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-rw-r--r--src/decoder/wavpack_plugin.c193
1 files changed, 113 insertions, 80 deletions
diff --git a/src/decoder/wavpack_plugin.c b/src/decoder/wavpack_plugin.c
index 973030f7c..40140173d 100644
--- a/src/decoder/wavpack_plugin.c
+++ b/src/decoder/wavpack_plugin.c
@@ -46,13 +46,19 @@ static struct {
{ "disc", TAG_ITEM_DISC },
};
+/** A pointer type for format converter function. */
+typedef void (*format_samples_t)(
+ int bytes_per_sample,
+ void *buffer, uint32_t count
+);
+
/*
* This function has been borrowed from the tiny player found on
* wavpack.com. Modifications were required because mpd only handles
* max 24-bit samples.
*/
static void
-format_samples_int(int bytes_per_sample, void *buffer, uint32_t samcnt)
+format_samples_int(int bytes_per_sample, void *buffer, uint32_t count)
{
int32_t *src = buffer;
@@ -68,7 +74,7 @@ format_samples_int(int bytes_per_sample, void *buffer, uint32_t samcnt)
assert(sizeof(uchar) <= sizeof(uint32_t));
/* pass through and align 8-bit samples */
- while (samcnt--) {
+ while (count--) {
*dst++ = *src++;
}
break;
@@ -78,7 +84,7 @@ format_samples_int(int bytes_per_sample, void *buffer, uint32_t samcnt)
assert(sizeof(uint16_t) <= sizeof(uint32_t));
/* pass through and align 16-bit samples */
- while (samcnt--) {
+ while (count--) {
*dst++ = *src++;
}
break;
@@ -91,7 +97,7 @@ format_samples_int(int bytes_per_sample, void *buffer, uint32_t samcnt)
assert(sizeof(uint32_t) <= sizeof(uint32_t));
/* downsample to 24-bit */
- while (samcnt--) {
+ while (count--) {
*dst++ = *src++ >> 8;
}
break;
@@ -104,13 +110,13 @@ format_samples_int(int bytes_per_sample, void *buffer, uint32_t samcnt)
*/
static void
format_samples_float(mpd_unused int bytes_per_sample, void *buffer,
- uint32_t samcnt)
+ uint32_t count)
{
int32_t *dst = buffer;
float *src = buffer;
assert(sizeof(int32_t) <= sizeof(float));
- while (samcnt--) {
+ while (count--) {
*dst++ = (int32_t)(*src++ + 0.5f);
}
}
@@ -120,18 +126,16 @@ format_samples_float(mpd_unused int bytes_per_sample, void *buffer,
* Requires an already opened WavpackContext.
*/
static void
-wavpack_decode(struct decoder * decoder, WavpackContext *wpc, bool canseek,
- struct replay_gain_info *replayGainInfo)
+wavpack_decode(struct decoder *decoder, WavpackContext *wpc, bool can_seek,
+ struct replay_gain_info *replay_gain_info)
{
struct audio_format audio_format;
- void (*format_samples)(int bytes_per_sample,
- void *buffer, uint32_t samcnt);
+ format_samples_t format_samples;
char chunk[CHUNK_SIZE];
- float file_time;
- int samplesreq, samplesgot;
- int allsamples;
- int position, outsamplesize;
- int bytes_per_sample;
+ int samples_requested, samples_got;
+ float total_time, current_time;
+ int bytes_per_sample, output_sample_size;
+ int position;
audio_format.sample_rate = WavpackGetSampleRate(wpc);
audio_format.channels = WavpackGetReducedChannels(wpc);
@@ -150,26 +154,30 @@ wavpack_decode(struct decoder * decoder, WavpackContext *wpc, bool canseek,
format_samples = format_samples_int;
}
- allsamples = WavpackGetNumSamples(wpc);
+ total_time = WavpackGetNumSamples(wpc);
+ total_time /= audio_format.sample_rate;
bytes_per_sample = WavpackGetBytesPerSample(wpc);
- outsamplesize = audio_format_frame_size(&audio_format);
+ output_sample_size = bytes_per_sample;
+ if (output_sample_size == 3) {
+ output_sample_size = 4;
+ }
+ output_sample_size *= audio_format.channels;
