/*****************************************************************************
- * vorbis.c: vorbis decoder module making use of libvorbis.
+ * vorbis.c: vorbis decoder/encoder/packetizer module making use of libvorbis.
*****************************************************************************
- * Copyright (C) 1999-2001 VideoLAN
- * $Id: vorbis.c,v 1.19 2003/09/28 16:50:05 gbazin Exp $
+ * Copyright (C) 2001-2003 VideoLAN
+ * $Id$
*
- * Authors: Gildas Bazin <gbazin@netcourrier.com>
+ * Authors: Gildas Bazin <gbazin@videolan.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <stdlib.h> /* malloc(), free() */
-#include <string.h> /* memcpy(), memset() */
-
#include <vlc/vlc.h>
-#include <vlc/aout.h>
#include <vlc/decoder.h>
#include <vlc/input.h>
#include <vlc/sout.h>
-#include <input_ext-dec.h>
-
-#include <vlc/input.h>
#include <ogg/ogg.h>
+
#ifdef MODULE_NAME_IS_tremor
#include <tremor/ivorbiscodec.h>
+
#else
#include <vorbis/codec.h>
+
+/* vorbis header */
+#ifdef HAVE_VORBIS_VORBISENC_H
+# include <vorbis/vorbisenc.h>
+# ifndef OV_ECTL_RATEMANAGE_AVG
+# define OV_ECTL_RATEMANAGE_AVG 0x0
+# endif
+#endif
+
#endif
/*****************************************************************************
* decoder */
vorbis_block vb; /* local working space for packet->PCM decode */
- /*
- * Output properties
- */
- aout_instance_t *p_aout;
- aout_input_t *p_aout_input;
- audio_sample_format_t aout_format;
-
- /*
- * Packetizer output properties
- */
- sout_packetizer_input_t *p_sout_input;
- sout_format_t sout_format;
-
/*
* Common properties
*/
- audio_date_t end_date;
- int i_last_block_size;
+ audio_date_t end_date;
+ int i_last_block_size;
};
-static int pi_channels_maps[6] =
+static int pi_channels_maps[7] =
{
0,
- AOUT_CHAN_CENTER, AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
+ AOUT_CHAN_CENTER,
+ AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
AOUT_CHAN_CENTER | AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT
| AOUT_CHAN_REARRIGHT,
AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
- | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT
+ | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT,
+ AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
+ | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT | AOUT_CHAN_LFE
};
/****************************************************************************
* Local prototypes
****************************************************************************/
-static int OpenDecoder ( vlc_object_t * );
-static int OpenPacketizer( vlc_object_t * );
+static int OpenDecoder ( vlc_object_t * );
+static int OpenPacketizer( vlc_object_t * );
+static void CloseDecoder ( vlc_object_t * );
+static void *DecodeBlock ( decoder_t *, block_t ** );
-static int InitDecoder ( decoder_t * );
-static int RunDecoder ( decoder_t *, block_t * );
-static int EndDecoder ( decoder_t * );
+static int ProcessHeaders( decoder_t * );
+static void *ProcessPacket ( decoder_t *, ogg_packet *, block_t ** );
-static int ProcessPacket ( decoder_t *, ogg_packet *, mtime_t );
-static int DecodePacket ( decoder_t *, ogg_packet * );
-static int SendPacket ( decoder_t *, ogg_packet * );
+static aout_buffer_t *DecodePacket ( decoder_t *, ogg_packet * );
+static block_t *SendPacket( decoder_t *, ogg_packet *, block_t * );
static void ParseVorbisComments( decoder_t * );
static void Interleave ( float *, const float **, int, int );
#endif
+#ifndef MODULE_NAME_IS_tremor
+static int OpenEncoder ( vlc_object_t * );
+static void CloseEncoder ( vlc_object_t * );
+static block_t *Encode ( encoder_t *, aout_buffer_t * );
+#endif
+
/*****************************************************************************
* Module descriptor
*****************************************************************************/
+#define ENC_QUALITY_TEXT N_("Encoding quality")
+#define ENC_QUALITY_LONGTEXT N_( \
+ "Allows you to specify a quality between 1 (low) and 10 (high), instead " \
+ "of specifying a particular bitrate. This will produce a VBR stream." )
+#define ENC_MAXBR_TEXT N_("Maximum encoding bitrate")
+#define ENC_MAXBR_LONGTEXT N_( \
+ "Allows you to specify a maximum bitrate in kbps. " \
+ "Useful for streaming applications." )
+#define ENC_MINBR_TEXT N_("Minimum encoding bitrate")
+#define ENC_MINBR_LONGTEXT N_( \
+ "Allows you to specify a minimum bitrate in kbps. " \
+ "Useful for encoding for a fixed-size channel." )
