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Diffstat (limited to '')
| -rw-r--r-- | trunk/src/outputBuffer.c | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/trunk/src/outputBuffer.c b/trunk/src/outputBuffer.c deleted file mode 100644 index c7ff8b479..000000000 --- a/trunk/src/outputBuffer.c +++ /dev/null @@ -1,198 +0,0 @@ -/* 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 - * - * 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 "outputBuffer.h" - -#include "pcm_utils.h" -#include "playerData.h" -#include "utils.h" -#include "log.h" -#include "normalize.h" -#include "conf.h" - -#include <string.h> - -static mpd_sint16 currentChunk = -1; - -static mpd_sint8 currentMetaChunk = -1; -static mpd_sint8 sendMetaChunk; - -void clearAllMetaChunkSets(OutputBuffer * cb) -{ - memset(cb->metaChunkSet, 0, BUFFERED_METACHUNKS); -} - -void clearOutputBuffer(OutputBuffer * cb) -{ - int currentSet = 1; - - cb->end = cb->begin; - - /* be sure to reset metaChunkSets cause we are skipping over audio - * audio chunks, and thus skipping over metadata */ - if (currentChunk >= 0 && sendMetaChunk == 0 && currentMetaChunk >= 0) { - currentSet = cb->metaChunkSet[currentChunk]; - } - clearAllMetaChunkSets(cb); - if (currentChunk >= 0 && sendMetaChunk == 0 && currentMetaChunk >= 0) { - cb->metaChunkSet[currentChunk] = currentSet; - } - currentChunk = -1; -} - -void flushOutputBuffer(OutputBuffer * cb) -{ - if (currentChunk == cb->end) { - if ((cb->end + 1) >= buffered_chunks) { - cb->end = 0; - } - else cb->end++; - currentChunk = -1; - } -} - -int sendDataToOutputBuffer(OutputBuffer * cb, InputStream * inStream, - DecoderControl * dc, int seekable, void *dataIn, - long dataInLen, float time, mpd_uint16 bitRate, - ReplayGainInfo * replayGainInfo) -{ - mpd_uint16 dataToSend; - mpd_uint16 chunkLeft; - char *data; - size_t datalen; - static char *convBuffer; - static long convBufferLen; - - if (cmpAudioFormat(&(cb->audioFormat), &(dc->audioFormat)) == 0) { - data = dataIn; - datalen = dataInLen; - } else { - datalen = pcm_sizeOfConvBuffer(&(dc->audioFormat), dataInLen, - &(cb->audioFormat)); - if (datalen > convBufferLen) { - convBuffer = xrealloc(convBuffer, datalen); - convBufferLen = datalen; - } - data = convBuffer; - datalen = pcm_convertAudioFormat(&(dc->audioFormat), dataIn, - dataInLen, &(cb->audioFormat), - data, &(cb->convState)); - } - - if (replayGainInfo && (replayGainState != REPLAYGAIN_OFF)) - doReplayGain(replayGainInfo, data, datalen, &cb->audioFormat); - else if (normalizationEnabled) - normalizeData(data, datalen, &cb->audioFormat); - - while (datalen) { - if (currentChunk != cb->end) { - int next = cb->end + 1; - if (next >= buffered_chunks) { - next = 0; - } - while (cb->begin == next && !dc->stop) { - if (dc->seek) { - if (seekable) { - return OUTPUT_BUFFER_DC_SEEK; - } else { - dc->seekError = 1; - dc->seek = 0; - } - } - if (!inStream || - bufferInputStream(inStream) <= 0) { - my_usleep(10000); - } - } - if (dc->stop) - return OUTPUT_BUFFER_DC_STOP; - - currentChunk = cb->end; - cb->chunkSize[currentChunk] = 0; - - if (sendMetaChunk) { - cb->metaChunk[currentChunk] = currentMetaChunk; - } else - cb->metaChunk[currentChunk] = -1; - cb->bitRate[currentChunk] = bitRate; - cb->times[currentChunk] = time; - } - - chunkLeft = CHUNK_SIZE - cb->chunkSize[currentChunk]; - dataToSend = datalen > chunkLeft ? chunkLeft : datalen; - - memcpy(cb->chunks + currentChunk * CHUNK_SIZE + - cb->chunkSize[currentChunk], data, dataToSend); - cb->chunkSize[currentChunk] += dataToSend; - datalen -= dataToSend; - data += dataToSend; - - if (cb->chunkSize[currentChunk] == CHUNK_SIZE) { - flushOutputBuffer(cb); - } - } - - return 0; -} - -int copyMpdTagToOutputBuffer(OutputBuffer * cb, MpdTag * tag) -{ - int nextChunk; - static MpdTag *last; - - if (!cb->acceptMetadata || !tag) { - sendMetaChunk = 0; - if (last) - freeMpdTag(last); - last = NULL; - DEBUG("copyMpdTagToOB: !acceptMetadata || !tag\n"); - return 0; - } - - if (last && mpdTagsAreEqual(last, tag)) { - DEBUG("copyMpdTagToOB: same as last\n"); - return 0; - } - - if (last) - freeMpdTag(last); - last = NULL; - - nextChunk = currentMetaChunk + 1; - if (nextChunk >= BUFFERED_METACHUNKS) - nextChunk = 0; - - if (cb->metaChunkSet[nextChunk]) { - sendMetaChunk = 0; - DEBUG("copyMpdTagToOB: metachunk in use!\n"); - return -1; - } - - sendMetaChunk = 1; - currentMetaChunk = nextChunk; - - last = mpdTagDup(tag); - - copyMpdTagToMetadataChunk(tag, &(cb->metadataChunks[currentMetaChunk])); - - cb->metaChunkSet[nextChunk] = 1; - - DEBUG("copyMpdTagToOB: copiedTag\n"); - - return 0; -} |