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Diffstat (limited to 'trunk/src/inputPlugins/audiofile_plugin.c')
| -rw-r--r-- | trunk/src/inputPlugins/audiofile_plugin.c | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/trunk/src/inputPlugins/audiofile_plugin.c b/trunk/src/inputPlugins/audiofile_plugin.c new file mode 100644 index 000000000..35fb48b8a --- /dev/null +++ b/trunk/src/inputPlugins/audiofile_plugin.c @@ -0,0 +1,188 @@ +/* the Music Player Daemon (MPD) + * Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com) + * 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> + +static 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; +} + +static int audiofile_decode(OutputBuffer * cb, DecoderControl * dc, char *path) +{ + int fs, frame_count; + AFfilehandle af_fp; + int bits; + mpd_uint16 bitRate; + struct stat st; + + if (stat(path, &st) < 0) { + ERROR("failed to stat: %s\n", path); + return -1; + } + + af_fp = afOpenFile(path, "r", NULL); + if (af_fp == AF_NULL_FILEHANDLE) { + ERROR("failed to open: %s\n", path); + return -1; + } + + afSetVirtualSampleFormat(af_fp, AF_DEFAULT_TRACK, + AF_SAMPFMT_TWOSCOMP, 16); + afGetVirtualSampleFormat(af_fp, AF_DEFAULT_TRACK, &fs, &bits); + dc->audioFormat.bits = bits; + dc->audioFormat.sampleRate = afGetRate(af_fp, AF_DEFAULT_TRACK); + dc->audioFormat.channels = afGetVirtualChannels(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", + path, dc->audioFormat.bits); + afCloseFile(af_fp); + return -1; + } + + fs = (int)afGetVirtualFrameSize(af_fp, AF_DEFAULT_TRACK, 1); + + dc->state = DECODE_STATE_DECODE; + { + int ret, eof = 0, current = 0; + 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, + NULL); + 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; +} + +static MpdTag *audiofileTagDup(char *file) +{ + MpdTag *ret = NULL; + int time = getAudiofileTotalTime(file); + + if (time >= 0) { + if (!ret) + ret = newMpdTag(); + ret->time = time; + } else { + DEBUG + ("audiofileTagDup: Failed to get total song time from: %s\n", + file); + } + + return ret; +} + +static char *audiofileSuffixes[] = { "wav", "au", "aiff", "aif", NULL }; + +InputPlugin audiofilePlugin = { + "audiofile", + NULL, + NULL, + NULL, + NULL, + audiofile_decode, + audiofileTagDup, + INPUT_PLUGIN_STREAM_FILE, + audiofileSuffixes, + NULL +}; + +#else + +InputPlugin audiofilePlugin; + +#endif /* HAVE_AUDIOFILE */ |