+#define ENC_CBR_TEXT N_("CBR encoding")
+#define ENC_CBR_LONGTEXT N_( \
+ "Allows you to force a constant bitrate encoding (CBR)." )
+
vlc_module_begin();
+
set_description( _("Vorbis audio decoder") );
#ifdef MODULE_NAME_IS_tremor
set_capability( "decoder", 90 );
#else
set_capability( "decoder", 100 );
#endif
- set_callbacks( OpenDecoder, NULL );
+ set_category( CAT_INPUT );
+ set_subcategory( SUBCAT_INPUT_ACODEC );
+ set_callbacks( OpenDecoder, CloseDecoder );
add_submodule();
set_description( _("Vorbis audio packetizer") );
set_capability( "packetizer", 100 );
- set_callbacks( OpenPacketizer, NULL );
+ set_callbacks( OpenPacketizer, CloseDecoder );
+
+#ifndef MODULE_NAME_IS_tremor
+# define ENC_CFG_PREFIX "sout-vorbis-"
+ add_submodule();
+ set_description( _("Vorbis audio encoder") );
+ set_capability( "encoder", 100 );
+ set_callbacks( OpenEncoder, CloseEncoder );
+
+ add_integer( ENC_CFG_PREFIX "quality", 3, NULL, ENC_QUALITY_TEXT,
+ ENC_QUALITY_LONGTEXT, VLC_FALSE );
+ add_integer( ENC_CFG_PREFIX "max-bitrate", 0, NULL, ENC_MAXBR_TEXT,
+ ENC_MAXBR_LONGTEXT, VLC_FALSE );
+ add_integer( ENC_CFG_PREFIX "min-bitrate", 0, NULL, ENC_MINBR_TEXT,
+ ENC_MINBR_LONGTEXT, VLC_FALSE );
+ add_bool( ENC_CFG_PREFIX "cbr", 0, NULL, ENC_CBR_TEXT,
+ ENC_CBR_LONGTEXT, VLC_FALSE );
+#endif
+
vlc_module_end();
+#ifndef MODULE_NAME_IS_tremor
+static const char *ppsz_enc_options[] = {
+ "quality", "max-bitrate", "min-bitrate", "cbr", NULL
+};
+#endif
+
/*****************************************************************************
* OpenDecoder: probe the decoder and return score
*****************************************************************************/
static int OpenDecoder( vlc_object_t *p_this )
{
decoder_t *p_dec = (decoder_t*)p_this;
+ decoder_sys_t *p_sys;
- if( p_dec->p_fifo->i_fourcc != VLC_FOURCC('v','o','r','b') )
+ if( p_dec->fmt_in.i_codec != VLC_FOURCC('v','o','r','b') )
{
return VLC_EGENERIC;
}
- p_dec->pf_init = InitDecoder;
- p_dec->pf_decode = RunDecoder;
- p_dec->pf_end = EndDecoder;
-
/* Allocate the memory needed to store the decoder's structure */
- if( ( p_dec->p_sys =
+ if( ( p_dec->p_sys = p_sys =
(decoder_sys_t *)malloc(sizeof(decoder_sys_t)) ) == NULL )
{
msg_Err( p_dec, "out of memory" );
return VLC_EGENERIC;
}
- p_dec->p_sys->b_packetizer = VLC_FALSE;
+
+ /* Misc init */
+ aout_DateSet( &p_sys->end_date, 0 );
+ p_sys->b_packetizer = VLC_FALSE;
+ p_sys->i_headers = 0;
+
+ /* Take care of vorbis init */
+ vorbis_info_init( &p_sys->vi );
+ vorbis_comment_init( &p_sys->vc );
+
+ /* Set output properties */
+ p_dec->fmt_out.i_cat = AUDIO_ES;
+#ifdef MODULE_NAME_IS_tremor
+ p_dec->fmt_out.i_codec = VLC_FOURCC('f','i','3','2');
+#else
+ p_dec->fmt_out.i_codec = VLC_FOURCC('f','l','3','2');
+#endif
+
+ /* Set callbacks */
+ p_dec->pf_decode_audio = (aout_buffer_t *(*)(decoder_t *, block_t **))
+ DecodeBlock;
+ p_dec->pf_packetize = (block_t *(*)(decoder_t *, block_t **))
+ DecodeBlock;
return VLC_SUCCESS;
}
int i_ret = OpenDecoder( p_this );
- if( i_ret == VLC_SUCCESS ) p_dec->p_sys->b_packetizer = VLC_TRUE;
+ if( i_ret == VLC_SUCCESS )
+ {
+ p_dec->p_sys->b_packetizer = VLC_TRUE;
+ p_dec->fmt_out.i_codec = VLC_FOURCC('v','o','r','b');
+ }
return i_ret;
}
-/*****************************************************************************
- * InitDecoder: Initalize the decoder
- *****************************************************************************/
-static int InitDecoder( decoder_t *p_dec )
-{
- decoder_sys_t *p_sys = p_dec->p_sys;
-
- aout_DateSet( &p_sys->end_date, 0 );
-
- p_sys->p_aout = NULL;
- p_sys->p_aout_input = NULL;
- p_sys->aout_format.i_format = VLC_FOURCC('v','o','r','b');
-
- p_sys->p_sout_input = NULL;
- p_sys->sout_format.i_cat = AUDIO_ES;
- p_sys->sout_format.i_fourcc = VLC_FOURCC( 'v', 'o', 'r', 'b' );
- p_sys->sout_format.i_block_align = 0;
- p_sys->sout_format.i_bitrate = 0;
- p_sys->sout_format.i_extra_data = 0;
- p_sys->sout_format.p_extra_data = NULL;
-
- /* Take care of vorbis init */
- vorbis_info_init( &p_sys->vi );
- vorbis_comment_init( &p_sys->vc );
-
- p_sys->i_headers = 0;
-
- return VLC_SUCCESS;
-}
-
/****************************************************************************
- * RunDecoder: the whole thing
+ * DecodeBlock: the whole thing
****************************************************************************
* This function must be fed with ogg packets.
