renamed src/inputPlugins/ to src/decoder/
These plugins are not input plugins, they are decoder plugins. No CamelCase in the directory name.
This commit is contained in:
Max Kellermann
355
src/decoder/oggflac_plugin.c
Normal file
355
src/decoder/oggflac_plugin.c
Normal file
@@ -0,0 +1,355 @@
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/* the Music Player Daemon (MPD)
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* Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
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* This project's homepage is: http://www.musicpd.org
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*
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* OggFLAC support (half-stolen from flac_plugin.c :))
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* (c) 2005 by Eric Wong <normalperson@yhbt.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "_flac_common.h"
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#include "_ogg_common.h"
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#include "../utils.h"
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#include "../log.h"
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#include <OggFLAC/seekable_stream_decoder.h>
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static void oggflac_cleanup(FlacData * data,
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OggFLAC__SeekableStreamDecoder * decoder)
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{
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if (data->replayGainInfo)
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freeReplayGainInfo(data->replayGainInfo);
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if (decoder)
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OggFLAC__seekable_stream_decoder_delete(decoder);
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}
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static OggFLAC__SeekableStreamDecoderReadStatus of_read_cb(mpd_unused const
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OggFLAC__SeekableStreamDecoder
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* decoder,
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FLAC__byte buf[],
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unsigned *bytes,
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void *fdata)
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{
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FlacData *data = (FlacData *) fdata;
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size_t r;
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r = decoder_read(data->decoder, data->inStream, (void *)buf, *bytes);
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*bytes = r;
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if (r == 0 && !inputStreamAtEOF(data->inStream) &&
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decoder_get_command(data->decoder) == DECODE_COMMAND_NONE)
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return OggFLAC__SEEKABLE_STREAM_DECODER_READ_STATUS_ERROR;
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return OggFLAC__SEEKABLE_STREAM_DECODER_READ_STATUS_OK;
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}
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static OggFLAC__SeekableStreamDecoderSeekStatus of_seek_cb(mpd_unused const
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OggFLAC__SeekableStreamDecoder
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* decoder,
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FLAC__uint64 offset,
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void *fdata)
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{
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FlacData *data = (FlacData *) fdata;
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if (seekInputStream(data->inStream, offset, SEEK_SET) < 0) {
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return OggFLAC__SEEKABLE_STREAM_DECODER_SEEK_STATUS_ERROR;
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}
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return OggFLAC__SEEKABLE_STREAM_DECODER_SEEK_STATUS_OK;
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}
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static OggFLAC__SeekableStreamDecoderTellStatus of_tell_cb(mpd_unused const
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OggFLAC__SeekableStreamDecoder
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* decoder,
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FLAC__uint64 *
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offset, void *fdata)
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{
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FlacData *data = (FlacData *) fdata;
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*offset = (long)(data->inStream->offset);
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return OggFLAC__SEEKABLE_STREAM_DECODER_TELL_STATUS_OK;
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}
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static OggFLAC__SeekableStreamDecoderLengthStatus of_length_cb(mpd_unused const
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OggFLAC__SeekableStreamDecoder
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* decoder,
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FLAC__uint64 *
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length,
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void *fdata)
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{
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FlacData *data = (FlacData *) fdata;
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*length = (size_t) (data->inStream->size);
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return OggFLAC__SEEKABLE_STREAM_DECODER_LENGTH_STATUS_OK;
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}
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static FLAC__bool of_EOF_cb(mpd_unused const OggFLAC__SeekableStreamDecoder * decoder,
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void *fdata)
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{
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FlacData *data = (FlacData *) fdata;
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return (decoder_get_command(data->decoder) != DECODE_COMMAND_NONE &&
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decoder_get_command(data->decoder) != DECODE_COMMAND_SEEK) ||
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inputStreamAtEOF(data->inStream);
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}
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static void of_error_cb(mpd_unused const OggFLAC__SeekableStreamDecoder * decoder,
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FLAC__StreamDecoderErrorStatus status, void *fdata)
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{
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flac_error_common_cb("oggflac", status, (FlacData *) fdata);
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}
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static void oggflacPrintErroredState(OggFLAC__SeekableStreamDecoderState state)
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{
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switch (state) {
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case OggFLAC__SEEKABLE_STREAM_DECODER_MEMORY_ALLOCATION_ERROR:
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ERROR("oggflac allocation error\n");
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break;
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case OggFLAC__SEEKABLE_STREAM_DECODER_READ_ERROR:
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ERROR("oggflac read error\n");
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break;
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case OggFLAC__SEEKABLE_STREAM_DECODER_SEEK_ERROR:
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ERROR("oggflac seek error\n");
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break;
