/*****************************************************************************
* Close: close our file
*****************************************************************************/
static void Close( vlc_object_t * p_this )
{
aout_instance_t * p_aout = (aout_instance_t *)p_this;
msg_Dbg( p_aout, "closing audio file" );
if( p_aout->output.p_sys->b_add_wav_header )
{
/* Update Wave Header */
p_aout->output.p_sys->waveh.Length =
p_aout->output.p_sys->waveh.DataLength + sizeof(WAVEHEADER) - 4;
/* Write Wave Header */
if( fseek( p_aout->output.p_sys->p_file, 0, SEEK_SET ) )
{
msg_Err( p_aout, "seek error (%m)" );
}
/* Header -> little endian format */
SetDWLE( &p_aout->output.p_sys->waveh.Length,
p_aout->output.p_sys->waveh.Length );
SetDWLE( &p_aout->output.p_sys->waveh.DataLength,
p_aout->output.p_sys->waveh.DataLength );
if( fwrite( &p_aout->output.p_sys->waveh, sizeof(WAVEHEADER), 1,
p_aout->output.p_sys->p_file ) != 1 )
{
msg_Err( p_aout, "write error (%m)" );
}
}
if( p_aout->output.p_sys->p_file != stdout )
fclose( p_aout->output.p_sys->p_file );
free( p_aout->output.p_sys );
}
static char *comment_init(size_t *length)
{
/*The 'vendor' field should be the actual encoding library used.*/
const char *vendor_string = opus_get_version_string();
int vendor_length = strlen(vendor_string);
int user_comment_list_length = 0;
int len = 8 + 4 + vendor_length + 4;
char *p = malloc(len);
if (p == NULL)
return NULL;
memcpy(p, "OpusTags", 8);
SetDWLE(p + 8, vendor_length);
memcpy(p + 12, vendor_string, vendor_length);
SetDWLE(p + 12 + vendor_length, user_comment_list_length);
*length = len;
return p;
}
static int comment_add(char **comments, size_t *length, const char *tag,
const char *val)
{
char *p = *comments;
int vendor_length = GetDWLE(p + 8);
size_t user_comment_list_length = GetDWLE(p + 8 + 4 + vendor_length);
size_t tag_len = (tag ? strlen(tag) : 0);
size_t val_len = strlen(val);
size_t len = (*length) + 4 + tag_len + val_len;
p = realloc(p, len);
if (p == NULL)
return 1;
SetDWLE(p + *length, tag_len + val_len); /* length of comment */
if (tag) memcpy(p + *length + 4, tag, tag_len); /* comment */
memcpy(p + *length + 4 + tag_len, val, val_len); /* comment */
SetDWLE(p + 8 + 4 + vendor_length, user_comment_list_length + 1);
*comments = p;
*length = len;
return 0;
}
/*****************************************************************************
* Open: open cdda
*****************************************************************************/
static int Open( vlc_object_t *p_this )
{
access_t *p_access = (access_t*)p_this;
access_sys_t *p_sys;
vcddev_t *vcddev;
char *psz_name;
if( !p_access->psz_filepath || !*p_access->psz_filepath )
{
/* Only when selected */
if( !p_access->psz_access || !*p_access->psz_access )
return VLC_EGENERIC;
psz_name = var_InheritString( p_this, "cd-audio" );
if( !psz_name )
return VLC_EGENERIC;
}
else psz_name = ToLocaleDup( p_access->psz_filepath );
#if defined( _WIN32 ) || defined( __OS2__ )
if( psz_name[0] && psz_name[1] == ':' &&
psz_name[2] == '\\' && psz_name[3] == '\0' ) psz_name[2] = '\0';
#endif
/* Open CDDA */
