/*****************************************************************************
* speex.c: speex decoder/packetizer/encoder module making use of libspeex.
*****************************************************************************
- * Copyright (C) 2003 VideoLAN
+ * Copyright (C) 2003 the VideoLAN team
* $Id$
*
* Authors: Gildas Bazin <gbazin@videolan.org>
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
#include <vlc/vlc.h>
-#include <vlc/decoder.h>
+#include <vlc_input.h>
+#include <vlc_codec.h>
+#include <vlc_aout.h>
#include <ogg/ogg.h>
-#include <speex.h>
-#include "speex_header.h"
-#include "speex_stereo.h"
-#include "speex_callbacks.h"
+#include <speex/speex.h>
+#include <speex/speex_header.h>
+#include <speex/speex_stereo.h>
+#include <speex/speex_callbacks.h>
+
+#include <assert.h>
/*****************************************************************************
* decoder_sys_t : speex decoder descriptor
struct decoder_sys_t
{
/* Module mode */
- vlc_bool_t b_packetizer;
+ bool b_packetizer;
/*
* Input properties
SpeexHeader *p_header;
SpeexStereoState stereo;
void *p_state;
+ unsigned int rtp_rate;
/*
* Common properties
static void CloseDecoder ( vlc_object_t * );
static void *DecodeBlock ( decoder_t *, block_t ** );
-static int ProcessHeader ( decoder_t *, ogg_packet * );
+static aout_buffer_t *DecodeRtpSpeexPacket( decoder_t *, block_t **);
+static int ProcessHeaders( decoder_t * );
+static int ProcessInitialHeader ( decoder_t *, ogg_packet * );
static void *ProcessPacket( decoder_t *, ogg_packet *, block_t ** );
static aout_buffer_t *DecodePacket( decoder_t *, ogg_packet * );
-static block_t *SendPacket( decoder_t *, ogg_packet *, block_t * );
+static block_t *SendPacket( decoder_t *, block_t * );
static void ParseSpeexComments( decoder_t *, ogg_packet * );
static int OpenEncoder ( vlc_object_t * );
static void CloseEncoder ( vlc_object_t * );
-static block_t *Headers ( encoder_t * );
static block_t *Encode ( encoder_t *, aout_buffer_t * );
/*****************************************************************************
* Module descriptor
*****************************************************************************/
vlc_module_begin();
+ set_category( CAT_INPUT );
+ set_subcategory( SUBCAT_INPUT_ACODEC );
+
set_description( _("Speex audio decoder") );
set_capability( "decoder", 100 );
set_callbacks( OpenDecoder, CloseDecoder );
decoder_t *p_dec = (decoder_t*)p_this;
decoder_sys_t *p_sys = p_dec->p_sys;
- if( p_dec->fmt_in.i_codec != VLC_FOURCC('s','p','x',' ') )
+ if( p_dec->fmt_in.i_codec != VLC_FOURCC('s','p','x',' ')
+ && p_dec->fmt_in.i_codec != VLC_FOURCC('s', 'p', 'x', 'r') )
{
return VLC_EGENERIC;
}
msg_Err( p_dec, "out of memory" );
return VLC_EGENERIC;
}
- p_dec->p_sys->b_packetizer = VLC_FALSE;
+ p_dec->p_sys->bits.buf_size = 0;
+ p_dec->p_sys->b_packetizer = false;
+ p_dec->p_sys->rtp_rate = p_dec->fmt_in.audio.i_rate;
aout_DateSet( &p_sys->end_date, 0 );
p_dec->fmt_out.i_cat = AUDIO_ES;
p_dec->fmt_out.i_codec = AOUT_FMT_S16_NE;
- /* Set callbacks */
- p_dec->pf_decode_audio = (aout_buffer_t *(*)(decoder_t *, block_t **))
- DecodeBlock;
+ /*
+ Set callbacks
+ If the codec is spxr then this decoder is
+ being invoked on a Speex stream arriving via RTP.
+ A special decoder callback is used.