/* wavpack gives us all kind of samples in a 32-bit space */
- samplesreq = sizeof(chunk) / (4 * audio_format.channels);
+ samples_requested = sizeof(chunk) / (4 * audio_format.channels);
- decoder_initialized(decoder, &audio_format, canseek,
- (float)allsamples / audio_format.sample_rate);
+ decoder_initialized(decoder, &audio_format, can_seek, total_time);
position = 0;
do {
if (decoder_get_command(decoder) == DECODE_COMMAND_SEEK) {
- if (canseek) {
+ if (can_seek) {
int where;
- where = decoder_seek_where(decoder) *
- audio_format.sample_rate;
+ where = decoder_seek_where(decoder);
+ where *= audio_format.sample_rate;
if (WavpackSeekSample(wpc, where)) {
position = where;
decoder_command_finished(decoder);
@@ -185,23 +193,29 @@ wavpack_decode(struct decoder * decoder, WavpackContext *wpc, bool canseek,
break;
}
- samplesgot = WavpackUnpackSamples(wpc,
- (int32_t *)chunk, samplesreq);
- if (samplesgot > 0) {
+ samples_got = WavpackUnpackSamples(
+ wpc, (int32_t *)chunk, samples_requested
+ );
+ if (samples_got > 0) {
int bitrate = (int)(WavpackGetInstantBitrate(wpc) /
1000 + 0.5);
- position += samplesgot;
- file_time = (float)position / audio_format.sample_rate;
-
- format_samples(bytes_per_sample, chunk,
- samplesgot * audio_format.channels);
-
- decoder_data(decoder, NULL, chunk,
- samplesgot * outsamplesize,
- file_time, bitrate,
- replayGainInfo);
+ position += samples_got;
+ current_time = position;
+ current_time /= audio_format.sample_rate;
+
+ format_samples(
+ bytes_per_sample, chunk,
+ samples_got * audio_format.channels
+ );
+
+ decoder_data(
+ decoder, NULL, chunk,
+ samples_got * output_sample_size,
+ current_time, bitrate,
+ replay_gain_info
+ );
}
- } while (samplesgot == samplesreq);
+ } while (samples_got != samples_requested);
}
/**
@@ -230,17 +244,22 @@ wavpack_replaygain(WavpackContext *wpc)
replay_gain_info = replay_gain_info_new();
- found = wavpack_tag_float(wpc, "replaygain_track_gain",
- &replay_gain_info->tuples[REPLAY_GAIN_TRACK].gain)
- ||
- wavpack_tag_float(wpc, "replaygain_track_peak",
- &replay_gain_info->tuples[REPLAY_GAIN_TRACK].peak)
- ||
- wavpack_tag_float(wpc, "replaygain_album_gain",
- &replay_gain_info->tuples[REPLAY_GAIN_ALBUM].gain)
- ||
- wavpack_tag_float(wpc, "replaygain_album_peak",
- &replay_gain_info->tuples[REPLAY_GAIN_ALBUM].peak);
+ found |= wavpack_tag_float(
+ wpc, "replaygain_track_gain",
+ &replay_gain_info->tuples[REPLAY_GAIN_TRACK].gain
+ );
+ found |= wavpack_tag_float(
+ wpc, "replaygain_track_peak",
+ &replay_gain_info->tuples[REPLAY_GAIN_TRACK].peak
+ );
+ found |= wavpack_tag_float(
+ wpc, "replaygain_album_gain",
+ &replay_gain_info->tuples[REPLAY_GAIN_ALBUM].gain
+ );
+ found |= wavpack_tag_float(
+ wpc, "replaygain_album_peak",
+ &replay_gain_info->tuples[REPLAY_GAIN_ALBUM].peak
+ );
if (found) {
return replay_gain_info;
@@ -261,38 +280,39 @@ wavpack_tagdup(const char *fname)
struct tag *tag;
char error[ERRORLEN];
char *s;
- int ssize;
- int j;
+ int size, allocated_size;
wpc = WavpackOpenFileInput(fname, error, OPEN_TAGS, 0);
if (wpc == NULL) {
- g_warning("failed to open WavPack file \"%s\": %s\n",
- fname, error);
+ g_warning(
+ "failed to open WavPack file \"%s\": %s\n",
+ fname, error
+ );
return NULL;
}
tag = tag_new();
- tag->time =
- (float)WavpackGetNumSamples(wpc) / WavpackGetSampleRate(wpc);
+ tag->time = WavpackGetNumSamples(wpc);
+ tag->time /= WavpackGetSampleRate(wpc);
- ssize = 0;
+ allocated_size = 0;
