/*****************************************************************************
- * toolame.c: libtoolame encoder (MPEG-1/2 layer II) module
- * (using libtoolame from http://users.tpg.com.au/adslblvi/)
+ * twolame.c: libtwolame encoder (MPEG-1/2 layer II) module
+ * (using libtwolame from http://users.tpg.com.au/adslblvi/)
*****************************************************************************
- * Copyright (C) 2004 VideoLAN
+ * Copyright (C) 2004-2005 VideoLAN
* $Id$
*
* Authors: Christophe Massiot <massiot@via.ecp.fr>
#include <vlc/sout.h>
#include <vlc/aout.h>
-#include <toolame.h>
+#include <twolame.h>
#define MPEG_FRAME_SIZE 1152
#define MAX_CODED_FRAME_SIZE 1792
/*****************************************************************************
* Module descriptor
*****************************************************************************/
-#define ENC_CFG_PREFIX "sout-toolame-"
+#define ENC_CFG_PREFIX "sout-twolame-"
#define ENC_QUALITY_TEXT N_("Encoding quality")
#define ENC_QUALITY_LONGTEXT N_( \
#define ENC_VBR_TEXT N_("VBR mode")
#define ENC_VBR_LONGTEXT N_( \
"By default the encoding is CBR." )
+#define ENC_PSY_TEXT N_("Psycho-acoustic model")
+#define ENC_PSY_LONGTEXT N_( \
+ "Integer from -1 (no model) to 4." )
vlc_module_begin();
- set_shortname( "toolame");
- set_description( _("Libtoolame audio encoder") );
+ set_shortname( "twolame");
+ set_description( _("Libtwolame audio encoder") );
set_capability( "encoder", 50 );
set_callbacks( OpenEncoder, CloseEncoder );
set_category( CAT_INPUT );
ENC_MODE_LONGTEXT, VLC_FALSE );
add_bool( ENC_CFG_PREFIX "vbr", 0, NULL, ENC_VBR_TEXT,
ENC_VBR_LONGTEXT, VLC_FALSE );
+ add_integer( ENC_CFG_PREFIX "psy", 3, NULL, ENC_PSY_TEXT,
+ ENC_PSY_LONGTEXT, VLC_FALSE );
vlc_module_end();
static const char *ppsz_enc_options[] = {
- "quality", "mode", "vbr", NULL
+ "quality", "mode", "vbr", "psy", NULL
};
/*****************************************************************************
- * encoder_sys_t : toolame encoder descriptor
+ * encoder_sys_t : twolame encoder descriptor
*****************************************************************************/
struct encoder_sys_t
{
/*
* Input properties
*/
- int16_t p_left[MPEG_FRAME_SIZE];
- int16_t p_right[MPEG_FRAME_SIZE];
+ int16_t p_buffer[MPEG_FRAME_SIZE * 2];
int i_nb_samples;
- audio_date_t pts;
+ mtime_t i_pts;
/*
- * libtoolame properties
+ * libtwolame properties
*/
- toolame_options *p_toolame;
+ twolame_options *p_twolame;
unsigned char p_out_buffer[MAX_CODED_FRAME_SIZE];
};
sout_CfgParse( p_enc, ENC_CFG_PREFIX, ppsz_enc_options, p_enc->p_cfg );
- p_sys->p_toolame = toolame_init();
+ p_sys->p_twolame = twolame_init();
/* Set options */
- toolame_setSampleFreq( p_sys->p_toolame, p_enc->fmt_out.audio.i_rate );
+ twolame_set_in_samplerate( p_sys->p_twolame, p_enc->fmt_out.audio.i_rate );
+ twolame_set_out_samplerate( p_sys->p_twolame, p_enc->fmt_out.audio.i_rate );
var_Get( p_enc, ENC_CFG_PREFIX "vbr", &val );
if ( val.b_bool )
{
- FLOAT i_quality;
+ float i_quality;
var_Get( p_enc, ENC_CFG_PREFIX "quality", &val );
i_quality = val.i_int;
if ( i_quality > 50.0 ) i_quality = 50.0;
if ( i_quality < 0.0 ) i_quality = 0.0;
- toolame_setVBR( p_sys->p_toolame, 1 );
- toolame_setVBRLevel( p_sys->p_toolame, i_quality );
+ twolame_set_VBR( p_sys->p_twolame, 1 );
+ twolame_set_VBR_q( p_sys->p_twolame, i_quality );
}
else
{
- toolame_setBitrate( p_sys->p_toolame, p_enc->fmt_out.i_bitrate / 1000 );
+ twolame_set_bitrate( p_sys->p_twolame, p_enc->fmt_out.i_bitrate / 1000 );
}
if ( p_enc->fmt_in.audio.i_channels == 1 )
{
- toolame_setMode( p_sys->p_toolame, MPG_MD_MONO );
+ twolame_set_num_channels( p_sys->p_twolame, 1 );
+ twolame_set_mode( p_sys->p_twolame, TWOLAME_MONO );
}
else
{
+ twolame_set_num_channels( p_sys->p_twolame, 2 );
var_Get( p_enc, ENC_CFG_PREFIX "mode", &val );
switch ( val.i_int )
{
case 1:
- toolame_setMode( p_sys->p_toolame, MPG_MD_DUAL_CHANNEL );
+ twolame_set_mode( p_sys->p_twolame, TWOLAME_DUAL_CHANNEL );
break;
case 2:
- toolame_setMode( p_sys->p_toolame, MPG_MD_JOINT_STEREO );
+ twolame_set_mode( p_sys->p_twolame, TWOLAME_JOINT_STEREO );
break;
case 0:
default:
- toolame_setMode( p_sys->p_toolame, MPG_MD_STEREO );
+ twolame_set_mode( p_sys->p_twolame, TWOLAME_STEREO );
break;
}
}
- if ( toolame_init_params( p_sys->p_toolame ) )
+ var_Get( p_enc, ENC_CFG_PREFIX "psy", &val );
+ twolame_set_psymodel( p_sys->p_twolame, val.i_int );
+
+ if ( twolame_init_params( p_sys->p_twolame ) )
{
- msg_Err( p_enc, "toolame initialization failed" );
+ msg_Err( p_enc, "twolame initialization failed" );
return -VLC_EGENERIC;
}
p_sys->i_nb_samples = 0;
- aout_DateInit( &p_sys->pts, p_enc->fmt_out.audio.i_rate );
return VLC_SUCCESS;
}
****************************************************************************
* This function spits out MPEG packets.
