p_mux->i_nb_inputs; i++ )
|
|
{
|
|
if ( p_mux->pp_inputs[i]->p_fmt->i_cat != p_input->p_fmt->i_cat ) continue;
|
|
i_max_prio = __MAX( p_mux->pp_inputs[i]->p_fmt->i_priority, i_max_prio );
|
|
}
|
|
|
|
psz_value = NULL;
|
|
if ( p_input->p_fmt->i_cat == AUDIO_ES || p_input->p_fmt->i_cat == VIDEO_ES )
|
|
{
|
|
if ( p_input->p_fmt->i_priority == i_max_prio && i_max_prio >= ES_PRIORITY_SELECTABLE_MIN )
|
|
psz_value = ( p_input->p_fmt->i_cat == VIDEO_ES ) ?
|
|
"video/main" : "audio/main";
|
|
else
|
|
psz_value = ( p_input->p_fmt->i_cat == VIDEO_ES ) ?
|
|
"video/alternate" : "audio/alternate";
|
|
}
|
|
else if ( p_input->p_fmt->i_cat == SPU_ES )
|
|
{
|
|
psz_value = ( p_input->p_fmt->i_codec == VLC_CODEC_KATE ) ?
|
|
"text/karaoke" : "text/subtitle";
|
|
}
|
|
|
|
if ( psz_value && asprintf( &headers.psz_role, "Role: %s\r\n", psz_value ) != -1 )
|
|
{
|
|
headers.i_size += strlen( headers.psz_role );
|
|
headers.i_count++;
|
|
}
|
|
}
|
|
|
|
*pp_buffer = calloc( FISBONE_BASE_SIZE + headers.i_size, sizeof(uint8_t) );
|
|
if ( !*pp_buffer ) return;
|
|
p_buffer = *pp_buffer;
|
|
|
|
memcpy( p_buffer, "fisbone", 8 );
|
|
SetDWLE( &p_buffer[8], FISBONE_BASE_OFFSET ); /* offset to message headers */
|
|
SetDWLE( &p_buffer[12], p_stream->i_serial_no );
|
|
SetDWLE( &p_buffer[16], headers.i_count );
|
|
|
|
/* granulerate den */
|
|
switch ( p_input->p_fmt->i_cat )
|
|
{
|
|
case VIDEO_ES:
|
|
SetQWLE( &(*pp_buffer)[20], p_stream->fmt.video.i_frame_rate );
|
|
SetQWLE( &(*pp_buffer)[28], p_stream->fmt.video.i_frame_rate_base );
|
|
break;
|
|
case AUDIO_ES:
|
|
SetQWLE( &(*pp_buffer)[20], p_input->p_fmt->audio.i_rate );
|
|
SetQWLE( &(*pp_buffer)[28], 1 );
|
|
break;
|
|
default:
|
|
SetQWLE( &(*pp_buffer)[20], 1000 );
|
|
SetQWLE( &(*pp_buffer)[28], 1 );
|
|
}
|
|
|
|
/* preroll */
|
|
if ( p_input->p_fmt->p_extra )
|
|
SetDWLE( &(*pp_buffer)[44],
|
|
xiph_CountUnknownHeaders( p_input->p_fmt->p_extra,
|
|
p_input->p_fmt->i_extra,
|
|
p_input->p_fmt->i_codec ) );
|
|
|
|
if ( headers.i_size > 0 )
|
|
{
|
|
psz_header = *pp_buffer + FISBONE_BASE_SIZE;
|
|
memcpy( psz_header, headers.psz_content_type, strlen( headers.psz_content_type ) );
|
|
psz_header += strlen( headers.psz_content_type );
|
|
if ( headers.psz_role )
|
|
memcpy( psz_header, headers.psz_role, strlen( headers.psz_role ) );
|
|
}
|
|
*pi_size = FISBONE_BASE_SIZE + headers.i_size;
|
|
|
|
free( headers.psz_content_type );
|
|
free( headers.psz_role );
|
|
}
|
|
|
|
static void OggFillSkeletonFishead( uint8_t *p_buffer, sout_mux_t *p_mux )
|
|
{
|
|
sout_mux_sys_t *p_sys = p_mux->p_sys;
|
|
memcpy( p_buffer, "fishead", 8 );
|
|
SetWLE( &p_buffer[8], 4 );
|
|
SetWLE( &p_buffer[10], 0 );
|
|
SetQWLE( &p_buffer[20], 1000 );
|
|
SetQWLE( &p_buffer[36], 1000 );
|
|
SetQWLE( &p_buffer[64], p_sys->i_pos - p_sys->i_segment_start ); /* segment length */
|
|
SetQWLE( &p_buffer[72], p_sys->i_data_start - p_sys->i_segment_start ); /* data start offset */
|
|
}
|
|
|
|
static int32_t OggFillDsHeader( uint8_t *p_buffer, oggds_header_t *p_oggds_header, int i_cat )
|
|
{
|
|
int index = 0;
|
|
p_buffer[index] = p_oggds_header->i_packet_type;
|
|
index++;
|
|
memcpy( &p_buffer[index], p_oggds_header->stream_type, sizeof(p_oggds_header->stream_type) );
|
|
index += sizeof(p_oggds_header->stream_type);
|
|
memcpy(&p_buffer[index], p_oggds_header->sub_type, sizeof(p_oggds_header->sub_type) );
|
|
index += sizeof(p_oggds_header->sub_type);
|
|
|
|
/* The size is filled at the end */
|
|
uint8_t *p_isize = &p_buffer[index];
|
|
index += 4;
|
|
|
|
SetQWLE( &p_buffer[index], p_oggds_header->i_time_unit );
|
|
index += 8;
|
|
SetQWLE( &p_buffer[index], p_oggds_header->i_samples_per_unit );
|
|
index += 8;
|
|
SetDWLE( &p_buffer[index], p_oggds_header->i_default_len );
|
|
index += 4;
|
|
SetDWLE( &p_buffer[index], p_oggds_header->i_buffer_size );
|
|
index += 4;
|
|
SetWLE( &p_buffer[index], p_oggds_header->i_bits_per_sample );
|
|
index += 2;
|
|
SetWLE( &p_buffer[index], p_oggds_header->i_padding_0 );
