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-rw-r--r--src/decoder/MpcdecDecoderPlugin.cxx145
1 files changed, 34 insertions, 111 deletions
diff --git a/src/decoder/MpcdecDecoderPlugin.cxx b/src/decoder/MpcdecDecoderPlugin.cxx
index d4333a527..921d7d923 100644
--- a/src/decoder/MpcdecDecoderPlugin.cxx
+++ b/src/decoder/MpcdecDecoderPlugin.cxx
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2003-2011 The Music Player Daemon Project
+ * Copyright (C) 2003-2013 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
@@ -23,16 +23,12 @@
#include "CheckAudioFormat.hxx"
#include "TagHandler.hxx"
-#ifdef MPC_IS_OLD_API
-#include <mpcdec/mpcdec.h>
-#else
#include <mpc/mpcdec.h>
-#include <math.h>
-#endif
#include <glib.h>
#include <assert.h>
#include <unistd.h>
+#include <math.h>
#undef G_LOG_DOMAIN
#define G_LOG_DOMAIN "mpcdec"
@@ -42,50 +38,47 @@ struct mpc_decoder_data {
struct decoder *decoder;
};
-#ifdef MPC_IS_OLD_API
-#define cb_first_arg void *vdata
-#define cb_data vdata
-#else
-#define cb_first_arg mpc_reader *reader
-#define cb_data reader->data
-#endif
-
static mpc_int32_t
-mpc_read_cb(cb_first_arg, void *ptr, mpc_int32_t size)
+mpc_read_cb(mpc_reader *reader, void *ptr, mpc_int32_t size)
{
- struct mpc_decoder_data *data = (struct mpc_decoder_data *) cb_data;
+ struct mpc_decoder_data *data =
+ (struct mpc_decoder_data *)reader->data;
return decoder_read(data->decoder, data->is, ptr, size);
}
static mpc_bool_t
-mpc_seek_cb(cb_first_arg, mpc_int32_t offset)
+mpc_seek_cb(mpc_reader *reader, mpc_int32_t offset)
{
- struct mpc_decoder_data *data = (struct mpc_decoder_data *) cb_data;
+ struct mpc_decoder_data *data =
+ (struct mpc_decoder_data *)reader->data;
return input_stream_lock_seek(data->is, offset, SEEK_SET, nullptr);
}
static mpc_int32_t
-mpc_tell_cb(cb_first_arg)
+mpc_tell_cb(mpc_reader *reader)
{
- struct mpc_decoder_data *data = (struct mpc_decoder_data *) cb_data;
+ struct mpc_decoder_data *data =
+ (struct mpc_decoder_data *)reader->data;
return (long)input_stream_get_offset(data->is);
}
static mpc_bool_t
-mpc_canseek_cb(cb_first_arg)
+mpc_canseek_cb(mpc_reader *reader)
{
- struct mpc_decoder_data *data = (struct mpc_decoder_data *) cb_data;
+ struct mpc_decoder_data *data =
+ (struct mpc_decoder_data *)reader->data;
return input_stream_is_seekable(data->is);
}
static mpc_int32_t
-mpc_getsize_cb(cb_first_arg)
+mpc_getsize_cb(mpc_reader *reader)
{
- struct mpc_decoder_data *data = (struct mpc_decoder_data *) cb_data;
+ struct mpc_decoder_data *data =
+ (struct mpc_decoder_data *)reader->data;
return input_stream_get_size(data->is);
}
@@ -136,31 +129,13 @@ mpc_to_mpd_buffer(int32_t *dest, const MPC_SAMPLE_FORMAT *src,
static void
mpcdec_decode(struct decoder *mpd_decoder, struct input_stream *is)
{
-#ifdef MPC_IS_OLD_API
- mpc_decoder decoder;
-#else
- mpc_demux *demux;
- mpc_frame_info frame;
- mpc_status status;
-#endif
- mpc_reader reader;
- mpc_streaminfo info;
- GError *error = nullptr;
- struct audio_format audio_format;
-
- struct mpc_decoder_data data;
-
MPC_SAMPLE_FORMAT sample_buffer[MPC_DECODER_BUFFER_LENGTH];
- mpc_uint32_t ret;
- int32_t chunk[G_N_ELEMENTS(sample_buffer)];
- long bit_rate = 0;
- mpc_uint32_t vbr_update_bits;
- enum decoder_command cmd = DECODE_COMMAND_NONE;
-
+ struct mpc_decoder_data data;
data.is = is;
data.decoder = mpd_decoder;
+ mpc_reader reader;
reader.read = mpc_read_cb;
reader.seek = mpc_seek_cb;
reader.tell = mpc_tell_cb;
@@ -168,57 +143,33 @@ mpcdec_decode(struct decoder *mpd_decoder, struct input_stream *is)
reader.canseek = mpc_canseek_cb;
reader.data = &data;
-#ifdef MPC_IS_OLD_API
- 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;
- }
-#else
- demux = mpc_demux_init(&reader);
+ mpc_demux *demux = mpc_demux_init(&reader);
if (demux == nullptr) {
if (decoder_get_command(mpd_decoder) != DECODE_COMMAND_STOP)
g_warning("Not a valid musepack stream");
return;
}
+ mpc_streaminfo info;
mpc_demux_get_info(demux, &info);