s = NULL;
for (unsigned i = 0; i < G_N_ELEMENTS(tagtypes); ++i) {
- j = WavpackGetTagItem(wpc, tagtypes[i].name, NULL, 0);
- if (j > 0) {
- ++j;
+ size = WavpackGetTagItem(wpc, tagtypes[i].name, NULL, 0);
+ if (size > 0) {
+ ++size; /* EOS */
if (s == NULL) {
- s = g_malloc(j);
- ssize = j;
- } else if (j > ssize) {
- char *t = (char *)g_realloc(s, j);
- ssize = j;
+ s = g_malloc(size);
+ allocated_size = size;
+ } else if (size > allocated_size) {
+ char *t = (char *)g_realloc(s, size);
+ allocated_size = size;
s = t;
}
- WavpackGetTagItem(wpc, tagtypes[i].name, s, j);
+ WavpackGetTagItem(wpc, tagtypes[i].name, s, size);
tag_add_item(tag, tagtypes[i].type, s);
}
}
@@ -342,8 +362,9 @@ wavpack_input_read_bytes(void *id, void *data, int32_t bcount)
/* wavpack fails if we return a partial read, so we just wait
until the buffer is full */
while (bcount > 0) {
- size_t nbytes = decoder_read(wpin(id)->decoder, wpin(id)->is,
- buf, bcount);
+ size_t nbytes = decoder_read(
+ wpin(id)->decoder, wpin(id)->is, buf, bcount
+ );
if (nbytes == 0) {
/* EOF, error or a decoder command */
break;
@@ -450,8 +471,9 @@ wavpack_open_wvc(struct decoder *decoder, struct input_stream *is_wvc,
* And we try to buffer in order to get know
* about a possible 404 error.
*/
- nbytes = decoder_read(decoder, is_wvc,
- &first_byte, sizeof(first_byte));
+ nbytes = decoder_read(
+ decoder, is_wvc, &first_byte, sizeof(first_byte)
+ );
if (nbytes == 0) {
input_stream_close(is_wvc);
return false;
@@ -474,23 +496,24 @@ wavpack_streamdecode(struct decoder * decoder, struct input_stream *is)
struct input_stream is_wvc;
int open_flags = OPEN_2CH_MAX | OPEN_NORMALIZE /*| OPEN_STREAMING*/;
struct wavpack_input isp, isp_wvc;
- bool canseek = is->seekable;
+ bool can_seek = is->seekable;
if (wavpack_open_wvc(decoder, &is_wvc, &isp_wvc)) {
open_flags |= OPEN_WVC;
- canseek &= is_wvc.seekable;
+ can_seek &= is_wvc.seekable;
}
wavpack_input_init(&isp, decoder, is);
- wpc = WavpackOpenFileInputEx(&mpd_is_reader, &isp, &isp_wvc, error,
- open_flags, 23);
+ wpc = WavpackOpenFileInputEx(
+ &mpd_is_reader, &isp, &isp_wvc, error, open_flags, 23
+ );
if (wpc == NULL) {
g_warning("failed to open WavPack stream: %s\n", error);
return;
}
- wavpack_decode(decoder, wpc, canseek, NULL);
+ wavpack_decode(decoder, wpc, can_seek, NULL);
WavpackCloseFile(wpc);
if (open_flags & OPEN_WVC) {
@@ -508,12 +531,15 @@ wavpack_filedecode(struct decoder *decoder, const char *fname)
WavpackContext *wpc;
struct replay_gain_info *replay_gain_info;
- wpc = WavpackOpenFileInput(fname, error,
- OPEN_TAGS | OPEN_WVC |
- OPEN_2CH_MAX | OPEN_NORMALIZE, 23);
+ wpc = WavpackOpenFileInput(
+ fname, error,
+ OPEN_TAGS | OPEN_WVC | OPEN_2CH_MAX | OPEN_NORMALIZE, 23
+ );
if (wpc == NULL) {
- g_warning("failed to open WavPack file \"%s\": %s\n",
- fname, error);
+ g_warning(
+ "failed to open WavPack file \"%s\": %s\n",
+ fname, error
+ );
return;
}
@@ -528,8 +554,15 @@ wavpack_filedecode(struct decoder *decoder, const char *fname)
WavpackCloseFile(wpc);
}
-static char const *const wavpack_suffixes[] = { "wv", NULL };
-static char const *const wavpack_mime_types[] = { "audio/x-wavpack", NULL };
+static char const *const wavpack_suffixes[] = {
+ "wv",
+ NULL
+};
+
+static char const *const wavpack_mime_types[] = {
+ "audio/x-wavpack",
+ NULL
+};
const struct decoder_plugin wavpack_plugin = {
.name = "wavpack",
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 21:41:41 +0000