if( (vcddev = ioctl_Open( VLC_OBJECT(p_access), psz_name ) ) == NULL )
{
msg_Warn( p_access, "could not open %s", psz_name );
free( psz_name );
return VLC_EGENERIC;
}
free( psz_name );
/* Set up p_access */
STANDARD_BLOCK_ACCESS_INIT
p_sys->vcddev = vcddev;
/* Do we play a single track ? */
p_sys->i_track = var_InheritInteger( p_access, "cdda-track" ) - 1;
if( p_sys->i_track < 0 )
{
/* We only do separate items if the whole disc is requested */
input_thread_t *p_input = access_GetParentInput( p_access );
int i_ret = -1;
if( p_input )
{
input_item_t *p_current = input_GetItem( p_input );
if( p_current )
i_ret = GetTracks( p_access, p_current );
vlc_object_release( p_input );
}
if( i_ret < 0 )
goto error;
}
else
{
/* Build a WAV header for the output data */
memset( &p_sys->waveheader, 0, sizeof(WAVEHEADER) );
SetWLE( &p_sys->waveheader.Format, 1 ); /*WAVE_FORMAT_PCM*/
SetWLE( &p_sys->waveheader.BitsPerSample, 16);
p_sys->waveheader.MainChunkID = VLC_FOURCC('R', 'I', 'F', 'F');
p_sys->waveheader.Length = 0; /* we just don't know */
p_sys->waveheader.ChunkTypeID = VLC_FOURCC('W', 'A', 'V', 'E');
p_sys->waveheader.SubChunkID = VLC_FOURCC('f', 'm', 't', ' ');
SetDWLE( &p_sys->waveheader.SubChunkLength, 16);
SetWLE( &p_sys->waveheader.Modus, 2);
SetDWLE( &p_sys->waveheader.SampleFreq, 44100);
SetWLE( &p_sys->waveheader.BytesPerSample,
2 /*Modus*/ * 16 /*BitsPerSample*/ / 8 );
SetDWLE( &p_sys->waveheader.BytesPerSec,
2*16/8 /*BytesPerSample*/ * 44100 /*SampleFreq*/ );
p_sys->waveheader.DataChunkID = VLC_FOURCC('d', 'a', 't', 'a');
p_sys->waveheader.DataLength = 0; /* we just don't know */
p_sys->i_first_sector = var_InheritInteger( p_access,
"cdda-first-sector" );
p_sys->i_last_sector = var_InheritInteger( p_access,
"cdda-last-sector" );
/* Tracknumber in MRL */
if( p_sys->i_first_sector < 0 || p_sys->i_last_sector < 0 )
{
const int i_titles = ioctl_GetTracksMap( VLC_OBJECT(p_access),
p_sys->vcddev, &p_sys->p_sectors );
if( p_sys->i_track >= i_titles )
{
msg_Err( p_access, "invalid track number" );
goto error;
}
p_sys->i_first_sector = p_sys->p_sectors[p_sys->i_track];
p_sys->i_last_sector = p_sys->p_sectors[p_sys->i_track+1];
}
p_sys->i_sector = p_sys->i_first_sector;
p_access->info.i_size = (p_sys->i_last_sector - p_sys->i_first_sector)
* (int64_t)CDDA_DATA_SIZE;
}
return VLC_SUCCESS;
error:
free( p_sys->p_sectors );
ioctl_Close( VLC_OBJECT(p_access), p_sys->vcddev );
free( p_sys );
return VLC_EGENERIC;
}
/*****************************************************************************
* Open: open a dummy audio device
*****************************************************************************/
static int Open( vlc_object_t * p_this )
{
aout_instance_t * p_aout = (aout_instance_t *)p_this;
char * psz_name, * psz_format;
const char * const * ppsz_compare = format_list;
int i_channels, i = 0;
psz_name = var_CreateGetString( p_this, "audiofile-file" );
if( !psz_name || !*psz_name )
{
msg_Err( p_aout, "you need to specify an output file name" );
free( psz_name );
return VLC_EGENERIC;
}
/* Allocate structure */
p_aout->output.p_sys = malloc( sizeof( aout_sys_t ) );
