aboutsummaryrefslogtreecommitdiffstats
path: root/src/ogg_decode.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/ogg_decode.c')
-rw-r--r--src/ogg_decode.c278
1 files changed, 0 insertions, 278 deletions
diff --git a/src/ogg_decode.c b/src/ogg_decode.c
deleted file mode 100644
index 22ae07727..000000000
--- a/src/ogg_decode.c
+++ /dev/null
@@ -1,278 +0,0 @@
-/* the Music Player Daemon (MPD)
- * (c)2003-2004 by Warren Dukes (shank@mercury.chem.pitt.edu)
- * This project's homepage is: http://www.musicpd.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
- * GNU General Public License for more details.
- * 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 02111-1307 USA
- */
-
-#include "ogg_decode.h"
-
-#ifdef HAVE_OGG
-
-#include "command.h"
-#include "utils.h"
-#include "audio.h"
-#include "log.h"
-#include "pcm_utils.h"
-#include "inputStream.h"
-#include "outputBuffer.h"
-#include "replayGain.h"
-
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <vorbis/vorbisfile.h>
-#include <errno.h>
-
-#ifdef WORDS_BIGENDIAN
-#define OGG_DECODE_USE_BIGENDIAN 1
-#else
-#define OGG_DECODE_USE_BIGENDIAN 0
-#endif
-
-typedef struct _OggCallbackData {
- InputStream * inStream;
- DecoderControl * dc;
-} OggCallbackData;
-
-/* this is just for tag parsing for db import! */
-int getOggTotalTime(char * file) {
- OggVorbis_File vf;
- FILE * oggfp;
- int totalTime;
-
- if(!(oggfp = fopen(file,"r"))) return -1;
-
- if(ov_open(oggfp, &vf, NULL, 0) < 0) {
- fclose(oggfp);
- return -1;
- }
-
- totalTime = ov_time_total(&vf,-1)+0.5;
-
- ov_clear(&vf);
-
- return totalTime;
-}
-
-size_t ogg_read_cb(void * ptr, size_t size, size_t nmemb, void * vdata)
-{
- size_t ret = 0;
- OggCallbackData * data = (OggCallbackData *)vdata;
-
- while(1) {
- ret = readFromInputStream(data->inStream,ptr,size,nmemb);
- if(ret == 0 && !inputStreamAtEOF(data->inStream) &&
- !data->dc->stop)
- {
- my_usleep(10000);
- }
- else break;
- }
- errno = 0;
- /*if(ret<0) errno = ((InputStream *)inStream)->error;*/
-
- return ret;
-}
-
-int ogg_seek_cb(void * vdata, ogg_int64_t offset, int whence) {
- OggCallbackData * data = (OggCallbackData *)vdata;
-
- return seekInputStream(data->inStream,offset,whence);
-}
-
-int ogg_close_cb(void * vdata) {
- OggCallbackData * data = (OggCallbackData *)vdata;
-
- return closeInputStream(data->inStream);
-}
-
-long ogg_tell_cb(void * vdata) {
- OggCallbackData * data = (OggCallbackData *)vdata;
-
- return (long)(data->inStream->offset);
-}
-
-char * ogg_parseComment(char * comment, char * needle) {
- int len = strlen(needle);
-
- if(strncasecmp(comment,needle,len)) return comment+len;
-
- return NULL;
-}
-
-float ogg_getReplayGainScale(char ** comments) {
- int trackGainFound = 0;
- int albumGainFound = 0;
- float trackGain = 1.0;
- float albumGain = 1.0;
- float trackPeak = 0.0;
- float albumPeak = 0.0;
- char * temp;
- int replayGainState = getReplayGainState();
-
- if(replayGainState == REPLAYGAIN_OFF) return 1.0;
-
- while(*comments) {
- if((temp = ogg_parseComment(*comments,"replaygain_track_gain")))
