renamed decoder plugin sources

Make it X_decoder_plugin.c.

1 files changed, 0 insertions, 603 deletions

diff --git a/src/decoder/wavpack_plugin.c b/src/decoder/wavpack_plugin.c
deleted file mode 100644
index 380985f85..000000000
--- a/src/decoder/wavpack_plugin.c
+++ /dev/null
@@ -1,603 +0,0 @@
-/*
- * Copyright (C) 2003-2010 The Music Player Daemon Project
- * 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include "config.h"
-#include "decoder_api.h"
-#include "audio_check.h"
-#include "path.h"
-#include "utils.h"
-
-#include <wavpack/wavpack.h>
-#include <glib.h>
-
-#include <assert.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-#undef G_LOG_DOMAIN
-#define G_LOG_DOMAIN "wavpack"
-
-/* pick 1020 since its devisible for 8,16,24, and 32-bit audio */
-#define CHUNK_SIZE		1020
-
-#define ERRORLEN 80
-
-static struct {
-	const char *name;
-	enum tag_type type;
-} tagtypes[] = {
-	{ "artist", TAG_ARTIST },
-	{ "album", TAG_ALBUM },
-	{ "title", TAG_TITLE },
-	{ "track", TAG_TRACK },
-	{ "name", TAG_NAME },
-	{ "genre", TAG_GENRE },
-	{ "date", TAG_DATE },
-	{ "composer", TAG_COMPOSER },
-	{ "performer", TAG_PERFORMER },
-	{ "comment", TAG_COMMENT },
-	{ "disc", TAG_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 count)
-{
-	int32_t *src = buffer;
-
-	switch (bytes_per_sample) {
-	case 1: {
-		int8_t *dst = buffer;
-		/*
-		 * The asserts like the following one are because we do the
-		 * formatting of samples within a single buffer. The size
-		 * of the output samples never can be greater than the size
-		 * of the input ones. Otherwise we would have an overflow.
-		 */
-		assert_static(sizeof(*dst) <= sizeof(*src));
-
-		/* pass through and align 8-bit samples */
-		while (count--) {
-			*dst++ = *src++;
-		}
-		break;
-	}
-	case 2: {
-		uint16_t *dst = buffer;
-		assert_static(sizeof(*dst) <= sizeof(*src));
-
-		/* pass through and align 16-bit samples */
-		while (count--) {
-			*dst++ = *src++;
-		}
-		break;
-	}
-
-	case 3:
-	case 4:
-		/* do nothing */
-		break;
-	}
-}
-
-/*
- * This function converts floating point sample data to 24-bit integer.
- */
-static void
-format_samples_float(G_GNUC_UNUSED int bytes_per_sample, void *buffer,
-		     uint32_t count)
-{
-	int32_t *dst = buffer;
-	float *src = buffer;
-	assert_static(sizeof(*dst) <= sizeof(*src));
-
-	while (count--) {
-		*dst++ = (int32_t)(*src++ + 0.5f);
-	}
-}
-
-/**
- * Choose a MPD sample format from libwavpacks' number of bits.
- */
-static enum sample_format
-wavpack_bits_to_sample_format(bool is_float, int bytes_per_sample)
-{
-	if (is_float)
-		return SAMPLE_FORMAT_S24_P32;
-
-	switch (bytes_per_sample) {
-	case 1:
-		return SAMPLE_FORMAT_S8;
-
-	case 2:
-		return SAMPLE_FORMAT_S16;
-
-	case 3:
-		return SAMPLE_FORMAT_S24_P32;
-
-	case 4:
-		return SAMPLE_FORMAT_S32;
-
-	default:
-		return SAMPLE_FORMAT_UNDEFINED;
-	}
-}
-
-/*
- * This does the main decoding thing.
- * Requires an already opened WavpackContext.
