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https://code.videolan.org/videolan/vlc
synced 2024-09-04 09:11:33 +02:00
* asf: added stream infos object and fix a bug in packetization.
-> it seems that WMP plays it without problem :))) (tested with DIV3+mp3)
This commit is contained in:
Laurent Aimar
parent
6c7682e327
commit
e5fe2b341f
@ -2,7 +2,7 @@
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* asf.c
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*****************************************************************************
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* Copyright (C) 2003 VideoLAN
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* $Id: asf.c,v 1.5 2003/08/26 23:14:11 fenrir Exp $
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* $Id: asf.c,v 1.6 2003/08/29 01:11:43 fenrir Exp $
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*
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* Authors: Laurent Aimar <fenrir@via.ecp.fr>
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*
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@ -64,12 +64,18 @@ typedef struct
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typedef struct
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{
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int i_id;
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int i_cat;
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int i_sequence;
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int i_id;
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int i_cat;
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int i_extra;
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uint8_t *p_extra;
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/* codec informations */
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uint16_t i_tag; /* for audio */
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vlc_fourcc_t i_fourcc; /* for video */
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char *psz_name; /* codec name */
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int i_sequence;
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int i_extra;
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uint8_t *p_extra;
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} asf_track_t;
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struct sout_mux_sys_t
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@ -116,6 +122,7 @@ static void bo_addle_u32( bo_t *, uint32_t );
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static void bo_addle_u64( bo_t *, uint64_t );
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static void bo_add_mem ( bo_t *, uint8_t *, int );
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static void bo_addle_str16( bo_t *, char * );
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/*****************************************************************************
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* Open:
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@ -237,7 +244,6 @@ static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
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{
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case AUDIO_ES:
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{
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uint16_t i_tag;
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int i_blockalign = p_input->p_fmt->i_block_align;
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int i_bitspersample = 0;
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int i_extra = 0;
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@ -245,47 +251,57 @@ static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
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switch( p_input->p_fmt->i_fourcc )
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{
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case VLC_FOURCC( 'a', '5', '2', ' ' ):
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i_tag = WAVE_FORMAT_A52;
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tk->i_tag = WAVE_FORMAT_A52;
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tk->psz_name = "A/52";
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break;
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case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
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#if 1
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i_tag = WAVE_FORMAT_MPEGLAYER3;
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tk->psz_name = "MPEG Audio Layer 3";
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tk->i_tag = WAVE_FORMAT_MPEGLAYER3;
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i_blockalign = 1;
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i_extra = 12;
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break;
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#else
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i_tag = WAVE_FORMAT_MPEG;
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tk->psz_name = "MPEG Audio Layer 1/2";
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tk->i_tag = WAVE_FORMAT_MPEG;
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i_blockalign = 1;
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i_extra = 22;
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break;
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#endif
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case VLC_FOURCC( 'w', 'm', 'a', '1' ):
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i_tag = WAVE_FORMAT_WMA1;
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tk->psz_name = "Windows Media Audio 1";
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tk->i_tag = WAVE_FORMAT_WMA1;
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break;
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case VLC_FOURCC( 'w', 'm', 'a', '2' ):
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i_tag = WAVE_FORMAT_WMA2;
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tk->psz_name = "Windows Media Audio 2";
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tk->i_tag = WAVE_FORMAT_WMA2;
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break;
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case VLC_FOURCC( 'w', 'm', 'a', '3' ):
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i_tag = WAVE_FORMAT_WMA3;
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tk->psz_name = "Windows Media Audio 3";
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tk->i_tag = WAVE_FORMAT_WMA3;
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break;
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/* raw codec */
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case VLC_FOURCC( 'u', '8', ' ', ' ' ):
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i_tag = WAVE_FORMAT_PCM;
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tk->psz_name = "Raw audio 8bits";
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tk->i_tag = WAVE_FORMAT_PCM;
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i_blockalign= p_input->p_fmt->i_channels;
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i_bitspersample = 8;
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break;
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case VLC_FOURCC( 's', '1', '6', 'l' ):
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i_tag = WAVE_FORMAT_PCM;
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tk->psz_name = "Raw audio 16bits";
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tk->i_tag = WAVE_FORMAT_PCM;
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i_blockalign= 2 * p_input->p_fmt->i_channels;
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i_bitspersample = 16;
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break;