+ */
+ if (p_dec->fmt_in.i_codec == VLC_FOURCC('s', 'p', 'x', 'r'))
+ {
+ msg_Dbg( p_dec, "Using RTP version of Speex decoder @ rate %d.",
+ p_dec->fmt_in.audio.i_rate );
+ p_dec->pf_decode_audio = (aout_buffer_t *(*)(decoder_t *, block_t **))
+ DecodeRtpSpeexPacket;
+ }
+ else
+ {
+ p_dec->pf_decode_audio = (aout_buffer_t *(*)(decoder_t *, block_t **))
+ DecodeBlock;
+ }
p_dec->pf_packetize = (block_t *(*)(decoder_t *, block_t **))
DecodeBlock;
if( i_ret == VLC_SUCCESS )
{
- p_dec->p_sys->b_packetizer = VLC_TRUE;
+ p_dec->p_sys->b_packetizer = true;
p_dec->fmt_out.i_codec = VLC_FOURCC('s','p','x',' ');
}
oggpacket.e_o_s = 0;
oggpacket.packetno = 0;
- if( p_sys->i_headers == 0 )
+ /* Check for headers */
+ if( p_sys->i_headers == 0 && p_dec->fmt_in.i_extra )
+ {
+ p_sys->i_headers = 2;
+ }
+ else if( oggpacket.bytes && p_sys->i_headers < 2 )
+ {
+ uint8_t *p_extra;
+
+ p_dec->fmt_in.p_extra =
+ realloc( p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra +
+ oggpacket.bytes + 2 );
+ p_extra = ((uint8_t *)p_dec->fmt_in.p_extra) + p_dec->fmt_in.i_extra;
+ *(p_extra++) = oggpacket.bytes >> 8;
+ *(p_extra++) = oggpacket.bytes & 0xFF;
+
+ memcpy( p_extra, oggpacket.packet, oggpacket.bytes );
+ p_dec->fmt_in.i_extra += oggpacket.bytes + 2;
+
+ block_Release( *pp_block );
+ p_sys->i_headers++;
+ return NULL;
+ }
+
+ if( p_sys->i_headers == 2 )
{
- /* Take care of the initial Speex header */
- if( ProcessHeader( p_dec, &oggpacket ) != VLC_SUCCESS )
+ if( ProcessHeaders( p_dec ) != VLC_SUCCESS )
{
- msg_Err( p_dec, "initial Speex header is corrupted" );
+ p_sys->i_headers = 0;
+ p_dec->fmt_in.i_extra = 0;
block_Release( *pp_block );
return NULL;
}
+ else p_sys->i_headers++;
+ }
- p_sys->i_headers++;
+ return ProcessPacket( p_dec, &oggpacket, pp_block );
+}
- return ProcessPacket( p_dec, &oggpacket, pp_block );
+/*****************************************************************************
+ * ProcessHeaders: process Speex headers.
+ *****************************************************************************/
+static int ProcessHeaders( decoder_t *p_dec )
+{
+ decoder_sys_t *p_sys = p_dec->p_sys;
+ ogg_packet oggpacket;
+ uint8_t *p_extra;
+ int i_extra;
+
+ if( !p_dec->fmt_in.i_extra ) return VLC_EGENERIC;
+
+ oggpacket.granulepos = -1;
+ oggpacket.b_o_s = 1; /* yes this actually is a b_o_s packet :) */
+ oggpacket.e_o_s = 0;
+ oggpacket.packetno = 0;
+ p_extra = p_dec->fmt_in.p_extra;
+ i_extra = p_dec->fmt_in.i_extra;
+
+ /* Take care of the initial Vorbis header */
+ oggpacket.bytes = *(p_extra++) << 8;
+ oggpacket.bytes |= (*(p_extra++) & 0xFF);
+ oggpacket.packet = p_extra;
+ p_extra += oggpacket.bytes;
+ i_extra -= (oggpacket.bytes + 2);
+ if( i_extra < 0 )
+ {
+ msg_Err( p_dec, "header data corrupted");
+ return VLC_EGENERIC;
}
- if( p_sys->i_headers == 1 )
+ /* Take care of the initial Speex header */
+ if( ProcessInitialHeader( p_dec, &oggpacket ) != VLC_SUCCESS )
{
- /* The next packet in order is the comments header */
- ParseSpeexComments( p_dec, &oggpacket );
- p_sys->i_headers++;
+ msg_Err( p_dec, "initial Speex header is corrupted" );
+ return VLC_EGENERIC;
+ }
- return ProcessPacket( p_dec, &oggpacket, pp_block );
+ /* The next packet in order is the comments header */
+ oggpacket.b_o_s = 0;
+ oggpacket.bytes = *(p_extra++) << 8;
+ oggpacket.bytes |= (*(p_extra++) & 0xFF);
+ oggpacket.packet = p_extra;
+ p_extra += oggpacket.bytes;
+ i_extra -= (oggpacket.bytes + 2);
+ if( i_extra < 0 )
+ {
+ msg_Err( p_dec, "header data corrupted");
+ return VLC_EGENERIC;
}
- return ProcessPacket( p_dec, &oggpacket, pp_block );
+ 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 =
+ realloc( 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 );
+ }
+
+ return VLC_SUCCESS;
}
/*****************************************************************************
- * ProcessHeader: processes the inital Speex header packet.
