+++ /dev/null
-/*
-** Copyright (C) 2008-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
-**
-** This program is free software ; you can redistribute it and/or modify
-** it under the terms of the GNU Lesser General Public License as published by
-** the Free Software Foundation ; either version 2.1 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
-** GNU Lesser General Public License for more details.
-**
-** You should have received a copy of the GNU Lesser General Public License
-** along with this program ; if not, write to the Free Software
-** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-*/
-
-
-#include "sfconfig.h"
-
-#include <stdio.h>
-#include <fcntl.h>
-#include <string.h>
-#include <ctype.h>
-#include <time.h>
-#include <math.h>
-
-#if HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-
-#include "sndfile.h"
-#include "sfendian.h"
-#include "common.h"
-
-#if (ENABLE_EXPERIMENTAL_CODE && HAVE_EXTERNAL_LIBS)
-
-#include <ogg/ogg.h>
-
-#include <speex/speex.h>
-#include <speex/speex_stereo.h>
-#include <speex/speex_header.h>
-#include <speex/speex_callbacks.h>
-
-#include "ogg.h"
-
-#define OGG_SPX_READ_SIZE 200
-
-typedef struct
-{ SpeexBits bits ;
-
- int32_t serialno ;
-
- int frame_size, granule_frame_size, nframes ;
- int force_mode ;
-
- SpeexStereoState stereo ;
- SpeexHeader header ;
-
- void * state ;
-} SPX_PRIVATE ;
-
-static int spx_read_header (SF_PRIVATE * psf) ;
-static int spx_close (SF_PRIVATE *psf) ;
-static void *spx_header_read (SF_PRIVATE * psf, ogg_packet *op, spx_int32_t enh_enabled, int force_mode) ;
-static void spx_print_comments (const char *comments, int length) ;
-
-int
-ogg_speex_open (SF_PRIVATE *psf)
-{ OGG_PRIVATE* odata = psf->container_data ;
- SPX_PRIVATE* spx = calloc (1, sizeof (SPX_PRIVATE)) ;
- int error = 0 ;
-
- if (odata == NULL)
- { psf_log_printf (psf, "%s : odata is NULL???\n", __func__) ;
- return SFE_INTERNAL ;
- } ;
-
- psf->codec_data = spx ;
- if (spx == NULL)
- return SFE_MALLOC_FAILED ;
-
- if (psf->file.mode == SFM_RDWR)
- return SFE_BAD_MODE_RW ;
-
- if (psf->file.mode == SFM_READ)
- { /* Call this here so it only gets called once, so no memory is leaked. */
- ogg_sync_init (&odata->osync) ;
-
- if ((error = spx_read_header (psf)))
- return error ;
-
-#if 0
- psf->read_short = spx_read_s ;
- psf->read_int = spx_read_i ;
- psf->read_float = spx_read_f ;
- psf->read_double = spx_read_d ;
- psf->sf.frames = spx_length (psf) ;
-#endif
- } ;
-
- psf->codec_close = spx_close ;
-
- if (psf->file.mode == SFM_WRITE)
- {
-#if 0
- /* Set the default spx quality here. */
- vdata->quality = 0.4 ;
-
- psf->write_header = spx_write_header ;
- psf->write_short = spx_write_s ;
- psf->write_int = spx_write_i ;
- psf->write_float = spx_write_f ;
- psf->write_double = spx_write_d ;
-#endif
-
- psf->sf.frames = SF_COUNT_MAX ; /* Unknown really */
- psf->str_flags = SF_STR_ALLOW_START ;
- } ;
-
- psf->bytewidth = 1 ;
- psf->blockwidth = psf->bytewidth * psf->sf.channels ;
-
-#if 0
- psf->seek = spx_seek ;
- psf->command = spx_command ;
-#endif
-
- /* FIXME, FIXME, FIXME : Hack these here for now and correct later. */
- psf->sf.format = SF_FORMAT_OGG | SF_FORMAT_SPEEX ;
- psf->sf.sections = 1 ;
-
- psf->datalength = 1 ;
- psf->dataoffset = 0 ;
- /* End FIXME. */
-
- return error ;
-} /* ogg_speex_open */
-
-#define le_short (x) (x)
-
-static int
-spx_read_header (SF_PRIVATE * psf)
-{ static SpeexStereoState STEREO_INIT = SPEEX_STEREO_STATE_INIT ;
-
- OGG_PRIVATE* odata = psf->container_data ;
- SPX_PRIVATE* spx = psf->codec_data ;
-
- ogg_int64_t page_granule = 0 ;
- int stream_init = 0 ;
- int page_nb_packets = 0 ;
- int packet_count = 0 ;
- int enh_enabled = 1 ;
- int force_mode = -1 ;
- char * data ;
- int nb_read ;
- int lookahead ;
-
-printf ("%s %d\n", __func__, __LINE__) ;
