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
459
src/decoder/flac_plugin.c
Normal file
459
src/decoder/flac_plugin.c
Normal file
@@ -0,0 +1,459 @@
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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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* 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 "../utils.h"
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#include "../log.h"
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#include <assert.h>
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/* this code was based on flac123, from flac-tools */
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static flac_read_status flacRead(mpd_unused const flac_decoder * flacDec,
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FLAC__byte buf[],
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flac_read_status_size_t *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) {
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if (decoder_get_command(data->decoder) != DECODE_COMMAND_NONE ||
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inputStreamAtEOF(data->inStream))
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return flac_read_status_eof;
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else
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return flac_read_status_abort;
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}
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return flac_read_status_continue;
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}
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static flac_seek_status flacSeek(mpd_unused const flac_decoder * flacDec,
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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 flac_seek_status_error;
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}
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return flac_seek_status_ok;
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}
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static flac_tell_status flacTell(mpd_unused const flac_decoder * flacDec,
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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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*offset = (long)(data->inStream->offset);
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return flac_tell_status_ok;
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}
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static flac_length_status flacLength(mpd_unused const flac_decoder * flacDec,
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FLAC__uint64 * 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 flac_length_status_ok;
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}
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static FLAC__bool flacEOF(mpd_unused const flac_decoder * flacDec, 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 flacError(mpd_unused const flac_decoder *dec,
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FLAC__StreamDecoderErrorStatus status, void *fdata)
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{
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flac_error_common_cb("flac", status, (FlacData *) fdata);
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}
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#if !defined(FLAC_API_VERSION_CURRENT) || FLAC_API_VERSION_CURRENT <= 7
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static void flacPrintErroredState(FLAC__SeekableStreamDecoderState state)
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{
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const char *str = ""; /* "" to silence compiler warning */
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switch (state) {
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case FLAC__SEEKABLE_STREAM_DECODER_OK:
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case FLAC__SEEKABLE_STREAM_DECODER_SEEKING:
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case FLAC__SEEKABLE_STREAM_DECODER_END_OF_STREAM:
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return;
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case FLAC__SEEKABLE_STREAM_DECODER_MEMORY_ALLOCATION_ERROR:
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str = "allocation error";
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break;
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case FLAC__SEEKABLE_STREAM_DECODER_READ_ERROR:
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str = "read error";
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break;
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case FLAC__SEEKABLE_STREAM_DECODER_SEEK_ERROR:
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str = "seek error";
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break;
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case FLAC__SEEKABLE_STREAM_DECODER_STREAM_DECODER_ERROR:
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str = "seekable stream error";
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break;
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case FLAC__SEEKABLE_STREAM_DECODER_ALREADY_INITIALIZED:
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str = "decoder already initialized";
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break;
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case FLAC__SEEKABLE_STREAM_DECODER_INVALID_CALLBACK:
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str = "invalid callback";
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break;
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case FLAC__SEEKABLE_STREAM_DECODER_UNINITIALIZED:
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str = "decoder uninitialized";
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}
