/*****************************************************************************
* dtstofloat32.c: DTS Coherent Acoustics decoder plugin for VLC.
- * This plugin makes use of libdts to do the actual decoding
- * (http://www.videolan.org/dtsdec/).
+ * This plugin makes use of libdca to do the actual decoding
+ * (http://developers.videolan.org/libdca.html).
*****************************************************************************
- * Copyright (C) 2001, 2002 the VideoLAN team
+ * Copyright (C) 2001, 2002libdca the VideoLAN team
* $Id$
*
* Author: Gildas Bazin <gbazin@videolan.org>
- *
+ *
* 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
*
* 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.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <vlc/vlc.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
-#include <stdlib.h> /* malloc(), free() */
-#include <string.h> /* strdup() */
+#include <vlc_common.h>
+#include <vlc_plugin.h>
-#include <dts.h> /* libdts header file */
-#include <vlc/decoder.h>
-#include "aout_internal.h"
-#include "vlc_filter.h"
+#include <dca.h> /* libdca header file */
+
+#include <vlc_aout.h>
+#include <vlc_block.h>
+#include <vlc_filter.h>
/*****************************************************************************
* Local prototypes
*****************************************************************************/
-static int Create ( vlc_object_t * );
-static void Destroy ( vlc_object_t * );
-static void DoWork ( aout_instance_t *, aout_filter_t *, aout_buffer_t *,
- aout_buffer_t * );
-
-static int Open ( vlc_object_t *, filter_sys_t *,
- audio_format_t, audio_format_t );
-
static int OpenFilter ( vlc_object_t * );
static void CloseFilter( vlc_object_t * );
static block_t *Convert( filter_t *, block_t * );
-/* libdts channel order */
+/* libdca channel order
+ * libdca currently only decodes 5.1, even if you have a DTS-ES source. */
static const uint32_t pi_channels_in[] =
{ AOUT_CHAN_CENTER, AOUT_CHAN_LEFT, AOUT_CHAN_RIGHT,
- AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT, AOUT_CHAN_LFE, 0 };
-/* our internal channel order (WG-4 order) */
-static const uint32_t pi_channels_out[] =
-{ AOUT_CHAN_LEFT, AOUT_CHAN_RIGHT, AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT,
- AOUT_CHAN_CENTER, AOUT_CHAN_LFE, 0 };
+ AOUT_CHAN_REARCENTER, AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT,
+ AOUT_CHAN_LFE,
+ 0 };
/*****************************************************************************
* Local structures
*****************************************************************************/
struct filter_sys_t
{
- dts_state_t * p_libdts; /* libdts internal structure */
- vlc_bool_t b_dynrng; /* see below */
- int i_flags; /* libdts flags, see dtsdec/doc/libdts.txt */
- vlc_bool_t b_dontwarn;
+ dca_state_t * p_libdca; /* libdca internal structure */
+ bool b_dynrng; /* see below */
+ int i_flags; /* libdca flags, see dtsdec/doc/libdts.txt */
+ bool b_dontwarn;
int i_nb_channels; /* number of float32 per sample */
int pi_chan_table[AOUT_CHAN_MAX]; /* channel reordering */
"compression the playback will be more adapted to a movie theater or a " \
"listening room.")