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case VLC_FOURCC( 's', '2', '4', 'l' ):
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i_tag = WAVE_FORMAT_PCM;
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tk->psz_name = "Raw audio 24bits";
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tk->i_tag = WAVE_FORMAT_PCM;
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i_blockalign= 3 * p_input->p_fmt->i_channels;
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i_bitspersample = 24;
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break;
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case VLC_FOURCC( 's', '3', '2', 'l' ):
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i_tag = WAVE_FORMAT_PCM;
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tk->psz_name = "Raw audio 32bits";
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tk->i_tag = WAVE_FORMAT_PCM;
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i_blockalign= 4 * p_input->p_fmt->i_channels;
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i_bitspersample = 32;
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break;
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@ -293,11 +309,12 @@ static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
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return VLC_EGENERIC;
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}
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tk->i_extra = sizeof( WAVEFORMATEX ) +
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p_input->p_fmt->i_extra_data + i_extra;
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tk->p_extra = malloc( tk->i_extra );
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bo_init( &bo, tk->p_extra, tk->i_extra );
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bo_addle_u16( &bo, i_tag );
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bo_addle_u16( &bo, tk->i_tag );
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bo_addle_u16( &bo, p_input->p_fmt->i_channels );
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bo_addle_u32( &bo, p_input->p_fmt->i_sample_rate );
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bo_addle_u32( &bo, p_input->p_fmt->i_bitrate / 8 );
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@ -312,7 +329,7 @@ static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
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else
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{
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bo_addle_u16( &bo, i_extra );
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if( i_tag == WAVE_FORMAT_MPEGLAYER3 )
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if( tk->i_tag == WAVE_FORMAT_MPEGLAYER3 )
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{
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msg_Dbg( p_mux, "adding mp3 header" );
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bo_addle_u16( &bo, 1 ); /* wId */
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@ -321,7 +338,7 @@ static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
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bo_addle_u16( &bo, 1 ); /* nFramesPerBlock */
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bo_addle_u16( &bo, 1393 ); /* nCodecDelay */
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}
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else if( i_tag == WAVE_FORMAT_MPEG )
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else if( tk->i_tag == WAVE_FORMAT_MPEG )
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{
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msg_Dbg( p_mux, "adding mp2 header" );
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bo_addle_u16( &bo, 2 ); /* fwHeadLayer */
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@ -364,24 +381,40 @@ static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
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bo_addle_u16( &bo, 24 );
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if( p_input->p_fmt->i_fourcc == VLC_FOURCC('m','p','4','v') )
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{
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bo_add_mem( &bo, "MP4S", 4 );
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tk->psz_name = "MPEG-4 Video";
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tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', 'S' );
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}
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else if( p_input->p_fmt->i_fourcc == VLC_FOURCC('D','I','V','3') )
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{
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bo_add_mem( &bo, "MP43", 4 );
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tk->psz_name = "MSMPEG-4 V3 Video";
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tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', '3' );
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}
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else if( p_input->p_fmt->i_fourcc == VLC_FOURCC('D','I','V','2') )
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{
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bo_add_mem( &bo, "MP42", 4 );
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tk->psz_name = "MSMPEG-4 V2 Video";
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tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', '2' );
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}
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else if( p_input->p_fmt->i_fourcc == VLC_FOURCC('D','I','V','1') )
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{
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bo_add_mem( &bo, "MPG4", 4 );
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tk->psz_name = "MSMPEG-4 V1 Video";
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tk->i_fourcc = VLC_FOURCC( 'M', 'P', 'G', '4' );
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}
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else if( p_input->p_fmt->i_fourcc == VLC_FOURCC('W','M','V','1') )
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{
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tk->psz_name = "Windows Media Video 1";
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tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '1' );
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}
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else if( p_input->p_fmt->i_fourcc == VLC_FOURCC('W','M','V','2') )
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{
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tk->psz_name = "Windows Media Video 2";
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tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '2' );
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}
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else
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{
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bo_add_mem( &bo, (uint8_t*)&p_input->p_fmt->i_fourcc, 4 );
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tk->psz_name = "Unknow Video";
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tk->i_fourcc = p_input->p_fmt->i_fourcc;
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}
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bo_add_mem( &bo, (uint8_t*)&tk->i_fourcc, 4 );
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bo_addle_u32( &bo, 0 );
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bo_addle_u32( &bo, 0 );
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bo_addle_u32( &bo, 0 );
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@ -567,6 +600,22 @@ static void bo_add_mem( bo_t *p_bo, uint8_t *p_mem, int i_size )
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p_bo->i_buffer += i_size;
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}
