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Adapted mad codec plugin to new aout3. Not tested yet.`

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Plugin is not being build by new built structure, this needs to be fixed first.
This commit is contained in:
Jean-Paul Saman 2002-08-10 13:40:46 +00:00
parent d1aefb4d68
commit 302020cce3
4 changed files with 226 additions and 115 deletions
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30
modules/codec/mad/decoder.c
View File

@ -142,11 +142,17 @@ static int InitThread( mad_adec_thread_t * p_mad_adec )
decoder_fifo_t * p_fifo = p_mad_adec->p_fifo;
char *psz_downscale = NULL;
/* Initialize the thread properties */
p_mad_adec->p_aout = NULL;
p_mad_adec->p_aout_input = NULL;
p_mad_adec->output_format.i_format = AOUT_FMT_FIXED32;
p_mad_adec->output_format.i_channels = 2; /* FIXME ! */
/*
* Properties of audio for libmad
*/
/* Look what scaling method was requested by the user */
/* Look what scaling method was requested by the user */
psz_downscale = config_GetPsz( p_fifo, "downscale" );
if ( strncmp(psz_downscale,"fast",4)==0 )
@ -165,7 +171,7 @@ static int InitThread( mad_adec_thread_t * p_mad_adec )
msg_Dbg( p_fifo, "downscale default fast selected" );
}
if (psz_downscale) free(psz_downscale);
if (psz_downscale) free(psz_downscale);
/* Initialize the libmad decoder structures */
p_mad_adec->libmad_decoder = (struct mad_decoder*) malloc(sizeof(struct mad_decoder));
@ -177,21 +183,15 @@ static int InitThread( mad_adec_thread_t * p_mad_adec )
p_mad_adec->i_current_pts = p_mad_adec->i_next_pts = 0;
mad_decoder_init( p_mad_adec->libmad_decoder,
p_mad_adec, /* vlc's thread structure and p_fifo playbuffer */
libmad_input, /* input_func */
p_mad_adec, /* vlc's thread structure and p_fifo playbuffer */
libmad_input, /* input_func */
0, /* header_func */
0, /* filter */
libmad_output, /* output_func */
0, /* error */
0); /* message */
libmad_output3, /* output_func */
0, /* error */
0); /* message */
mad_decoder_options(p_mad_adec->libmad_decoder, MAD_OPTION_IGNORECRC);
// mad_timer_reset(&p_mad_adec->libmad_timer);
/*
* Initialize the output properties
*/
p_mad_adec->p_aout_fifo = NULL;
/*
* Initialize the input properties
@ -221,7 +221,7 @@ static void EndThread (mad_adec_thread_t * p_mad_adec)
/* If the audio output fifo was created, we destroy it */
if (p_mad_adec->p_aout_fifo != NULL)
{
aout_DestroyFifo (p_mad_adec->p_aout_fifo);
aout_InputDelete( p_mad_adec->p_aout, p_mad_adec->p_aout_input );
/* Make sure the output thread leaves the NextFrame() function */
vlc_mutex_lock (&(p_mad_adec->p_aout_fifo->data_lock));

13
modules/codec/mad/decoder.h
View File

@ -50,8 +50,17 @@ typedef struct mad_adec_thread_s
/*
* Output properties
*/
aout_fifo_t * p_aout_fifo; /* stores the decompressed audio frames */
enum mad_scaling audio_scaling;
//old way aout_fifo_t * p_aout_fifo; /* stores the decompressed audio frames */
/*
* Output properties
*/
aout_instance_t * p_aout; /* opaque */
aout_input_t * p_aout_input; /* opaque */
audio_sample_format_t output_format;
mtime_t last_date;
enum mad_scaling audio_scaling;
} mad_adec_thread_t;

295
modules/codec/mad/libmad.c
View File

@ -271,116 +271,217 @@ static inline mad_fixed_t s24_to_s16_pcm(mad_fixed_t sample)
/*****************************************************************************
* libmad_ouput: this function is called just after the frame is decoded
*****************************************************************************/
enum mad_flow libmad_output(void *data, struct mad_header const *p_libmad_header, struct mad_pcm *p_libmad_pcm)
//enum mad_flow libmad_output(void *data, struct mad_header const *p_libmad_header, struct mad_pcm *p_libmad_pcm)
//{
// mad_adec_thread_t *p_mad_adec= (mad_adec_thread_t *) data;
// byte_t *buffer=NULL;
// mad_fixed_t const *left_ch = p_libmad_pcm->samples[0], *right_ch = p_libmad_pcm->samples[1];
// register int nsamples = p_libmad_pcm->length;
// mad_fixed_t sample;
// static struct audio_dither dither;
//
// /* Creating the audio output fifo.