+ * ProcessInitialHeader: processes the inital Speex header packet.
*****************************************************************************/
-static int ProcessHeader( decoder_t *p_dec, ogg_packet *p_oggpacket )
+static int ProcessInitialHeader( decoder_t *p_dec, ogg_packet *p_oggpacket )
{
decoder_sys_t *p_sys = p_dec->p_sys;
void *p_state;
SpeexHeader *p_header;
- SpeexMode *p_mode;
+ const SpeexMode *p_mode;
SpeexCallback callback;
p_sys->p_header = p_header =
- speex_packet_to_header( p_oggpacket->packet, p_oggpacket->bytes );
+ speex_packet_to_header( (char *)p_oggpacket->packet,
+ p_oggpacket->bytes );
if( !p_header )
{
msg_Err( p_dec, "cannot read Speex header" );
return VLC_EGENERIC;
}
- if( p_header->mode >= SPEEX_NB_MODES )
+ if( p_header->mode >= SPEEX_NB_MODES || p_header->mode < 0 )
{
msg_Err( p_dec, "mode number %d does not (yet/any longer) exist in "
"this version of libspeex.", p_header->mode );
}
p_mode = speex_mode_list[p_header->mode];
+ if( p_mode == NULL )
+ return VLC_EGENERIC;
if( p_header->speex_version_id > 1 )
{
msg_Err( p_dec, "this file was encoded with Speex bit-stream "
- "version %d, which I don't know how to decode.",
+ "version %d which is not supported by this decoder.",
p_header->speex_version_id );
return VLC_EGENERIC;
}
callback.data = &p_sys->stereo;
speex_decoder_ctl( p_state, SPEEX_SET_HANDLER, &callback );
}
+ if( p_header->nb_channels <= 0 ||
+ p_header->nb_channels > 5 )
+ {
+ msg_Err( p_dec, "invalid number of channels (not between 1 and 5): %i",
+ p_header->nb_channels );
+ return VLC_EGENERIC;
+ }
/* Setup the format */
p_dec->fmt_out.audio.i_physical_channels =
block_t *p_block = *pp_block;
/* Date management */
- if( p_block && p_block->i_pts > 0 &&
+ if( p_block && p_block->i_pts > 0 &&
p_block->i_pts != aout_DateGet( &p_sys->end_date ) )
{
aout_DateSet( &p_sys->end_date, p_block->i_pts );
if( p_sys->b_packetizer )
{
- return SendPacket( p_dec, p_oggpacket, p_block );
+ if ( p_sys->p_header->frames_per_packet > 1 )
+ {
+ short *p_frame_holder = NULL;
+ int i_bits_before = 0, i_bits_after = 0, i_bytes_in_speex_frame = 0,
+ i_pcm_output_size = 0, i_bits_in_speex_frame = 0;
+ block_t *p_new_block = NULL;
+
+ i_pcm_output_size = p_sys->p_header->frame_size;
+ p_frame_holder = (short*)malloc( sizeof(short)*i_pcm_output_size );
+
+ speex_bits_read_from( &p_sys->bits, (char*)p_oggpacket->packet,
+ p_oggpacket->bytes);
+ i_bits_before = speex_bits_remaining( &p_sys->bits );
+ speex_decode_int(p_sys->p_state, &p_sys->bits, p_frame_holder);
+ i_bits_after = speex_bits_remaining( &p_sys->bits );
+
+ i_bits_in_speex_frame = i_bits_before - i_bits_after;
+ i_bytes_in_speex_frame = ( i_bits_in_speex_frame +
+ (8 - (i_bits_in_speex_frame % 8)) )
+ / 8;
+
+ p_new_block = block_New( p_dec, i_bytes_in_speex_frame );
+ memset( p_new_block->p_buffer, 0xff, i_bytes_in_speex_frame );
+
+ /*
+ * Copy the first frame in this packet to a new packet.
