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Diffstat (limited to 'trunk/src/inputPlugins/_flac_common.h')
| -rw-r--r-- | trunk/src/inputPlugins/_flac_common.h | 187 |
1 files changed, 187 insertions, 0 deletions
diff --git a/trunk/src/inputPlugins/_flac_common.h b/trunk/src/inputPlugins/_flac_common.h new file mode 100644 index 000000000..e04e70693 --- /dev/null +++ b/trunk/src/inputPlugins/_flac_common.h @@ -0,0 +1,187 @@ +/* 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 + * + * Common data structures and functions used by FLAC and OggFLAC + * (c) 2005 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 + */ + +#ifndef _FLAC_COMMON_H +#define _FLAC_COMMON_H + +#include "../inputPlugin.h" + +#if defined(HAVE_FLAC) || defined(HAVE_OGGFLAC) + +#include "../tag.h" +#include "../inputStream.h" +#include "../outputBuffer.h" +#include "../decode.h" +#include <FLAC/export.h> +#if !defined(FLAC_API_VERSION_CURRENT) || FLAC_API_VERSION_CURRENT <= 7 +# include <FLAC/seekable_stream_decoder.h> +# define flac_decoder FLAC__SeekableStreamDecoder +# define flac_new() FLAC__seekable_stream_decoder_new() + +# define flac_ogg_init(a,b,c,d,e,f,g,h,i,j) (0) + +# define flac_get_decode_position(x,y) \ + FLAC__seekable_stream_decoder_get_decode_position(x,y) +# define flac_get_state(x) FLAC__seekable_stream_decoder_get_state(x) +# define flac_process_single(x) FLAC__seekable_stream_decoder_process_single(x) +# define flac_process_metadata(x) \ + FLAC__seekable_stream_decoder_process_until_end_of_metadata(x) +# define flac_seek_absolute(x,y) \ + FLAC__seekable_stream_decoder_seek_absolute(x,y) +# define flac_finish(x) FLAC__seekable_stream_decoder_finish(x) +# define flac_delete(x) FLAC__seekable_stream_decoder_delete(x) + +# define flac_decoder_eof FLAC__SEEKABLE_STREAM_DECODER_END_OF_STREAM + +typedef unsigned flac_read_status_size_t; +# define flac_read_status FLAC__SeekableStreamDecoderReadStatus +# define flac_read_status_continue \ + FLAC__SEEKABLE_STREAM_DECODER_READ_STATUS_OK +# define flac_read_status_eof FLAC__SEEKABLE_STREAM_DECODER_READ_STATUS_OK +# define flac_read_status_abort \ + FLAC__SEEKABLE_STREAM_DECODER_READ_STATUS_ERROR + +# define flac_seek_status FLAC__SeekableStreamDecoderSeekStatus +# define flac_seek_status_ok FLAC__SEEKABLE_STREAM_DECODER_SEEK_STATUS_OK +# define flac_seek_status_error FLAC__SEEKABLE_STREAM_DECODER_SEEK_STATUS_ERROR + +# define flac_tell_status FLAC__SeekableStreamDecoderTellStatus +# define flac_tell_status_ok FLAC__SEEKABLE_STREAM_DECODER_TELL_STATUS_OK +# define flac_tell_status_error \ + FLAC__SEEKABLE_STREAM_DECODER_TELL_STATUS_ERROR +# define flac_tell_status_unsupported \ + FLAC__SEEKABLE_STREAM_DECODER_TELL_STATUS_ERROR + +# define flac_length_status FLAC__SeekableStreamDecoderLengthStatus +# define flac_length_status_ok FLAC__SEEKABLE_STREAM_DECODER_LENGTH_STATUS_OK +# define flac_length_status_error \ + FLAC__SEEKABLE_STREAM_DECODER_LENGTH_STATUS_ERROR +# define flac_length_status_unsupported \ + FLAC__SEEKABLE_STREAM_DECODER_LENGTH_STATUS_ERROR + +# ifdef HAVE_OGGFLAC +# include <OggFLAC/seekable_stream_decoder.h> +# endif +#else /* FLAC_API_VERSION_CURRENT >= 7 */ + + /* OggFLAC support is handled by our flac_plugin already, and + * thus we *can* always have it if libFLAC was compiled with it */ +# ifndef HAVE_OGGFLAC +# define HAVE_OGGFLAC 1 +# endif +# include "_ogg_common.h" +# undef HAVE_OGGFLAC /* we don't need