/*****************************************************************************
* ProcessHeaders: process Opus headers.
*****************************************************************************/
static int ProcessHeaders( decoder_t *p_dec )
{
ogg_packet oggpacket;
unsigned pi_size[XIPH_MAX_HEADER_COUNT];
void *pp_data[XIPH_MAX_HEADER_COUNT];
unsigned i_count;
if( xiph_SplitHeaders( pi_size, pp_data, &i_count,
p_dec->fmt_in.i_extra, p_dec->fmt_in.p_extra) )
return VLC_EGENERIC;
if( i_count < 2 )
return VLC_EGENERIC;;
oggpacket.granulepos = -1;
oggpacket.e_o_s = 0;
oggpacket.packetno = 0;
/* Take care of the initial Opus header */
oggpacket.b_o_s = 1; /* yes this actually is a b_o_s packet :) */
oggpacket.bytes = pi_size[0];
oggpacket.packet = pp_data[0];
int ret = ProcessInitialHeader( p_dec, &oggpacket );
if (ret != VLC_SUCCESS)
msg_Err( p_dec, "initial Opus header is corrupted" );
return ret;
}
/*****************************************************************************
* ProcessHeaders: process Opus headers.
*****************************************************************************/
static int ProcessHeaders( decoder_t *p_dec )
{
ogg_packet oggpacket;
unsigned pi_size[XIPH_MAX_HEADER_COUNT];
void *pp_data[XIPH_MAX_HEADER_COUNT];
unsigned i_count;
int i_extra = p_dec->fmt_in.i_extra;
uint8_t *p_extra = p_dec->fmt_in.p_extra;
/* If we have no header (e.g. from RTP), make one. */
bool b_dummy_header = false;
if( !i_extra )
{
OpusHeader header;
opus_prepare_header( p_dec->fmt_in.audio.i_channels,
p_dec->fmt_in.audio.i_rate, &header );
if( opus_write_header( &p_extra, &i_extra, &header,
opus_get_version_string() ) )
return VLC_ENOMEM;
b_dummy_header = true;
}
if( xiph_SplitHeaders( pi_size, pp_data, &i_count,
i_extra, p_extra ) )
{
if( b_dummy_header )
free( p_extra );
return VLC_EGENERIC;
}
if( i_count < 2 )
{
if( b_dummy_header )
free( p_extra );
return VLC_EGENERIC;
}
oggpacket.granulepos = -1;
oggpacket.e_o_s = 0;
oggpacket.packetno = 0;
/* Take care of the initial Opus header */
oggpacket.b_o_s = 1; /* yes this actually is a b_o_s packet :) */
oggpacket.bytes = pi_size[0];
oggpacket.packet = pp_data[0];
int ret = ProcessInitialHeader( p_dec, &oggpacket );
if (ret != VLC_SUCCESS)
msg_Err( p_dec, "initial Opus header is corrupted" );
if( b_dummy_header )
free( p_extra );
return ret;
}
static int CreateDefaultHeader( decoder_t *p_dec )
{
ogg_packet oggpacket;
SpeexHeader *p_header = malloc( sizeof(SpeexHeader) );
if( !p_header )
return VLC_ENOMEM;
const int rate = p_dec->fmt_in.audio.i_rate;
const unsigned i_mode = (rate / 8000) >> 1;
const SpeexMode *mode;
int ret = VLC_SUCCESS;
oggpacket.packet = NULL;
switch( rate )
{
case 8000:
case 16000:
case 32000:
mode = speex_lib_get_mode( i_mode );
break;
default:
msg_Err( p_dec, "Unexpected rate %d", rate );
ret = VLC_EGENERIC;
goto cleanup;
}
speex_init_header( p_header, rate, p_dec->fmt_in.audio.i_channels, mode );
p_header->frames_per_packet = 160 << i_mode;
oggpacket.packet = (unsigned char *) speex_header_to_packet( p_header,
(int *) &oggpacket.bytes );
if( !oggpacket.packet )
{
ret = VLC_ENOMEM;
goto cleanup;
}
oggpacket.b_o_s = 1;
oggpacket.e_o_s = 0;
oggpacket.granulepos = -1;
oggpacket.packetno = 0;
ret = ProcessInitialHeader( p_dec, &oggpacket );
if( ret != VLC_SUCCESS )
{
msg_Err( p_dec, "default Speex header is corrupted" );
}
cleanup:
free( oggpacket.packet );
free( p_header );
return ret;
}
/*****************************************************************************
* ProcessHeaders: process Speex headers.