-#endif
+ GError *error = nullptr;
+ struct audio_format audio_format;
if (!audio_format_init_checked(&audio_format, info.sample_freq,
SAMPLE_FORMAT_S24_P32,
info.channels, &error)) {
g_warning("%s", error->message);
g_error_free(error);
-#ifndef MPC_IS_OLD_API
mpc_demux_exit(demux);
-#endif
return;
}
struct replay_gain_info replay_gain_info;
replay_gain_info_init(&replay_gain_info);
-#ifdef MPC_IS_OLD_API
- replay_gain_info.tuples[REPLAY_GAIN_ALBUM].gain = info.gain_album * 0.01;
- replay_gain_info.tuples[REPLAY_GAIN_ALBUM].peak = info.peak_album / 32767.0;
- replay_gain_info.tuples[REPLAY_GAIN_TRACK].gain = info.gain_title * 0.01;
- replay_gain_info.tuples[REPLAY_GAIN_TRACK].peak = info.peak_title / 32767.0;
-#else
replay_gain_info.tuples[REPLAY_GAIN_ALBUM].gain = MPC_OLD_GAIN_REF - (info.gain_album / 256.);
replay_gain_info.tuples[REPLAY_GAIN_ALBUM].peak = pow(10, info.peak_album / 256. / 20) / 32767;
replay_gain_info.tuples[REPLAY_GAIN_TRACK].gain = MPC_OLD_GAIN_REF - (info.gain_title / 256.);
replay_gain_info.tuples[REPLAY_GAIN_TRACK].peak = pow(10, info.peak_title / 256. / 20) / 32767;
-#endif
decoder_replay_gain(mpd_decoder, &replay_gain_info);
@@ -226,36 +177,26 @@ mpcdec_decode(struct decoder *mpd_decoder, struct input_stream *is)
input_stream_is_seekable(is),
mpc_streaminfo_get_length(&info));
+ enum decoder_command cmd = DECODE_COMMAND_NONE;
do {
if (cmd == DECODE_COMMAND_SEEK) {
mpc_int64_t where = decoder_seek_where(mpd_decoder) *
audio_format.sample_rate;
bool success;
-#ifdef MPC_IS_OLD_API
- success = mpc_decoder_seek_sample(&decoder, where);
-#else
success = mpc_demux_seek_sample(demux, where)
== MPC_STATUS_OK;
-#endif
if (success)
decoder_command_finished(mpd_decoder);
else
decoder_seek_error(mpd_decoder);
}
- vbr_update_bits = 0;
-
-#ifdef MPC_IS_OLD_API
- mpc_uint32_t vbr_update_acc = 0;
+ mpc_uint32_t vbr_update_bits = 0;
- ret = mpc_decoder_decode(&decoder, sample_buffer,
- &vbr_update_acc, &vbr_update_bits);
- if (ret == 0 || ret == (mpc_uint32_t)-1)
- break;
-#else
+ mpc_frame_info frame;
frame.buffer = (MPC_SAMPLE_FORMAT *)sample_buffer;
- status = mpc_demux_decode(demux, &frame);
+ mpc_status status = mpc_demux_decode(demux, &frame);
if (status != MPC_STATUS_OK) {
g_warning("Failed to decode sample");
break;
@@ -264,14 +205,13 @@ mpcdec_decode(struct decoder *mpd_decoder, struct input_stream *is)
if (frame.bits == -1)
break;
- ret = frame.samples;
-#endif
-
+ mpc_uint32_t ret = frame.samples;
ret *= info.channels;
+ int32_t chunk[G_N_ELEMENTS(sample_buffer)];
mpc_to_mpd_buffer(chunk, sample_buffer, ret);
- bit_rate = vbr_update_bits * audio_format.sample_rate
+ long bit_rate = vbr_update_bits * audio_format.sample_rate
/ 1152 / 1000;
cmd = decoder_data(mpd_decoder, is,
@@ -279,26 +219,17 @@ mpcdec_decode(struct decoder *mpd_decoder, struct input_stream *is)
bit_rate);
} while (cmd != DECODE_COMMAND_STOP);
-#ifndef MPC_IS_OLD_API
mpc_demux_exit(demux);
-#endif
}
static float
mpcdec_get_file_duration(struct input_stream *is)
{
- float total_time = -1;
-
- mpc_reader reader;
-#ifndef MPC_IS_OLD_API
- mpc_demux *demux;
-#endif
- mpc_streaminfo info;
struct mpc_decoder_data data;
-
data.is = is;
data.decoder = nullptr;
+ mpc_reader reader;
reader.read = mpc_read_cb;
reader.seek = mpc_seek_cb;
reader.tell = mpc_tell_cb;
@@ -306,23 +237,15 @@ mpcdec_get_file_duration(struct input_stream *is)
reader.canseek = mpc_canseek_cb;
reader.data = &data;
-#ifdef MPC_IS_OLD_API
- mpc_streaminfo_init(&info);
-
- if (mpc_streaminfo_read(&info, &reader) != ERROR_CODE_OK)
- return -1;
-#else
- demux = mpc_demux_init(&reader);
+ mpc_demux *demux = mpc_demux_init(&reader);
if (demux == nullptr)
return -1;
+ mpc_streaminfo info;
mpc_demux_get_info(demux, &info);
mpc_demux_exit(demux);
-#endif
-
- total_time = mpc_streaminfo_get_length(&info);
- return total_time;
+ return mpc_streaminfo_get_length(&info);
}
static bool
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 02:56:06 +0000