From fd6aa253594e18877ca2380961c0425a7de21b2e Mon Sep 17 00:00:00 2001 From: Warren Dukes Date: Mon, 31 May 2004 01:21:17 +0000 Subject: mp3 and ogg plugin stuff git-svn-id: https://svn.musicpd.org/mpd/trunk@1245 09075e82-0dd4-0310-85a5-a0d7c8717e4f --- src/ogg_decode.c | 278 ------------------------------------------------------- 1 file changed, 278 deletions(-) delete mode 100644 src/ogg_decode.c (limited to 'src/ogg_decode.c') 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 -#include -#include -#include -#include -#include - -#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, ¤t_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: */ -- cgit v1.2.3