+ */
+ speex_bits_rewind( &p_sys->bits );
+ speex_bits_write( &p_sys->bits,
+ (char*)p_new_block->p_buffer,
+ (int)i_bytes_in_speex_frame );
+
+ /*
+ * Move the remaining part of the original packet (subsequent
+ * frames, if there are any) into the beginning
+ * of the original packet so
+ * they are preserved following the realloc.
+ * Note: Any bits that
+ * remain in the initial packet
+ * are "filler" if they do not constitute
+ * an entire byte.
+ */
+ if ( i_bits_after > 7 )
+ {
+ /* round-down since we rounded-up earlier (to include
+ * the speex terminator code.
+ */
+ i_bytes_in_speex_frame--;
+ speex_bits_write( &p_sys->bits,
+ (char*)p_block->p_buffer,
+ p_block->i_buffer - i_bytes_in_speex_frame );
+ p_block = block_Realloc( p_block,
+ 0,
+ p_block->i_buffer-i_bytes_in_speex_frame );
+ *pp_block = p_block;
+ }
+ else
+ {
+ speex_bits_reset( &p_sys->bits );
+ }
+
+ free( p_frame_holder );
+ return SendPacket( p_dec, p_new_block);
+ }
+ else
+ {
+ return SendPacket( p_dec, p_block );
+ }
}
else
{
else
p_aout_buffer = NULL; /* Skip headers */
- if( p_block )
- {
- block_Release( p_block );
- }
+ if( p_block ) block_Release( p_block );
return p_aout_buffer;
}
}
+static aout_buffer_t *DecodeRtpSpeexPacket( decoder_t *p_dec, block_t **pp_block )
+{
+ block_t *p_speex_bit_block = *pp_block;
+ decoder_sys_t *p_sys = p_dec->p_sys;
+ aout_buffer_t *p_aout_buffer;
+ int i_decode_ret;
+ unsigned int i_speex_frame_size;
+
+ if ( !p_speex_bit_block || p_speex_bit_block->i_pts == 0 ) return NULL;
+
+ /*
+ If the SpeexBits buffer size is 0 (a default value),
+ we know that a proper initialization has not yet been done.
+ */
+ if ( p_sys->bits.buf_size==0 )
+ {
+ p_sys->p_header = (SpeexHeader *)malloc(sizeof(SpeexHeader));
+ if ( !p_sys->p_header )
+ {
+ msg_Err( p_dec, "Could not allocate a Speex header.");
+ return NULL;
+ }
+ speex_init_header( p_sys->p_header,p_sys->rtp_rate,1,&speex_nb_mode );
+ speex_bits_init( &p_sys->bits );
+ p_sys->p_state = speex_decoder_init( &speex_nb_mode );
+ if ( !p_sys->p_state )
+ {
+ msg_Err( p_dec, "Could not allocate a Speex decoder." );
+ free( p_sys->p_header );
+ return NULL;
+ }
+
+ /*
+ Assume that variable bit rate is enabled. Also assume
+ that there is only one frame per packet.