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ERROR("flac %s\n", str);
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}
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static int flac_init(FLAC__SeekableStreamDecoder *dec,
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FLAC__SeekableStreamDecoderReadCallback read_cb,
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FLAC__SeekableStreamDecoderSeekCallback seek_cb,
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FLAC__SeekableStreamDecoderTellCallback tell_cb,
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FLAC__SeekableStreamDecoderLengthCallback length_cb,
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FLAC__SeekableStreamDecoderEofCallback eof_cb,
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FLAC__SeekableStreamDecoderWriteCallback write_cb,
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FLAC__SeekableStreamDecoderMetadataCallback metadata_cb,
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FLAC__SeekableStreamDecoderErrorCallback error_cb,
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void *data)
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{
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int s = 1;
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s &= FLAC__seekable_stream_decoder_set_read_callback(dec, read_cb);
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s &= FLAC__seekable_stream_decoder_set_seek_callback(dec, seek_cb);
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s &= FLAC__seekable_stream_decoder_set_tell_callback(dec, tell_cb);
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s &= FLAC__seekable_stream_decoder_set_length_callback(dec, length_cb);
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s &= FLAC__seekable_stream_decoder_set_eof_callback(dec, eof_cb);
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s &= FLAC__seekable_stream_decoder_set_write_callback(dec, write_cb);
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s &= FLAC__seekable_stream_decoder_set_metadata_callback(dec,
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metadata_cb);
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s &= FLAC__seekable_stream_decoder_set_metadata_respond(dec,
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FLAC__METADATA_TYPE_VORBIS_COMMENT);
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s &= FLAC__seekable_stream_decoder_set_error_callback(dec, error_cb);
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s &= FLAC__seekable_stream_decoder_set_client_data(dec, data);
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if (!s || (FLAC__seekable_stream_decoder_init(dec) !=
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FLAC__SEEKABLE_STREAM_DECODER_OK))
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return 0;
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return 1;
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}
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#else /* FLAC_API_VERSION_CURRENT >= 7 */
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static void flacPrintErroredState(FLAC__StreamDecoderState state)
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{
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const char *str = ""; /* "" to silence compiler warning */
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switch (state) {
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case FLAC__STREAM_DECODER_SEARCH_FOR_METADATA:
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case FLAC__STREAM_DECODER_READ_METADATA:
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case FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC:
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case FLAC__STREAM_DECODER_READ_FRAME:
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case FLAC__STREAM_DECODER_END_OF_STREAM:
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return;
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case FLAC__STREAM_DECODER_OGG_ERROR:
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str = "error in the Ogg layer";
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break;
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case FLAC__STREAM_DECODER_SEEK_ERROR:
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str = "seek error";
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break;
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case FLAC__STREAM_DECODER_ABORTED:
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str = "decoder aborted by read";
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break;
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case FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR:
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str = "allocation error";
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break;
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case FLAC__STREAM_DECODER_UNINITIALIZED:
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str = "decoder uninitialized";
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}
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ERROR("flac %s\n", str);
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}
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#endif /* FLAC_API_VERSION_CURRENT >= 7 */
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static void flacMetadata(mpd_unused const flac_decoder * dec,
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const FLAC__StreamMetadata * block, 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 FLAC__StreamDecoderWriteStatus flacWrite(const flac_decoder *dec,
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const FLAC__Frame * frame,
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const FLAC__int32 * const buf[],
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void *vdata)