|
|
index += 2;
|
|
/* audio or video */
|
|
switch( i_cat )
|
|
{
|
|
case VIDEO_ES:
|
|
SetDWLE( &p_buffer[index], p_oggds_header->header.video.i_width );
|
|
SetDWLE( &p_buffer[index+4], p_oggds_header->header.video.i_height );
|
|
break;
|
|
case AUDIO_ES:
|
|
SetWLE( &p_buffer[index], p_oggds_header->header.audio.i_channels );
|
|
SetWLE( &p_buffer[index+2], p_oggds_header->header.audio.i_block_align );
|
|
SetDWLE( &p_buffer[index+4], p_oggds_header->header.audio.i_avgbytespersec );
|
|
break;
|
|
}
|
|
index += 8;
|
|
SetDWLE( &p_buffer[index], p_oggds_header->i_padding_1 );
|
|
index += 4;
|
|
|
|
/* extra header */
|
|
if( p_oggds_header->i_size > 0 )
|
|
{
|
|
memcpy( &p_buffer[index], (uint8_t *) p_oggds_header + sizeof(*p_oggds_header), p_oggds_header->i_size );
|
|
index += p_oggds_header->i_size;
|
|
}
|
|
|
|
SetDWLE( p_isize, index-1 );
|
|
return index;
|
|
}
|
|
|
|
static void OggFillVP8Header( uint8_t *p_buffer, sout_input_t *p_input )
|
|
{
|
|
ogg_stream_t *p_stream = (ogg_stream_t *) p_input->p_sys;
|
|
|
|
memcpy( p_buffer, "OVP80\x01\x01\x00", 8 );
|
|
SetWBE( &p_buffer[8], p_input->p_fmt->video.i_width );
|
|
SetDWBE( &p_buffer[14], p_input->p_fmt->video.i_sar_den );/* 24 bits, 15~ */
|
|
SetDWBE( &p_buffer[11], p_input->p_fmt->video.i_sar_num );/* 24 bits, 12~ */
|
|
SetWBE( &p_buffer[10], p_input->p_fmt->video.i_height );
|
|
SetDWBE( &p_buffer[18], p_stream->fmt.video.i_frame_rate );
|
|
SetDWBE( &p_buffer[22], p_stream->fmt.video.i_frame_rate_base );
|
|
}
|
|
|
|
static bool OggCreateHeaders( sout_mux_t *p_mux )
|
|
{
|
|
block_t *p_hdr = NULL;
|
|
block_t *p_og = NULL;
|
|
ogg_packet op;
|
|
sout_mux_sys_t *p_sys = p_mux->p_sys;
|
|
|
|
if( sout_AccessOutControl( p_mux->p_access,
|
|
ACCESS_OUT_CAN_SEEK,
|
|
&p_sys->skeleton.b_create ) )
|
|
{
|
|
p_sys->skeleton.b_create = false;
|
|
}
|
|
|
|
p_sys->skeleton.b_create &= !! p_mux->i_nb_inputs;
|
|
|
|
/* no skeleton for solo vorbis/speex/opus tracks */
|
|
if ( p_mux->i_nb_inputs == 1 && p_mux->pp_inputs[0]->p_fmt->i_cat == AUDIO_ES )
|
|
{
|
|
p_sys->skeleton.b_create = false;
|
|
}
|
|
else
|
|
{
|
|
for ( int i=0; i< p_mux->i_nb_inputs; i++ )
|
|
{
|
|
ogg_stream_t *p_stream = p_mux->pp_inputs[i]->p_sys;
|
|
if( p_stream->p_oggds_header )
|
|
{
|
|
/* We don't want skeleton for OggDS */
|
|
p_sys->skeleton.b_create = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Skeleton's Fishead must be the first page of the stream */
|
|
if ( p_sys->skeleton.b_create && !p_sys->skeleton.b_head_done )
|
|
{
|
|
msg_Dbg( p_mux, "creating header for skeleton" );
|
|
p_sys->skeleton.i_serial_no = p_sys->i_next_serial_no++;
|
|
ogg_stream_init( &p_sys->skeleton.os, p_sys->skeleton.i_serial_no );
|
|
op.bytes = 80;
|
|
op.packet = calloc( 1, op.bytes );
|
|
if ( op.packet == NULL ) return false;
|
|
op.b_o_s = 1;
|
|
op.e_o_s = 0;
|
|
op.granulepos = 0;
|
|
op.packetno = 0;
|
|
OggFillSkeletonFishead( op.packet, p_mux );
|
|
ogg_stream_packetin( &p_sys->skeleton.os, &op );
|
|
ogg_packet_clear( &op );
|
|
p_og = OggStreamFlush( p_mux, &p_sys->skeleton.os, 0 );
|
|
block_ChainAppend( &p_hdr, p_og );
|
|
p_sys->skeleton.b_head_done = true;
|
|
p_sys->skeleton.i_fishead_offset = p_sys->i_pos;
|
|
}
|
|
|
|
/* Write header for each stream. All b_o_s (beginning of stream) packets
|
|
* must appear first in the ogg stream so we take care of them first. */
|
|
for( int pass = 0; pass < 2; pass++ )
|
|
{
|
|
for( int i = 0; i < p_mux->i_nb_inputs; i++ )
|
|
{
|
|
sout_input_t *p_input = p_mux->pp_inputs[i];
|
|
ogg_stream_t *p_stream = p_input->p_sys;
|
|
|
|
bool video = ( p_stream->fmt.i_codec == VLC_CODEC_THEORA ||
|
|
p_stream->fmt.i_codec == VLC_CODEC_DIRAC ||
|
|
p_stream->fmt.i_codec == VLC_CODEC_DAALA );
|
|
if( ( ( pass == 0 && !video ) || ( pass == 1 && video ) ) )
|
|
continue;
|
|
|
|
msg_Dbg( p_mux, "creating header for %4.4s",
|
|
(char *)&p_stream->fmt.i_codec );
|
|
|
|
ogg_stream_init( &p_stream->os, p_stream->i_serial_no );
|
|
p_stream->b_new = false;
|