+ */
+ p_sys->p_header->vbr = 1;
+ p_sys->p_header->frames_per_packet = 1;
+
+ p_dec->fmt_out.audio.i_channels = p_sys->p_header->nb_channels;
+ p_dec->fmt_out.audio.i_physical_channels =
+ p_dec->fmt_out.audio.i_original_channels =
+ pi_channels_maps[p_sys->p_header->nb_channels];
+ p_dec->fmt_out.audio.i_rate = p_sys->p_header->rate;
+
+ if ( speex_mode_query( &speex_nb_mode,
+ SPEEX_MODE_FRAME_SIZE,
+ &i_speex_frame_size ) )
+ {
+ msg_Err( p_dec, "Could not determine the frame size." );
+ speex_decoder_destroy( p_sys->p_state );
+ free( p_sys->p_header );
+ return NULL;
+ }
+ p_dec->fmt_out.audio.i_bytes_per_frame = i_speex_frame_size;
+
+ aout_DateInit(&p_sys->end_date, p_sys->p_header->rate);
+ }
+
+ /*
+ If the SpeexBits are initialized but there is
+ still no header, an error must be thrown.
+ */
+ if ( !p_sys->p_header )
+ {
+ msg_Err( p_dec, "There is no valid Speex header found." );
+ return NULL;
+ }
+ *pp_block = NULL;
+
+ if ( !aout_DateGet( &p_sys->end_date ) )
+ aout_DateSet( &p_sys->end_date, p_speex_bit_block->i_dts );
+
+ /*
+ Ask for a new audio output buffer and make sure
+ we get one.
+ */
+ p_aout_buffer = p_dec->pf_aout_buffer_new( p_dec,
+ p_sys->p_header->frame_size );
+ if ( !p_aout_buffer || p_aout_buffer->i_nb_bytes == 0 )
+ {
+ msg_Err(p_dec, "Oops: No new buffer was returned!");
+ return NULL;
+ }
+
+ /*
+ Read the Speex payload into the SpeexBits buffer.
+ */
+ speex_bits_read_from( &p_sys->bits,
+ (char*)p_speex_bit_block->p_buffer,
+ p_speex_bit_block->i_buffer );
+
+ /*
+ Decode the input and ensure that no errors
+ were encountered.
+ */
+ i_decode_ret = speex_decode_int( p_sys->p_state, &p_sys->bits,
+ (int16_t*)p_aout_buffer->p_buffer );
+ if ( i_decode_ret < 0 )
+ {
+ msg_Err( p_dec, "Decoding failed. Perhaps we have a bad stream?" );
+ return NULL;
+ }
+
+ /*
+ Handle date management on the audio output buffer.
+ */
+ p_aout_buffer->start_date = aout_DateGet( &p_sys->end_date );
+ p_aout_buffer->end_date = aout_DateIncrement( &p_sys->end_date,
+ p_sys->p_header->frame_size );
+
+
+ p_sys->i_frame_in_packet++;
+ block_Release( p_speex_bit_block );
+
+ return p_aout_buffer;
+}
+
/*****************************************************************************
* DecodePacket: decodes a Speex packet.
*****************************************************************************/
if( p_oggpacket->bytes )
{
/* Copy Ogg packet to Speex bitstream */
- speex_bits_read_from( &p_sys->bits, p_oggpacket->packet,
+ speex_bits_read_from( &p_sys->bits, (char *)p_oggpacket->packet,
p_oggpacket->bytes );
p_sys->i_frame_in_packet = 0;
}
if( p_sys->i_frame_in_packet < p_sys->p_header->frames_per_packet )
{
aout_buffer_t *p_aout_buffer;
- int i_ret;
+ if( p_sys->p_header->frame_size == 0 )
+ return NULL;
p_aout_buffer =
p_dec->pf_aout_buffer_new( p_dec, p_sys->p_header->frame_size );
return NULL;
}
- i_ret = speex_decode( p_sys->p_state, &p_sys->bits,
- (int16_t *)p_aout_buffer->p_buffer );
- if( i_ret == -1 )
- {
- /* End of stream */
- return NULL;
- }
-
- if( i_ret== -2 )
+ switch( speex_decode_int( p_sys->p_state, &p_sys->bits,
+ (int16_t *)p_aout_buffer->p_buffer ) )
{
- msg_Warn( p_dec, "decoding error: corrupted stream?" );
- return NULL;
+ case -2:
+ msg_Err( p_dec, "decoding error: corrupted stream?" );
+ case -1: /* End of stream */
+ return NULL;
}
if( speex_bits_remaining( &p_sys->bits ) < 0 )
{
- msg_Warn( p_dec, "decoding overflow: corrupted stream?" );
+ msg_Err( p_dec, "decoding overflow: corrupted stream?" );
}
if( p_sys->p_header->nb_channels == 2 )
- speex_decode_stereo( (int16_t *)p_aout_buffer->p_buffer,
- p_sys->p_header->frame_size, &p_sys->stereo );
+ speex_decode_stereo_int( (int16_t *)p_aout_buffer->p_buffer,
+ p_sys->p_header->frame_size,
+ &p_sys->stereo );
/* Date management */
p_aout_buffer->start_date = aout_DateGet( &p_sys->end_date );
p_aout_buffer->end_date =
- aout_DateIncrement( &p_sys->end_date, p_sys->p_header->frame_size);
+ aout_DateIncrement( &p_sys->end_date, p_sys->p_header->frame_size );
p_sys->i_frame_in_packet++;
/*****************************************************************************
* SendPacket: send an ogg packet to the stream output.