- */
-static void
-wavpack_decode(struct decoder *decoder, WavpackContext *wpc, bool can_seek)
-{
-	GError *error = NULL;
-	bool is_float;
-	enum sample_format sample_format;
-	struct audio_format audio_format;
-	format_samples_t format_samples;
-	char chunk[CHUNK_SIZE];
-	int samples_requested, samples_got;
-	float total_time;
-	int bytes_per_sample, output_sample_size;
-
-	is_float = (WavpackGetMode(wpc) & MODE_FLOAT) != 0;
-	sample_format =
-		wavpack_bits_to_sample_format(is_float,
-					      WavpackGetBytesPerSample(wpc));
-
-	if (!audio_format_init_checked(&audio_format,
-				       WavpackGetSampleRate(wpc),
-				       sample_format,
-				       WavpackGetNumChannels(wpc), &error)) {
-		g_warning("%s", error->message);
-		g_error_free(error);
-		return;
-	}
-
-	if ((WavpackGetMode(wpc) & MODE_FLOAT) == MODE_FLOAT) {
-		format_samples = format_samples_float;
-	} else {
-		format_samples = format_samples_int;
-	}
-
-	total_time = WavpackGetNumSamples(wpc);
-	total_time /= audio_format.sample_rate;
-	bytes_per_sample = WavpackGetBytesPerSample(wpc);
-	output_sample_size = audio_format_frame_size(&audio_format);
-
-	/* wavpack gives us all kind of samples in a 32-bit space */
-	samples_requested = sizeof(chunk) / (4 * audio_format.channels);
-
-	decoder_initialized(decoder, &audio_format, can_seek, total_time);
-
-	do {
-		if (decoder_get_command(decoder) == DECODE_COMMAND_SEEK) {
-			if (can_seek) {
-				unsigned where = decoder_seek_where(decoder) *
-					audio_format.sample_rate;
-
-				if (WavpackSeekSample(wpc, where)) {
-					decoder_command_finished(decoder);
-				} else {
-					decoder_seek_error(decoder);
-				}
-			} else {
-				decoder_seek_error(decoder);
-			}
-		}
-
-		if (decoder_get_command(decoder) == DECODE_COMMAND_STOP) {
-			break;
-		}
-
-		samples_got = WavpackUnpackSamples(
-			wpc, (int32_t *)chunk, samples_requested
-		);
-		if (samples_got > 0) {
-			int bitrate = (int)(WavpackGetInstantBitrate(wpc) /
-			              1000 + 0.5);
-
-			format_samples(
-				bytes_per_sample, chunk,
-				samples_got * audio_format.channels
-			);
-
-			decoder_data(
-				decoder, NULL, chunk,
-				samples_got * output_sample_size,
-				bitrate
-			);
-		}
-	} while (samples_got > 0);
-}
-
-/**
- * Locate and parse a floating point tag.  Returns true if it was
- * found.
- */
-static bool
-wavpack_tag_float(WavpackContext *wpc, const char *key, float *value_r)
-{
-	char buffer[64];
-	int ret;
-
-	ret = WavpackGetTagItem(wpc, key, buffer, sizeof(buffer));
-	if (ret <= 0)
-		return false;
-
-	*value_r = atof(buffer);
-	return true;
-}
-
-static struct replay_gain_info *
-wavpack_replaygain(WavpackContext *wpc)
-{
-	struct replay_gain_info *replay_gain_info;
-	bool found = false;
-
-	replay_gain_info = replay_gain_info_new();
-
-	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;
-	}
-
-	replay_gain_info_free(replay_gain_info);
-
-	return NULL;
-}
-
-/*
- * Reads metainfo from the specified file.
