int mpae_init_toolame(audio_encoder_t *encoder)
{
int mode;
mpae_toolame_ctx *ctx = NULL;
if(encoder->params.channels == 1)
{
mp_msg(MSGT_MENCODER, MSGL_INFO, "ae_toolame, 1 audio channel, forcing mono mode\n");
mode = MPG_MD_MONO;
}
else if(encoder->params.channels == 2)
{
if(! strcasecmp(param_mode, "dual"))
mode = MPG_MD_DUAL_CHANNEL;
else if(! strcasecmp(param_mode, "jstereo"))
mode = MPG_MD_JOINT_STEREO;
else if(! strcasecmp(param_mode, "stereo"))
mode = MPG_MD_STEREO;
else
{
mp_msg(MSGT_MENCODER, MSGL_ERR, "ae_toolame, unknown mode %s, exiting\n", param_mode);
}
}
else
mp_msg(MSGT_MENCODER, MSGL_ERR, "ae_toolame, Toolame can't encode > 2 channels, exiting\n");
ctx = calloc(1, sizeof(mpae_toolame_ctx));
if(ctx == NULL)
{
mp_msg(MSGT_MENCODER, MSGL_ERR, "ae_toolame, couldn't alloc a %d bytes context, exiting\n", sizeof(mpae_toolame_ctx));
return 0;
}
ctx->toolame_ctx = toolame_init();
if(ctx->toolame_ctx == NULL)
{
mp_msg(MSGT_MENCODER, MSGL_ERR, "ae_toolame, couldn't initial parameters from libtoolame, exiting\n");
free(ctx);
return 0;
}
ctx->vbr = 0;
ctx->channels = encoder->params.channels;
ctx->srate = encoder->params.sample_rate;
if(toolame_setMode(ctx->toolame_ctx, mode) != 0)
return 0;
if(toolame_setPsymodel(ctx->toolame_ctx, param_psy) != 0)
return 0;
if(toolame_setSampleFreq(ctx->toolame_ctx, encoder->params.sample_rate) != 0)
return 0;
if(toolame_setBitrate(ctx->toolame_ctx, param_bitrate) != 0)
return 0;
if(param_errprot)
if(toolame_setErrorProtection(ctx->toolame_ctx, TRUE) != 0)
return 0;
if(param_vbr != 0)
{
if(toolame_setVBR(ctx->toolame_ctx, TRUE) != 0)
return 0;
if(toolame_setVBRLevel(ctx->toolame_ctx, param_vbr) != 0)
return 0;
if(toolame_setPadding(ctx->toolame_ctx, FALSE) != 0)
return 0;
if(param_maxvbr)
{
if(toolame_setVBRUpperBitrate(ctx->toolame_ctx, param_maxvbr) != 0)
return 0;
}
ctx->vbr = 1;
}
if(toolame_setVerbosity(ctx->toolame_ctx, param_debug) != 0)
return 0;
if(toolame_init_params(ctx->toolame_ctx) != 0)
return 0;
ctx->bitrate = param_bitrate;
encoder->params.bitrate = ctx->bitrate;
encoder->params.samples_per_frame = 1152;
encoder->priv = ctx;
encoder->decode_buffer_size = 1152 * 2 * encoder->params.channels;
encoder->bind = bind_toolame;
encoder->get_frame_size = get_frame_size;
encoder->encode = encode_toolame;
encoder->close = close_toolame;
return 1;
}
/*****************************************************************************
* OpenEncoder: probe the encoder and return score
*****************************************************************************/
static int OpenEncoder( vlc_object_t *p_this )
{
encoder_t *p_enc = (encoder_t *)p_this;
encoder_sys_t *p_sys;
vlc_value_t val;
if( p_enc->fmt_out.i_codec != VLC_FOURCC('m','p','g','a') &&
p_enc->fmt_out.i_codec != VLC_FOURCC('m','p','2','a') &&
p_enc->fmt_out.i_codec != VLC_FOURCC('m','p','2',' ') &&
!p_enc->b_force )
{
return VLC_EGENERIC;
}
if( p_enc->fmt_in.audio.i_channels > 2 )
{
msg_Err( p_enc, "doesn't support > 2 channels" );
return VLC_EGENERIC;
}
/* Allocate the memory needed to store the decoder's structure */
if( ( p_sys = (encoder_sys_t *)malloc(sizeof(encoder_sys_t)) ) == NULL )
{
msg_Err( p_enc, "out of memory" );
return VLC_EGENERIC;
}
p_enc->p_sys = p_sys;
p_enc->pf_encode_audio = Encode;
p_enc->fmt_in.i_codec = AOUT_FMT_S16_NE;
p_enc->fmt_out.i_codec = VLC_FOURCC('m','p','g','a');
sout_CfgParse( p_enc, ENC_CFG_PREFIX, ppsz_enc_options, p_enc->p_cfg );
p_sys->p_toolame = toolame_init();
/* Set options */
toolame_setSampleFreq( p_sys->p_toolame, p_enc->fmt_out.audio.i_rate );
var_Get( p_enc, ENC_CFG_PREFIX "vbr", &val );
if ( val.b_bool )
{
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 );
}
else
{
toolame_setBitrate( p_sys->p_toolame, 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 );
}
else
{
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 );
break;
case 2:
toolame_setMode( p_sys->p_toolame, MPG_MD_JOINT_STEREO );
break;
case 0:
default:
toolame_setMode( p_sys->p_toolame, MPG_MD_STEREO );
break;
}
}
if ( toolame_init_params( p_sys->p_toolame ) )
{
msg_Err( p_enc, "toolame 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;
}