*****************************************************************************/
-static block_t *SendPacket( decoder_t *p_dec, ogg_packet *p_oggpacket,
- block_t *p_block )
+static block_t *SendPacket( decoder_t *p_dec, block_t *p_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
p_block->i_dts = p_block->i_pts = aout_DateGet( &p_sys->end_date );
if( p_sys->i_headers >= p_sys->p_header->extra_headers + 2 )
+ {
p_block->i_length =
aout_DateIncrement( &p_sys->end_date,
p_sys->p_header->frame_size ) -
p_block->i_pts;
+ }
else
p_block->i_length = 0;
decoder_sys_t *p_sys = p_dec->p_sys;
char *p_buf = (char *)p_oggpacket->packet;
- SpeexMode *p_mode;
+ const SpeexMode *p_mode;
int i_len;
+ if( p_input->i_object_type != VLC_OBJECT_INPUT ) return;
+
+ assert( p_sys->p_header->mode < SPEEX_NB_MODES );
+
p_mode = speex_mode_list[p_sys->p_header->mode];
+ assert( p_mode != NULL );
input_Control( p_input, INPUT_ADD_INFO, _("Speex comment"), _("Mode"),
"%s%s", p_mode->modeName,
if( p_oggpacket->bytes < 8 )
{
- msg_Warn( p_dec, "invalid/corrupted comments" );
+ msg_Err( p_dec, "invalid/corrupted comments" );
return;
}
i_len = readint( p_buf, 0 ); p_buf += 4;
if( i_len > p_oggpacket->bytes - 4 )
{
- msg_Warn( p_dec, "invalid/corrupted comments" );
+ msg_Err( p_dec, "invalid/corrupted comments" );
return;
}
speex_bits_destroy( &p_sys->bits );
}
- if( p_sys->p_header ) free( p_sys->p_header );
+ free( p_sys->p_header );
free( p_sys );
}
/*
* Input properties
*/
- int i_headers;
-
char *p_buffer;
- char *p_buffer_out[MAX_FRAME_BYTES];
+ char p_buffer_out[MAX_FRAME_BYTES];
/*
* Speex properties
{
encoder_t *p_enc = (encoder_t *)p_this;
encoder_sys_t *p_sys;
- SpeexMode *p_speex_mode = &speex_nb_mode;
- int i_quality;
-
- if( p_enc->fmt_out.i_codec != VLC_FOURCC('s','p','x',' ') )
+ const SpeexMode *p_speex_mode = &speex_nb_mode;
+ int i_quality, i;
+ const char *pp_header[2];
+ int pi_header[2];
+ uint8_t *p_extra;
+
+ if( p_enc->fmt_out.i_codec != VLC_FOURCC('s','p','x',' ') &&
+ !p_enc->b_force )
{
return VLC_EGENERIC;
}
return VLC_EGENERIC;
}
p_enc->p_sys = p_sys;
- p_enc->pf_header = Headers;
p_enc->pf_encode_audio = Encode;
p_enc->fmt_in.i_codec = AOUT_FMT_S16_NE;
+ p_enc->fmt_out.i_codec = VLC_FOURCC('s','p','x',' ');
speex_init_header( &p_sys->header, p_enc->fmt_in.audio.i_rate,
1, p_speex_mode );
p_sys->i_frames_in_packet = 0;
p_sys->i_samples_delay = 0;
- p_sys->i_headers = 0;
p_sys->i_pts = 0;
speex_encoder_ctl( p_sys->p_state, SPEEX_GET_FRAME_SIZE,
sizeof(int16_t) * p_enc->fmt_in.audio.i_channels;
p_sys->p_buffer = malloc( p_sys->i_frame_size );
+ /* Create and store headers */
+ pp_header[0] = speex_header_to_packet( &p_sys->header, &pi_header[0] );
+ pp_header[1] = "ENCODER=VLC media player";
+ pi_header[1] = sizeof("ENCODER=VLC media player");