|
p_stream->i_packet_no = 0;
|
|
p_stream->b_started = true;
|
|
|
|
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_THEORA ||
|
|
p_stream->fmt.i_codec == VLC_CODEC_DAALA )
|
|
{
|
|
/* First packet in order: vorbis/speex/opus/theora/daala info */
|
|
unsigned pi_size[XIPH_MAX_HEADER_COUNT];
|
|
const void *pp_data[XIPH_MAX_HEADER_COUNT];
|
|
unsigned i_count;
|
|
|
|
if( xiph_SplitHeaders( pi_size, pp_data, &i_count,
|
|
p_input->p_fmt->i_extra, p_input->p_fmt->p_extra ) )
|
|
{
|
|
i_count = 0;
|
|
pi_size[0] = 0;
|
|
pp_data[0] = NULL;
|
|
}
|
|
|
|
op.bytes = pi_size[0];
|
|
op.packet = (void *)pp_data[0];
|
|
if( pi_size[0] <= 0 )
|
|
msg_Err( p_mux, "header data corrupted");
|
|
|
|
op.b_o_s = 1;
|
|
op.e_o_s = 0;
|
|
op.granulepos = 0;
|
|
op.packetno = p_stream->i_packet_no++;
|
|
ogg_stream_packetin( &p_stream->os, &op );
|
|
p_og = OggStreamFlush( p_mux, &p_stream->os, 0 );
|
|
|
|
/* Get keyframe_granule_shift for theora or daala granulepos calculation */
|
|
if( p_stream->fmt.i_codec == VLC_CODEC_THEORA ||
|
|
p_stream->fmt.i_codec == VLC_CODEC_DAALA )
|
|
{
|
|
p_stream->i_keyframe_granule_shift =
|
|
( (op.packet[40] & 0x03) << 3 ) | ( (op.packet[41] & 0xe0) >> 5 );
|
|
}
|
|
}
|
|
else if( p_stream->fmt.i_codec == VLC_CODEC_DIRAC )
|
|
{
|
|
op.packet = p_input->p_fmt->p_extra;
|
|
op.bytes = p_input->p_fmt->i_extra;
|
|
op.b_o_s = 1;
|
|
op.e_o_s = 0;
|
|
op.granulepos = ~0;
|
|
op.packetno = p_stream->i_packet_no++;
|
|
ogg_stream_packetin( &p_stream->os, &op );
|
|
p_og = OggStreamFlush( p_mux, &p_stream->os, 0 );
|
|
}
|
|
else if( p_stream->fmt.i_codec == VLC_CODEC_FLAC )
|
|
{
|
|
/* flac stream marker (yeah, only that in the 1st packet) */
|
|
op.packet = (unsigned char *)"fLaC";
|
|
op.bytes = 4;
|
|
op.b_o_s = 1;
|
|
op.e_o_s = 0;
|
|
op.granulepos = 0;
|
|
op.packetno = p_stream->i_packet_no++;
|
|
ogg_stream_packetin( &p_stream->os, &op );
|
|
p_og = OggStreamFlush( p_mux, &p_stream->os, 0 );
|
|
}
|
|
else if( p_stream->fmt.i_codec == VLC_CODEC_VP8 )
|
|
{
|
|
/* VP8 Header */
|
|
op.packet = malloc( 26 );
|
|
if( !op.packet )
|
|
return false;
|
|
op.bytes = 26;
|
|
OggFillVP8Header( op.packet, p_input );
|
|
op.b_o_s = 1;
|
|
op.e_o_s = 0;
|
|
op.granulepos = 0;
|
|
op.packetno = p_stream->i_packet_no++;
|
|
ogg_stream_packetin( &p_stream->os, &op );
|
|
p_og = OggStreamFlush( p_mux, &p_stream->os, 0 );
|
|
free( op.packet );
|
|
}
|
|
else if( p_stream->p_oggds_header )
|
|
{
|
|
/* ds header */
|
|
op.packet = malloc( sizeof(*p_stream->p_oggds_header) + p_stream->p_oggds_header->i_size );
|
|
if( !op.packet )
|
|
return false;
|
|
op.bytes = OggFillDsHeader( op.packet, p_stream->p_oggds_header, p_stream->fmt.i_cat );
|
|
op.b_o_s = 1;
|
|
op.e_o_s = 0;
|
|
op.granulepos = 0;
|
|
op.packetno = p_stream->i_packet_no++;
|
|
ogg_stream_packetin( &p_stream->os, &op );
|
|
p_og = OggStreamFlush( p_mux, &p_stream->os, 0 );
|
|
free( op.packet );
|
|
}
|
|
|
|
block_ChainAppend( &p_hdr, p_og );
|
|
}
|
|
}
|
|
|
|
/* Create fisbones if any */
|
|
if ( p_sys->skeleton.b_create )
|
|
{
|
|
for( int i = 0; i < p_mux->i_nb_inputs; i++ )
|
|
{
|
|
sout_input_t *p_input = p_mux->pp_inputs[i];
|
|
ogg_stream_t *p_stream = p_input->p_sys;
|
|
if ( p_stream->skeleton.b_fisbone_done ) continue;
|
|
OggGetSkeletonFisbone( &op.packet, &op.bytes, p_input, p_mux );
|
|
if ( op.packet == NULL ) return false;
|
|
op.b_o_s = 0;
|
|
op.e_o_s = 0;
|
|
op.granulepos = 0;
|
|
op.packetno = p_sys->skeleton.i_packet_no++;
|
|
ogg_stream_packetin( &p_sys->skeleton.os, &op );
|
|
ogg_packet_clear( &op );
|
|
p_og = OggStreamFlush( p_mux, &p_sys->skeleton.os, 0 );
|
|
block_ChainAppend( &p_hdr, p_og );
|
|
p_stream->skeleton.b_fisbone_done = true;
|
|
}
|
|
}
|
|
|
|
/* Write previous headers */
|
|
for( p_og = p_hdr; p_og != NULL; p_og = p_og->p_next )
|
|
{
|
|
/* flag headers to be resent for streaming clients */
|
|
p_og->i_flags |= BLOCK_FLAG_HEADER;
|
|
}
|
|
p_sys->i_pos += sout_AccessOutWrite( p_mux->p_access, p_hdr );
|
|