****************************************************************************/
-static int RunDecoder( decoder_t *p_dec, block_t *p_block )
+static void *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
ogg_packet oggpacket;
- int i_ret;
- /* Block to Ogg packet */
- oggpacket.packet = p_block->p_buffer;
- oggpacket.bytes = p_block->i_buffer;
+ if( !pp_block ) return NULL;
+
+ if( *pp_block )
+ {
+ /* Block to Ogg packet */
+ oggpacket.packet = (*pp_block)->p_buffer;
+ oggpacket.bytes = (*pp_block)->i_buffer;
+ }
+ else
+ {
+ if( p_sys->b_packetizer ) return NULL;
+
+ /* Block to Ogg packet */
+ oggpacket.packet = NULL;
+ oggpacket.bytes = 0;
+ }
+
oggpacket.granulepos = -1;
oggpacket.b_o_s = 0;
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 )
+ {
+ /* Headers already available as extra data */
+ p_sys->i_headers = 3;
+ }
+ else if( oggpacket.bytes && p_sys->i_headers < 3 )
{
- /* Take care of the initial Vorbis header */
+ /* Backup headers as extra data */
+ uint8_t *p_extra;
- oggpacket.b_o_s = 1; /* yes this actually is a b_o_s packet :) */
- if( vorbis_synthesis_headerin( &p_sys->vi, &p_sys->vc,
- &oggpacket ) < 0 )
- {
- msg_Err( p_dec->p_fifo, "This bitstream does not contain Vorbis "
- "audio data");
- block_Release( p_block );
- return VLC_EGENERIC;
- }
- p_sys->i_headers++;
+ p_dec->fmt_in.p_extra =
+ realloc( p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra +
+ oggpacket.bytes + 2 );
+ p_extra = p_dec->fmt_in.p_extra + p_dec->fmt_in.i_extra;
+ *(p_extra++) = oggpacket.bytes >> 8;
+ *(p_extra++) = oggpacket.bytes & 0xFF;
-
- if( p_sys->b_packetizer )
- {
- /* add a input for the stream ouput */
- p_sys->sout_format.i_sample_rate = p_sys->vi.rate;
- p_sys->sout_format.i_channels = p_sys->vi.channels;
- p_sys->sout_format.i_block_align = 1;
- p_sys->sout_format.i_bitrate = p_sys->vi.bitrate_nominal;
+ memcpy( p_extra, oggpacket.packet, oggpacket.bytes );
+ p_dec->fmt_in.i_extra += oggpacket.bytes + 2;
- p_sys->p_sout_input =
- sout_InputNew( p_dec, &p_sys->sout_format );
+ block_Release( *pp_block );
+ p_sys->i_headers++;
+ return NULL;
+ }
- if( !p_sys->p_sout_input )
- {
- msg_Err( p_dec, "cannot add a new stream" );
- block_Release( p_block );
- return VLC_EGENERIC;
- }
- }
- else
+ if( p_sys->i_headers == 3 )
+ {
+ if( ProcessHeaders( p_dec ) != VLC_SUCCESS )
{
-#ifdef MODULE_NAME_IS_tremor
- p_sys->aout_format.i_format = VLC_FOURCC('f','i','3','2');
-#else
- p_sys->aout_format.i_format = VLC_FOURCC('f','l','3','2');
-#endif
- p_sys->aout_format.i_physical_channels =
- p_sys->aout_format.i_original_channels =
- pi_channels_maps[p_sys->vi.channels];
- p_sys->aout_format.i_rate = p_sys->vi.rate;
+ 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->p_aout = NULL;
- p_sys->p_aout_input = aout_DecNew( p_dec, &p_sys->p_aout,
- &p_sys->aout_format );
+ return ProcessPacket( p_dec, &oggpacket, pp_block );
+}
- if( p_sys->p_aout_input == NULL )
- {
- msg_Err( p_dec, "failed to create aout fifo" );
- block_Release( p_block );
- return VLC_EGENERIC;
- }
- }
+/*****************************************************************************
+ * ProcessHeaders: process Vorbis 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;
- aout_DateInit( &p_sys->end_date, p_sys->vi.rate );
+ if( !p_dec->fmt_in.i_extra ) return VLC_EGENERIC;
- msg_Dbg( p_dec, "channels:%d samplerate:%ld bitrate:%ld",
- p_sys->vi.channels, p_sys->vi.rate,
- p_sys->vi.bitrate_nominal );
+ 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->b_packetizer )
- {
