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-rw-r--r--src/decoder/mpc_plugin.c273
1 files changed, 0 insertions, 273 deletions
diff --git a/src/decoder/mpc_plugin.c b/src/decoder/mpc_plugin.c
deleted file mode 100644
index 23fa5787b..000000000
--- a/src/decoder/mpc_plugin.c
+++ /dev/null
@@ -1,273 +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
- *
- * 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 "../decoder_api.h"
-#include "config.h"
-
-#include <mpcdec/mpcdec.h>
-#include <glib.h>
-#include <unistd.h>
-
-typedef struct _MpcCallbackData {
- struct input_stream *inStream;
- struct decoder *decoder;
-} MpcCallbackData;
-
-static mpc_int32_t mpc_read_cb(void *vdata, void *ptr, mpc_int32_t size)
-{
- MpcCallbackData *data = (MpcCallbackData *) vdata;
-
- return decoder_read(data->decoder, data->inStream, ptr, size);
-}
-
-static mpc_bool_t mpc_seek_cb(void *vdata, mpc_int32_t offset)
-{
- MpcCallbackData *data = (MpcCallbackData *) vdata;
-
- return input_stream_seek(data->inStream, offset, SEEK_SET);
-}
-
-static mpc_int32_t mpc_tell_cb(void *vdata)
-{
- MpcCallbackData *data = (MpcCallbackData *) vdata;
-
- return (long)(data->inStream->offset);
-}
-
-static mpc_bool_t mpc_canseek_cb(void *vdata)
-{
- MpcCallbackData *data = (MpcCallbackData *) vdata;
-
- return data->inStream->seekable;
-}
-
-static mpc_int32_t mpc_getsize_cb(void *vdata)
-{
- MpcCallbackData *data = (MpcCallbackData *) vdata;
-
- return data->inStream->size;
-}
-
-/* this _looks_ performance-critical, don't de-inline -- eric */
-static inline int32_t convertSample(MPC_SAMPLE_FORMAT sample)
-{
- /* only doing 16-bit audio for now */
- int32_t val;
-
- enum {
- bits = 24,
- };
-
- const int clip_min = -1 << (bits - 1);
- const int clip_max = (1 << (bits - 1)) - 1;
-
-#ifdef MPC_FIXED_POINT
- const int shift = bits - MPC_FIXED_POINT_SCALE_SHIFT;
-
- if (shift < 0)
- val = sample << -shift;
- else
- val = sample << shift;
-#else
- const int float_scale = 1 << (bits - 1);
-
- val = sample * float_scale;
-#endif
-
- if (val < clip_min)
- val = clip_min;
- else if (val > clip_max)
- val = clip_max;
-
- return val;
-}
-
-static void
-mpc_to_mpd_buffer(int32_t *dest, const MPC_SAMPLE_FORMAT *src,
- unsigned num_samples)
-{
- while (num_samples-- > 0)
- *dest++ = convertSample(*src++);
-}
-
-static void
-mpc_decode(struct decoder *mpd_decoder, struct input_stream *inStream)
-{
- mpc_decoder decoder;
- mpc_reader reader;
- mpc_streaminfo info;
- struct audio_format audio_format;
-
- MpcCallbackData data;
-
- MPC_SAMPLE_FORMAT sample_buffer[MPC_DECODER_BUFFER_LENGTH];
-
- mpc_uint32_t ret;
- int32_t chunk[G_N_ELEMENTS(sample_buffer)];
- long bitRate = 0;
- unsigned long samplePos = 0;
- mpc_uint32_t vbrUpdateAcc;
- mpc_uint32_t vbrUpdateBits;
- float total_time;
- struct replay_gain_info *replayGainInfo = NULL;
- enum decoder_command cmd = DECODE_COMMAND_NONE;
-
- data.inStream = inStream;
- data.decoder = mpd_decoder;
-
- reader.read = mpc_read_cb;
- reader.seek = mpc_seek_cb;
- reader.tell = mpc_tell_cb;
- reader.get_size = mpc_getsize_cb;
- reader.canseek = mpc_canseek_cb;
- reader.data = &data;
-
- mpc_streaminfo_init(&info);
-
- if ((ret = mpc_streaminfo_read(&info, &reader)) != ERROR_CODE_OK) {