p_hdr = NULL;
|
|
|
|
/* Create indexes if any */
|
|
for( int i = 0; i < p_mux->i_nb_inputs; i++ )
|
|
{
|
|
sout_input_t *p_input = p_mux->pp_inputs[i];
|
|
ogg_stream_t *p_stream = (ogg_stream_t*)p_input->p_sys;
|
|
/* flush stream && save offset */
|
|
if ( p_sys->skeleton.b_create && !p_stream->skeleton.b_index_done )
|
|
{
|
|
if ( !p_stream->skeleton.p_index ) AllocateIndex( p_mux, p_input );
|
|
if ( p_stream->skeleton.p_index )
|
|
{
|
|
msg_Dbg( p_mux, "Creating index for stream %d", p_stream->i_serial_no );
|
|
OggGetSkeletonIndex( &op.packet, &op.bytes, p_stream );
|
|
if ( op.packet == NULL ) return false;
|
|
op.b_o_s = 0;
|
|
op.e_o_s = 0;
|
|
op.granulepos = 0;
|
|
op.packetno = p_sys->skeleton.i_packet_no++;
|
|
|
|
/* backup some values */
|
|
p_stream->skeleton.i_index_offset = p_sys->i_pos;
|
|
p_stream->skeleton.i_index_packetno = p_sys->skeleton.os.packetno;
|
|
p_stream->skeleton.i_index_pageno = p_sys->skeleton.os.pageno;
|
|
|
|
ogg_stream_packetin( &p_sys->skeleton.os, &op );
|
|
ogg_packet_clear( &op );
|
|
p_og = OggStreamFlush( p_mux, &p_sys->skeleton.os, 0 );
|
|
p_sys->i_pos += sout_AccessOutWrite( p_mux->p_access, p_og );
|
|
}
|
|
p_stream->skeleton.b_index_done = true;
|
|
}
|
|
}
|
|
|
|
/* Take care of the non b_o_s headers */
|
|
for( int i = 0; i < p_mux->i_nb_inputs; i++ )
|
|
{
|
|
sout_input_t *p_input = p_mux->pp_inputs[i];
|
|
ogg_stream_t *p_stream = (ogg_stream_t*)p_input->p_sys;
|
|
|
|
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_THEORA ||
|
|
p_stream->fmt.i_codec == VLC_CODEC_DAALA )
|
|
{
|
|
unsigned pi_size[XIPH_MAX_HEADER_COUNT];
|
|
const void *pp_data[XIPH_MAX_HEADER_COUNT];
|
|
unsigned i_count;
|
|
|
|
if( xiph_SplitHeaders( pi_size, pp_data, &i_count,
|
|
p_input->p_fmt->i_extra, p_input->p_fmt->p_extra ) )
|
|
i_count = 0;
|
|
|
|
/* Special case, headers are already there in the incoming stream.
|
|
* We need to gather them an mark them as headers. */
|
|
for( unsigned j = 1; j < i_count; j++ )
|
|
{
|
|
op.bytes = pi_size[j];
|
|
op.packet = (void *)pp_data[j];
|
|
if( pi_size[j] <= 0 )
|
|
msg_Err( p_mux, "header data corrupted");
|
|
|
|
op.b_o_s = 0;
|
|
op.e_o_s = 0;
|
|
op.granulepos = 0;
|
|
op.packetno = p_stream->i_packet_no++;
|
|
ogg_stream_packetin( &p_stream->os, &op );
|
|
msg_Dbg( p_mux, "adding non bos, secondary header" );
|
|
if( j == i_count - 1 )
|
|
p_og = OggStreamFlush( p_mux, &p_stream->os, 0 );
|
|
else
|
|
p_og = OggStreamPageOut( p_mux, &p_stream->os, 0 );
|
|
if( p_og )
|
|
block_ChainAppend( &p_hdr, p_og );
|
|
}
|
|
}
|
|
else if( p_stream->fmt.i_codec != VLC_CODEC_FLAC &&
|
|
p_stream->fmt.i_codec != VLC_CODEC_DIRAC )
|
|
{
|
|
uint8_t com[128];
|
|
int i_com;
|
|
|
|
/* comment */
|
|
com[0] = PACKET_TYPE_COMMENT;
|
|
i_com = snprintf( (char *)(com+1), 127,
|
|
PACKAGE_VERSION" stream output" )
|
|
+ 1;
|
|
op.packet = com;
|
|
op.bytes = i_com;
|
|
op.b_o_s = 0;
|
|
op.e_o_s = 0;
|
|
op.granulepos = 0;
|
|
op.packetno = p_stream->i_packet_no++;
|
|
ogg_stream_packetin( &p_stream->os, &op );
|
|
p_og = OggStreamFlush( p_mux, &p_stream->os, 0 );
|
|
block_ChainAppend( &p_hdr, p_og );
|
|
}
|
|
|
|
/* Special case for mp4v and flac */
|
|
if( ( p_stream->fmt.i_codec == VLC_CODEC_MP4V ||
|
|
p_stream->fmt.i_codec == VLC_CODEC_FLAC ) &&
|
|
p_input->p_fmt->i_extra )
|
|
{
|
|
/* Send a packet with the VOL data for mp4v
|
|
* or STREAMINFO for flac */
|
|
msg_Dbg( p_mux, "writing extra data" );
|
|
op.bytes = p_input->p_fmt->i_extra;
|
|
op.packet = p_input->p_fmt->p_extra;
|
|
uint8_t flac_streaminfo[34 + 4];
|
|
if( p_stream->fmt.i_codec == VLC_CODEC_FLAC )
|
|
{
|
|
if (op.bytes == 42 && !memcmp(op.packet, "fLaC", 4)) {
|
|
op.bytes -= 4;
|
|
memcpy(flac_streaminfo, op.packet + 4, 38);
|
|
op.packet = flac_streaminfo;
|
|
} else if (op.bytes == 34) {
|
|
op.bytes += 4;
|
|
memcpy(flac_streaminfo + 4, op.packet, 34);
|
|
flac_streaminfo[0] = 0x80; /* last block, streaminfo */
|
|
flac_streaminfo[1] = 0;
|
|
flac_streaminfo[2] = 0;
|
|
