diff options
Diffstat (limited to 'src/inputPlugins')
| -rw-r--r-- | src/inputPlugins/audiofile_plugin.c | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/src/inputPlugins/audiofile_plugin.c b/src/inputPlugins/audiofile_plugin.c new file mode 100644 index 000000000..8c1089e1b --- /dev/null +++ b/src/inputPlugins/audiofile_plugin.c @@ -0,0 +1,180 @@ +/* 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 + * + * libaudiofile (wave) support added by Eric Wong <normalperson@yhbt.net> + * + * 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 "../inputPlugin.h" + +#ifdef HAVE_AUDIOFILE + +#include "../utils.h" +#include "../audio.h" +#include "../log.h" +#include "../pcm_utils.h" +#include "../playerData.h" + +#include <stdio.h> +#include <unistd.h> +#include <stdlib.h> +#include <string.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> +#include <audiofile.h> + +int getAudiofileTotalTime(char * file) +{ + int time; + AFfilehandle af_fp = afOpenFile(file, "r", NULL); + if(af_fp == AF_NULL_FILEHANDLE) { + return -1; + } + time = (int) + ((double)afGetFrameCount(af_fp,AF_DEFAULT_TRACK) + /afGetRate(af_fp,AF_DEFAULT_TRACK)); + afCloseFile(af_fp); + return time; +} + +int audiofile_decode(OutputBuffer * cb, DecoderControl * dc) { + int fs, frame_count; + AFfilehandle af_fp; + int bits; + mpd_uint16 bitRate; + struct stat st; + + if(stat(dc->file,&st) < 0) { + ERROR("failed to stat: %s\n",dc->file); + return -1; + } + + af_fp = afOpenFile(dc->file,"r", NULL); + if(af_fp == AF_NULL_FILEHANDLE) { + ERROR("failed to open: %s\n",dc->file); + return -1; + } + + afGetSampleFormat(af_fp, AF_DEFAULT_TRACK, &fs, &bits); + dc->audioFormat.bits = bits; + dc->audioFormat.sampleRate = afGetRate(af_fp, AF_DEFAULT_TRACK); + dc->audioFormat.channels = afGetChannels(af_fp,AF_DEFAULT_TRACK); + getOutputAudioFormat(&(dc->audioFormat),&(cb->audioFormat)); + + frame_count = afGetFrameCount(af_fp,AF_DEFAULT_TRACK); + + dc->totalTime = ((float)frame_count/(float)dc->audioFormat.sampleRate); + + bitRate = st.st_size*8.0/dc->totalTime/1000.0+0.5; + + if (dc->audioFormat.bits != 8 && dc->audioFormat.bits != 16) { + ERROR("Only 8 and 16-bit files are supported. %s is %i-bit\n", + dc->file,dc->audioFormat.bits); + afCloseFile(af_fp); + return -1; + } + + fs = (int)afGetFrameSize(af_fp, AF_DEFAULT_TRACK,1); + + dc->state = DECODE_STATE_DECODE; + { + int ret, eof = 0, current = 0; + unsigned char chunk[CHUNK_SIZE]; + + while(!eof) { + if(dc->seek) { + clearOutputBuffer(cb); + current = dc->seekWhere * + dc->audioFormat.sampleRate; + afSeekFrame(af_fp, AF_DEFAULT_TRACK,current); + dc->seek = 0; + } + + ret = afReadFrames(af_fp, AF_DEFAULT_TRACK, chunk, CHUNK_SIZE/fs); + if(ret<=0) eof = 1; + else { + current += ret; + sendDataToOutputBuffer(cb, + NULL, + dc, + 1, + chunk, + ret*fs, + (float)current / + (float)dc->audioFormat.sampleRate, + bitRate); + if(dc->stop) break; + } + } + + 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; + } + afCloseFile(af_fp); + + return 0; +} + +MpdTag * audiofileTagDup(char * file) { + MpdTag * ret = NULL; + int time = getAudiofileTotalTime(file); + + if (time>=0) { + if(!ret) ret = newMpdTag(); + ret->time = time; + } + + return ret; +} + +char * audiofileSuffixes[] = {"wav", NULL}; + +InputPlugin audiofilePlugin = +{ + "audiofile", + NULL, + audiofile_decode, + audiofileTagDup, + INPUT_PLUGIN_STREAM_FILE, + audiofileSuffixes, + NULL +}; + +#else + +InputPlugin audiofilePlugin = +{ + NULL, + NULL, + NULL, + NULL, + 0, + NULL, + NULL +}; + +#endif /* HAVE_AUDIOFILE */ |