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{
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FLAC__uint32 samples = frame->header.blocksize;
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FlacData *data = (FlacData *) vdata;
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float timeChange;
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FLAC__uint64 newPosition = 0;
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timeChange = ((float)samples) / frame->header.sample_rate;
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data->time += timeChange;
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flac_get_decode_position(dec, &newPosition);
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if (data->position && newPosition >= data->position) {
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assert(timeChange >= 0);
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data->bitRate =
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((newPosition - data->position) * 8.0 / timeChange)
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/ 1000 + 0.5;
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}
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data->position = newPosition;
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return flac_common_write(data, frame, buf);
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}
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static struct tag *flacMetadataDup(char *file, int *vorbisCommentFound)
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{
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struct tag *ret = NULL;
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FLAC__Metadata_SimpleIterator *it;
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FLAC__StreamMetadata *block = NULL;
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*vorbisCommentFound = 0;
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it = FLAC__metadata_simple_iterator_new();
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if (!FLAC__metadata_simple_iterator_init(it, file, 1, 0)) {
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const char *err;
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FLAC_API FLAC__Metadata_SimpleIteratorStatus s;
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s = FLAC__metadata_simple_iterator_status(it);
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switch (s) { /* slightly more human-friendly messages: */
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case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT:
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err = "illegal input";
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break;
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case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ERROR_OPENING_FILE:
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err = "error opening file";
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break;
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case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_NOT_A_FLAC_FILE:
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err = "not a FLAC file";
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break;
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default:
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err = FLAC__Metadata_SimpleIteratorStatusString[s];
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}
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DEBUG("flacMetadataDup: Reading '%s' "
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"metadata gave the following error: %s\n",
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file, err);
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FLAC__metadata_simple_iterator_delete(it);
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return ret;
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}
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do {
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block = FLAC__metadata_simple_iterator_get_block(it);
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if (!block)
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break;
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if (block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) {
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ret = copyVorbisCommentBlockToMpdTag(block, ret);
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if (ret)
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*vorbisCommentFound = 1;
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} else if (block->type == FLAC__METADATA_TYPE_STREAMINFO) {
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if (!ret)
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ret = tag_new();
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ret->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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}
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FLAC__metadata_object_delete(block);
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} while (FLAC__metadata_simple_iterator_next(it));
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FLAC__metadata_simple_iterator_delete(it);
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return ret;
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}
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static struct tag *flacTagDup(char *file)
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{
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struct tag *ret = NULL;
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int foundVorbisComment = 0;
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ret = flacMetadataDup(file, &foundVorbisComment);
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||||
if (!ret) {
|