- if (decoder_get_command(mpd_decoder) != DECODE_COMMAND_STOP)
- g_warning("Not a valid musepack stream\n");
- return;
- }
-
- mpc_decoder_setup(&decoder, &reader);
-
- if (!mpc_decoder_initialize(&decoder, &info)) {
- if (decoder_get_command(mpd_decoder) != DECODE_COMMAND_STOP)
- g_warning("Not a valid musepack stream\n");
- return;
- }
-
- audio_format.bits = 24;
- audio_format.channels = info.channels;
- audio_format.sample_rate = info.sample_freq;
-
- if (!audio_format_valid(&audio_format)) {
- g_warning("Invalid audio format: %u:%u:%u\n",
- audio_format.sample_rate,
- audio_format.bits,
- audio_format.channels);
- return;
- }
-
- replayGainInfo = replay_gain_info_new();
- replayGainInfo->tuples[REPLAY_GAIN_ALBUM].gain = info.gain_album * 0.01;
- replayGainInfo->tuples[REPLAY_GAIN_ALBUM].peak = info.peak_album / 32767.0;
- replayGainInfo->tuples[REPLAY_GAIN_TRACK].gain = info.gain_title * 0.01;
- replayGainInfo->tuples[REPLAY_GAIN_TRACK].peak = info.peak_title / 32767.0;
-
- decoder_initialized(mpd_decoder, &audio_format,
- inStream->seekable,
- mpc_streaminfo_get_length(&info));
-
- do {
- if (cmd == DECODE_COMMAND_SEEK) {
- samplePos = decoder_seek_where(mpd_decoder) *
- audio_format.sample_rate;
- if (mpc_decoder_seek_sample(&decoder, samplePos))
- decoder_command_finished(mpd_decoder);
- else
- decoder_seek_error(mpd_decoder);
- }
-
- vbrUpdateAcc = 0;
- vbrUpdateBits = 0;
- ret = mpc_decoder_decode(&decoder, sample_buffer,
- &vbrUpdateAcc, &vbrUpdateBits);
- if (ret == 0 || ret == (mpc_uint32_t)-1)
- break;
-
- samplePos += ret;
-
- ret *= info.channels;
-
- mpc_to_mpd_buffer(chunk, sample_buffer, ret);
-
- total_time = ((float)samplePos) / audio_format.sample_rate;
- bitRate = vbrUpdateBits * audio_format.sample_rate
- / 1152 / 1000;
-
- cmd = decoder_data(mpd_decoder, inStream,
- chunk, ret * sizeof(chunk[0]),
- total_time,
- bitRate, replayGainInfo);
- } while (cmd != DECODE_COMMAND_STOP);
-
- replay_gain_info_free(replayGainInfo);
-}
-
-static float mpcGetTime(const char *file)
-{
- struct input_stream inStream;
- float total_time = -1;
-
- mpc_reader reader;
- mpc_streaminfo info;
- MpcCallbackData data;
-
- data.inStream = &inStream;
- data.decoder = NULL;
-
- reader.read = mpc_read_cb;
- reader.seek = mpc_seek_cb;
- reader.tell = mpc_tell_cb;
- reader.get_size = mpc_getsize_cb;
- reader.canseek = mpc_canseek_cb;
- reader.data = &data;
-
- mpc_streaminfo_init(&info);
-
- if (!input_stream_open(&inStream, file))
- return -1;
-
- if (mpc_streaminfo_read(&info, &reader) != ERROR_CODE_OK) {
- input_stream_close(&inStream);
- return -1;
- }
-
- total_time = mpc_streaminfo_get_length(&info);
-
- input_stream_close(&inStream);
-
- return total_time;
-}
-
-static struct tag *mpcTagDup(const char *file)
-{
- float total_time = mpcGetTime(file);
- struct tag *tag;
-
- if (total_time < 0) {
- g_debug("mpcTagDup: Failed to get Songlength of file: %s\n",
- file);
- return NULL;
- }
-
- tag = tag_new();
- tag->time = total_time;
- return tag;
-}
-
-static const char *const mpcSuffixes[] = { "mpc", NULL };
-
-const struct decoder_plugin mpcPlugin = {
- .name = "mpc",
- .stream_decode = mpc_decode,
- .tag_dup = mpcTagDup,
- .suffixes = mpcSuffixes,
-};
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-28 20:37:17 +0000