if( p_aout->output.p_sys == NULL )
return VLC_ENOMEM;
if( !strcmp( psz_name, "-" ) )
p_aout->output.p_sys->p_file = stdout;
else
p_aout->output.p_sys->p_file = utf8_fopen( psz_name, "wb" );
free( psz_name );
if ( p_aout->output.p_sys->p_file == NULL )
{
free( p_aout->output.p_sys );
return VLC_EGENERIC;
}
p_aout->output.pf_play = Play;
/* Audio format */
psz_format = var_CreateGetString( p_this, "audiofile-format" );
while ( *ppsz_compare != NULL )
{
if ( !strncmp( *ppsz_compare, psz_format, strlen(*ppsz_compare) ) )
{
break;
}
ppsz_compare++; i++;
}
if ( *ppsz_compare == NULL )
{
msg_Err( p_aout, "cannot understand the format string (%s)",
psz_format );
if( p_aout->output.p_sys->p_file != stdout )
fclose( p_aout->output.p_sys->p_file );
free( p_aout->output.p_sys );
free( psz_format );
return VLC_EGENERIC;
}
free( psz_format );
p_aout->output.output.i_format = format_int[i];
if ( AOUT_FMT_NON_LINEAR( &p_aout->output.output ) )
{
p_aout->output.i_nb_samples = A52_FRAME_NB;
p_aout->output.output.i_bytes_per_frame = AOUT_SPDIF_SIZE;
p_aout->output.output.i_frame_length = A52_FRAME_NB;
aout_VolumeNoneInit( p_aout );
}
else
{
p_aout->output.i_nb_samples = FRAME_SIZE;
aout_VolumeSoftInit( p_aout );
}
/* Channels number */
i_channels = var_CreateGetInteger( p_this, "audiofile-channels" );
if( i_channels > 0 && i_channels <= CHANNELS_MAX )
{
p_aout->output.output.i_physical_channels =
pi_channels_maps[i_channels];
}
/* WAV header */
p_aout->output.p_sys->b_add_wav_header = var_CreateGetBool( p_this,
"audiofile-wav" );
if( p_aout->output.p_sys->b_add_wav_header )
{
/* Write wave header */
WAVEHEADER *wh = &p_aout->output.p_sys->waveh;
memset( wh, 0, sizeof(wh) );
switch( p_aout->output.output.i_format )
{
case VLC_CODEC_FL32:
wh->Format = WAVE_FORMAT_IEEE_FLOAT;
wh->BitsPerSample = sizeof(float) * 8;
break;
case VLC_CODEC_U8:
wh->Format = WAVE_FORMAT_PCM;
wh->BitsPerSample = 8;
break;
case VLC_CODEC_S16L:
default:
wh->Format = WAVE_FORMAT_PCM;
wh->BitsPerSample = 16;
break;
}
wh->MainChunkID = VLC_FOURCC('R', 'I', 'F', 'F');
wh->Length = 0; /* temp, to be filled in as we go */
wh->ChunkTypeID = VLC_FOURCC('W', 'A', 'V', 'E');
wh->SubChunkID = VLC_FOURCC('f', 'm', 't', ' ');
wh->SubChunkLength = 16;
wh->Modus = aout_FormatNbChannels( &p_aout->output.output );
wh->SampleFreq = p_aout->output.output.i_rate;
wh->BytesPerSample = wh->Modus * ( wh->BitsPerSample / 8 );
wh->BytesPerSec = wh->BytesPerSample * wh->SampleFreq;
wh->DataChunkID = VLC_FOURCC('d', 'a', 't', 'a');
wh->DataLength = 0; /* temp, to be filled in as we go */
/* Header -> little endian format */
SetWLE( &wh->Format, wh->Format );
SetWLE( &wh->BitsPerSample, wh->BitsPerSample );
SetDWLE( &wh->SubChunkLength, wh->SubChunkLength );
SetWLE( &wh->Modus, wh->Modus );
SetDWLE( &wh->SampleFreq, wh->SampleFreq );
SetWLE( &wh->BytesPerSample, wh->BytesPerSample );
SetDWLE( &wh->BytesPerSec, wh->BytesPerSec );
if( fwrite( wh, sizeof(WAVEHEADER), 1,
p_aout->output.p_sys->p_file ) != 1 )
{
msg_Err( p_aout, "write error (%m)" );
}
}
return 0;
}
static inline void put_le32(uint8_t **p, uint32_t d)
{
SetDWLE(*p, d);
(*p) += 4;
}