flac_streaminfo[3] = 34; /* block size */
|
|
op.packet = flac_streaminfo;
|
|
} else {
|
|
msg_Err(p_mux, "Invalid FLAC streaminfo (%ld bytes)",
|
|
op.bytes);
|
|
}
|
|
}
|
|
op.b_o_s = 0;
|
|
op.e_o_s = 0;
|
|
op.granulepos = 0;
|
|
op.packetno = p_stream->i_packet_no++;
|
|
ogg_stream_packetin( &p_stream->os, &op );
|
|
p_og = OggStreamFlush( p_mux, &p_stream->os, 0 );
|
|
block_ChainAppend( &p_hdr, p_og );
|
|
}
|
|
}
|
|
|
|
if ( p_sys->skeleton.b_create )
|
|
{
|
|
msg_Dbg( p_mux, "ending skeleton" );
|
|
op.packet = NULL;
|
|
op.bytes = 0;
|
|
op.b_o_s = 0;
|
|
op.e_o_s = 1;
|
|
op.granulepos = 0;
|
|
op.packetno = p_sys->skeleton.i_packet_no++;
|
|
ogg_stream_packetin( &p_sys->skeleton.os, &op );
|
|
p_og = OggStreamFlush( p_mux, &p_sys->skeleton.os, 0 );
|
|
block_ChainAppend( &p_hdr, p_og );
|
|
}
|
|
|
|
/* set HEADER flag */
|
|
/* flag headers to be resent for streaming clients */
|
|
for( p_og = p_hdr; p_og != NULL; p_og = p_og->p_next )
|
|
{
|
|
p_og->i_flags |= BLOCK_FLAG_HEADER;
|
|
}
|
|
|
|
/* Write previous headers */
|
|
p_sys->i_pos += sout_AccessOutWrite( p_mux->p_access, p_hdr );
|
|
|
|
return true;
|
|
}
|
|
|
|
static void OggCreateStreamFooter( sout_mux_t *p_mux, ogg_stream_t *p_stream )
|
|
{
|
|
block_t *p_og;
|
|
ogg_packet op;
|
|
sout_mux_sys_t *p_sys = p_mux->p_sys;
|
|
|
|
/* as stream is finished, overwrite the index, if there was any */
|
|
if ( p_sys->skeleton.b_create && p_stream->skeleton.p_index
|
|
&& p_stream->skeleton.i_index_payload )
|
|
{
|
|
sout_AccessOutSeek( p_mux->p_access, p_stream->skeleton.i_index_offset );
|
|
OggGetSkeletonIndex( &op.packet, &op.bytes, p_stream );
|
|
if ( op.packet != NULL )
|
|
{
|
|
msg_Dbg(p_mux, "Rewriting index at %"PRId64, p_stream->skeleton.i_index_offset );
|
|
ogg_stream_reset_serialno( &p_sys->skeleton.os, p_sys->skeleton.i_serial_no );
|
|
op.b_o_s = 0;
|
|
op.e_o_s = 0;
|
|
op.granulepos = 0;
|
|
op.packetno = p_stream->skeleton.i_index_packetno + 1;
|
|
/* fake our stream state */
|
|
p_sys->skeleton.os.pageno = p_stream->skeleton.i_index_pageno;
|
|
p_sys->skeleton.os.packetno = p_stream->skeleton.i_index_packetno;
|
|
p_sys->skeleton.os.granulepos = 0;
|
|
p_sys->skeleton.os.b_o_s = 1;
|
|
p_sys->skeleton.os.e_o_s = 0;
|
|
ogg_stream_packetin( &p_sys->skeleton.os, &op );
|
|
ogg_packet_clear( &op );
|
|
p_og = OggStreamFlush( p_mux, &p_sys->skeleton.os, 0 );
|
|
sout_AccessOutWrite( p_mux->p_access, p_og );
|
|
}
|
|
sout_AccessOutSeek( p_mux->p_access, p_sys->i_pos );
|
|
}
|
|
|
|
/* clear skeleton */
|
|
p_stream->skeleton.b_fisbone_done = false;
|
|
p_stream->skeleton.b_index_done = false;
|
|
p_stream->skeleton.i_index_offset = 0;
|
|
p_stream->skeleton.i_index_payload = 0;
|
|
p_stream->skeleton.i_last_keyframe_pos = 0;
|
|
p_stream->skeleton.i_last_keyframe_time = 0;
|
|
/* clear accounting */
|
|
p_stream->i_num_frames = 0;
|
|
p_stream->i_num_keyframes = 0;
|
|
|
|
/* Write eos packet for stream. */
|
|
op.packet = NULL;
|
|
op.bytes = 0;
|
|
op.b_o_s = 0;
|
|
op.e_o_s = 1;
|
|
op.granulepos = p_stream->u_last_granulepos;
|
|
op.packetno = p_stream->i_packet_no++;
|
|
ogg_stream_packetin( &p_stream->os, &op );
|
|
|
|
/* flush it with all remaining data */
|
|
if( ( p_og = OggStreamFlush( p_mux, &p_stream->os, 0 ) ) )
|
|
{
|
|
/* Write footer */
|
|
OggSetDate( p_og, p_stream->i_dts, p_stream->i_length );
|
|
p_sys->i_pos += sout_AccessOutWrite( p_mux->p_access, p_og );
|
|
}
|
|
|
|
ogg_stream_clear( &p_stream->os );
|
|
}
|
|
|
|
static void OggSetDate( block_t *p_og, vlc_tick_t i_dts, vlc_tick_t i_length )
|
|
{
|
|
int i_count;
|
|
block_t *p_tmp;
|
|
vlc_tick_t i_delta;
|
|
|
|
for( p_tmp = p_og, i_count = 0; p_tmp != NULL; p_tmp = p_tmp->p_next )
|
|
{
|
|
i_count++;
|
|
}
|
|
|
|
if( i_count == 0 ) return; /* ignore. */
|
|
|
|
i_delta = i_length / i_count;
|
|
|
|
for( p_tmp = p_og; p_tmp != NULL; p_tmp = p_tmp->p_next )
|
|
{
|
|
p_tmp->i_dts = i_dts;
|
|
p_tmp->i_length = i_delta;
|
|
|
|
i_dts += i_delta;
|
|
}
|
|
}
|
|
|
|
