Commit 1d5118e0 authored by Jon Lech Johansen's avatar Jon Lech Johansen

* DTS S/PDIF support.

parent 03fc820b
...@@ -801,9 +801,9 @@ dnl ...@@ -801,9 +801,9 @@ dnl
BUILTINS="${BUILTINS} mpeg_video idct idctclassic motion" BUILTINS="${BUILTINS} mpeg_video idct idctclassic motion"
PLUGINS="${PLUGINS} dummy rc logger gestures access_file memcpy" PLUGINS="${PLUGINS} dummy rc logger gestures access_file memcpy"
PLUGINS="${PLUGINS} es audio m4v mpeg_system ps ts avi asf aac mp4 rawdv" PLUGINS="${PLUGINS} es audio m4v mpeg_system ps ts avi asf aac mp4 rawdv"
PLUGINS="${PLUGINS} spudec mpeg_audio lpcm a52 cinepak" PLUGINS="${PLUGINS} spudec mpeg_audio lpcm a52 dts cinepak"
PLUGINS="${PLUGINS} deinterlace invert adjust wall transform distort clone crop motionblur" PLUGINS="${PLUGINS} deinterlace invert adjust wall transform distort clone crop motionblur"
PLUGINS="${PLUGINS} float32tos16 float32tos8 float32tou16 float32tou8 a52tospdif fixed32tofloat32 fixed32tos16 s16tofloat32 s16tofloat32swab s8tofloat32 u8tofixed32 u8tofloat32" PLUGINS="${PLUGINS} float32tos16 float32tos8 float32tou16 float32tou8 a52tospdif dtstospdif fixed32tofloat32 fixed32tos16 s16tofloat32 s16tofloat32swab s8tofloat32 u8tofixed32 u8tofloat32"
PLUGINS="${PLUGINS} trivial_resampler ugly_resampler linear_resampler bandlimited_resampler" PLUGINS="${PLUGINS} trivial_resampler ugly_resampler linear_resampler bandlimited_resampler"
PLUGINS="${PLUGINS} trivial_channel_mixer headphone_channel_mixer" PLUGINS="${PLUGINS} trivial_channel_mixer headphone_channel_mixer"
PLUGINS="${PLUGINS} trivial_mixer spdif_mixer float32_mixer" PLUGINS="${PLUGINS} trivial_mixer spdif_mixer float32_mixer"
......
...@@ -4,6 +4,7 @@ SOURCES_float32tou16 = modules/audio_filter/converter/float32tou16.c ...@@ -4,6 +4,7 @@ SOURCES_float32tou16 = modules/audio_filter/converter/float32tou16.c
SOURCES_float32tou8 = modules/audio_filter/converter/float32tou8.c SOURCES_float32tou8 = modules/audio_filter/converter/float32tou8.c
SOURCES_a52tospdif = modules/audio_filter/converter/a52tospdif.c SOURCES_a52tospdif = modules/audio_filter/converter/a52tospdif.c
SOURCES_a52tofloat32 = modules/audio_filter/converter/a52tofloat32.c SOURCES_a52tofloat32 = modules/audio_filter/converter/a52tofloat32.c
SOURCES_dtstospdif = modules/audio_filter/converter/dtstospdif.c
SOURCES_fixed32tos16 = modules/audio_filter/converter/fixed32tos16.c SOURCES_fixed32tos16 = modules/audio_filter/converter/fixed32tos16.c
SOURCES_fixed32tofloat32 = modules/audio_filter/converter/fixed32tofloat32.c SOURCES_fixed32tofloat32 = modules/audio_filter/converter/fixed32tofloat32.c
SOURCES_s16tofloat32 = modules/audio_filter/converter/s16tofloat32.c SOURCES_s16tofloat32 = modules/audio_filter/converter/s16tofloat32.c
......
/*****************************************************************************
* dtstospdif.c : encapsulates DTS frames into S/PDIF packets
*****************************************************************************
* Copyright (C) 2003 VideoLAN
* $Id: dtstospdif.c,v 1.1 2003/03/09 20:07:47 jlj Exp $
*
* Authors: Jon Lech Johansen <jon-vl@nanocrew.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#include <stdlib.h> /* malloc(), free() */
#include <string.h>
#include <vlc/vlc.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include "audio_output.h"
#include "aout_internal.h"
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Create ( vlc_object_t * );
static void DoWork ( aout_instance_t *, aout_filter_t *, aout_buffer_t *,
aout_buffer_t * );
/*****************************************************************************
* Module descriptor
*****************************************************************************/
vlc_module_begin();
set_description( _("audio filter for DTS->S/PDIF encapsulation") );
set_capability( "audio filter", 10 );
set_callbacks( Create, NULL );
vlc_module_end();
/*****************************************************************************
* Create:
*****************************************************************************/
static int Create( vlc_object_t *p_this )
{
aout_filter_t * p_filter = (aout_filter_t *)p_this;
if ( p_filter->input.i_format != VLC_FOURCC('d','t','s',' ')
|| p_filter->output.i_format != VLC_FOURCC('s','p','d','i') )
{
return -1;
}
p_filter->pf_do_work = DoWork;
p_filter->b_in_place = 0;
return 0;
}
/*****************************************************************************
* DoWork: convert a buffer
*****************************************************************************/
static void DoWork( aout_instance_t * p_aout, aout_filter_t * p_filter,
aout_buffer_t * p_in_buf, aout_buffer_t * p_out_buf )
{
uint16_t i_fz = (p_in_buf->i_nb_samples / 3) * 4;
uint16_t i_frame, i_length = p_in_buf->i_nb_bytes / 3;
static const uint8_t p_sync[6] = { 0x72, 0xF8, 0x1F, 0x4E, 0x00, 0x00 };
for( i_frame = 0; i_frame < 3; i_frame++ )
{
#ifndef HAVE_SWAB
uint16_t i;
byte_t * p_tmp;
#endif
byte_t * p_out = p_out_buf->p_buffer + (i_frame * i_fz);
byte_t * p_in = p_in_buf->p_buffer + (i_frame * i_length);
/* Copy the S/PDIF headers. */
memcpy( p_out, p_sync, 6 );
switch( p_in_buf->i_nb_samples / 3 )
{
case 512: *(p_out + 4) = 0x0B; break;
case 1024: *(p_out + 4) = 0x0C; break;
case 2048: *(p_out + 4) = 0x0D; break;
}
*(p_out + 6) = (i_length * 8) & 0xff;
*(p_out + 7) = (i_length * 8) >> 8;
#ifdef HAVE_SWAB
swab( p_in, p_out + 8, i_length );
#else
p_tmp = p_out + 8;
for( i = i_length / 2 ; i-- ; )
{
p_tmp[0] = p_in[1];
p_tmp[1] = p_in[0];
p_tmp += 2; p_in += 2;
}
#endif
p_filter->p_vlc->pf_memset( p_out + 8 + i_length, 0,
i_fz - i_length - 8 );
}
p_out_buf->i_nb_samples = p_in_buf->i_nb_samples;
p_out_buf->i_nb_bytes = p_out_buf->i_nb_samples * 4;
}
SOURCES_a52 = modules/codec/a52.c SOURCES_a52 = modules/codec/a52.c
SOURCES_dts = modules/codec/dts.c
SOURCES_flacdec = modules/codec/flacdec.c SOURCES_flacdec = modules/codec/flacdec.c
SOURCES_lpcm = modules/codec/lpcm.c SOURCES_lpcm = modules/codec/lpcm.c
SOURCES_araw = modules/codec/araw.c SOURCES_araw = modules/codec/araw.c
......
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