- i_ret = ProcessPacket( p_dec, &oggpacket, p_block->i_pts );
- block_Release( p_block );
- return i_ret;
- }
- else
- {
- block_Release( p_block );
- return VLC_SUCCESS;
- }
+ if( vorbis_synthesis_headerin( &p_sys->vi, &p_sys->vc, &oggpacket ) < 0 )
+ {
+ msg_Err( p_dec, "this bitstream does not contain Vorbis audio data");
+ return VLC_EGENERIC;
}
- if( p_sys->i_headers == 1 )
+ /* Setup the format */
+ p_dec->fmt_out.audio.i_rate = p_sys->vi.rate;
+ p_dec->fmt_out.audio.i_channels = p_sys->vi.channels;
+ p_dec->fmt_out.audio.i_physical_channels =
+ p_dec->fmt_out.audio.i_original_channels =
+ pi_channels_maps[p_sys->vi.channels];
+ p_dec->fmt_out.i_bitrate = p_sys->vi.bitrate_nominal;
+
+ aout_DateInit( &p_sys->end_date, p_sys->vi.rate );
+ aout_DateSet( &p_sys->end_date, 0 );
+
+ msg_Dbg( p_dec, "channels:%d samplerate:%ld bitrate:%ld",
+ p_sys->vi.channels, p_sys->vi.rate, p_sys->vi.bitrate_nominal );
+
+ /* 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 )
{
- /* The next packet in order is the comments header */
- if( vorbis_synthesis_headerin( &p_sys->vi, &p_sys->vc, &oggpacket )
- < 0 )
- {
- msg_Err( p_dec, "2nd Vorbis header is corrupted" );
- return VLC_EGENERIC;
- }
- p_sys->i_headers++;
-
- ParseVorbisComments( p_dec );
+ msg_Err( p_dec, "header data corrupted");
+ return VLC_EGENERIC;
+ }
- if( p_sys->b_packetizer )
- {
- i_ret = ProcessPacket( p_dec, &oggpacket, p_block->i_pts );
- block_Release( p_block );
- return i_ret;
- }
- else
- {
- block_Release( p_block );
- return VLC_SUCCESS;
- }
+ if( vorbis_synthesis_headerin( &p_sys->vi, &p_sys->vc, &oggpacket ) < 0 )
+ {
+ msg_Err( p_dec, "2nd Vorbis header is corrupted" );
+ return VLC_EGENERIC;
+ }
+ ParseVorbisComments( p_dec );
+
+ /* The next packet in order is the codebooks header
+ * We need to watch out that this packet is not missing as a
+ * missing or corrupted header is fatal. */
+ oggpacket.bytes = *(p_extra++) << 8;
+ oggpacket.bytes |= (*(p_extra++) & 0xFF);
+ oggpacket.packet = p_extra;
+ i_extra -= (oggpacket.bytes + 2);
+ if( i_extra < 0 )
+ {
+ msg_Err( p_dec, "header data corrupted");
+ return VLC_EGENERIC;
}
- if( p_sys->i_headers == 2 )
+ if( vorbis_synthesis_headerin( &p_sys->vi, &p_sys->vc, &oggpacket ) < 0 )
{
- /* The next packet in order is the codebooks header
- We need to watch out that this packet is not missing as a
- missing or corrupted header is fatal. */
- if( vorbis_synthesis_headerin( &p_sys->vi, &p_sys->vc, &oggpacket )
- < 0 )
- {
- msg_Err( p_dec, "3rd Vorbis header is corrupted" );
- return VLC_EGENERIC;
- }
- p_sys->i_headers++;
-
- if( !p_sys->b_packetizer )
- {
- /* Initialize the Vorbis packet->PCM decoder */
- vorbis_synthesis_init( &p_sys->vd, &p_sys->vi );
- vorbis_block_init( &p_sys->vd, &p_sys->vb );
- }
+ msg_Err( p_dec, "3rd Vorbis header is corrupted" );
+ return VLC_EGENERIC;
+ }
- if( p_sys->b_packetizer )
- {
- i_ret = ProcessPacket( p_dec, &oggpacket, p_block->i_pts );
- block_Release( p_block );
- return i_ret;
- }
- else
- {
- block_Release( p_block );
- return VLC_SUCCESS;
- }
+ if( !p_sys->b_packetizer )
+ {
+ /* Initialize the Vorbis packet->PCM decoder */
+ vorbis_synthesis_init( &p_sys->vd, &p_sys->vi );
+ vorbis_block_init( &p_sys->vd, &p_sys->vb );
+ }
+ else
+ {
+ 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 );
}
- i_ret = ProcessPacket( p_dec, &oggpacket, p_block->i_pts );
- block_Release( p_block );
- return i_ret;
+ return VLC_SUCCESS;
}
/*****************************************************************************
* ProcessPacket: processes a Vorbis packet.