-vlc_module_begin();
- set_category( CAT_INPUT );
- set_subcategory( SUBCAT_INPUT_ACODEC );
- set_shortname( _("DTS" ) );
- set_description( _("DTS Coherent Acoustics audio decoder") );
- add_bool( "dts-dynrng", 1, NULL, DYNRNG_TEXT, DYNRNG_LONGTEXT, VLC_FALSE );
- set_capability( "audio filter", 100 );
- set_callbacks( Create, Destroy );
-
- add_submodule();
- set_description( _("DTS Coherent Acoustics audio decoder") );
- set_capability( "audio filter2", 100 );
- set_callbacks( OpenFilter, CloseFilter );
-vlc_module_end();
+vlc_module_begin ()
+ set_category( CAT_INPUT )
+ set_subcategory( SUBCAT_INPUT_ACODEC )
+ set_shortname( "DCA" )
+ set_description( N_("DTS Coherent Acoustics audio decoder") )
+ add_bool( "dts-dynrng", true, NULL, DYNRNG_TEXT, DYNRNG_LONGTEXT, false )
+ set_capability( "audio filter", 100 )
+ set_callbacks( OpenFilter, CloseFilter )
+vlc_module_end ()
/*****************************************************************************
- * Create:
- *****************************************************************************/
-static int Create( vlc_object_t *p_this )
-{
- aout_filter_t *p_filter = (aout_filter_t *)p_this;
- filter_sys_t *p_sys;
- int i_ret;
-
- if ( p_filter->input.i_format != VLC_FOURCC('d','t','s',' ')
- || p_filter->output.i_format != VLC_FOURCC('f','l','3','2') )
- {
- return -1;
- }
-
- if ( p_filter->input.i_rate != p_filter->output.i_rate )
- {
- return -1;
- }
-
- /* Allocate the memory needed to store the module's structure */
- p_sys = malloc( sizeof(filter_sys_t) );
- p_filter->p_sys = (struct aout_filter_sys_t *)p_sys;
- if( p_sys == NULL )
- {
- msg_Err( p_filter, "out of memory" );
- return -1;
- }
-
- i_ret = Open( VLC_OBJECT(p_filter), p_sys,
- p_filter->input, p_filter->output );
-
- p_filter->pf_do_work = DoWork;
- p_filter->b_in_place = 0;
-
- return i_ret;
-}
-
-/*****************************************************************************
- * Open:
+ * Open:
*****************************************************************************/
static int Open( vlc_object_t *p_this, filter_sys_t *p_sys,
audio_format_t input, audio_format_t output )
{
- p_sys->b_dynrng = config_GetInt( p_this, "dts-dynrng" );
+ p_sys->b_dynrng = var_InheritInteger( p_this, "dts-dynrng" );
p_sys->b_dontwarn = 0;
/* We'll do our own downmixing, thanks. */
|| (output.i_original_channels
& (AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT)) )
{
- p_sys->i_flags = DTS_MONO;
+ p_sys->i_flags = DCA_MONO;
}
break;
case AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT:
if ( output.i_original_channels & AOUT_CHAN_DOLBYSTEREO )
{
- p_sys->i_flags = DTS_DOLBY;
+ p_sys->i_flags = DCA_DOLBY;
}
else if ( input.i_original_channels == AOUT_CHAN_CENTER )
{
- p_sys->i_flags = DTS_MONO;
+ p_sys->i_flags = DCA_MONO;
}
else if ( input.i_original_channels & AOUT_CHAN_DUALMONO )
{
- p_sys->i_flags = DTS_CHANNEL;
+ p_sys->i_flags = DCA_CHANNEL;
}
else
{
- p_sys->i_flags = DTS_STEREO;
+ p_sys->i_flags = DCA_STEREO;
}
break;
case AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER:
- p_sys->i_flags = DTS_3F;
+ p_sys->i_flags = DCA_3F;
break;
case AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARCENTER:
- p_sys->i_flags = DTS_2F1R;
+ p_sys->i_flags = DCA_2F1R;
break;
case AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
| AOUT_CHAN_REARCENTER:
- p_sys->i_flags = DTS_3F1R;
+ p_sys->i_flags = DCA_3F1R;
break;
case AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT:
- p_sys->i_flags = DTS_2F2R;
+ p_sys->i_flags = DCA_2F2R;
break;
case AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
| AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT:
- p_sys->i_flags = DTS_3F2R;
+ p_sys->i_flags = DCA_3F2R;
break;
default:
}
if ( output.i_physical_channels & AOUT_CHAN_LFE )
{
- p_sys->i_flags |= DTS_LFE;
+ p_sys->i_flags |= DCA_LFE;
}
- //p_sys->i_flags |= DTS_ADJUST_LEVEL;
+ //p_sys->i_flags |= DCA_ADJUST_LEVEL;
- /* Initialize libdts */
- p_sys->p_libdts = dts_init( 0 );
- if( p_sys->p_libdts == NULL )
+ /* Initialize libdca */
+ p_sys->p_libdca = dca_init( 0 );
+ if( p_sys->p_libdca == NULL )
{
- msg_Err( p_this, "unable to initialize libdts" );
+ msg_Err( p_this, "unable to initialize libdca" );
return VLC_EGENERIC;
}
- aout_CheckChannelReorder( pi_channels_in, pi_channels_out,
+ aout_CheckChannelReorder( pi_channels_in, NULL,
output.i_physical_channels & AOUT_CHAN_PHYSMASK,
p_sys->i_nb_channels,
p_sys->pi_chan_table );
/*****************************************************************************
* DoWork: decode a DTS frame.
