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Diffstat (limited to 'src/combined/decoder_wavpack.c')
-rw-r--r--src/combined/decoder_wavpack.c338
1 files changed, 0 insertions, 338 deletions
diff --git a/src/combined/decoder_wavpack.c b/src/combined/decoder_wavpack.c
deleted file mode 100644
index 21dc0dbd1..000000000
--- a/src/combined/decoder_wavpack.c
+++ /dev/null
@@ -1,338 +0,0 @@
-/*
- * Copyright (C) 2007 the xine project
- *
- * This file is part of xine, a free video player.
- *
- * xine 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.
- *
- * xine 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, USA
- *
- * xine interface to libwavpack by Diego Pettenò <flameeyes@gmail.com>
- */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#define LOG_MODULE "decode_wavpack"
-#define LOG_VERBOSE
-
-#include "xine_internal.h"
-#include "attributes.h"
-#include "bswap.h"
-
-#include <wavpack/wavpack.h>
-#include "combined_wavpack.h"
-
-typedef struct {
- audio_decoder_class_t decoder_class;
-} wavpack_class_t;
-
-typedef struct {
- audio_decoder_t audio_decoder;
-
- xine_stream_t *stream;
-
- uint8_t *buf;
- size_t buf_size;
- size_t buf_pos;
-
- int sample_rate;
- uint16_t bits_per_sample:6;
- uint16_t channels:4;
-
- uint16_t output_open:1;
-
-} wavpack_decoder_t;
-
-/* Wrapper functions for Wavpack */
-static int32_t xine_buffer_read_bytes(void *const this_gen, void *const data,
- int32_t bcount) {
- wavpack_decoder_t *const this = (wavpack_decoder_t*)this_gen;
-
- if ( bcount <= 0 )
- return 0;
-
- if ( bcount > (this->buf_size - this->buf_pos) )
- bcount = (this->buf_size - this->buf_pos);
-
- xine_fast_memcpy(data, this->buf + this->buf_pos, bcount);
- this->buf_pos += bcount;
-
- return bcount;
-}
-
-static uint32_t xine_buffer_get_pos(void *const this_gen) {
- wavpack_decoder_t *const this = (wavpack_decoder_t*)this_gen;
- return this->buf_pos;
-}
-
-static int xine_buffer_set_pos_rel(void *const this_gen, const int32_t delta,
- const int mode) {
- wavpack_decoder_t *const this = (wavpack_decoder_t*)this_gen;
-
- switch(mode) {
- case SEEK_SET:
- if ( delta < 0 || delta > this->buf_size )
- return -1;
-
- this->buf_pos = delta;
- return 0;
- case SEEK_CUR:
- if ( (this->buf_pos+delta) < 0 || (this->buf_pos+delta) > this->buf_size )
- return -1;
-
- this->buf_pos += delta;
- return 0;
- case SEEK_END:
- if ( delta < 0 || delta > this->buf_size )
- return -1;
-
- this->buf_pos = this->buf_size - delta;
-
- return 0;
-
- default:
- return -1;
- }
-}
-
-static int xine_buffer_set_pos_abs(void *const this_gen, const uint32_t pos) {
- return xine_buffer_set_pos_rel(this_gen, pos, SEEK_SET);
-}
-
-static int xine_buffer_push_back_byte(void *const this_gen, const int c) {
- if ( ! xine_buffer_set_pos_rel(this_gen, -1, SEEK_CUR) )
- return EOF;
- return c;
-}
-
-static uint32_t xine_buffer_get_length(void *const this_gen) {
- wavpack_decoder_t *const this = (wavpack_decoder_t*)this_gen;
- return this->buf_size;
-}
-
-static int xine_buffer_can_seek(void *const this_gen) {
- return 1;
-}
-
-static int32_t xine_buffer_write_bytes(__attr_unused void *const id,
- __attr_unused void *const data,
- __attr_unused const int32_t bcount) {
- lprintf("xine_buffer_write_bytes: access is read-only.\n");
- return 0;
-}
-
-/* Wavpack plugin functions */
-static void wavpack_reset (audio_decoder_t *const this_gen)
-{
- wavpack_decoder_t *const this = (wavpack_decoder_t *) this_gen;
-
- this->buf_pos = 0;
-}
-
-static void wavpack_discontinuity (audio_decoder_t *const this_gen)
-{
- /* wavpack_decoder_t *this = (wavpack_decoder_t *) this_gen; */
-
- lprintf("Discontinuity!\n");
-}
-
-static void wavpack_decode_data (audio_decoder_t *const this_gen, buf_element_t *const buf)
-{
- wavpack_decoder_t *const this = (wavpack_decoder_t *) this_gen;
-
- /* We are getting the stream header, open up the audio
- * device, and collect information about the stream
- */
- if (buf->decoder_flags & BUF_FLAG_STDHEADER)
- {
- int mode = AO_CAP_MODE_MONO;
-
- this->sample_rate = buf->decoder_info[1];
- _x_assert(buf->decoder_info[2] <= 32);
- this->bits_per_sample = buf->decoder_info[2];
- _x_assert(buf->decoder_info[3] <= 8);
- this->channels = buf->decoder_info[3];
-
- mode = _x_ao_channels2mode(this->channels);
-
- _x_meta_info_set(this->stream, XINE_META_INFO_AUDIOCODEC,
- "WavPack");
-
- if (!this->output_open)
- {
- this->output_open = (this->stream->audio_out->open) (
- this->stream->audio_out,
- this->stream,
- this->bits_per_sample,
- this->sample_rate,
- mode) ? 1 : 0;
- }
- this->buf_pos = 0;
- } else if (this->output_open) {
- /* This isn't a header frame and we have opened the output device */
