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-rw-r--r--src/inputPlugins/_flac_common.c323
1 files changed, 0 insertions, 323 deletions
diff --git a/src/inputPlugins/_flac_common.c b/src/inputPlugins/_flac_common.c
deleted file mode 100644
index db43e0003..000000000
--- a/src/inputPlugins/_flac_common.c
+++ /dev/null
@@ -1,323 +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
- *
- * 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
- */
-
-#include "_flac_common.h"
-#include "../log.h"
-
-#include <FLAC/format.h>
-#include <FLAC/metadata.h>
-
-void init_FlacData(FlacData * data, struct decoder * decoder,
- InputStream * inStream)
-{
- data->time = 0;
- data->position = 0;
- data->bitRate = 0;
- data->decoder = decoder;
- data->inStream = inStream;
- data->replayGainInfo = NULL;
- data->tag = NULL;
-}
-
-static int flacFindVorbisCommentFloat(const FLAC__StreamMetadata * block,
- const char *cmnt, float *fl)
-{
- int offset =
- FLAC__metadata_object_vorbiscomment_find_entry_from(block, 0, cmnt);
-
- if (offset >= 0) {
- size_t pos = strlen(cmnt) + 1; /* 1 is for '=' */
- int len = block->data.vorbis_comment.comments[offset].length
- - pos;
- if (len > 0) {
- unsigned char tmp;
- unsigned char *p = &(block->data.vorbis_comment.
- comments[offset].entry[pos]);
- tmp = p[len];
- p[len] = '\0';
- *fl = (float)atof((char *)p);
- p[len] = tmp;
-
- return 1;
- }
- }
-
- return 0;
-}
-
-/* replaygain stuff by AliasMrJones */
-static void flacParseReplayGain(const FLAC__StreamMetadata * block,
- FlacData * data)
-{
- int found = 0;
-
- if (data->replayGainInfo)
- freeReplayGainInfo(data->replayGainInfo);
-
- data->replayGainInfo = newReplayGainInfo();
-
- found |= flacFindVorbisCommentFloat(block, "replaygain_album_gain",
- &data->replayGainInfo->albumGain);
- found |= flacFindVorbisCommentFloat(block, "replaygain_album_peak",
- &data->replayGainInfo->albumPeak);
- found |= flacFindVorbisCommentFloat(block, "replaygain_track_gain",
- &data->replayGainInfo->trackGain);
- found |= flacFindVorbisCommentFloat(block, "replaygain_track_peak",
- &data->replayGainInfo->trackPeak);
-
- if (!found) {
- freeReplayGainInfo(data->replayGainInfo);
- data->replayGainInfo = NULL;
- }
-}
-
-/* tracknumber is used in VCs, MPD uses "track" ..., all the other
- * tag names match */
-static const char *VORBIS_COMMENT_TRACK_KEY = "tracknumber";
-static const char *VORBIS_COMMENT_DISC_KEY = "discnumber";
-
-static unsigned int commentMatchesAddToTag(const
- FLAC__StreamMetadata_VorbisComment_Entry
- * entry, unsigned int itemType,
- struct tag ** tag)
-{
- const char *str;
- size_t slen;
- int vlen;
-
- switch (itemType) {
- case TAG_ITEM_TRACK:
- str = VORBIS_COMMENT_TRACK_KEY;
- break;
- case TAG_ITEM_DISC:
- str = VORBIS_COMMENT_DISC_KEY;
- break;
- default:
- str = mpdTagItemKeys[itemType];
- }
- slen = strlen(str);
- vlen = entry->length - slen - 1;
-
- if ((vlen > 0) && (0 == strncasecmp(str, (char *)entry->entry, slen))
- && (*(entry->entry + slen) == '=')) {
- if (!*tag)
- *tag = tag_new();
-
- tag_add_item_n(*tag, itemType,
- (char *)(entry->entry + slen + 1), vlen);
-
- return 1;
- }
-
- return 0;
-}
-
-struct tag *copyVorbisCommentBlockToMpdTag(const FLAC__StreamMetadata * block,
- struct tag * tag)
-{
- unsigned int i, j;
- FLAC__StreamMetadata_VorbisComment_Entry *comments;
-
- comments = block->data.vorbis_comment.comments;
-
- for (i = block->data.vorbis_comment.num_comments; i != 0; --i) {
- for (j = TAG_NUM_OF_ITEM_TYPES; j--;) {
- if (commentMatchesAddToTag(comments, j, &tag))
- break;
- }
- comments++;
- }
-
- return tag;
-}
-
-void flac_metadata_common_cb(const FLAC__StreamMetadata * block,
- FlacData * data)
-{
- const FLAC__StreamMetadata_StreamInfo *si = &(block->data.stream_info);
-
- switch (block->type) {
- case FLAC__METADATA_TYPE_STREAMINFO:
- data->audio_format.bits = (int8_t)si->bits_per_sample;
- data->audio_format.sample_rate = si->sample_rate;
- data->audio_format.channels = (int8_t)si->channels;
- data->total_time = ((float)si->total_samples) / (si->sample_rate);
- break;