*****************************************************************************/
-static int ProcessPacket( decoder_t *p_dec, ogg_packet *p_oggpacket,
- mtime_t i_pts )
+static void *ProcessPacket( decoder_t *p_dec, ogg_packet *p_oggpacket,
+ block_t **pp_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
+ block_t *p_block = *pp_block;
/* Date management */
- if( i_pts > 0 && i_pts != aout_DateGet( &p_sys->end_date ) )
+ if( p_block && p_block->i_pts > 0 &&
+ p_block->i_pts != aout_DateGet( &p_sys->end_date ) )
{
- aout_DateSet( &p_sys->end_date, i_pts );
+ aout_DateSet( &p_sys->end_date, p_block->i_pts );
}
if( !aout_DateGet( &p_sys->end_date ) )
{
/* We've just started the stream, wait for the first PTS. */
- return VLC_SUCCESS;
+ if( p_block ) block_Release( p_block );
+ return NULL;
}
+ *pp_block = NULL; /* To avoid being fed the same packet again */
+
if( p_sys->b_packetizer )
{
- return SendPacket( p_dec, p_oggpacket );
+ return SendPacket( p_dec, p_oggpacket, p_block );
}
else
{
- return DecodePacket( p_dec, p_oggpacket );
+ aout_buffer_t *p_aout_buffer;
+
+ if( p_sys->i_headers >= 3 )
+ p_aout_buffer = DecodePacket( p_dec, p_oggpacket );
+ else
+ p_aout_buffer = NULL;
+
+ if( p_block ) block_Release( p_block );
+ return p_aout_buffer;
}
}
/*****************************************************************************
* DecodePacket: decodes a Vorbis packet.
*****************************************************************************/
-static int DecodePacket( decoder_t *p_dec, ogg_packet *p_oggpacket )
+static aout_buffer_t *DecodePacket( decoder_t *p_dec, ogg_packet *p_oggpacket )
{
decoder_sys_t *p_sys = p_dec->p_sys;
int i_samples;
float **pp_pcm;
#endif
- if( vorbis_synthesis( &p_sys->vb, p_oggpacket ) == 0 )
+ if( p_oggpacket->bytes &&
+ vorbis_synthesis( &p_sys->vb, p_oggpacket ) == 0 )
vorbis_synthesis_blockin( &p_sys->vd, &p_sys->vb );
/* **pp_pcm is a multichannel float vector. In stereo, for
* the size of each channel. Convert the float values
* (-1.<=range<=1.) to whatever PCM format and write it out */
- while( ( i_samples = vorbis_synthesis_pcmout( &p_sys->vd, &pp_pcm ) ) > 0 )
+ if( ( i_samples = vorbis_synthesis_pcmout( &p_sys->vd, &pp_pcm ) ) > 0 )
{
aout_buffer_t *p_aout_buffer;
- p_aout_buffer = aout_DecNewBuffer( p_sys->p_aout, p_sys->p_aout_input,
- i_samples );
- if( !p_aout_buffer )
- {
- msg_Err( p_dec, "cannot get aout buffer" );
- return VLC_SUCCESS;
- }
+
+ p_aout_buffer =
+ p_dec->pf_aout_buffer_new( p_dec, i_samples );
+
+ if( p_aout_buffer == NULL ) return NULL;
/* Interleave the samples */
#ifdef MODULE_NAME_IS_tremor
p_aout_buffer->start_date = aout_DateGet( &p_sys->end_date );
p_aout_buffer->end_date = aout_DateIncrement( &p_sys->end_date,
i_samples );
-
- aout_DecPlay( p_sys->p_aout, p_sys->p_aout_input, p_aout_buffer );
+ return p_aout_buffer;
+ }
+ else
+ {
+ return NULL;
}
-
}
/*****************************************************************************
- * SendPacket: send an ogg packet to the stream output.
+ * SendPacket: send an ogg dated packet to the stream output.