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case OggFLAC__SEEKABLE_STREAM_DECODER_STREAM_DECODER_ERROR:
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ERROR("oggflac seekable stream error\n");
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break;
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case OggFLAC__SEEKABLE_STREAM_DECODER_ALREADY_INITIALIZED:
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ERROR("oggflac decoder already initialized\n");
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break;
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case OggFLAC__SEEKABLE_STREAM_DECODER_INVALID_CALLBACK:
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ERROR("invalid oggflac callback\n");
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break;
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case OggFLAC__SEEKABLE_STREAM_DECODER_UNINITIALIZED:
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ERROR("oggflac decoder uninitialized\n");
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break;
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case OggFLAC__SEEKABLE_STREAM_DECODER_OK:
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case OggFLAC__SEEKABLE_STREAM_DECODER_SEEKING:
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case OggFLAC__SEEKABLE_STREAM_DECODER_END_OF_STREAM:
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break;
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}
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}
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static FLAC__StreamDecoderWriteStatus oggflacWrite(mpd_unused const
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OggFLAC__SeekableStreamDecoder
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* decoder,
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const FLAC__Frame * frame,
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const FLAC__int32 *
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const buf[], void *vdata)
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{
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FlacData *data = (FlacData *) vdata;
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FLAC__uint32 samples = frame->header.blocksize;
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float timeChange;
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timeChange = ((float)samples) / frame->header.sample_rate;
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data->time += timeChange;
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return flac_common_write(data, frame, buf);
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}
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/* used by TagDup */
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static void of_metadata_dup_cb(mpd_unused const OggFLAC__SeekableStreamDecoder * decoder,
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const FLAC__StreamMetadata * block, void *vdata)
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{
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FlacData *data = (FlacData *) vdata;
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switch (block->type) {
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case FLAC__METADATA_TYPE_STREAMINFO:
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if (!data->tag)
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data->tag = tag_new();
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data->tag->time = ((float)block->data.stream_info.
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total_samples) /
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block->data.stream_info.sample_rate + 0.5;
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return;
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case FLAC__METADATA_TYPE_VORBIS_COMMENT:
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copyVorbisCommentBlockToMpdTag(block, data->tag);
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default:
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break;
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}
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}
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/* used by decode */
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static void of_metadata_decode_cb(mpd_unused const OggFLAC__SeekableStreamDecoder * dec,
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const FLAC__StreamMetadata * block,
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void *vdata)
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{
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flac_metadata_common_cb(block, (FlacData *) vdata);
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}
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static OggFLAC__SeekableStreamDecoder
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* full_decoder_init_and_read_metadata(FlacData * data,
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unsigned int metadata_only)
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{
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OggFLAC__SeekableStreamDecoder *decoder = NULL;
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unsigned int s = 1;
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if (!(decoder = OggFLAC__seekable_stream_decoder_new()))
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return NULL;
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if (metadata_only) {
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s &= OggFLAC__seekable_stream_decoder_set_metadata_callback
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(decoder, of_metadata_dup_cb);
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s &= OggFLAC__seekable_stream_decoder_set_metadata_respond
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(decoder, FLAC__METADATA_TYPE_STREAMINFO);
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} else {
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s &= OggFLAC__seekable_stream_decoder_set_metadata_callback
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(decoder, of_metadata_decode_cb);
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}
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s &= OggFLAC__seekable_stream_decoder_set_read_callback(decoder,
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of_read_cb);
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s &= OggFLAC__seekable_stream_decoder_set_seek_callback(decoder,
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of_seek_cb);
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s &= OggFLAC__seekable_stream_decoder_set_tell_callback(decoder,
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of_tell_cb);
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s &= OggFLAC__seekable_stream_decoder_set_length_callback(decoder,
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of_length_cb);
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s &= OggFLAC__seekable_stream_decoder_set_eof_callback(decoder,
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of_EOF_cb);
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s &= OggFLAC__seekable_stream_decoder_set_write_callback(decoder,
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oggflacWrite);
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s &= OggFLAC__seekable_stream_decoder_set_metadata_respond(decoder,
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FLAC__METADATA_TYPE_VORBIS_COMMENT);
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s &= OggFLAC__seekable_stream_decoder_set_error_callback(decoder,
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of_error_cb);
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s &= OggFLAC__seekable_stream_decoder_set_client_data(decoder,
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(void *)data);
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if (!s) {
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ERROR("oggflac problem before init()\n");
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goto fail;
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}