// * Assume the samplerate and nr of channels from the first decoded frame is right for the entire audio track.
// */
// if (p_mad_adec->p_aout_fifo==NULL)
// {
// p_mad_adec->p_aout_fifo = aout_CreateFifo(
// p_mad_adec->p_fifo,
// AOUT_FIFO_PCM, /* fifo type */
// 2, /*p_libmad_pcm->channels,*/ /* nr. of channels */
// p_libmad_pcm->samplerate, /* frame rate in Hz ?*/
// p_libmad_pcm->length*2, /* length of output buffer *2 channels*/
// NULL ); /* buffer */
//
// if ( p_mad_adec->p_aout_fifo == NULL )
// {
// return MAD_FLOW_BREAK;
// }
//
// msg_Dbg( p_mad_adec->p_fifo, "aout fifo created");
// }
//
// if (p_mad_adec->p_aout_fifo->i_rate != p_libmad_pcm->samplerate)
// {
// msg_Warn( p_mad_adec->p_fifo, "samplerate is changing from [%d] Hz "
// "to [%d] Hz, sample size [%d], error_code [%0x]",
// p_mad_adec->p_aout_fifo->i_rate, p_libmad_pcm->samplerate,
// p_libmad_pcm->length,
// p_mad_adec->libmad_decoder->sync->stream.error );
// p_mad_adec->p_aout_fifo->i_rate = p_libmad_pcm->samplerate;
// }
//
// if( p_mad_adec->i_current_pts )
// {
// p_mad_adec->p_aout_fifo->date[p_mad_adec->p_aout_fifo->i_end_frame]
// = p_mad_adec->i_current_pts;
// }
// else
// {
// p_mad_adec->p_aout_fifo->date[p_mad_adec->p_aout_fifo->i_end_frame]
// = LAST_MDATE;
// }
//// mad_timer_add(&p_mad_adec->libmad_timer,p_libmad_header->duration);
//
// buffer = ((byte_t *)p_mad_adec->p_aout_fifo->buffer) + (p_mad_adec->p_aout_fifo->i_end_frame * (p_libmad_pcm->length*4));
//
// while (nsamples--)
// {
// switch (p_mad_adec->audio_scaling)
// {
// case MPG321_SCALING:
// sample = mpg321_s24_to_s16_pcm(16, *left_ch++, &dither);
// break;
// case FAST_SCALING: /* intended fall through */
// default:
// sample = s24_to_s16_pcm(*left_ch++);
// break;
// }
//
// /* left audio channel */
//#ifndef WORDS_BIGENDIAN
// *buffer++ = (byte_t) (sample >> 0);
// *buffer++ = (byte_t) (sample >> 8);
//#else
// *buffer++ = (byte_t) (sample >> 8);
// *buffer++ = (byte_t) (sample >> 0);
//#endif
// if (p_libmad_pcm->channels == 2)
// {
// /* right audio channel */
// switch (p_mad_adec->audio_scaling)
// {
// case MPG321_SCALING:
// sample = mpg321_s24_to_s16_pcm(16, *right_ch++, &dither);
// break;
// case FAST_SCALING: /* intended fall through */
// default:
// sample = s24_to_s16_pcm(*right_ch++);
// break;
// }
// }
// /* else reuse left_ch */
//#ifndef WORDS_BIGENDIAN
// *buffer++ = (byte_t) (sample >> 0);
// *buffer++ = (byte_t) (sample >> 8);
//#else
// *buffer++ = (byte_t) (sample >> 8);
// *buffer++ = (byte_t) (sample >> 0);
//#endif
// }
//
// /* DEBUG */
// /*
// if (p_libmad_pcm->channels == 1) {
// msg_Dbg( p_mad_adec->p_fifo, "libmad_output channels [%d]", p_libmad_pcm->channels);
// }
// */
//
// vlc_mutex_lock (&p_mad_adec->p_aout_fifo->data_lock);
// p_mad_adec->p_aout_fifo->i_end_frame = (p_mad_adec->p_aout_fifo->i_end_frame + 1) & AOUT_FIFO_SIZE;