- */
-static struct tag *
-wavpack_tagdup(const char *fname)
-{
-	WavpackContext *wpc;
-	struct tag *tag;
-	char error[ERRORLEN];
-	char *s;
-	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
-		);
-		return NULL;
-	}
-
-	tag = tag_new();
-	tag->time = WavpackGetNumSamples(wpc);
-	tag->time /= WavpackGetSampleRate(wpc);
-
-	allocated_size = 0;
-	s = NULL;
-
-	for (unsigned i = 0; i < G_N_ELEMENTS(tagtypes); ++i) {
-		size = WavpackGetTagItem(wpc, tagtypes[i].name, NULL, 0);
-		if (size > 0) {
-			++size; /* EOS */
-
-			if (s == NULL) {
-				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, size);
-			tag_add_item(tag, tagtypes[i].type, s);
-		}
-	}
-
-	g_free(s);
-
-	WavpackCloseFile(wpc);
-
-	return tag;
-}
-
-/*
- * mpd input_stream <=> WavpackStreamReader wrapper callbacks
- */
-
-/* This struct is needed for per-stream last_byte storage. */
-struct wavpack_input {
-	struct decoder *decoder;
-	struct input_stream *is;
-	/* Needed for push_back_byte() */
-	int last_byte;
-};
-
-/**
- * Little wrapper for struct wavpack_input to cast from void *.
- */
-static struct wavpack_input *
-wpin(void *id)
-{
-	assert(id);
-	return id;
-}
-
-static int32_t
-wavpack_input_read_bytes(void *id, void *data, int32_t bcount)
-{
-	uint8_t *buf = (uint8_t *)data;
-	int32_t i = 0;
-
-	if (wpin(id)->last_byte != EOF) {
-		*buf++ = wpin(id)->last_byte;
-		wpin(id)->last_byte = EOF;
-		--bcount;
-		++i;
-	}
-
-	/* 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
-		);
-		if (nbytes == 0) {
-			/* EOF, error or a decoder command */
-			break;
-		}
-
-		i += nbytes;
-		bcount -= nbytes;
-		buf += nbytes;
-	}
-
-	return i;
-}
-
-static uint32_t
-wavpack_input_get_pos(void *id)
-{
-	return wpin(id)->is->offset;
-}
-
-static int
-wavpack_input_set_pos_abs(void *id, uint32_t pos)
-{
-	return input_stream_seek(wpin(id)->is, pos, SEEK_SET, NULL) ? 0 : -1;
-}
-
-static int
-wavpack_input_set_pos_rel(void *id, int32_t delta, int mode)
-{
-	return input_stream_seek(wpin(id)->is, delta, mode, NULL) ? 0 : -1;
-}
-
-static int
-wavpack_input_push_back_byte(void *id, int c)
-{
-	if (wpin(id)->last_byte == EOF) {
-		wpin(id)->last_byte = c;
-		return c;
-	} else {
-		return EOF;
-	}
-}
-
-static uint32_t
-wavpack_input_get_length(void *id)
-{
-	if (wpin(id)->is->size < 0)
-		return 0;
-
-	return wpin(id)->is->size;
-}
-
-static int
-wavpack_input_can_seek(void *id)
-{
-	return wpin(id)->is->seekable;
-}
-
-static WavpackStreamReader mpd_is_reader = {
-	.read_bytes = wavpack_input_read_bytes,
-	.get_pos = wavpack_input_get_pos,
-	.set_pos_abs = wavpack_input_set_pos_abs,
-	.set_pos_rel = wavpack_input_set_pos_rel,
-	.push_back_byte = wavpack_input_push_back_byte,
-	.get_length = wavpack_input_get_length,
-	.can_seek = wavpack_input_can_seek,
-	.write_bytes = NULL /* no need to write edited tags */
-};
-
-static void
-wavpack_input_init(struct wavpack_input *isp, struct decoder *decoder,
-		   struct input_stream *is)
-{
-	isp->decoder = decoder;
-	isp->is = is;
-	isp->last_byte = EOF;
-}
-
-static struct input_stream *
-wavpack_open_wvc(struct decoder *decoder, struct wavpack_input *wpi)
-{
-	struct input_stream *is_wvc;
-	char *utf8url;
-	char *wvc_url = NULL;
-	char first_byte;
-	size_t nbytes;
-
-	/*
-	 * As we use dc->utf8url, this function will be bad for
-	 * single files. utf8url is not absolute file path :/
-	 */
-	utf8url = decoder_get_uri(decoder);
-	if (utf8url == NULL) {
-		return false;
-	}
-
-	wvc_url = g_strconcat(utf8url, "c", NULL);
-	g_free(utf8url);
-
-	is_wvc = input_stream_open(wvc_url, NULL);
-	g_free(wvc_url);
-
-	if (is_wvc == NULL)
-		return NULL;
-
-	/*
-	 * 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)
-	);
-	if (nbytes == 0) {
-		input_stream_close(is_wvc);
-		return NULL;
-	}
-
-	/* push it back */
-	wavpack_input_init(wpi, decoder, is_wvc);
-	wpi->last_byte = first_byte;
-	return is_wvc;
-}
-
-/*
- * Decodes a stream.
