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-rw-r--r--src/decoder/mpcdec_plugin.c122
1 files changed, 65 insertions, 57 deletions
diff --git a/src/decoder/mpcdec_plugin.c b/src/decoder/mpcdec_plugin.c
index 8d3fce450..b074c1007 100644
--- a/src/decoder/mpcdec_plugin.c
+++ b/src/decoder/mpcdec_plugin.c
@@ -27,48 +27,54 @@
#undef G_LOG_DOMAIN
#define G_LOG_DOMAIN "mpcdec"
-typedef struct _MpcCallbackData {
- struct input_stream *inStream;
+struct mpc_decoder_data {
+ struct input_stream *is;
struct decoder *decoder;
-} MpcCallbackData;
+};
-static mpc_int32_t mpc_read_cb(void *vdata, void *ptr, mpc_int32_t size)
+static mpc_int32_t
+mpc_read_cb(void *vdata, void *ptr, mpc_int32_t size)
{
- MpcCallbackData *data = (MpcCallbackData *) vdata;
+ struct mpc_decoder_data *data = (struct mpc_decoder_data *) vdata;
- return decoder_read(data->decoder, data->inStream, ptr, size);
+ return decoder_read(data->decoder, data->is, ptr, size);
}
-static mpc_bool_t mpc_seek_cb(void *vdata, mpc_int32_t offset)
+static mpc_bool_t
+mpc_seek_cb(void *vdata, mpc_int32_t offset)
{
- MpcCallbackData *data = (MpcCallbackData *) vdata;
+ struct mpc_decoder_data *data = (struct mpc_decoder_data *) vdata;
- return input_stream_seek(data->inStream, offset, SEEK_SET);
+ return input_stream_seek(data->is, offset, SEEK_SET);
}
-static mpc_int32_t mpc_tell_cb(void *vdata)
+static mpc_int32_t
+mpc_tell_cb(void *vdata)
{
- MpcCallbackData *data = (MpcCallbackData *) vdata;
+ struct mpc_decoder_data *data = (struct mpc_decoder_data *) vdata;
- return (long)(data->inStream->offset);
+ return (long)(data->is->offset);
}
-static mpc_bool_t mpc_canseek_cb(void *vdata)
+static mpc_bool_t
+mpc_canseek_cb(void *vdata)
{
- MpcCallbackData *data = (MpcCallbackData *) vdata;
+ struct mpc_decoder_data *data = (struct mpc_decoder_data *) vdata;
- return data->inStream->seekable;
+ return data->is->seekable;
}
-static mpc_int32_t mpc_getsize_cb(void *vdata)
+static mpc_int32_t
+mpc_getsize_cb(void *vdata)
{
- MpcCallbackData *data = (MpcCallbackData *) vdata;
+ struct mpc_decoder_data *data = (struct mpc_decoder_data *) vdata;
- return data->inStream->size;
+ return data->is->size;
}
/* this _looks_ performance-critical, don't de-inline -- eric */
-static inline int32_t convertSample(MPC_SAMPLE_FORMAT sample)
+static inline int32_t
+mpc_to_mpd_sample(MPC_SAMPLE_FORMAT sample)
{
/* only doing 16-bit audio for now */
int32_t val;
@@ -106,32 +112,32 @@ mpc_to_mpd_buffer(int32_t *dest, const MPC_SAMPLE_FORMAT *src,
unsigned num_samples)
{
while (num_samples-- > 0)
- *dest++ = convertSample(*src++);
+ *dest++ = mpc_to_mpd_sample(*src++);
}
static void
-mpc_decode(struct decoder *mpd_decoder, struct input_stream *inStream)
+mpc_decode(struct decoder *mpd_decoder, struct input_stream *is)
{
mpc_decoder decoder;
mpc_reader reader;
mpc_streaminfo info;
struct audio_format audio_format;
- MpcCallbackData data;
+ 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 bitRate = 0;
- unsigned long samplePos = 0;
- mpc_uint32_t vbrUpdateAcc;
- mpc_uint32_t vbrUpdateBits;
+ long bit_rate = 0;
+ unsigned long sample_pos = 0;
+ mpc_uint32_t vbr_update_acc;
+ mpc_uint32_t vbr_update_bits;
float total_time;
- struct replay_gain_info *replayGainInfo = NULL;