*****************************************************************************/
-static int SendPacket( decoder_t *p_dec, ogg_packet *p_oggpacket )
+static block_t *SendPacket( decoder_t *p_dec, ogg_packet *p_oggpacket,
+ block_t *p_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
- int i_block_size, i_samples;
-
- sout_buffer_t *p_sout_buffer =
- sout_BufferNew( p_sys->p_sout_input->p_sout, p_oggpacket->bytes );
-
- if( !p_sout_buffer ) return VLC_EGENERIC;
+ int i_block_size, i_samples;
i_block_size = vorbis_packet_blocksize( &p_sys->vi, p_oggpacket );
if( i_block_size < 0 ) i_block_size = 0; /* non audio packet */
i_samples = ( p_sys->i_last_block_size + i_block_size ) >> 2;
p_sys->i_last_block_size = i_block_size;
- p_dec->p_vlc->pf_memcpy( p_sout_buffer->p_buffer,
- p_oggpacket->packet,
- p_oggpacket->bytes );
-
- p_sout_buffer->i_bitrate = p_sys->vi.bitrate_nominal;
-
/* Date management */
- p_sout_buffer->i_dts = p_sout_buffer->i_pts =
- aout_DateGet( &p_sys->end_date );
+ p_block->i_dts = p_block->i_pts = aout_DateGet( &p_sys->end_date );
if( p_sys->i_headers >= 3 )
- p_sout_buffer->i_length =
- aout_DateIncrement( &p_sys->end_date, i_samples ) -
- p_sout_buffer->i_pts;
+ p_block->i_length = aout_DateIncrement( &p_sys->end_date, i_samples ) -
+ p_block->i_pts;
else
- p_sout_buffer->i_length = 0;
-
- sout_InputSendBuffer( p_sys->p_sout_input, p_sout_buffer );
+ p_block->i_length = 0;
- return VLC_SUCCESS;
+ return p_block;
}
/*****************************************************************************
static void ParseVorbisComments( decoder_t *p_dec )
{
input_thread_t *p_input = (input_thread_t *)p_dec->p_parent;
- input_info_category_t *p_cat =
- input_InfoCategory( p_input, _("Vorbis Comment") );
- int i = 0;
char *psz_name, *psz_value, *psz_comment;
- while ( i < p_dec->p_sys->vc.comments )
+ int i = 0;
+
+ if( p_input->i_object_type != VLC_OBJECT_INPUT ) return;
+
+ while( i < p_dec->p_sys->vc.comments )
{
psz_comment = strdup( p_dec->p_sys->vc.user_comments[i] );
if( !psz_comment )
{
- msg_Warn( p_dec, "Out of memory" );
+ msg_Warn( p_dec, "out of memory" );
break;
}
psz_name = psz_comment;
{
*psz_value = '\0';
psz_value++;
- input_AddInfo( p_cat, psz_name, psz_value );
+ input_Control( p_input, INPUT_ADD_INFO, _("Vorbis comment"),
+ psz_name, psz_value );
+ /* HACK, we should use meta */
+ if( strstr( psz_name, "artist" ) )
+ {
+ input_Control( p_input, INPUT_ADD_INFO, _("Meta-information"),
+ _("Artist"), psz_value );
+ }
+ else if( strstr( psz_name, "title" ) )
+ {
+ p_input->input.p_item->psz_name = strdup( psz_value );
+ }
}
+ /* FIXME */
+ var_SetInteger( p_input, "item-change", p_input->input.p_item->i_id );
free( psz_comment );
i++;
}
/*****************************************************************************
* Interleave: helper function to interleave channels
*****************************************************************************/
+static void Interleave(
#ifdef MODULE_NAME_IS_tremor
-static void Interleave( int32_t *p_out, const int32_t **pp_in,
+ int32_t *p_out, const int32_t **pp_in,
#else
-static void Interleave( float *p_out, const float **pp_in,
+ float *p_out, const float **pp_in,
#endif
int i_nb_channels, int i_samples )
{
}
/*****************************************************************************
- * EndDecoder: vorbis decoder destruction
+ * CloseDecoder: vorbis decoder destruction
*****************************************************************************/
-static int EndDecoder( decoder_t * p_dec )
+static void CloseDecoder( vlc_object_t *p_this )
{
+ decoder_t *p_dec = (decoder_t *)p_this;
decoder_sys_t *p_sys = p_dec->p_sys;
- if( p_sys->p_aout_input != NULL )
+ if( !p_sys->b_packetizer && p_sys->i_headers >= 3 )
{
- aout_DecDelete( p_sys->p_aout, p_sys->p_aout_input );
+ vorbis_block_clear( &p_sys->vb );
+ vorbis_dsp_clear( &p_sys->vd );
}
- if( p_sys->p_sout_input != NULL )
+ vorbis_comment_clear( &p_sys->vc );
+ vorbis_info_clear( &p_sys->vi ); /* must be called last */
+
+ free( p_sys );
+}
+
+#if defined(HAVE_VORBIS_VORBISENC_H) && !defined(MODULE_NAME_IS_tremor)
+
+/*****************************************************************************
+ * encoder_sys_t : vorbis encoder descriptor
+ *****************************************************************************/