-
- psf_log_printf (psf, "Speex header\n") ;
- odata->eos = 0 ;
-
- /* Reset ogg stuff which has already been used in src/ogg.c. */
- ogg_stream_reset (&odata->ostream) ;
- ogg_sync_reset (&odata->osync) ;
-
- /* Seek to start of stream. */
- psf_fseek (psf, 0, SEEK_SET) ;
-
- /* Initialize. */
- ogg_sync_init (&odata->osync) ;
- speex_bits_init (&spx->bits) ;
-
- /* Set defaults. */
- psf->sf.channels = -1 ;
- psf->sf.samplerate = 0 ;
- spx->stereo = STEREO_INIT ;
-
- /* Get a pointer to the ogg buffer and read data into it. */
- data = ogg_sync_buffer (&odata->osync, OGG_SPX_READ_SIZE) ;
- nb_read = psf_fread (data, 1, OGG_SPX_READ_SIZE, psf) ;
- ogg_sync_wrote (&odata->osync, nb_read) ;
-
- /* Now we chew on Ogg packets. */
- while (ogg_sync_pageout (&odata->osync, &odata->opage) == 1)
- { if (stream_init == 0)
- { ogg_stream_init (&odata->ostream, ogg_page_serialno (&odata->opage)) ;
- stream_init = 1 ;
- } ;
-
- if (ogg_page_serialno (&odata->opage) != odata->ostream.serialno)
- { /* so all streams are read. */
- ogg_stream_reset_serialno (&odata->ostream, ogg_page_serialno (&odata->opage)) ;
- } ;
-
- /*Add page to the bitstream*/
- ogg_stream_pagein (&odata->ostream, &odata->opage) ;
- page_granule = ogg_page_granulepos (&odata->opage) ;
- page_nb_packets = ogg_page_packets (&odata->opage) ;
-
- /*Extract all available packets*/
- while (odata->eos == 0 && ogg_stream_packetout (&odata->ostream, &odata->opacket) == 1)
- { if (odata->opacket.bytes >= 8 && memcmp (odata->opacket.packet, "Speex ", 8) == 0)
- { spx->serialno = odata->ostream.serialno ;
- } ;
-
- if (spx->serialno == -1 || odata->ostream.serialno != spx->serialno)
- break ;
-
- if (packet_count == 0)
- { spx->state = spx_header_read (psf, &odata->opacket, enh_enabled, force_mode) ;
- if (! spx->state)
- break ;
-
- speex_decoder_ctl (spx->state, SPEEX_GET_LOOKAHEAD, &lookahead) ;
- if (spx->nframes == 0)
- spx->nframes = 1 ;
- }
- else if (packet_count == 1)
- { spx_print_comments ((const char*) odata->opacket.packet, odata->opacket.bytes) ;
- }
- else if (packet_count < 2 + spx->header.extra_headers)
- { /* Ignore extra headers */
- }
- packet_count ++ ;
- } ;
- } ;
-
- psf_log_printf (psf, "End\n") ;
-
- psf_log_printf (psf, "packet_count %d\n", packet_count) ;
- psf_log_printf (psf, "page_nb_packets %d\n", page_nb_packets) ;
- psf_log_printf (psf, "page_granule %lld\n", page_granule) ;
-
- return 0 ;
-} /* spx_read_header */
-
-static int
-spx_close (SF_PRIVATE *psf)
-{ SPX_PRIVATE* spx = psf->codec_data ;
-
- if (spx->state)
- speex_decoder_destroy (spx->state) ;
-
- if (spx)
- speex_bits_destroy (&spx->bits) ;
-
- return 0 ;
-} /* spx_close */
-
-
-
-static void *
-spx_header_read (SF_PRIVATE * psf, ogg_packet *op, spx_int32_t enh_enabled, int force_mode)
-{ SPX_PRIVATE* spx = psf->codec_data ;
- void *st ;
- const SpeexMode *mode ;
- SpeexHeader *tmp_header ;
- int modeID ;
- SpeexCallback callback ;
-
- tmp_header = speex_packet_to_header ((char*) op->packet, op->bytes) ;
- if (tmp_header == NULL)
- { psf_log_printf (psf, "Cannot read Speex header\n") ;
- return NULL ;
- } ;
-
- memcpy (&spx->header, tmp_header, sizeof (spx->header)) ;
- free (tmp_header) ;
- tmp_header = NULL ;
-
- if (spx->header.mode >= SPEEX_NB_MODES || spx->header.mode < 0)
- { psf_log_printf (psf, "Mode number %d does not (yet/any longer) exist in this version\n", spx->header.mode) ;
- return NULL ;
- } ;
-
- modeID = spx->header.mode ;
- if (force_mode != -1)
- modeID = force_mode ;
-
- mode = speex_lib_get_mode (modeID) ;
-
- if (spx->header.speex_version_id > 1)
- { psf_log_printf (psf, "This file was encoded with Speex bit-stream version %d, which I don't know how to decode\n", spx->header.speex_version_id) ;
- return NULL ;
- } ;
-
- if (mode->bitstream_version < spx->header.mode_bitstream_version)
