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decoder/mpcdec: remove support for the "old" API

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This old version has been obsolete for many years - time to remove it.
This commit is contained in:
Max Kellermann 2013-07-31 00:43:21 +02:00
parent 7f9402bd22
commit 8ead8f7ea6
2 changed files with 35 additions and 121 deletions
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11
configure.ac
View File

@ -966,16 +966,7 @@ if test x$enable_mpc = xyes; then
LIBS=$oldlibs
CPPFLAGS=$oldcppflags
if test x$enable_mpc = xyes; then
AC_CHECK_HEADER([mpc/mpcdec.h],
[AC_DEFINE(HAVE_MPCDEC,1,
[Define to use libmpcdec for MPC decoding])],
[AC_CHECK_HEADER(mpcdec/mpcdec.h,
[AC_DEFINE(MPC_IS_OLD_API, 1,
[Define if an old pre-SV8 libmpcdec is used])]
)]
)
else
if test x$enable_mpc != xyes; then
AC_MSG_WARN([mpcdec lib needed for MPC support -- disabling MPC support])
fi
fi

145
src/decoder/MpcdecDecoderPlugin.cxx
View File

@ -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;
mpc_uint32_t vbr_update_bits = 0;
#ifdef MPC_IS_OLD_API
mpc_uint32_t vbr_update_acc = 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