- */
-static void
-wavpack_streamdecode(struct decoder * decoder, struct input_stream *is)
-{
-	char error[ERRORLEN];
-	WavpackContext *wpc;
-	struct input_stream *is_wvc;
-	int open_flags = OPEN_NORMALIZE;
-	struct wavpack_input isp, isp_wvc;
-	bool can_seek = is->seekable;
-
-	is_wvc = wavpack_open_wvc(decoder, &isp_wvc);
-	if (is_wvc != NULL) {
-		open_flags |= OPEN_WVC;
-		can_seek &= is_wvc->seekable;
-	}
-
-	if (!can_seek) {
-		open_flags |= OPEN_STREAMING;
-	}
-
-	wavpack_input_init(&isp, decoder, is);
-	wpc = WavpackOpenFileInputEx(
-		&mpd_is_reader, &isp,
-		open_flags & OPEN_WVC ? &isp_wvc : NULL,
-		error, open_flags, 23
-	);
-
-	if (wpc == NULL) {
-		g_warning("failed to open WavPack stream: %s\n", error);
-		return;
-	}
-
-	wavpack_decode(decoder, wpc, can_seek);
-
-	WavpackCloseFile(wpc);
-	if (open_flags & OPEN_WVC) {
-		input_stream_close(is_wvc);
-	}
-}
-
-/*
- * Decodes a file.
- */
-static void
-wavpack_filedecode(struct decoder *decoder, const char *fname)
-{
-	char error[ERRORLEN];
-	WavpackContext *wpc;
-	struct replay_gain_info *replay_gain_info;
-
-	wpc = WavpackOpenFileInput(
-		fname, error,
-		OPEN_TAGS | OPEN_WVC | OPEN_NORMALIZE, 23
-	);
-	if (wpc == NULL) {
-		g_warning(
-			"failed to open WavPack file \"%s\": %s\n",
-			fname, error
-		);
-		return;
-	}
-
-	replay_gain_info = wavpack_replaygain(wpc);
-	if (replay_gain_info != NULL) {
-		decoder_replay_gain(decoder, replay_gain_info);
-		replay_gain_info_free(replay_gain_info);
-	}
-
-	wavpack_decode(decoder, wpc, true);
-
-	WavpackCloseFile(wpc);
-}
-
-static char const *const wavpack_suffixes[] = {
-	"wv",
-	NULL
-};
-
-static char const *const wavpack_mime_types[] = {
-	"audio/x-wavpack",
-	NULL
-};
-
-const struct decoder_plugin wavpack_decoder_plugin = {
-	.name = "wavpack",
-	.stream_decode = wavpack_streamdecode,
-	.file_decode = wavpack_filedecode,
-	.tag_dup = wavpack_tagdup,
-	.suffixes = wavpack_suffixes,
-	.mime_types = wavpack_mime_types
-};