static void OggRewriteFisheadPage( sout_mux_t *p_mux )
|
|
{
|
|
sout_mux_sys_t *p_sys = p_mux->p_sys;
|
|
ogg_packet op;
|
|
op.bytes = 80;
|
|
op.packet = calloc( 1, op.bytes );
|
|
if ( op.packet != NULL )
|
|
{
|
|
op.b_o_s = 1;
|
|
op.e_o_s = 0;
|
|
op.granulepos = 0;
|
|
op.packetno = 0;
|
|
ogg_stream_reset_serialno( &p_sys->skeleton.os, p_sys->skeleton.i_serial_no );
|
|
OggFillSkeletonFishead( op.packet, p_mux );
|
|
ogg_stream_packetin( &p_sys->skeleton.os, &op );
|
|
ogg_packet_clear( &op );
|
|
msg_Dbg( p_mux, "rewriting fishead at %"PRId64, p_sys->skeleton.i_fishead_offset );
|
|
sout_AccessOutSeek( p_mux->p_access, p_sys->skeleton.i_fishead_offset );
|
|
sout_AccessOutWrite( p_mux->p_access,
|
|
OggStreamFlush( p_mux, &p_sys->skeleton.os, 0 ) );
|
|
sout_AccessOutSeek( p_mux->p_access, p_sys->i_pos );
|
|
}
|
|
}
|
|
|
|
static bool AllocateIndex( sout_mux_t *p_mux, sout_input_t *p_input )
|
|
{
|
|
sout_mux_sys_t *p_sys = p_mux->p_sys;
|
|
ogg_stream_t *p_stream = (ogg_stream_t *) p_input->p_sys;
|
|
size_t i_size;
|
|
|
|
if ( p_stream->i_length )
|
|
{
|
|
vlc_tick_t i_interval = p_sys->skeleton.i_index_intvl;
|
|
uint64_t i;
|
|
|
|
if( p_input->p_fmt->i_cat == VIDEO_ES &&
|
|
p_stream->fmt.video.i_frame_rate )
|
|
{
|
|
/* optimize for fps < 1 */
|
|
i_interval= __MAX( i_interval,
|
|
VLC_TICK_FROM_SEC(10) *
|
|
p_stream->fmt.video.i_frame_rate_base /
|
|
p_stream->fmt.video.i_frame_rate );
|
|
}
|
|
|
|
size_t i_tuple_size = 0;
|
|
/* estimate length of pos value */
|
|
if ( p_input->p_fmt->i_bitrate )
|
|
{
|
|
i = samples_from_vlc_tick(i_interval, p_input->p_fmt->i_bitrate);
|
|
while ( i <<= 1 ) i_tuple_size++;
|
|
}
|
|
else
|
|
{
|
|
/* Likely 64KB<<keyframe interval<<16MB */
|
|
/* We can't really guess due to muxing */
|
|
i_tuple_size = 24 / 8;
|
|
}
|
|
|
|
/* add length of interval value */
|
|
i = i_interval;
|
|
while ( i <<= 1 ) i_tuple_size++;
|
|
|
|
i_size = i_tuple_size * ( p_stream->i_length / i_interval + 2 );
|
|
}
|
|
else
|
|
{
|
|
i_size = ( INT64_C(3600) * 11.2 * CLOCK_FREQ / p_sys->skeleton.i_index_intvl )
|
|
* p_sys->skeleton.i_index_ratio;
|
|
msg_Dbg( p_mux, "No stream length, using default allocation for index" );
|
|
}
|
|
i_size *= ( 8.0 / 7 ); /* 7bits encoding overhead */
|
|
msg_Dbg( p_mux, "allocating %zu bytes for index", i_size );
|
|
p_stream->skeleton.p_index = calloc( i_size, sizeof(uint8_t) );
|
|
if ( !p_stream->skeleton.p_index ) return false;
|
|
p_stream->skeleton.i_index_size = i_size;
|
|
p_stream->skeleton.i_index_payload = 0;
|
|
return true;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* Mux: multiplex available data in input fifos into the Ogg bitstream
|
|
*****************************************************************************/
|
|
static int Mux( sout_mux_t *p_mux )
|
|
{
|
|
sout_mux_sys_t *p_sys = p_mux->p_sys;
|
|
vlc_tick_t i_dts;
|
|
|
|
/* End any stream that ends in that group */
|
|
if ( p_sys->i_del_streams )
|
|
{
|
|
/* Remove deleted logical streams */
|
|
for( int i = 0; i < p_sys->i_del_streams; i++ )
|
|
{
|
|
OggCreateStreamFooter( p_mux, p_sys->pp_del_streams[i] );
|
|
FREENULL( p_sys->pp_del_streams[i]->p_oggds_header );
|
|
FREENULL( p_sys->pp_del_streams[i] );
|
|
}
|
|
FREENULL( p_sys->pp_del_streams );
|
|
p_sys->i_del_streams = 0;
|
|
}
|
|
|
|
if ( p_sys->i_streams == 0 )
|
|
{
|
|
/* All streams have been deleted, or none have ever been created
|
|
From this point, we are allowed to start a new group of logical streams */
|
|
p_sys->skeleton.b_head_done = false;
|
|
p_sys->b_can_add_streams = true;
|
|
p_sys->i_segment_start = p_sys->i_pos;
|
|
}
|
|
|
|
if ( p_sys->i_add_streams )
|
|
{
|
|
if ( !p_sys->b_can_add_streams )
|
|
{
|
|
msg_Warn( p_mux, "Can't add new stream %d/%d: Considerer increasing sout-mux-caching variable", p_sys->i_del_streams, p_sys->i_streams);
|
|
msg_Warn( p_mux, "Resetting and setting new identity to current streams");
|
|
|
|
/* resetting all active streams */
|
|
for ( int i=0; i < p_sys->i_streams; i++ )
|
|
{