- { psf_log_printf (psf, "The file was encoded with a newer version of Speex. You need to upgrade in order to play it.\n") ;
- return NULL ;
- } ;
-
- if (mode->bitstream_version > spx->header.mode_bitstream_version)
- { psf_log_printf (psf, "The file was encoded with an older version of Speex. You would need to downgrade the version in order to play it.\n") ;
- return NULL ;
- } ;
-
- st = speex_decoder_init (mode) ;
- if (!st)
- { psf_log_printf (psf, "Decoder initialization failed.\n") ;
- return NULL ;
- } ;
-
- speex_decoder_ctl (st, SPEEX_SET_ENH, &enh_enabled) ;
- speex_decoder_ctl (st, SPEEX_GET_FRAME_SIZE, &spx->frame_size) ;
- spx->granule_frame_size = spx->frame_size ;
-
- if (!psf->sf.samplerate)
- psf->sf.samplerate = spx->header.rate ;
- /* Adjust rate if --force-* options are used */
- if (force_mode!=-1)
- { if (spx->header.mode < force_mode)
- { psf->sf.samplerate <<= (force_mode - spx->header.mode) ;
- spx->granule_frame_size >>= (force_mode - spx->header.mode) ;
- } ;
- if (spx->header.mode > force_mode)
- { psf->sf.samplerate >>= (spx->header.mode - force_mode) ;
- spx->granule_frame_size <<= (spx->header.mode - force_mode) ;
- } ;
- } ;
-
- speex_decoder_ctl (st, SPEEX_SET_SAMPLING_RATE, &psf->sf.samplerate) ;
-
- spx->nframes = spx->header.frames_per_packet ;
-
- if (psf->sf.channels == -1)
- psf->sf.channels = spx->header.nb_channels ;
-
- if (! (psf->sf.channels == 1))
- { psf->sf.channels = 2 ;
- callback.callback_id = SPEEX_INBAND_STEREO ;
- callback.func = speex_std_stereo_request_handler ;
- callback.data = &spx->stereo ;
- speex_decoder_ctl (st, SPEEX_SET_HANDLER, &callback) ;
- } ;
-
- spx->header.speex_version [sizeof (spx->header.speex_version) - 1] = 0 ;
-
- psf_log_printf (psf, " Encoder ver : %s\n Frames/packet : %d\n",
- spx->header.speex_version, spx->header.frames_per_packet) ;
-
- if (spx->header.bitrate > 0)
- psf_log_printf (psf, " Bit rate : %d\n", spx->header.bitrate) ;
-
- psf_log_printf (psf, " Sample rate : %d\n Mode : %s\n VBR : %s\n Channels : %d\n",
- psf->sf.samplerate, mode->modeName, (spx->header.vbr ? "yes" : "no"), psf->sf.channels) ;
-
- psf_log_printf (psf, " Extra headers : %d\n", spx->header.extra_headers) ;
-
- return st ;
-} /* spx_header_read */
-
-
-static void
-spx_print_comments (const char *c, int length)
-{
- const char *end ;
- int len, i, nb_fields ;
-
-printf ("%s %d\n", __func__, __LINE__) ;
- if (length<8)
- { fprintf (stderr, "Invalid/corrupted comments\n") ;
- return ;
- }
- end = c + length ;
- len = readint (c, 0) ;
- c += 4 ;
- if (len < 0 || c + len > end)
- { fprintf (stderr, "Invalid/corrupted comments\n") ;
- return ;
- }
- (void) fwrite (c, 1, len, stderr) ;
- c += len ;
- fprintf (stderr, "\n") ;
- if (c + 4 > end)
- { fprintf (stderr, "Invalid/corrupted comments\n") ;
- return ;
- }
- nb_fields = readint (c, 0) ;
- c += 4 ;
- for (i = 0 ; i < nb_fields ; i++)
- { if (c+4>end)
- { fprintf (stderr, "Invalid/corrupted comments\n") ;
- return ;
- } ;
- len = readint (c, 0) ;
- c += 4 ;
- if (len < 0 || c + len > end)
- { fprintf (stderr, "Invalid/corrupted comments\n") ;
- return ;
- }
- (void) fwrite (c, 1, len, stderr) ;
- c += len ;
- fprintf (stderr, "\n") ;
- } ;
- return ;
-} /* spx_print_comments */
-
-
-/*
-encoded_speex_frames = (frames_per_packet * Packets)
- = 1 * 272
- = 272
-
-audio_samples = encoded_speex_frames * frame_size
- = 272 * 640
- = 174080
-
-duration = audio_samples / rate
- = 174080 / 44100
- = 3.947
-*/
-
-#else /* ENABLE_EXPERIMENTAL_CODE && HAVE_EXTERNAL_LIBS */
-
-int
-ogg_speex_open (SF_PRIVATE *psf)
-{
- psf_log_printf (psf, "This version of libsndfile was compiled without Ogg/Speex support.\n") ;
- return SFE_UNIMPLEMENTED ;
-} /* ogg_speex_open */
-
-#endif
projects / Faustine.git / blobdiff