*****************************************************************************/
-static void DoWork( aout_instance_t * p_aout, aout_filter_t * p_filter,
+static void DoWork( filter_t * p_filter,
aout_buffer_t * p_in_buf, aout_buffer_t * p_out_buf )
{
- filter_sys_t *p_sys = (filter_sys_t *)p_filter->p_sys;
+ filter_sys_t *p_sys = p_filter->p_sys;
sample_t i_sample_level = 1;
int i_flags = p_sys->i_flags;
int i_bytes_per_block = 256 * p_sys->i_nb_channels
/* Needs to be called so the decoder knows which type of bitstream it is
* dealing with. */
int i_sample_rate, i_bit_rate, i_frame_length;
- if( !dts_syncinfo( p_sys->p_libdts, p_in_buf->p_buffer, &i_flags,
+ if( !dca_syncinfo( p_sys->p_libdca, p_in_buf->p_buffer, &i_flags,
&i_sample_rate, &i_bit_rate, &i_frame_length ) )
{
- msg_Warn( p_aout, "libdts couldn't sync on frame" );
- p_out_buf->i_nb_samples = p_out_buf->i_nb_bytes = 0;
+ msg_Warn( p_filter, "libdca couldn't sync on frame" );
+ p_out_buf->i_nb_samples = p_out_buf->i_buffer = 0;
return;
}
i_flags = p_sys->i_flags;
- dts_frame( p_sys->p_libdts, p_in_buf->p_buffer,
+ dca_frame( p_sys->p_libdca, p_in_buf->p_buffer,
&i_flags, &i_sample_level, 0 );
- if ( (i_flags & DTS_CHANNEL_MASK) != (p_sys->i_flags & DTS_CHANNEL_MASK)
+ if ( (i_flags & DCA_CHANNEL_MASK) != (p_sys->i_flags & DCA_CHANNEL_MASK)
&& !p_sys->b_dontwarn )
{
- msg_Warn( p_aout,
- "libdts couldn't do the requested downmix 0x%x->0x%x",
- p_sys->i_flags & DTS_CHANNEL_MASK,
- i_flags & DTS_CHANNEL_MASK );
+ msg_Warn( p_filter,
+ "libdca couldn't do the requested downmix 0x%x->0x%x",
+ p_sys->i_flags & DCA_CHANNEL_MASK,
+ i_flags & DCA_CHANNEL_MASK );
p_sys->b_dontwarn = 1;
}
if( 0)//!p_sys->b_dynrng )
{
- dts_dynrng( p_sys->p_libdts, NULL, NULL );
+ dca_dynrng( p_sys->p_libdca, NULL, NULL );
}
- for ( i = 0; i < dts_blocks_num(p_sys->p_libdts); i++ )
+ for ( i = 0; i < dca_blocks_num(p_sys->p_libdca); i++ )
{
sample_t * p_samples;
- if( dts_block( p_sys->p_libdts ) )
+ if( dca_block( p_sys->p_libdca ) )
{
- msg_Warn( p_aout, "dts_block failed for block %d", i );
+ msg_Warn( p_filter, "dca_block failed for block %d", i );
break;
}
- p_samples = dts_samples( p_sys->p_libdts );
+ p_samples = dca_samples( p_sys->p_libdca );
- if ( (p_sys->i_flags & DTS_CHANNEL_MASK) == DTS_MONO
- && (p_filter->output.i_physical_channels
+ if ( (p_sys->i_flags & DCA_CHANNEL_MASK) == DCA_MONO
+ && (p_filter->fmt_out.audio.i_physical_channels
& (AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT)) )
{
Duplicate( (float *)(p_out_buf->p_buffer + i * i_bytes_per_block),
p_samples );
}
- else if ( p_filter->output.i_original_channels
+ else if ( p_filter->fmt_out.audio.i_original_channels
& AOUT_CHAN_REVERSESTEREO )
{
Exchange( (float *)(p_out_buf->p_buffer + i * i_bytes_per_block),
}
else
{
- /* Interleave the *$£%ù samples. */
+ /* Interleave the *$£%ù samples. */
Interleave( (float *)(p_out_buf->p_buffer + i * i_bytes_per_block),
p_samples, p_sys->i_nb_channels, p_sys->pi_chan_table);
}
}
p_out_buf->i_nb_samples = p_in_buf->i_nb_samples;
- p_out_buf->i_nb_bytes = i_bytes_per_block * i;
+ p_out_buf->i_buffer = i_bytes_per_block * i;
}
/*****************************************************************************
- * Destroy : deallocate data structures
- *****************************************************************************/
-static void Destroy( vlc_object_t *p_this )
-{
- aout_filter_t *p_filter = (aout_filter_t *)p_this;