|
|
ogg_stream_t * p_stream = (ogg_stream_t *) p_mux->pp_inputs[i]->p_sys;
|
|
if ( p_stream->b_finished || !p_stream->b_started ) continue;
|
|
OggCreateStreamFooter( p_mux, p_stream );
|
|
p_stream->i_serial_no = p_sys->i_next_serial_no++;
|
|
p_stream->i_packet_no = 0;
|
|
p_stream->b_finished = true;
|
|
}
|
|
|
|
/* rewrite fishead with final values */
|
|
if ( p_sys->skeleton.b_head_done )
|
|
{
|
|
OggRewriteFisheadPage( p_mux );
|
|
}
|
|
|
|
p_sys->b_can_add_streams = true;
|
|
p_sys->skeleton.b_head_done = false;
|
|
p_sys->i_segment_start = p_sys->i_pos;
|
|
}
|
|
|
|
/* Open new ogg stream */
|
|
if( sout_MuxGetStream( p_mux, 1, &i_dts) < 0 )
|
|
{
|
|
msg_Dbg( p_mux, "waiting for data..." );
|
|
return VLC_SUCCESS;
|
|
}
|
|
msg_Dbg( p_mux, "writing streams headers" );
|
|
p_sys->i_start_dts = i_dts;
|
|
p_sys->i_streams = p_mux->i_nb_inputs;
|
|
p_sys->i_del_streams = 0;
|
|
p_sys->i_add_streams = 0;
|
|
p_sys->skeleton.b_create = true;
|
|
|
|
if ( ! OggCreateHeaders( p_mux ) )
|
|
return VLC_ENOMEM;
|
|
|
|
/* If we're switching to end of headers, then that's data start */
|
|
if ( p_sys->b_can_add_streams )
|
|
{
|
|
msg_Dbg( p_mux, "data starts from %zu", p_sys->i_pos );
|
|
p_sys->i_data_start = p_sys->i_pos;
|
|
}
|
|
|
|
/* Since we started sending secondaryheader or data pages,
|
|
* we're no longer allowed to create new streams, until all streams end */
|
|
p_sys->b_can_add_streams = false;
|
|
}
|
|
|
|
/* Do the regular data mux thing */
|
|
for( ;; )
|
|
{
|
|
int i_stream = sout_MuxGetStream( p_mux, 1, NULL );
|
|
if( i_stream < 0 )
|
|
return VLC_SUCCESS;
|
|
MuxBlock( p_mux, p_mux->pp_inputs[i_stream] );
|
|
}
|
|
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
static int MuxBlock( sout_mux_t *p_mux, sout_input_t *p_input )
|
|
{
|
|
sout_mux_sys_t *p_sys = p_mux->p_sys;
|
|
ogg_stream_t *p_stream = (ogg_stream_t*)p_input->p_sys;
|
|
block_t *p_data = block_FifoGet( p_input->p_fifo );
|
|
block_t *p_og = NULL;
|
|
ogg_packet op;
|
|
vlc_tick_t i_time;
|
|
|
|
if( p_stream->fmt.i_codec != VLC_CODEC_VORBIS &&
|
|
p_stream->fmt.i_codec != VLC_CODEC_FLAC &&
|
|
p_stream->fmt.i_codec != VLC_CODEC_SPEEX &&
|
|
p_stream->fmt.i_codec != VLC_CODEC_OPUS &&
|
|
p_stream->fmt.i_codec != VLC_CODEC_THEORA &&
|
|
p_stream->fmt.i_codec != VLC_CODEC_DAALA &&
|
|
p_stream->fmt.i_codec != VLC_CODEC_VP8 &&
|
|
p_stream->fmt.i_codec != VLC_CODEC_DIRAC )
|
|
{
|
|
p_data = block_Realloc( p_data, 1, p_data->i_buffer );
|
|
p_data->p_buffer[0] = PACKET_IS_SYNCPOINT; // FIXME
|
|
}
|
|
|
|
if ( p_stream->fmt.i_codec == VLC_CODEC_DIRAC && p_stream->i_baseptsdelay < 0 )
|
|
p_stream->i_baseptsdelay = p_data->i_pts - p_data->i_dts;
|
|
|
|
op.packet = p_data->p_buffer;
|
|
op.bytes = p_data->i_buffer;
|
|
op.b_o_s = 0;
|
|
op.e_o_s = 0;
|
|
op.packetno = p_stream->i_packet_no++;
|
|
op.granulepos = -1;
|
|
|
|
if( p_stream->fmt.i_cat == AUDIO_ES )
|
|
{
|
|
if( p_stream->fmt.i_codec == VLC_CODEC_VORBIS ||
|
|
p_stream->fmt.i_codec == VLC_CODEC_FLAC ||
|
|
p_stream->fmt.i_codec == VLC_CODEC_OPUS ||
|
|
p_stream->fmt.i_codec == VLC_CODEC_SPEEX )
|
|
{
|
|
/* number of sample from beginning + current packet */
|
|
op.granulepos =
|
|
samples_from_vlc_tick( p_data->i_dts - p_sys->i_start_dts + p_data->i_length,
|
|
p_input->p_fmt->audio.i_rate );
|
|
|
|
i_time = p_data->i_dts - p_sys->i_start_dts;
|
|
AddIndexEntry( p_mux, i_time, p_input );
|
|
}
|
|
else if( p_stream->p_oggds_header )
|
|
{
|
|
/* number of sample from beginning */
|
|
op.granulepos = samples_from_vlc_tick( p_data->i_dts - p_sys->i_start_dts,
|
|
p_stream->p_oggds_header->i_samples_per_unit );
|
|
}
|
|
}
|
|
else if( p_stream->fmt.i_cat == VIDEO_ES )
|
|
{
|
|
if( p_stream->fmt.i_codec == VLC_CODEC_THEORA ||
|
|
p_stream->fmt.i_codec == VLC_CODEC_DAALA )
|
|
{
|
|
p_stream->i_num_frames++;
|
|
if( p_data->i_flags & BLOCK_FLAG_TYPE_I )
|
|
{
|
|
p_stream->i_num_keyframes++;
|
|
p_stream->i_last_keyframe = p_stream->i_num_frames;
|
|
|
|
/* presentation time */
|
|
