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-rw-r--r--src/decoder/_flac_common.c229
1 files changed, 0 insertions, 229 deletions
diff --git a/src/decoder/_flac_common.c b/src/decoder/_flac_common.c
deleted file mode 100644
index bab3995f..00000000
--- a/src/decoder/_flac_common.c
+++ /dev/null
@@ -1,229 +0,0 @@
-/*
- * Copyright (C) 2003-2011 The Music Player Daemon Project
- * 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-/*
- * Common data structures and functions used by FLAC and OggFLAC
- */
-
-#include "config.h"
-#include "_flac_common.h"
-#include "flac_metadata.h"
-#include "flac_pcm.h"
-#include "audio_check.h"
-
-#include <glib.h>
-
-#include <assert.h>
-
-void
-flac_data_init(struct flac_data *data, struct decoder * decoder,
- struct input_stream *input_stream)
-{
- pcm_buffer_init(&data->buffer);
-
- data->unsupported = false;
- data->initialized = false;
- data->total_frames = 0;
- data->first_frame = 0;
- data->next_frame = 0;
-
- data->position = 0;
- data->decoder = decoder;
- data->input_stream = input_stream;
- data->tag = NULL;
-}
-
-void
-flac_data_deinit(struct flac_data *data)
-{
- pcm_buffer_deinit(&data->buffer);
-
- if (data->tag != NULL)
- tag_free(data->tag);
-}
-
-static enum sample_format
-flac_sample_format(unsigned bits_per_sample)
-{
- switch (bits_per_sample) {
- case 8:
- return SAMPLE_FORMAT_S8;
-
- case 16:
- return SAMPLE_FORMAT_S16;
-
- case 24:
- return SAMPLE_FORMAT_S24_P32;
-
- case 32:
- return SAMPLE_FORMAT_S32;
-
- default:
- return SAMPLE_FORMAT_UNDEFINED;
- }
-}
-
-static void
-flac_got_stream_info(struct flac_data *data,
- const FLAC__StreamMetadata_StreamInfo *stream_info)
-{
- if (data->initialized || data->unsupported)
- return;
-
- GError *error = NULL;
- if (!audio_format_init_checked(&data->audio_format,
- stream_info->sample_rate,
- flac_sample_format(stream_info->bits_per_sample),
- stream_info->channels, &error)) {
- g_warning("%s", error->message);
- g_error_free(error);
- data->unsupported = true;
- return;
- }
-
- data->frame_size = audio_format_frame_size(&data->audio_format);
-
- if (data->total_frames == 0)
- data->total_frames = stream_info->total_samples;
-
- data->initialized = true;
-}
-
-void flac_metadata_common_cb(const FLAC__StreamMetadata * block,
- struct flac_data *data)
-{
- if (data->unsupported)
- return;
-
- struct replay_gain_info rgi;
- char *mixramp_start;
- char *mixramp_end;
- float replay_gain_db = 0;
-
- switch (block->type) {
- case FLAC__METADATA_TYPE_STREAMINFO:
- flac_got_stream_info(data, &block->data.stream_info);
- break;
-
- case FLAC__METADATA_TYPE_VORBIS_COMMENT:
- if (flac_parse_replay_gain(&rgi, block))
- replay_gain_db = decoder_replay_gain(data->decoder, &rgi);
- if (flac_parse_mixramp(&mixramp_start, &mixramp_end, block)) {
- g_debug("setting mixramp_tags");
- decoder_mixramp(data->decoder, replay_gain_db,
- mixramp_start, mixramp_end);
- }
-
- if (data->tag != NULL)
- flac_vorbis_comments_to_tag(data->tag, NULL,
- &block->data.vorbis_comment);
-
- default:
- break;
- }
-}
-
-void flac_error_common_cb(const FLAC__StreamDecoderErrorStatus status,
- struct flac_data *data)
-{
- if (decoder_get_command(data->decoder) == DECODE_COMMAND_STOP)
- return;
-
- g_warning("%s", FLAC__StreamDecoderErrorStatusString[status]);
-}
-
-/**
- * This function attempts to call decoder_initialized() in case there
- * was no STREAMINFO block. This is allowed for nonseekable streams,
- * where the server sends us only a part of the file, without
- * providing the STREAMINFO block from the beginning of the file
- * (e.g. when seeking with SqueezeBox Server).
- */
-static bool
-flac_got_first_frame(struct flac_data *data, const FLAC__FrameHeader *header)
-{
- if (data->unsupported)
- return false;
-
- GError *error = NULL;
- if (!audio_format_init_checked(&data->audio_format,
- header->sample_rate,
- flac_sample_format(header->bits_per_sample),
- header->channels, &error)) {
- g_warning("%s", error->message);
- g_error_free(error);
- data->unsupported = true;
- return false;
- }
-
- data->frame_size = audio_format_frame_size(&data->audio_format);
-
- decoder_initialized(data->decoder, &data->audio_format,
- data->input_stream->seekable,
- (float)data->total_frames /
- (float)data->audio_format.sample_rate);
-
- data->initialized = true;
-
- return true;
-}
-
-FLAC__StreamDecoderWriteStatus
-flac_common_write(struct flac_data *data, const FLAC__Frame * frame,
- const FLAC__int32 *const buf[],
- FLAC__uint64 nbytes)
-{
- enum decoder_command cmd;
- void *buffer;
- unsigned bit_rate;
-
- if (!data->initialized && !flac_got_first_frame(data, &frame->header))
- return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
-
- size_t buffer_size = frame->header.blocksize * data->frame_size;
- buffer = pcm_buffer_get(&data->buffer, buffer_size);
-
- flac_convert(buffer, frame->header.channels,
- data->audio_format.format, buf,
- 0, frame->header.blocksize);
-
- if (nbytes > 0)
- bit_rate = nbytes * 8 * frame->header.sample_rate /
- (1000 * frame->header.blocksize);
- else
- bit_rate = 0;
-
- cmd = decoder_data(data->decoder, data->input_stream,
- buffer, buffer_size,
- bit_rate);
- data->next_frame += frame->header.blocksize;
- 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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