- filter_sys_t *p_sys = (filter_sys_t *)p_filter->p_sys;
-
- dts_free( p_sys->p_libdts );
- free( p_sys );
-}
-
-/*****************************************************************************
- * OpenFilter:
+ * OpenFilter:
*****************************************************************************/
static int OpenFilter( vlc_object_t *p_this )
{
filter_sys_t *p_sys;
int i_ret;
- if( p_filter->fmt_in.i_codec != VLC_FOURCC('d','t','s',' ') )
+ if( p_filter->fmt_in.i_codec != VLC_CODEC_DTS ||
+ p_filter->fmt_out.audio.i_format == VLC_CODEC_SPDIFB ||
+ p_filter->fmt_out.audio.i_format == VLC_CODEC_SPDIFL )
{
return VLC_EGENERIC;
}
p_filter->fmt_out.audio.i_format =
- p_filter->fmt_out.i_codec = VLC_FOURCC('f','l','3','2');
+ p_filter->fmt_out.i_codec = VLC_CODEC_FL32;
+ p_filter->fmt_out.audio.i_bitspersample =
+ aout_BitsPerSample( p_filter->fmt_out.i_codec );
/* Allocate the memory needed to store the module's structure */
p_sys = p_filter->p_sys = malloc( sizeof(filter_sys_t) );
if( p_sys == NULL )
- {
- msg_Err( p_filter, "out of memory" );
- return VLC_EGENERIC;
- }
-
- /* Allocate the memory needed to store the module's structure */
- p_filter->p_sys = p_sys = malloc( sizeof(filter_sys_t) );
- if( p_sys == NULL )
- {
- msg_Err( p_filter, "out of memory" );
- return VLC_EGENERIC;
- }
+ return VLC_ENOMEM;
i_ret = Open( VLC_OBJECT(p_filter), p_sys,
p_filter->fmt_in.audio, p_filter->fmt_out.audio );
filter_t *p_filter = (filter_t *)p_this;
filter_sys_t *p_sys = p_filter->p_sys;
- dts_free( p_sys->p_libdts );
+ dca_free( p_sys->p_libdca );
free( p_sys );
}
static block_t *Convert( filter_t *p_filter, block_t *p_block )
{
- aout_filter_t aout_filter;
- aout_buffer_t in_buf, out_buf;
- block_t *p_out;
- int i_out_size;
-
- if( !p_block || !p_block->i_samples )
+ if( !p_block || !p_block->i_nb_samples )
{
- if( p_block ) p_block->pf_release( p_block );
+ if( p_block )
+ block_Release( p_block );
return NULL;
}
- i_out_size = p_block->i_samples *
+ size_t i_out_size = p_block->i_nb_samples *
p_filter->fmt_out.audio.i_bitspersample *
p_filter->fmt_out.audio.i_channels / 8;
- p_out = p_filter->pf_audio_buffer_new( p_filter, i_out_size );
+ block_t *p_out = p_filter->pf_audio_buffer_new( p_filter, i_out_size );
if( !p_out )
{
msg_Warn( p_filter, "can't get output buffer" );
- p_block->pf_release( p_block );
+ block_Release( p_block );
return NULL;
}
- p_out->i_samples = p_block->i_samples;
+ p_out->i_nb_samples = p_block->i_nb_samples;
p_out->i_dts = p_block->i_dts;
p_out->i_pts = p_block->i_pts;
p_out->i_length = p_block->i_length;
- aout_filter.p_sys = (struct aout_filter_sys_t *)p_filter->p_sys;
- aout_filter.input = p_filter->fmt_in.audio;
- aout_filter.input.i_format = p_filter->fmt_in.i_codec;
- aout_filter.output = p_filter->fmt_out.audio;
- aout_filter.output.i_format = p_filter->fmt_out.i_codec;
-
- in_buf.p_buffer = p_block->p_buffer;
- in_buf.i_nb_bytes = p_block->i_buffer;
- in_buf.i_nb_samples = p_block->i_samples;
- out_buf.p_buffer = p_out->p_buffer;
- out_buf.i_nb_bytes = p_out->i_buffer;
- out_buf.i_nb_samples = p_out->i_samples;
-
- DoWork( (aout_instance_t *)p_filter, &aout_filter, &in_buf, &out_buf );
-
- p_out->i_buffer = out_buf.i_nb_bytes;
- p_out->i_samples = out_buf.i_nb_samples;
+ DoWork( p_filter, p_block, p_out );
- p_block->pf_release( p_block );
+ block_Release( p_block );
return p_out;
}
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