this defined anymore */ + +# include <FLAC/stream_decoder.h> +# define flac_decoder FLAC__StreamDecoder +# define flac_new() FLAC__stream_decoder_new() + +# define flac_init(a,b,c,d,e,f,g,h,i,j) \ + (FLAC__stream_decoder_init_stream(a,b,c,d,e,f,g,h,i,j) \ + == FLAC__STREAM_DECODER_INIT_STATUS_OK) +# define flac_ogg_init(a,b,c,d,e,f,g,h,i,j) \ + (FLAC__stream_decoder_init_ogg_stream(a,b,c,d,e,f,g,h,i,j) \ + == FLAC__STREAM_DECODER_INIT_STATUS_OK) + +# define flac_get_decode_position(x,y) \ + FLAC__stream_decoder_get_decode_position(x,y) +# define flac_get_state(x) FLAC__stream_decoder_get_state(x) +# define flac_process_single(x) FLAC__stream_decoder_process_single(x) +# define flac_process_metadata(x) \ + FLAC__stream_decoder_process_until_end_of_metadata(x) +# define flac_seek_absolute(x,y) FLAC__stream_decoder_seek_absolute(x,y) +# define flac_finish(x) FLAC__stream_decoder_finish(x) +# define flac_delete(x) FLAC__stream_decoder_delete(x) + +# define flac_decoder_eof FLAC__STREAM_DECODER_END_OF_STREAM + +typedef size_t flac_read_status_size_t; +# define flac_read_status FLAC__StreamDecoderReadStatus +# define flac_read_status_continue \ + FLAC__STREAM_DECODER_READ_STATUS_CONTINUE +# define flac_read_status_eof FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM +# define flac_read_status_abort FLAC__STREAM_DECODER_READ_STATUS_ABORT + +# define flac_seek_status FLAC__StreamDecoderSeekStatus +# define flac_seek_status_ok FLAC__STREAM_DECODER_SEEK_STATUS_OK +# define flac_seek_status_error FLAC__STREAM_DECODER_SEEK_STATUS_ERROR +# define flac_seek_status_unsupported \ + FLAC__STREAM_DECODER_SEEK_STATUS_UNSUPPORTED + +# define flac_tell_status FLAC__StreamDecoderTellStatus +# define flac_tell_status_ok FLAC__STREAM_DECODER_TELL_STATUS_OK +# define flac_tell_status_error FLAC__STREAM_DECODER_TELL_STATUS_ERROR +# define flac_tell_status_unsupported \ + FLAC__STREAM_DECODER_TELL_STATUS_UNSUPPORTED + +# define flac_length_status FLAC__StreamDecoderLengthStatus +# define flac_length_status_ok FLAC__STREAM_DECODER_LENGTH_STATUS_OK +# define flac_length_status_error FLAC__STREAM_DECODER_LENGTH_STATUS_ERROR +# define flac_length_status_unsupported \ + FLAC__STREAM_DECODER_LENGTH_STATUS_UNSUPPORTED + +#endif /* FLAC_API_VERSION_CURRENT >= 7 */ + +#include <FLAC/metadata.h> + +#define FLAC_CHUNK_SIZE 4080 + +typedef struct { + unsigned char chunk[FLAC_CHUNK_SIZE]; + int chunk_length; + float time; + int bitRate; + FLAC__uint64 position; + OutputBuffer *cb; + DecoderControl *dc; + InputStream *inStream; + ReplayGainInfo *replayGainInfo; + MpdTag *tag; +} FlacData; + +/* initializes a given FlacData struct */ +void init_FlacData(FlacData * data, OutputBuffer * cb, + DecoderControl * dc, InputStream * inStream); +void flac_metadata_common_cb(const FLAC__StreamMetadata * block, + FlacData * data); +void flac_error_common_cb(const char *plugin, + FLAC__StreamDecoderErrorStatus status, + FlacData * data); + +MpdTag *copyVorbisCommentBlockToMpdTag(const FLAC__StreamMetadata * block, + MpdTag * tag); + +/* keep this inlined, this is just macro but prettier :) */ +static inline int flacSendChunk(FlacData * data) +{ + if (sendDataToOutputBuffer(data->cb, NULL, data->dc, 1, data->chunk, + data->chunk_length, data->time, + data->bitRate, + data->replayGainInfo) == + OUTPUT_BUFFER_DC_STOP) + return -1; + + return 0; +} + +#endif /* HAVE_FLAC || HAVE_OGGFLAC */ + +#endif /* _FLAC_COMMON_H */ |