*****************************************************************************/
static int ProcessHeaders( decoder_t *p_dec )
{
decoder_sys_t *p_sys = p_dec->p_sys;
ogg_packet oggpacket;
unsigned pi_size[XIPH_MAX_HEADER_COUNT];
void *pp_data[XIPH_MAX_HEADER_COUNT];
unsigned i_count;
if( xiph_SplitHeaders( pi_size, pp_data, &i_count,
p_dec->fmt_in.i_extra, p_dec->fmt_in.p_extra) )
return VLC_EGENERIC;
if( i_count < 2 )
goto error;
oggpacket.granulepos = -1;
oggpacket.e_o_s = 0;
oggpacket.packetno = 0;
/* Take care of the initial Vorbis header */
oggpacket.b_o_s = 1; /* yes this actually is a b_o_s packet :) */
oggpacket.bytes = pi_size[0];
oggpacket.packet = (unsigned char *)pp_data[0]; // sunqueen modify
if( ProcessInitialHeader( p_dec, &oggpacket ) != VLC_SUCCESS )
{
msg_Err( p_dec, "initial Speex header is corrupted" );
goto error;
}
/* The next packet in order is the comments header */
oggpacket.b_o_s = 0;
oggpacket.bytes = pi_size[1];
oggpacket.packet = (unsigned char *)pp_data[1]; // sunqueen modify
ParseSpeexComments( p_dec, &oggpacket );
if( p_sys->b_packetizer )
{
p_dec->fmt_out.i_extra = p_dec->fmt_in.i_extra;
p_dec->fmt_out.p_extra = xrealloc( p_dec->fmt_out.p_extra,
p_dec->fmt_out.i_extra );
memcpy( p_dec->fmt_out.p_extra,
p_dec->fmt_in.p_extra, p_dec->fmt_out.i_extra );
}
for( unsigned i = 0; i < i_count; i++ )
free( pp_data[i] );
return VLC_SUCCESS;
error:
for( unsigned i = 0; i < i_count; i++ )
free( pp_data[i] );
return VLC_EGENERIC;
}
/*****************************************************************************
* ProcessHeaders: process Speex headers.
*****************************************************************************/
static int ProcessHeaders( decoder_t *p_dec )
{
decoder_sys_t *p_sys = p_dec->p_sys;
ogg_packet oggpacket;
unsigned pi_size[XIPH_MAX_HEADER_COUNT];
void *pp_data[XIPH_MAX_HEADER_COUNT];
unsigned i_count;
if( xiph_SplitHeaders( pi_size, pp_data, &i_count,
p_dec->fmt_in.i_extra, p_dec->fmt_in.p_extra) )
return VLC_EGENERIC;
if( i_count < 2 )
return VLC_EGENERIC;;
oggpacket.granulepos = -1;
oggpacket.e_o_s = 0;
oggpacket.packetno = 0;
/* Take care of the initial Vorbis header */
oggpacket.b_o_s = 1; /* yes this actually is a b_o_s packet :) */
oggpacket.bytes = pi_size[0];
oggpacket.packet = pp_data[0];
if( ProcessInitialHeader( p_dec, &oggpacket ) != VLC_SUCCESS )
{
msg_Err( p_dec, "initial Speex header is corrupted" );
return VLC_EGENERIC;;
}
/* The next packet in order is the comments header */
oggpacket.b_o_s = 0;
oggpacket.bytes = pi_size[1];
oggpacket.packet = pp_data[1];
ParseSpeexComments( p_dec, &oggpacket );
if( p_sys->b_packetizer )
{
void* p_extra = realloc( p_dec->fmt_out.p_extra,
p_dec->fmt_in.i_extra );
if( unlikely( p_extra == NULL ) )
{
return VLC_ENOMEM;
}
p_dec->fmt_out.p_extra = p_extra;
p_dec->fmt_out.i_extra = p_dec->fmt_in.i_extra;
memcpy( p_dec->fmt_out.p_extra,
p_dec->fmt_in.p_extra, p_dec->fmt_out.i_extra );
}
return VLC_SUCCESS;
}