// vlc_cond_signal (&p_mad_adec->p_aout_fifo->data_wait);
// vlc_mutex_unlock (&p_mad_adec->p_aout_fifo->data_lock);
//
// return MAD_FLOW_CONTINUE;
//}
/*****************************************************************************
* libmad_ouput3: this function is called just after the frame is decoded
*****************************************************************************/
enum mad_flow libmad_output3(void *data, struct mad_header const *p_libmad_header, struct mad_pcm *p_libmad_pcm)
{
mad_adec_thread_t *p_mad_adec= (mad_adec_thread_t *) data;
byte_t *buffer=NULL;
aout_buffer_t * p_buffer;
mad_fixed_t const *left_ch = p_libmad_pcm->samples[0], *right_ch = p_libmad_pcm->samples[1];
register int nsamples = p_libmad_pcm->length;
mad_fixed_t sample;
static struct audio_dither dither;
/* Creating the audio output fifo.
* Assume the samplerate and nr of channels from the first decoded frame is right for the entire audio track.
* Assume the samplerate and nr of channels from the first decoded frame
* is right for the entire audio track.
*/
if (p_mad_adec->p_aout_fifo==NULL)
if( (p_mad_adec->p_aout_input != NULL) &&
( (p_mad_adec->output_format.i_rate != p_libmad_pcm->samplerate)
{
p_mad_adec->p_aout_fifo = aout_CreateFifo(
p_mad_adec->p_fifo,
AOUT_FIFO_PCM, /* fifo type */
2, /*p_libmad_pcm->channels,*/ /* nr. of channels */
p_libmad_pcm->samplerate, /* frame rate in Hz ?*/
p_libmad_pcm->length*2, /* length of output buffer *2 channels*/
NULL ); /* buffer */
if ( p_mad_adec->p_aout_fifo == NULL )
{
return MAD_FLOW_BREAK;
}
msg_Dbg( p_mad_adec->p_fifo, "aout fifo created");
/* Parameters changed - this should not happen. */
aout_InputDelete( p_mad_adec->p_aout, p_mad_adec->p_aout_input );
p_mad_adec->p_aout_input = NULL;
}
if (p_mad_adec->p_aout_fifo->i_rate != p_libmad_pcm->samplerate)
/* Creating the audio input if not created yet. */
if( p_mad_adec->p_aout_input == NULL )
{
msg_Warn( p_mad_adec->p_fifo, "samplerate is changing from [%d] Hz "
p_mad_adec->output_format.i_rate = p_libmad_pcm->samplerate;
/* p_mad_adec->output_format.i_channels = p_libmad_pcm->channels; */
p_mad_adec->p_aout_input = aout_InputNew( p_mad_adec->p_fifo,
&p_mad_adec->p_aout,
&p_mad_adec->output_format );
if ( p_mad_adec->p_aout_input == NULL )
{
p_mad_adec->p_fifo->b_error = 1;
return MAD_FLOW_BREAK;
}
msg_Dbg( p_mad_adec->p_fifo, "aout3 buffer created");
}
if (p_mad_adec->output_format->i_rate != p_libmad_pcm->samplerate)
{
msg_Warn( p_mad_adec->p_fifo, "samplerate is changing from [%d] Hz "
"to [%d] Hz, sample size [%d], error_code [%0x]",
p_mad_adec->p_aout_fifo->i_rate, p_libmad_pcm->samplerate,
p_libmad_pcm->length,
p_mad_adec->libmad_decoder->sync->stream.error );
p_mad_adec->p_aout_fifo->i_rate = p_libmad_pcm->samplerate;
p_mad_adec->output_format.i_rate = p_libmad_pcm->samplerate;
}
if( p_mad_adec->i_current_pts )
/* Set the Presentation Time Stamp */