+
+ p_enc->fmt_out.i_extra = 3 * 2 + pi_header[0] + pi_header[1];
+ p_extra = p_enc->fmt_out.p_extra = malloc( p_enc->fmt_out.i_extra );
+ for( i = 0; i < 2; i++ )
+ {
+ *(p_extra++) = pi_header[i] >> 8;
+ *(p_extra++) = pi_header[i] & 0xFF;
+ memcpy( p_extra, pp_header[i], pi_header[i] );
+ p_extra += pi_header[i];
+ }
+
msg_Dbg( p_enc, "encoding: frame size:%d, channels:%d, samplerate:%d",
p_sys->i_frame_size, p_enc->fmt_in.audio.i_channels,
p_enc->fmt_in.audio.i_rate );
return VLC_SUCCESS;
}
-/****************************************************************************
- * Headers: spits out the headers
- ****************************************************************************
- * This function spits out ogg packets.
- ****************************************************************************/
-static block_t *Headers( encoder_t *p_enc )
-{
- encoder_sys_t *p_sys = p_enc->p_sys;
- block_t *p_block, *p_chain = NULL;
-
- /* Create speex headers */
- if( !p_sys->i_headers )
- {
- char *p_buffer;
- int i_buffer;
-
- /* Main header */
- p_buffer = speex_header_to_packet( &p_sys->header, &i_buffer );
- p_block = block_New( p_enc, i_buffer );
- memcpy( p_block->p_buffer, p_buffer, i_buffer );
- p_block->i_dts = p_block->i_pts = p_block->i_length = 0;
- block_ChainAppend( &p_chain, p_block );
-
- /* Comment */
- p_block = block_New( p_enc, sizeof("ENCODER=VLC media player") );
- memcpy( p_block->p_buffer, "ENCODER=VLC media player",
- p_block->i_buffer );
- p_block->i_dts = p_block->i_pts = p_block->i_length = 0;
- block_ChainAppend( &p_chain, p_block );
-
- p_sys->i_headers = 2;
- }
-
- return p_chain;
-}
-
/****************************************************************************
* Encode: the whole thing
****************************************************************************
encoder_sys_t *p_sys = p_enc->p_sys;
block_t *p_block, *p_chain = NULL;
- char *p_buffer = p_aout_buf->p_buffer;
+ unsigned char *p_buffer = p_aout_buf->p_buffer;
int i_samples = p_aout_buf->i_nb_samples;
int i_samples_delay = p_sys->i_samples_delay;
/* Encode current frame */
if( p_enc->fmt_in.audio.i_channels == 2 )
- speex_encode_stereo( p_samples, p_sys->i_frame_length,
- &p_sys->bits );
+ speex_encode_stereo_int( p_samples, p_sys->i_frame_length,
+ &p_sys->bits );
#if 0
if( p_sys->preprocess )
speex_preprocess( p_sys->preprocess, p_samples, NULL );
#endif
- speex_encode( p_sys->p_state, p_samples, &p_sys->bits );
+ speex_encode_int( p_sys->p_state, p_samples, &p_sys->bits );
p_buffer += p_sys->i_frame_size;
p_sys->i_samples_delay -= p_sys->i_frame_length;
speex_encoder_destroy( p_sys->p_state );
speex_bits_destroy( &p_sys->bits );
- if( p_sys->p_buffer ) free( p_sys->p_buffer );
+ free( p_sys->p_buffer );
free( p_sys );
}
projects / vlc / blobdiff