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if (OggFLAC__seekable_stream_decoder_init(decoder) !=
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OggFLAC__SEEKABLE_STREAM_DECODER_OK) {
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ERROR("oggflac problem doing init()\n");
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goto fail;
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}
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if (!OggFLAC__seekable_stream_decoder_process_until_end_of_metadata
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(decoder)) {
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ERROR("oggflac problem reading metadata\n");
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goto fail;
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}
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return decoder;
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fail:
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oggflacPrintErroredState(OggFLAC__seekable_stream_decoder_get_state
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(decoder));
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OggFLAC__seekable_stream_decoder_delete(decoder);
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return NULL;
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}
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/* public functions: */
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static struct tag *oggflac_TagDup(char *file)
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{
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InputStream inStream;
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OggFLAC__SeekableStreamDecoder *decoder;
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FlacData data;
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if (openInputStream(&inStream, file) < 0)
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return NULL;
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if (ogg_stream_type_detect(&inStream) != FLAC) {
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closeInputStream(&inStream);
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return NULL;
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}
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init_FlacData(&data, NULL, &inStream);
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/* errors here won't matter,
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* data.tag will be set or unset, that's all we care about */
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decoder = full_decoder_init_and_read_metadata(&data, 1);
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oggflac_cleanup(&data, decoder);
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closeInputStream(&inStream);
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return data.tag;
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}
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static bool oggflac_try_decode(InputStream * inStream)
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{
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if (!inStream->seekable)
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/* we cannot seek after the detection, so don't bother
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checking */
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return true;
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return ogg_stream_type_detect(inStream) == FLAC;
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}
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static int oggflac_decode(struct decoder * mpd_decoder, InputStream * inStream)
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{
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OggFLAC__SeekableStreamDecoder *decoder = NULL;
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FlacData data;
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int ret = 0;
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init_FlacData(&data, mpd_decoder, inStream);
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if (!(decoder = full_decoder_init_and_read_metadata(&data, 0))) {
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ret = -1;
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goto fail;
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}
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decoder_initialized(mpd_decoder, &data.audio_format, data.total_time);
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while (1) {
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OggFLAC__seekable_stream_decoder_process_single(decoder);
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if (OggFLAC__seekable_stream_decoder_get_state(decoder) !=
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OggFLAC__SEEKABLE_STREAM_DECODER_OK) {
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break;
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}
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if (decoder_get_command(mpd_decoder) == DECODE_COMMAND_SEEK) {
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FLAC__uint64 sampleToSeek = decoder_seek_where(mpd_decoder) *
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data.audio_format.sample_rate + 0.5;
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if (OggFLAC__seekable_stream_decoder_seek_absolute
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(decoder, sampleToSeek)) {
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decoder_clear(mpd_decoder);
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data.time = ((float)sampleToSeek) /
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data.audio_format.sample_rate;
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data.position = 0;
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decoder_command_finished(mpd_decoder);
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} else
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decoder_seek_error(mpd_decoder);
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}
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}
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if (decoder_get_command(mpd_decoder) == DECODE_COMMAND_NONE) {
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oggflacPrintErroredState
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(OggFLAC__seekable_stream_decoder_get_state(decoder));
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OggFLAC__seekable_stream_decoder_finish(decoder);
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}
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fail:
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oggflac_cleanup(&data, decoder);
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return ret;
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}
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static const char *oggflac_Suffixes[] = { "ogg", "oga",NULL };
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static const char *oggflac_mime_types[] = { "audio/x-flac+ogg",
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"application/ogg",
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"application/x-ogg",
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NULL };
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struct decoder_plugin oggflacPlugin = {
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.name = "oggflac",
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.try_decode = oggflac_try_decode,
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.stream_decode = oggflac_decode,
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.tag_dup = oggflac_TagDup,
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.stream_types = INPUT_PLUGIN_STREAM_URL | INPUT_PLUGIN_STREAM_FILE,
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.suffixes = oggflac_Suffixes,
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.mime_types = oggflac_mime_types
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};
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Block a user