- case FLAC__METADATA_TYPE_VORBIS_COMMENT:
- flacParseReplayGain(block, data);
- default:
- break;
- }
-}
-
-void flac_error_common_cb(const char *plugin,
- const FLAC__StreamDecoderErrorStatus status,
- mpd_unused FlacData * data)
-{
- if (decoder_get_command(data->decoder) == DECODE_COMMAND_STOP)
- return;
-
- switch (status) {
- case FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC:
- ERROR("%s lost sync\n", plugin);
- break;
- case FLAC__STREAM_DECODER_ERROR_STATUS_BAD_HEADER:
- ERROR("bad %s header\n", plugin);
- break;
- case FLAC__STREAM_DECODER_ERROR_STATUS_FRAME_CRC_MISMATCH:
- ERROR("%s crc mismatch\n", plugin);
- break;
- default:
- ERROR("unknown %s error\n", plugin);
- }
-}
-
-static void flac_convert_stereo16(int16_t *dest,
- const FLAC__int32 * const buf[],
- unsigned int position, unsigned int end)
-{
- for (; position < end; ++position) {
- *dest++ = buf[0][position];
- *dest++ = buf[1][position];
- }
-}
-
-static void
-flac_convert_16(int16_t *dest,
- unsigned int num_channels,
- const FLAC__int32 * const buf[],
- unsigned int position, unsigned int end)
-{
- unsigned int c_chan;
-
- for (; position < end; ++position)
- for (c_chan = 0; c_chan < num_channels; c_chan++)
- *dest++ = buf[c_chan][position];
-}
-
-/**
- * Note: this function also handles 24 bit files!
- */
-static void
-flac_convert_32(int32_t *dest,
- unsigned int num_channels,
- const FLAC__int32 * const buf[],
- unsigned int position, unsigned int end)
-{
- unsigned int c_chan;
-
- for (; position < end; ++position)
- for (c_chan = 0; c_chan < num_channels; c_chan++)
- *dest++ = buf[c_chan][position];
-}
-
-static void
-flac_convert_8(int8_t *dest,
- unsigned int num_channels,
- const FLAC__int32 * const buf[],
- unsigned int position, unsigned int end)
-{
- unsigned int c_chan;
-
- for (; position < end; ++position)
- for (c_chan = 0; c_chan < num_channels; c_chan++)
- *dest++ = buf[c_chan][position];
-}
-
-static void flac_convert(unsigned char *dest,
- unsigned int num_channels,
- unsigned int bytes_per_sample,
- const FLAC__int32 * const buf[],
- unsigned int position, unsigned int end)
-{
- switch (bytes_per_sample) {
- case 2:
- if (num_channels == 2)
- flac_convert_stereo16((int16_t*)dest, buf,
- position, end);
- else
- flac_convert_16((int16_t*)dest, num_channels, buf,
- position, end);
- break;
-
- case 4:
- flac_convert_32((int32_t*)dest, num_channels, buf,
- position, end);
- break;
-
- case 1:
- flac_convert_8((int8_t*)dest, num_channels, buf,
- position, end);
- break;
- }
-}
-
-FLAC__StreamDecoderWriteStatus
-flac_common_write(FlacData *data, const FLAC__Frame * frame,
- const FLAC__int32 *const buf[])
-{
- unsigned int c_samp;
- const unsigned int num_channels = frame->header.channels;
- const unsigned int bytes_per_sample =
- audio_format_sample_size(&data->audio_format);
- const unsigned int bytes_per_channel =
- bytes_per_sample * frame->header.channels;
- const unsigned int max_samples = FLAC_CHUNK_SIZE / bytes_per_channel;
- unsigned int num_samples;
- enum decoder_command cmd;
-
- if (bytes_per_sample != 1 && bytes_per_sample != 2 &&
- bytes_per_sample != 4)
- /* exotic unsupported bit rate */
- return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
-
- for (c_samp = 0; c_samp < frame->header.blocksize;
- c_samp += num_samples) {
- num_samples = frame->header.blocksize - c_samp;
- if (num_samples > max_samples)
- num_samples = max_samples;
-
- flac_convert(data->chunk,
- num_channels, bytes_per_sample, buf,
- c_samp, c_samp + num_samples);
-
- cmd = decoder_data(data->decoder, data->inStream,
- 1, data->chunk,
- num_samples * bytes_per_channel,
- data->time, data->bitRate,
- data->replayGainInfo);
- switch (cmd) {
- case DECODE_COMMAND_NONE:
- case DECODE_COMMAND_START:
- break;
-
- case DECODE_COMMAND_STOP:
- return
- FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
-
- case DECODE_COMMAND_SEEK:
- return
- FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
- }
- }
-
- return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
-}
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