+ struct replay_gain_info *replay_gain_info = NULL;
enum decoder_command cmd = DECODE_COMMAND_NONE;
- data.inStream = inStream;
+ data.is = is;
data.decoder = mpd_decoder;
reader.read = mpc_read_cb;
@@ -169,62 +175,63 @@ mpc_decode(struct decoder *mpd_decoder, struct input_stream *inStream)
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;
+ replay_gain_info = replay_gain_info_new();
+ 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;
decoder_initialized(mpd_decoder, &audio_format,
- inStream->seekable,
+ is->seekable,
mpc_streaminfo_get_length(&info));
do {
if (cmd == DECODE_COMMAND_SEEK) {
- samplePos = decoder_seek_where(mpd_decoder) *
+ sample_pos = decoder_seek_where(mpd_decoder) *
audio_format.sample_rate;
- if (mpc_decoder_seek_sample(&decoder, samplePos))
+ if (mpc_decoder_seek_sample(&decoder, sample_pos))
decoder_command_finished(mpd_decoder);
else
decoder_seek_error(mpd_decoder);
}
- vbrUpdateAcc = 0;
- vbrUpdateBits = 0;
+ vbr_update_acc = 0;
+ vbr_update_bits = 0;
ret = mpc_decoder_decode(&decoder, sample_buffer,
- &vbrUpdateAcc, &vbrUpdateBits);
+ &vbr_update_acc, &vbr_update_bits);
if (ret == 0 || ret == (mpc_uint32_t)-1)
break;
- samplePos += ret;
+ sample_pos += 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
+ total_time = ((float)sample_pos) / audio_format.sample_rate;
+ bit_rate = vbr_update_bits * audio_format.sample_rate
/ 1152 / 1000;
- cmd = decoder_data(mpd_decoder, inStream,
+ cmd = decoder_data(mpd_decoder, is,
chunk, ret * sizeof(chunk[0]),
total_time,
- bitRate, replayGainInfo);
+ bit_rate, replay_gain_info);
} while (cmd != DECODE_COMMAND_STOP);
- replay_gain_info_free(replayGainInfo);
+ replay_gain_info_free(replay_gain_info);
}
-static float mpcGetTime(const char *file)
+static float
+mpcdec_get_file_duration(const char *file)
{
- struct input_stream inStream;
+ struct input_stream is;
float total_time = -1;
mpc_reader reader;
mpc_streaminfo info;
- MpcCallbackData data;
+ struct mpc_decoder_data data;
- data.inStream = &inStream;
+ data.is = &is;
data.decoder = NULL;
reader.read = mpc_read_cb;
@@ -236,24 +243,25 @@ static float mpcGetTime(const char *file)
mpc_streaminfo_init(&info);
- if (!input_stream_open(&inStream, file))
+ if (!input_stream_open(&is, file))
return -1;
if (mpc_streaminfo_read(&info, &reader) != ERROR_CODE_OK) {
- input_stream_close(&inStream);
+ input_stream_close(&is);
return -1;
}
total_time = mpc_streaminfo_get_length(&info);
- input_stream_close(&inStream);
+ input_stream_close(&is);
return total_time;
}
-static struct tag *mpcTagDup(const char *file)
+static struct tag *
+mpcdec_tag_dup(const char *file)
{
- float total_time = mpcGetTime(file);
+ float total_time = mpcdec_get_file_duration(file);
struct tag *tag;
if (total_time < 0) {
@@ -266,11 +274,11 @@ static struct tag *mpcTagDup(const char *file)
return tag;
}
-static const char *const mpcSuffixes[] = { "mpc", NULL };
+static const char *const mpcdec_suffixes[] = { "mpc", NULL };
const struct decoder_plugin mpcdec_decoder_plugin = {
.name = "mpc",
.stream_decode = mpc_decode,
- .tag_dup = mpcTagDup,
- .suffixes = mpcSuffixes,
+ .tag_dup = mpcdec_tag_dup,
+ .suffixes = mpcdec_suffixes,
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 11:30:05 +0000