p_buffer = aout_BufferNew( p_mad_adec->p_aout, p_mad_adec->p_aout_input,
(p_libmad_pcm->length*4) );
if ( p_buffer == NULL )
{
p_mad_adec->p_aout_fifo->date[p_mad_adec->p_aout_fifo->i_end_frame]
= p_mad_adec->i_current_pts;
return MAD_FLOW_BREAK;
}
/* Add accurate PTS to buffer. */
if ( p_mad_adec->i_current_pts )
{
p_buffer->start_date = p_mad_adec->i_current_pts;
}
else
{
p_mad_adec->p_aout_fifo->date[p_mad_adec->p_aout_fifo->i_end_frame]
= LAST_MDATE;
p_buffer->start_date = LAST_MDATE;
}
// mad_timer_add(&p_mad_adec->libmad_timer,p_libmad_header->duration);
buffer = ((byte_t *)p_mad_adec->p_aout_fifo->buffer) + (p_mad_adec->p_aout_fifo->i_end_frame * (p_libmad_pcm->length*4));
p_mad_adec->last_date += (mtime_t)(p_libmad_pcm->length*4)
/ p_mad_adec->output_format.i_rate;
p_buffer->end_date = p_mad_adec->last_date;
/* Interleave and keep buffers in mad_fixed_t format */
while (nsamples--)
{
switch (p_mad_adec->audio_scaling)
{
case MPG321_SCALING:
sample = mpg321_s24_to_s16_pcm(16, *left_ch++, &dither);
break;
case FAST_SCALING: /* intended fall through */
default:
sample = s24_to_s16_pcm(*left_ch++);
break;
}
/* left audio channel */
sample = *left_ch++;
#ifndef WORDS_BIGENDIAN
*buffer++ = (byte_t) (sample >> 0);
*buffer++ = (byte_t) (sample >> 8);
p_buffer->p_buffer++ = (mad_fixed_t) (sample >> 0);
p_buffer->p_buffer++ = (mad_fixed_t) (sample >> 8);
#else
*buffer++ = (byte_t) (sample >> 8);
*buffer++ = (byte_t) (sample >> 0);
p_buffer->p_buffer++ = (mad_fixed_t) (sample >> 8);
p_buffer->p_buffer++ = (mad_fixed_t) (sample >> 0);
#endif
if (p_libmad_pcm->channels == 2)
/* right audio channel */
if (p_libmad_pcm->channels == 2)
{
/* right audio channel */
switch (p_mad_adec->audio_scaling)
{
case MPG321_SCALING:
sample = mpg321_s24_to_s16_pcm(16, *right_ch++, &dither);
break;
case FAST_SCALING: /* intended fall through */
default:
sample = s24_to_s16_pcm(*right_ch++);
break;
}
}
/* else reuse left_ch */
sample = *right_ch++;
} /* else reuse left audio channel */
#ifndef WORDS_BIGENDIAN
*buffer++ = (byte_t) (sample >> 0);
*buffer++ = (byte_t) (sample >> 8);
p_buffer->p_buffer++ = (mad_fixed_t) (sample >> 0);
p_buffer->p_buffer++ = (mad_fixed_t) (sample >> 8);
#else
*buffer++ = (byte_t) (sample >> 8);
*buffer++ = (byte_t) (sample >> 0);
#endif
p_buffer->p_buffer++ = (mad_fixed_t) (sample >> 8);
p_buffer->p_buffer++ = (mad_fixed_t) (sample >> 0);
#endif
}
/* DEBUG */
/*
if (p_libmad_pcm->channels == 1) {
msg_Dbg( p_mad_adec->p_fifo, "libmad_output channels [%d]", p_libmad_pcm->channels);
}
*/
vlc_mutex_lock (&p_mad_adec->p_aout_fifo->data_lock);
p_mad_adec->p_aout_fifo->i_end_frame = (p_mad_adec->p_aout_fifo->i_end_frame + 1) & AOUT_FIFO_SIZE;
vlc_cond_signal (&p_mad_adec->p_aout_fifo->data_wait);
vlc_mutex_unlock (&p_mad_adec->p_aout_fifo->data_lock);
aout_BufferPlay( p_mad_adec->p_aout, p_mad_adec->p_aout_input, p_buffer );