+struct encoder_sys_t
+{
+ /*
+ * Vorbis properties
+ */
+ vorbis_info vi; /* struct that stores all the static vorbis bitstream
+ settings */
+ vorbis_comment vc; /* struct that stores all the bitstream user
+ * comments */
+ vorbis_dsp_state vd; /* central working state for the packet->PCM
+ * decoder */
+ vorbis_block vb; /* local working space for packet->PCM decode */
+
+ int i_last_block_size;
+ int i_samples_delay;
+ int i_channels;
+
+ /*
+ * Common properties
+ */
+ mtime_t i_pts;
+};
+
+/*****************************************************************************
+ * 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;
+ int i_quality, i_min_bitrate, i_max_bitrate, i;
+ ogg_packet header[3];
+ vlc_value_t val;
+ uint8_t *p_extra;
+
+ if( p_enc->fmt_out.i_codec != VLC_FOURCC('v','o','r','b') &&
+ !p_enc->b_force )
{
- sout_InputDelete( p_sys->p_sout_input );
+ return VLC_EGENERIC;
}
- if( !p_sys->b_packetizer && p_sys->i_headers >= 3 )
+ /* Allocate the memory needed to store the decoder's structure */
+ if( ( p_sys = (encoder_sys_t *)malloc(sizeof(encoder_sys_t)) ) == NULL )
{
- vorbis_block_clear( &p_sys->vb );
- vorbis_dsp_clear( &p_sys->vd );
+ 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 = VLC_FOURCC('f','l','3','2');
+ p_enc->fmt_out.i_codec = VLC_FOURCC('v','o','r','b');
+
+ sout_CfgParse( p_enc, ENC_CFG_PREFIX, ppsz_enc_options, p_enc->p_cfg );
+
+ var_Get( p_enc, ENC_CFG_PREFIX "quality", &val );
+ i_quality = val.i_int;
+ if( i_quality > 10 ) i_quality = 10;
+ if( i_quality < 0 ) i_quality = 0;
+ var_Get( p_enc, ENC_CFG_PREFIX "cbr", &val );
+ if( val.b_bool ) i_quality = 0;
+ var_Get( p_enc, ENC_CFG_PREFIX "max-bitrate", &val );
+ i_max_bitrate = val.i_int;
+ var_Get( p_enc, ENC_CFG_PREFIX "min-bitrate", &val );
+ i_min_bitrate = val.i_int;
+
+ /* Initialize vorbis encoder */
+ vorbis_info_init( &p_sys->vi );
+
+ if( i_quality > 0 )
+ {
+ /* VBR mode */
+ if( vorbis_encode_setup_vbr( &p_sys->vi,
+ p_enc->fmt_in.audio.i_channels, p_enc->fmt_in.audio.i_rate,
+ i_quality * 0.1 ) )
+ {
+ vorbis_info_clear( &p_sys->vi );
+ free( p_enc->p_sys );
+ msg_Err( p_enc, "VBR mode initialisation failed" );
+ return VLC_EGENERIC;
+ }
+
+ /* Do we have optional hard quality restrictions? */
+ if( i_max_bitrate > 0 || i_min_bitrate > 0 )
+ {
+ struct ovectl_ratemanage_arg ai;
+ vorbis_encode_ctl( &p_sys->vi, OV_ECTL_RATEMANAGE_GET, &ai );
+
+ ai.bitrate_hard_min = i_min_bitrate;
+ ai.bitrate_hard_max = i_max_bitrate;
+ ai.management_active = 1;
+
+ vorbis_encode_ctl( &p_sys->vi, OV_ECTL_RATEMANAGE_SET, &ai );
+
+ }
+ else
+ {
+ /* Turn off management entirely */
+ vorbis_encode_ctl( &p_sys->vi, OV_ECTL_RATEMANAGE_SET, NULL );
+ }
+ }
+ else
+ {
+ if( vorbis_encode_setup_managed( &p_sys->vi,
+ p_enc->fmt_in.audio.i_channels, p_enc->fmt_in.audio.i_rate,
+ i_min_bitrate > 0 ? i_min_bitrate * 1000: -1,
+ p_enc->fmt_out.i_bitrate,
+ i_max_bitrate > 0 ? i_max_bitrate * 1000: -1 ) )
+ {
+ vorbis_info_clear( &p_sys->vi );
+ msg_Err( p_enc, "CBR mode initialisation failed" );
+ free( p_enc->p_sys );
+ return VLC_EGENERIC;
+ }
+ }
+
+ vorbis_encode_setup_init( &p_sys->vi );
+
+ /* Add a comment */
+ vorbis_comment_init( &p_sys->vc);
+ vorbis_comment_add_tag( &p_sys->vc, "ENCODER", "VLC media player");
+
+ /* Set up the analysis state and auxiliary encoding storage */
+ vorbis_analysis_init( &p_sys->vd, &p_sys->vi );
+ vorbis_block_init( &p_sys->vd, &p_sys->vb );
+
+ /* Create and store headers */
+ vorbis_analysis_headerout( &p_sys->vd, &p_sys->vc,
+ &header[0], &header[1], &header[2]);
+ p_enc->fmt_out.i_extra = 3 * 2 + header[0].bytes +
+ header[1].bytes + header[2].bytes;
+ p_extra = p_enc->fmt_out.p_extra = malloc( p_enc->fmt_out.i_extra );
+ for( i = 0; i < 3; i++ )
+ {
+ *(p_extra++) = header[i].bytes >> 8;
+ *(p_extra++) = header[i].bytes & 0xFF;
+ memcpy( p_extra, header[i].packet, header[i].bytes );
+ p_extra += header[i].bytes;
+ }
+
+ p_sys->i_channels = p_enc->fmt_in.audio.i_channels;
+ p_sys->i_last_block_size = 0;
+ p_sys->i_samples_delay = 0;
+ p_sys->i_pts = 0;
+
+ return VLC_SUCCESS;
+}
+
+/****************************************************************************
+ * Encode: the whole thing
+ ****************************************************************************
+ * This function spits out ogg packets.