****************************************************************************/
-static void Uninterleave( encoder_t *p_enc, int16_t *p_in, int i_nb_samples )
+static void Bufferize( encoder_t *p_enc, int16_t *p_in, int i_nb_samples )
{
- int16_t *p_left = p_enc->p_sys->p_left + p_enc->p_sys->i_nb_samples;
- int16_t *p_right = p_enc->p_sys->p_right + p_enc->p_sys->i_nb_samples;
+ int16_t *p_buffer = p_enc->p_sys->p_buffer
+ + (p_enc->p_sys->i_nb_samples
+ * p_enc->fmt_in.audio.i_channels);
- while ( i_nb_samples > 0 )
- {
- *p_left++ = *p_in++;
- *p_right++ = *p_in++;
- i_nb_samples--;
- }
+ memcpy( p_buffer, p_in, i_nb_samples * p_enc->fmt_in.audio.i_channels
+ * sizeof(int16_t) );
}
static block_t *Encode( encoder_t *p_enc, aout_buffer_t *p_aout_buf )
int16_t *p_buffer = (int16_t *)p_aout_buf->p_buffer;
int i_nb_samples = p_aout_buf->i_nb_samples;
block_t *p_chain = NULL;
- mtime_t i_computed_pts = p_aout_buf->start_date -
- (mtime_t)1000000 * (mtime_t)p_sys->i_nb_samples /
- (mtime_t)p_enc->fmt_in.audio.i_rate;
- if ( aout_DateGet( &p_sys->pts ) - i_computed_pts > 10000 ||
- aout_DateGet( &p_sys->pts ) - i_computed_pts < -10000 )
- {
- msg_Dbg( p_enc, "resetting audio date" );
- aout_DateSet( &p_sys->pts, i_computed_pts );
- }
+ p_sys->i_pts = p_aout_buf->start_date -
+ (mtime_t)1000000 * (mtime_t)p_sys->i_nb_samples /
+ (mtime_t)p_enc->fmt_out.audio.i_rate;
while ( p_sys->i_nb_samples + i_nb_samples >= MPEG_FRAME_SIZE )
{
int i_used;
block_t *p_block;
- Uninterleave( p_enc, p_buffer, MPEG_FRAME_SIZE - p_sys->i_nb_samples );
+ Bufferize( p_enc, p_buffer, MPEG_FRAME_SIZE - p_sys->i_nb_samples );
i_nb_samples -= MPEG_FRAME_SIZE - p_sys->i_nb_samples;
p_buffer += (MPEG_FRAME_SIZE - p_sys->i_nb_samples) * 2;
- toolame_encode_buffer( p_sys->p_toolame, p_sys->p_left,
- p_sys->p_right, MPEG_FRAME_SIZE,
- p_sys->p_out_buffer, MAX_CODED_FRAME_SIZE,
- &i_used );
+ i_used = twolame_encode_buffer_interleaved( p_sys->p_twolame,
+ p_sys->p_buffer, MPEG_FRAME_SIZE,
+ p_sys->p_out_buffer, MAX_CODED_FRAME_SIZE );
p_sys->i_nb_samples = 0;
p_block = block_New( p_enc, i_used );
p_enc->p_vlc->pf_memcpy( p_block->p_buffer, p_sys->p_out_buffer,
i_used );
p_block->i_length = (mtime_t)1000000 *
- (mtime_t)MPEG_FRAME_SIZE / (mtime_t)p_enc->fmt_in.audio.i_rate;
- p_block->i_dts = p_block->i_pts = aout_DateGet( &p_sys->pts );
- aout_DateIncrement( &p_sys->pts, MPEG_FRAME_SIZE );
+ (mtime_t)MPEG_FRAME_SIZE / (mtime_t)p_enc->fmt_out.audio.i_rate;
+ p_block->i_dts = p_block->i_pts = p_sys->i_pts;
+ p_sys->i_pts += p_block->i_length;
block_ChainAppend( &p_chain, p_block );
}
if ( i_nb_samples )
{
- Uninterleave( p_enc, p_buffer, i_nb_samples );
+ Bufferize( p_enc, p_buffer, i_nb_samples );
p_sys->i_nb_samples += i_nb_samples;
}
}
/*****************************************************************************
- * CloseEncoder: toolame encoder destruction
+ * CloseEncoder: twolame encoder destruction
*****************************************************************************/
static void CloseEncoder( vlc_object_t *p_this )
{
encoder_t *p_enc = (encoder_t *)p_this;
encoder_sys_t *p_sys = p_enc->p_sys;
- toolame_deinit( p_sys->p_toolame );
+ twolame_close( &p_sys->p_twolame );
free( p_sys );
}
projects / vlc / blobdiff