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DEBUG("flacTagDup: Failed to grab information from: %s\n",
|
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file);
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return NULL;
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}
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if (!foundVorbisComment) {
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struct tag *temp = tag_id3_load(file);
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if (temp) {
|
||||
temp->time = ret->time;
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||||
tag_free(ret);
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||||
ret = temp;
|
||||
}
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int flac_decode_internal(struct decoder * decoder,
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InputStream * inStream, int is_ogg)
|
||||
{
|
||||
flac_decoder *flacDec;
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||||
FlacData data;
|
||||
const char *err = NULL;
|
||||
|
||||
if (!(flacDec = flac_new()))
|
||||
return -1;
|
||||
init_FlacData(&data, decoder, inStream);
|
||||
|
||||
#if defined(FLAC_API_VERSION_CURRENT) && FLAC_API_VERSION_CURRENT > 7
|
||||
if(!FLAC__stream_decoder_set_metadata_respond(flacDec, FLAC__METADATA_TYPE_VORBIS_COMMENT))
|
||||
{
|
||||
DEBUG(__FILE__": Failed to set metadata respond\n");
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
if (is_ogg) {
|
||||
if (!flac_ogg_init(flacDec, flacRead, flacSeek, flacTell,
|
||||
flacLength, flacEOF, flacWrite, flacMetadata,
|
||||
flacError, (void *)&data)) {
|
||||
err = "doing Ogg init()";
|
||||
goto fail;
|
||||
}
|
||||
} else {
|
||||
if (!flac_init(flacDec, flacRead, flacSeek, flacTell,
|
||||
flacLength, flacEOF, flacWrite, flacMetadata,
|
||||
flacError, (void *)&data)) {
|
||||
err = "doing init()";
|
||||
goto fail;
|
||||
}
|
||||
if (!flac_process_metadata(flacDec)) {
|
||||
err = "problem reading metadata";
|
||||
goto fail;
|
||||
}
|
||||
}
|
||||
|
||||
decoder_initialized(decoder, &data.audio_format, data.total_time);
|
||||
|
||||
while (1) {
|
||||
if (!flac_process_single(flacDec))
|
||||
break;
|
||||
if (decoder_get_command(decoder) == DECODE_COMMAND_SEEK) {
|
||||
FLAC__uint64 sampleToSeek = decoder_seek_where(decoder) *
|
||||
data.audio_format.sample_rate + 0.5;
|
||||
if (flac_seek_absolute(flacDec, sampleToSeek)) {
|
||||
decoder_clear(decoder);
|
||||
data.time = ((float)sampleToSeek) /
|
||||
data.audio_format.sample_rate;
|
||||
data.position = 0;
|
||||
decoder_command_finished(decoder);
|
||||
} else
|
||||
decoder_seek_error(decoder);
|
||||
} else if (flac_get_state(flacDec) == flac_decoder_eof)
|
||||
break;
|
||||
}
|
||||
if (decoder_get_command(decoder) != DECODE_COMMAND_STOP) {
|
||||
flacPrintErroredState(flac_get_state(flacDec));
|
||||
flac_finish(flacDec);
|
||||
}
|
||||
|
||||
fail:
|
||||
if (data.replayGainInfo)
|
||||
freeReplayGainInfo(data.replayGainInfo);
|
||||
|
||||
if (flacDec)
|
||||
flac_delete(flacDec);
|
||||
|
||||
if (err) {
|
||||
ERROR("flac %s\n", err);
|
||||
return -1;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int flac_decode(struct decoder * decoder, InputStream * inStream)
|
||||
{
|
||||
return flac_decode_internal(decoder, inStream, 0);
|
||||
}
|
||||
|
||||
#if defined(FLAC_API_VERSION_CURRENT) && FLAC_API_VERSION_CURRENT > 7 && \
|
||||
!defined(HAVE_OGGFLAC)
|
||||
static struct tag *oggflac_tag_dup(char *file)
|
||||
{
|
||||
struct tag *ret = NULL;
|
||||
FLAC__Metadata_Iterator *it;
|
||||
FLAC__StreamMetadata *block;
|
||||
FLAC__Metadata_Chain *chain = FLAC__metadata_chain_new();
|
||||
|
||||
if (!(FLAC__metadata_chain_read_ogg(chain, file)))
|
||||
goto out;
|
||||
it = FLAC__metadata_iterator_new();
|
||||
FLAC__metadata_iterator_init(it, chain);
|
||||
do {
|
||||
if (!(block = FLAC__metadata_iterator_get_block(it)))
|
||||
break;
|
||||
if (block->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) {
|
||||
ret = copyVorbisCommentBlockToMpdTag(block, ret);
|
||||
} else if (block->type == FLAC__METADATA_TYPE_STREAMINFO) {
|
||||
if (!ret)
|
||||
ret = tag_new();
|
||||
ret->time = ((float)block->data.stream_info.
|
||||
total_samples) /
|
||||
block->data.stream_info.sample_rate + 0.5;
|
||||
}
|
||||
} while (FLAC__metadata_iterator_next(it));
|
||||
FLAC__metadata_iterator_delete(it);
|
||||
out:
|
||||
FLAC__metadata_chain_delete(chain);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int oggflac_decode(struct decoder *decoder, InputStream * inStream)
|
||||
{
|
||||
return flac_decode_internal(decoder, inStream, 1);
|
||||
}
|
||||
|
||||
static bool oggflac_try_decode(InputStream * inStream)
|
||||
{
|
||||
return FLAC_API_SUPPORTS_OGG_FLAC &&
|
||||
ogg_stream_type_detect(inStream) == FLAC;
|
||||
}
|
||||
|
||||
static const char *oggflac_suffixes[] = { "ogg", "oga", NULL };
|
||||
static const char *oggflac_mime_types[] = { "audio/x-flac+ogg",
|
||||
"application/ogg",
|
||||
"application/x-ogg",
|
||||
NULL };
|
||||
|
||||
struct decoder_plugin oggflacPlugin = {
|
||||
.name = "oggflac",
|
||||
.try_decode = oggflac_try_decode,
|
||||
.stream_decode = oggflac_decode,
|
||||
.tag_dup = oggflac_tag_dup,
|
||||
.stream_types = INPUT_PLUGIN_STREAM_URL | INPUT_PLUGIN_STREAM_FILE,
|
||||
.suffixes = oggflac_suffixes,
|
||||
.mime_types = oggflac_mime_types
|
||||
};
|
||||
|
||||
#endif /* FLAC_API_VERSION_CURRENT >= 7 */
|
||||
|
||||
static const char *flacSuffixes[] = { "flac", NULL };
|
||||
static const char *flac_mime_types[] = { "audio/x-flac",
|
||||
"application/x-flac",
|
||||
NULL };
|
||||
|
||||
struct decoder_plugin flacPlugin = {
|
||||
.name = "flac",
|
||||
.stream_decode = flac_decode,
|
||||
.tag_dup = flacTagDup,
|
||||
.stream_types = INPUT_PLUGIN_STREAM_URL | INPUT_PLUGIN_STREAM_FILE,
|
||||
.suffixes = flacSuffixes,
|
||||
.mime_types = flac_mime_types
|
||||
};
|
||||
Reference in New Issue
Block a user