- {
- trackGain = atof(temp);
- trackGainFound = 1;
- }
- else if((temp = ogg_parseComment(*comments,
- "replaygain_album_gain")))
- {
- albumGain = atof(temp);
- albumGainFound = 1;
- }
- else if((temp = ogg_parseComment(*comments,
- "replaygain_track_peak")))
- {
- trackPeak = atof(temp);
- }
- else if((temp = ogg_parseComment(*comments,
- "replaygain_album_peak")))
- {
- albumPeak = atof(temp);
- }
-
- comments++;
- }
-
- switch(replayGainState) {
- case REPLAYGAIN_ALBUM:
- if(albumGainFound) {
- return computeReplayGainScale(albumGain,albumPeak);
- }
- default:
- return computeReplayGainScale(trackGain,trackPeak);
- }
-
- return 1.0;
-}
-
-int ogg_decode(OutputBuffer * cb, DecoderControl * dc, InputStream * inStream)
-{
- OggVorbis_File vf;
- ov_callbacks callbacks;
- OggCallbackData data;
-
- data.inStream = inStream;
- data.dc = dc;
-
- callbacks.read_func = ogg_read_cb;
- callbacks.seek_func = ogg_seek_cb;
- callbacks.close_func = ogg_close_cb;
- callbacks.tell_func = ogg_tell_cb;
-
- if(ov_open_callbacks(&data, &vf, NULL, 0, callbacks) < 0) {
- closeInputStream(inStream);
- if(!dc->stop) {
- ERROR("Input does not appear to be an Ogg Vorbis stream.\n");
- return -1;
- }
- else {
- dc->state = DECODE_STATE_STOP;
- dc->stop = 0;
- }
- return 0;
- }
-
- {
- vorbis_info *vi=ov_info(&vf,-1);
- dc->audioFormat.bits = 16;
- dc->audioFormat.channels = vi->channels;
- dc->audioFormat.sampleRate = vi->rate;
- getOutputAudioFormat(&(dc->audioFormat),&(cb->audioFormat));
- }
-
- dc->totalTime = ov_time_total(&vf,-1);
- if(dc->totalTime < 0) dc->totalTime = 0;
- dc->state = DECODE_STATE_DECODE;
-
- {
- int current_section;
- int eof = 0;
- long ret;
-#define OGG_CHUNK_SIZE 4096
- char chunk[OGG_CHUNK_SIZE];
- int chunkpos = 0;
- long bitRate = 0;
- long test;
- float replayGainScale = ogg_getReplayGainScale(
- ov_comment(&vf,-1)->user_comments);
-
- while(!eof) {
- if(dc->seek) {
- if(0 == ov_time_seek_page(&vf,dc->seekWhere)) {
- clearOutputBuffer(cb);
- chunkpos = 0;
- }
- else dc->seekError = 1;
- dc->seek = 0;
- }
- ret = ov_read(&vf, chunk+chunkpos,
- OGG_CHUNK_SIZE-chunkpos,
- OGG_DECODE_USE_BIGENDIAN,
- 2, 1, &current_section);
-
- if(ret <= 0 && ret != OV_HOLE) {
- eof = 1;
- break;
- }
- if(ret == OV_HOLE) ret = 0;
-
- chunkpos+=ret;
-
- if(chunkpos >= OGG_CHUNK_SIZE) {
- if((test = ov_bitrate_instant(&vf))>0) {
- bitRate = test/1000;
- }
- doReplayGain(chunk,ret,&(dc->audioFormat),
- replayGainScale);
- sendDataToOutputBuffer(cb, inStream, dc,
- inStream->seekable, chunk, chunkpos,
- ov_time_tell(&vf), bitRate);
- if(dc->stop) break;
- chunkpos = 0;
- }
- }
-
- if(!dc->stop && chunkpos > 0) {
- sendDataToOutputBuffer(cb, NULL, dc, inStream->seekable, chunk, chunkpos,
- ov_time_tell(&vf), bitRate);
- }
-
- ov_clear(&vf);
-
- flushOutputBuffer(cb);
-
- /*if(dc->seek) {
- dc->seekError = 1;
- dc->seek = 0;
- }*/
-
- if(dc->stop) {
- dc->state = DECODE_STATE_STOP;
- dc->stop = 0;
- }
- else dc->state = DECODE_STATE_STOP;
- }
-
- return 0;
-}
-
-#endif
-/* vim:set shiftwidth=4 tabstop=8 expandtab: */