-
- /* What we have buffered so far, and what is coming in
- * is larger than our buffer
- */
- if (this->buf_pos + buf->size > this->buf_size)
- {
- this->buf_size += 2 * buf->size;
- this->buf = realloc (this->buf, this->buf_size);
- lprintf("reallocating buffer to %zd\n", this->buf_size);
- }
-
- xine_fast_memcpy (&this->buf[this->buf_pos], buf->content, buf->size);
- this->buf_pos += buf->size;
-
- if ( buf->decoder_flags & BUF_FLAG_FRAME_END ) {
- static WavpackStreamReader wavpack_buffer_reader = {
- .read_bytes = xine_buffer_read_bytes,
- .get_pos = xine_buffer_get_pos,
- .set_pos_abs = xine_buffer_set_pos_abs,
- .set_pos_rel = xine_buffer_set_pos_rel,
- .push_back_byte = xine_buffer_push_back_byte,
- .get_length = xine_buffer_get_length,
- .can_seek = xine_buffer_can_seek,
- .write_bytes = xine_buffer_write_bytes
- };
-
- WavpackContext *ctx = NULL;
- /* Current version of wavpack (4.40) does not write more than this */
- char error[256] = { 0, };
- int32_t samples_left; uint32_t samples_total;
- const wvheader_t *header = (const wvheader_t*)this->buf;
-
- this->buf_pos = 0;
-
- if ( le2me_32(header->samples_count) == 0 ) return;
-
- ctx = WavpackOpenFileInputEx(&wavpack_buffer_reader, this, NULL, error, OPEN_STREAMING, 0);
- if ( ! ctx ) {
- lprintf("unable to open the stream: %s\n", error);
- this->buf_pos = 0;
- return;
- }
-
- samples_left = samples_total = header->samples_count;
- while ( samples_left > 0 ) {
- uint32_t buf_samples, decoded_count;
- audio_buffer_t *audio_buffer = this->stream->audio_out->get_buffer(this->stream->audio_out);
- int32_t *decoded;
- int i;
-
- buf_samples = audio_buffer->mem_size / (this->channels * (this->bits_per_sample/8));
- if ( buf_samples > samples_left ) buf_samples = samples_left;
-
- decoded = alloca(buf_samples * this->channels * sizeof(int32_t));
-
- decoded_count = WavpackUnpackSamples(ctx, decoded, buf_samples);
- if ( decoded_count == 0 && *error ) {
- lprintf("Error during decode: %s\n", error);
- this->stream->audio_out->put_buffer (this->stream->audio_out, audio_buffer, NULL);
- break;
- }
-
- if ( decoded_count == 0 ) {
- lprintf("Finished decoding, but still %d samples left?\n", samples_left);
- this->stream->audio_out->put_buffer (this->stream->audio_out, audio_buffer, NULL);
- break;
- }
-
- lprintf("Decoded %d samples\n", buf_samples);
-
- samples_left -= decoded_count;
-
- audio_buffer->num_frames = decoded_count;
- audio_buffer->vpts = 0; /* TODO: Fix the pts calculation */
- // audio_buffer->vpts = (buf->pts * (samples_total-samples_left)) / samples_total;
- lprintf("Audio buffer with pts %"PRId64"\n", audio_buffer->vpts);
-
- switch(this->bits_per_sample) {
- case 8: {
- int8_t *data8 = (int8_t*)audio_buffer->mem;
- for(i = 0; i < decoded_count*this->channels; i++)
- data8[i] = decoded[i];
- }
- break;
- case 16: {
- int16_t *data16 = (int16_t*)audio_buffer->mem;
- for(i = 0; i < decoded_count*this->channels; i++)
- data16[i] = decoded[i];
- }
- }
-
- this->stream->audio_out->put_buffer (this->stream->audio_out, audio_buffer, this->stream);
- }
-
- WavpackCloseFile(ctx);
- this->buf_pos = 0;
- }
- }
-}
-
-static void wavpack_dispose (audio_decoder_t *this_gen) {
- wavpack_decoder_t *this = (wavpack_decoder_t *) this_gen;
-
- if (this->output_open)
- this->stream->audio_out->close (this->stream->audio_out, this->stream);
-
- free(this->buf);
-
- free (this_gen);
-}
-
-static audio_decoder_t *open_plugin (audio_decoder_class_t *class_gen, xine_stream_t *stream) {
- wavpack_decoder_t * const this = calloc(1, sizeof (wavpack_decoder_t));
-
- this->audio_decoder.decode_data = wavpack_decode_data;
- this->audio_decoder.reset = wavpack_reset;
- this->audio_decoder.discontinuity = wavpack_discontinuity;
- this->audio_decoder.dispose = wavpack_dispose;
- this->stream = stream;
-
- this->buf = NULL;
- this->buf_size = 0;
-
- return (audio_decoder_t *) this;
-}
-
-/*
- * wavpack plugin class
- */
-
-static char *get_identifier (audio_decoder_class_t *this) {
- return "wavpackdec";
-}
-
-static char *get_description (audio_decoder_class_t *this) {
- return "wavpack audio decoder plugin";
-}
-
-static void dispose_class (audio_decoder_class_t *this) {
- free (this);
-}
-
-void *decoder_wavpack_init_plugin (xine_t *xine, void *data) {
- wavpack_class_t *this;
-
- this = calloc(1, sizeof (wavpack_class_t));
-
- this->decoder_class.open_plugin = open_plugin;
- this->decoder_class.get_identifier = get_identifier;
- this->decoder_class.get_description = get_description;
- this->decoder_class.dispose = dispose_class;
-
- return this;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-25 16:05:12 +0000