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static void bo_addle_str16( bo_t *bo, char *str )
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{
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bo_addle_u16( bo, strlen( str ) + 1 );
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for( ;; )
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{
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uint16_t c;
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c = (uint8_t)*str++;
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bo_addle_u16( bo, c );
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if( c == '\0' )
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{
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break;
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}
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}
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}
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/****************************************************************************
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* guid
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****************************************************************************/
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@ -658,6 +707,20 @@ static const guid_t asf_guid_reserved_1 =
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0x11cf,
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{ 0x8E, 0xE6,0x00, 0xC0, 0x0C ,0x20, 0x53, 0x65 }
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};
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static const guid_t asf_object_comment_guid =
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{
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0x86D15240,
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0x311D,
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0x11D0,
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{ 0xA3, 0xA4, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6 }
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};
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static const guid_t asf_object_comment_reserved_guid =
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{
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0x86D15241,
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0x311D,
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0x11D0,
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{ 0xA3, 0xA4, 0x00, 0xA0, 0xC9, 0x03, 0x48, 0xF6 }
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};
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static void asf_chunk_add( bo_t *bo,
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int i_type, int i_len, int i_flags, int i_seq )
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@ -677,6 +740,7 @@ static sout_buffer_t *asf_header_create( sout_mux_t *p_mux,
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mtime_t i_duration = 0;
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int i_size;
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int i_ci_size;
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sout_buffer_t *out;
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bo_t bo;
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int i;
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@ -692,11 +756,23 @@ static sout_buffer_t *asf_header_create( sout_mux_t *p_mux,
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/* calculate header size */
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i_size = 30 + 104 + 46;
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i_ci_size = 44;
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for( i = 1; i < p_sys->i_track; i++ )
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{
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i_size += 78 + p_sys->track[i].i_extra;
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i_ci_size += 8 + 2 * strlen( p_sys->track[i].psz_name );
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if( p_sys->track[i].i_cat == AUDIO_ES )
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{
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i_ci_size += 4;
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}
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else if( p_sys->track[i].i_cat == VIDEO_ES )
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{
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i_ci_size += 6;
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}
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}
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i_size += i_ci_size;
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if( p_sys->b_asf_http )
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{
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out = sout_BufferNew( p_mux->p_sout, i_size + 50 + 12 );
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@ -765,6 +841,31 @@ static sout_buffer_t *asf_header_create( sout_mux_t *p_mux,
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bo_add_mem ( &bo, tk->p_extra, tk->i_extra );
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}
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/* Codec Infos */
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bo_add_guid ( &bo, &asf_object_comment_guid );
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bo_addle_u64( &bo, i_ci_size );
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bo_add_guid ( &bo, &asf_object_comment_reserved_guid );
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bo_addle_u32( &bo, p_sys->i_track - 1 );
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for( i = 1; i < p_sys->i_track; i++ )
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{
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tk = &p_sys->track[i];
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bo_addle_u16( &bo, tk->i_id );
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bo_addle_str16( &bo, tk->psz_name );
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bo_addle_u16( &bo, 0 );
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if( tk->i_cat == AUDIO_ES )
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{
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bo_addle_u16( &bo, 2 );
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bo_addle_u16( &bo, tk->i_tag );
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}
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else if( tk->i_cat == VIDEO_ES )
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{
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bo_addle_u16( &bo, 4 );
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bo_add_mem ( &bo, (uint8_t*)&tk->i_fourcc, 4 );
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}
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}
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/* data object */
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bo_add_guid ( &bo, &asf_object_data_guid );
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bo_addle_u64( &bo, 50 + p_sys->i_packet_count * p_sys->i_packet_size );
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@ -824,7 +925,7 @@ static sout_buffer_t *asf_packet_create( sout_mux_t *p_mux,
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p_sys->i_pk_frame++;
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if( p_sys->i_pk_used + 14 >= p_sys->i_packet_size )
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if( p_sys->i_pk_used + 17 >= p_sys->i_packet_size )
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{
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/* not enough data for another payload, flush the packet */
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int i_pad = p_sys->i_packet_size - p_sys->i_pk_used;
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