return MAD_FLOW_CONTINUE;
}
@ -395,88 +496,88 @@ enum mad_flow libmad_error(void *data, struct mad_stream *p_libmad_stream, struc
switch (p_libmad_stream->error)
{
case MAD_ERROR_BUFLEN: /* input buffer too small (or EOF) */
//X intf_ErrMsg("libmad error: input buffer too small (or EOF)");
//X msg_Err("libmad error: input buffer too small (or EOF)");
result = MAD_FLOW_CONTINUE;
break;
case MAD_ERROR_BUFPTR: /* invalid (null) buffer pointer */
//X intf_ErrMsg("libmad error: invalid (null) buffer pointer");
//X msg_Err("libmad error: invalid (null) buffer pointer");
result = MAD_FLOW_STOP;
break;
case MAD_ERROR_NOMEM: /* not enough memory */
//X intf_ErrMsg("libmad error: invalid (null) buffer pointer");
//X msg_Err("libmad error: invalid (null) buffer pointer");
result = MAD_FLOW_STOP;
break;
case MAD_ERROR_LOSTSYNC: /* lost synchronization */
//X intf_ErrMsg("libmad error: lost synchronization");
//X msg_Err("libmad error: lost synchronization");
mad_stream_sync(p_libmad_stream);
result = MAD_FLOW_CONTINUE;
break;
case MAD_ERROR_BADLAYER: /* reserved header layer value */
//X intf_ErrMsg("libmad error: reserved header layer value");
//X msg_Err("libmad error: reserved header layer value");
result = MAD_FLOW_CONTINUE;
break;
case MAD_ERROR_BADBITRATE: /* forbidden bitrate value */
//X intf_ErrMsg("libmad error: forbidden bitrate value");
//X msg_Err("libmad error: forbidden bitrate value");
result = MAD_FLOW_CONTINUE;
break;
case MAD_ERROR_BADSAMPLERATE: /* reserved sample frequency value */
//X intf_ErrMsg("libmad error: reserved sample frequency value");
//X msg_Err("libmad error: reserved sample frequency value");
result = MAD_FLOW_CONTINUE;
break;
case MAD_ERROR_BADEMPHASIS: /* reserved emphasis value */
//X intf_ErrMsg("libmad error: reserverd emphasis value");
//X msg_Err("libmad error: reserverd emphasis value");
result = MAD_FLOW_CONTINUE;
break;
case MAD_ERROR_BADCRC: /* CRC check failed */
//X intf_ErrMsg("libmad error: CRC check failed");
//X msg_Err("libmad error: CRC check failed");
result = MAD_FLOW_CONTINUE;
break;
case MAD_ERROR_BADBITALLOC: /* forbidden bit allocation value */
//X intf_ErrMsg("libmad error: forbidden bit allocation value");
//X msg_Err("libmad error: forbidden bit allocation value");
result = MAD_FLOW_IGNORE;
break;
case MAD_ERROR_BADSCALEFACTOR:/* bad scalefactor index */
//X intf_ErrMsg("libmad error: bad scalefactor index");
//X msg_Err("libmad error: bad scalefactor index");
result = MAD_FLOW_CONTINUE;
break;
case MAD_ERROR_BADFRAMELEN: /* bad frame length */
//X intf_ErrMsg("libmad error: bad frame length");
//X msg_Err("libmad error: bad frame length");
result = MAD_FLOW_CONTINUE;
break;
case MAD_ERROR_BADBIGVALUES: /* bad big_values count */
//X intf_ErrMsg("libmad error: bad big values count");
//X msg_Err("libmad error: bad big values count");
result = MAD_FLOW_IGNORE;
break;
