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| -rw-r--r-- | src/outputBuffer.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/outputBuffer.c b/src/outputBuffer.c new file mode 100644 index 000000000..507c6fc01 --- /dev/null +++ b/src/outputBuffer.c @@ -0,0 +1,66 @@ +/* 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 "outputBuffer.h" + +#include "pcm_utils.h" +#include "playerData.h" +#include "log.h" +#include "utils.h" + +#include <string.h> +#include <errno.h> + +#define OUTPUT_BUFFER_DC_STOP -1 +#define OUTPUT_BUFFER_DC_SEEK -2 + +long sendDataToOutputBuffer(Buffer * cb, DecoderControl * dc, int flushAllData, + char * data, long datalen, float time, mpd_uint16 bitRate) +{ + long dataSent = 0; + long dataToSend; + + while(datalen >= CHUNK_SIZE || (flushAllData && datalen)) { + dataToSend = datalen > CHUNK_SIZE ? CHUNK_SIZE : datalen; + + while(cb->begin==cb->end && cb->wrap && !dc->stop && !dc->seek) + my_usleep(10000); + if(dc->stop) return OUTPUT_BUFFER_DC_STOP; + /* just for now, so it doesn't hang */ + if(dc->seek) return OUTPUT_BUFFER_DC_SEEK; + /* be sure to remove this! */ + + memcpy(cb->chunks+cb->end*CHUNK_SIZE,data,dataToSend); + cb->chunkSize[cb->end] = dataToSend; + cb->bitRate[cb->end] = bitRate; + cb->times[cb->end] = time; + + cb->end++; + if(cb->end>=buffered_chunks) { + cb->end = 0; + cb->wrap = 1; + } + + datalen-= dataToSend; + dataSent+= dataToSend; + data+= dataToSend; + } + + return dataSent; +} +/* vim:set shiftwidth=4 tabstop=8 expandtab: */ |