+ ****************************************************************************/
+static block_t *Encode( encoder_t *p_enc, aout_buffer_t *p_aout_buf )
+{
+ encoder_sys_t *p_sys = p_enc->p_sys;
+ ogg_packet oggpacket;
+ block_t *p_block, *p_chain = NULL;
+ float **buffer;
+ int i;
+ unsigned int j;
+
+ p_sys->i_pts = p_aout_buf->start_date -
+ (mtime_t)1000000 * (mtime_t)p_sys->i_samples_delay /
+ (mtime_t)p_enc->fmt_in.audio.i_rate;
+
+ p_sys->i_samples_delay += p_aout_buf->i_nb_samples;
+
+ buffer = vorbis_analysis_buffer( &p_sys->vd, p_aout_buf->i_nb_samples );
+
+ /* convert samples to float and uninterleave */
+ for( i = 0; i < p_sys->i_channels; i++ )
+ {
+ for( j = 0 ; j < p_aout_buf->i_nb_samples ; j++ )
+ {
+ buffer[i][j]= ((float *)p_aout_buf->p_buffer)
+ [j * p_sys->i_channels + i ];
+ }
}
+ vorbis_analysis_wrote( &p_sys->vd, p_aout_buf->i_nb_samples );
+
+ while( vorbis_analysis_blockout( &p_sys->vd, &p_sys->vb ) == 1 )
+ {
+ int i_samples;
+
+ vorbis_analysis( &p_sys->vb, NULL );
+ vorbis_bitrate_addblock( &p_sys->vb );
+
+ while( vorbis_bitrate_flushpacket( &p_sys->vd, &oggpacket ) )
+ {
+ int i_block_size;
+ p_block = block_New( p_enc, oggpacket.bytes );
+ memcpy( p_block->p_buffer, oggpacket.packet, oggpacket.bytes );
+
+ i_block_size = vorbis_packet_blocksize( &p_sys->vi, &oggpacket );
+
+ if( i_block_size < 0 ) i_block_size = 0;
+ i_samples = ( p_sys->i_last_block_size + i_block_size ) >> 2;
+ p_sys->i_last_block_size = i_block_size;
+
+ p_block->i_length = (mtime_t)1000000 *
+ (mtime_t)i_samples / (mtime_t)p_enc->fmt_in.audio.i_rate;
+
+ p_block->i_dts = p_block->i_pts = p_sys->i_pts;
+
+ p_sys->i_samples_delay -= i_samples;
+
+ /* Update pts */
+ p_sys->i_pts += p_block->i_length;
+ block_ChainAppend( &p_chain, p_block );
+ }
+ }
+
+ return p_chain;
+}
+
+/*****************************************************************************
+ * CloseEncoder: vorbis encoder destruction
+ *****************************************************************************/
+static void CloseEncoder( vlc_object_t *p_this )
+{
+ encoder_t *p_enc = (encoder_t *)p_this;
+ encoder_sys_t *p_sys = p_enc->p_sys;
+
+ vorbis_block_clear( &p_sys->vb );
+ vorbis_dsp_clear( &p_sys->vd );
vorbis_comment_clear( &p_sys->vc );
vorbis_info_clear( &p_sys->vi ); /* must be called last */
free( p_sys );
-
- return VLC_SUCCESS;
}
+
+#endif /* HAVE_VORBIS_VORBISENC_H && !MODULE_NAME_IS_tremor */
projects / vlc / blobdiff