case MAD_ERROR_BADBLOCKTYPE: /* reserved block_type */
//X intf_ErrMsg("libmad error: reserverd block_type");
//X msg_Err("libmad error: reserverd block_type");
result = MAD_FLOW_IGNORE;
break;
case MAD_ERROR_BADSCFSI: /* bad scalefactor selection info */
//X intf_ErrMsg("libmad error: bad scalefactor selection info");
//X msg_Err("libmad error: bad scalefactor selection info");
result = MAD_FLOW_CONTINUE;
break;
case MAD_ERROR_BADDATAPTR: /* bad main_data_begin pointer */
//X intf_ErrMsg("libmad error: bad main_data_begin pointer");
//X msg_Err("libmad error: bad main_data_begin pointer");
result = MAD_FLOW_STOP;
break;
case MAD_ERROR_BADPART3LEN: /* bad audio data length */
//X intf_ErrMsg("libmad error: bad audio data length");
//X msg_Err("libmad error: bad audio data length");
result = MAD_FLOW_IGNORE;
break;
case MAD_ERROR_BADHUFFTABLE: /* bad Huffman table select */
//X intf_ErrMsg("libmad error: bad Huffman table select");
//X msg_Err("libmad error: bad Huffman table select");
result = MAD_FLOW_IGNORE;
break;
case MAD_ERROR_BADHUFFDATA: /* Huffman data overrun */
//X intf_ErrMsg("libmad error: Huffman data overrun");
//X msg_Err("libmad error: Huffman data overrun");
result = MAD_FLOW_IGNORE;
break;
case MAD_ERROR_BADSTEREO: /* incompatible block_type for JS */
//X intf_ErrMsg("libmad error: incompatible block_type for JS");
//X msg_Err("libmad error: incompatible block_type for JS");
result = MAD_FLOW_IGNORE;
break;
default:
//X intf_ErrMsg("libmad error: unknown error occured stopping decoder");
//X msg_Err("libmad error: unknown error occured stopping decoder");
result = MAD_FLOW_STOP;
break;
}
@ -559,7 +660,7 @@ static void PrintFrameInfo(struct mad_header *Header)
break;
}
//X intf_ErrMsg("statistics: %lu kb/s audio mpeg layer %s stream %s crc, "
//X msg_Err("statistics: %lu kb/s audio mpeg layer %s stream %s crc, "
//X "%s with %s emphasis at %d Hz sample rate\n",
//X Header->bitrate,Layer,
//X Header->flags&MAD_FLAG_PROTECTION?"with":"without",

3
modules/codec/mad/libmad.h
View File

@ -40,7 +40,8 @@ enum mad_flow libmad_header(void *data, struct mad_header const *p_libmad_header
// enum mad_flow libmad_filter(void *data, struct mad_stream const *p_libmad_stream, struct mad_frame *p_libmad_frame);
/* enum mad_flow (*output_func)(void *, struct mad_header const *, struct mad_pcm *); */
enum mad_flow libmad_output(void *data, struct mad_header const *p_libmad_header, struct mad_pcm *p_libmad_pcm);
//enum mad_flow libmad_output(void *data, struct mad_header const *p_libmad_header, struct mad_pcm *p_libmad_pcm);
enum mad_flow libmad_output3(void *data, struct mad_header const *p_libmad_header, struct mad_pcm *p_libmad_pcm);
/* enum mad_flow (*error_func)(void *, struct mad_stream *, struct mad_frame *); */
enum mad_flow libmad_error(void *data, struct mad_stream *p_libmad_stream, struct mad_frame *p_libmad_frame);