i_time = vlc_tick_from_samples( (p_stream->i_num_frames - 1 ) *
|
|
p_stream->fmt.video.i_frame_rate_base,
|
|
p_stream->fmt.video.i_frame_rate );
|
|
AddIndexEntry( p_mux, i_time, p_input );
|
|
}
|
|
|
|
op.granulepos = (p_stream->i_last_keyframe << p_stream->i_keyframe_granule_shift )
|
|
| (p_stream->i_num_frames-p_stream->i_last_keyframe);
|
|
}
|
|
else if( p_stream->fmt.i_codec == VLC_CODEC_DIRAC )
|
|
{
|
|
|
|
#define FRAME_ROUND(a) \
|
|
if ( ( a + 5000 / CLOCK_FREQ ) > ( a / CLOCK_FREQ ) )\
|
|
a += 5000;\
|
|
a /= CLOCK_FREQ;
|
|
|
|
int64_t dt = (p_data->i_dts - p_sys->i_start_dts) * p_stream->fmt.video.i_frame_rate /
|
|
p_stream->fmt.video.i_frame_rate_base;
|
|
FRAME_ROUND( dt );
|
|
|
|
int64_t pt = (p_data->i_pts - p_sys->i_start_dts - p_stream->i_baseptsdelay ) *
|
|
p_stream->fmt.video.i_frame_rate / p_stream->fmt.video.i_frame_rate_base;
|
|
FRAME_ROUND( pt );
|
|
|
|
/* (shro) some PTS could be repeated within 1st frames */
|
|
if ( pt == p_stream->i_dirac_last_pt )
|
|
pt++;
|
|
else
|
|
p_stream->i_dirac_last_pt = pt;
|
|
|
|
/* (shro) some DTS could be repeated within 1st frames */
|
|
if ( dt == p_stream->i_dirac_last_dt )
|
|
dt++;
|
|
else
|
|
p_stream->i_dirac_last_dt = dt;
|
|
|
|
if( p_data->i_flags & BLOCK_FLAG_TYPE_I )
|
|
p_stream->i_last_keyframe = dt;
|
|
int64_t dist = dt - p_stream->i_last_keyframe;
|
|
|
|
/* Everything increments by two for progressive */
|
|
if ( true )
|
|
{
|
|
pt *=2;
|
|
dt *=2;
|
|
}
|
|
|
|
int64_t delay = llabs(pt - dt);
|
|
|
|
op.granulepos = (pt - delay) << 31 | (dist&0xff00) << 14
|
|
| (delay&0x1fff) << 9 | (dist&0xff);
|
|
#ifndef NDEBUG
|
|
msg_Dbg( p_mux, "dts %"PRId64" pts %"PRId64" dt %"PRId64" pt %"PRId64" delay %"PRId64" granule %"PRId64,
|
|
(p_data->i_dts - p_sys->i_start_dts),
|
|
(p_data->i_pts - p_sys->i_start_dts ),
|
|
dt, pt, delay, op.granulepos );
|
|
#endif
|
|
|
|
AddIndexEntry( p_mux, dt, p_input );
|
|
}
|
|
else if( p_stream->fmt.i_codec == VLC_CODEC_VP8 )
|
|
{
|
|
p_stream->i_num_frames++;
|
|
if( p_data->i_flags & BLOCK_FLAG_TYPE_I )
|
|
{
|
|
p_stream->i_num_keyframes++;
|
|
p_stream->i_last_keyframe = p_stream->i_num_frames;
|
|
|
|
/* presentation time */
|
|
i_time = vlc_tick_from_samples( ( p_stream->i_num_frames - 1 ) *
|
|
p_stream->fmt.video.i_frame_rate_base, p_stream->fmt.video.i_frame_rate );
|
|
AddIndexEntry( p_mux, i_time, p_input );
|
|
}
|
|
op.granulepos = ( ((int64_t)p_stream->i_num_frames) << 32 ) |
|
|
( ( ( p_stream->i_num_frames - p_stream->i_last_keyframe ) & 0x07FFFFFF ) << 3 );
|
|
}
|
|
else if( p_stream->p_oggds_header )
|
|
op.granulepos = MSFTIME_FROM_VLC_TICK( p_data->i_dts - p_sys->i_start_dts ) /
|
|
p_stream->p_oggds_header->i_time_unit;
|
|
}
|
|
else if( p_stream->fmt.i_cat == SPU_ES )
|
|
{
|
|
/* granulepos is in millisec */
|
|
op.granulepos = MS_FROM_VLC_TICK( p_data->i_dts - p_sys->i_start_dts );
|
|
}
|
|
else
|
|
return VLC_EGENERIC;
|
|
|
|
p_stream->u_last_granulepos = op.granulepos;
|
|
ogg_stream_packetin( &p_stream->os, &op );
|
|
|
|
if( p_stream->fmt.i_cat == SPU_ES ||
|
|
p_stream->fmt.i_codec == VLC_CODEC_SPEEX ||
|
|
p_stream->fmt.i_codec == VLC_CODEC_DIRAC )
|
|
{
|
|
/* Subtitles or Speex packets are quite small so they
|
|
* need to be flushed to be sent on time */
|
|
/* The OggDirac mapping suggests ever so strongly that a
|
|
* page flush occurs after each OggDirac packet, so to make
|
|
* the timestamps unambiguous */
|
|
p_og = OggStreamFlush( p_mux, &p_stream->os, p_data->i_dts );
|
|
}
|
|
else
|
|
{
|
|
p_og = OggStreamPageOut( p_mux, &p_stream->os, p_data->i_dts );
|
|
}
|
|
|
|
if( p_og )
|
|
{
|
|
OggSetDate( p_og, p_stream->i_dts, p_stream->i_length );
|
|
p_stream->i_dts = -1;
|
|
p_stream->i_length = 0;
|
|
p_sys->i_pos += sout_AccessOutWrite( p_mux->p_access, p_og );
|
|
}
|
|
else
|
|
{
|
|
if( p_stream->i_dts < 0 )
|
|
{
|
|
p_stream->i_dts = p_data->i_dts;
|
|
}
|
|
p_stream->i_length += p_data->i_length;
|
|
}
|
|
|
|
block_Release( p_data );
|
|
return VLC_SUCCESS;
|
|
}
|