NULL
};
-static int16 reservoir_[FLAC__MAX_BLOCK_SIZE * 2]; /* 2 for max channels */
+static int16 reservoir_[FLAC__MAX_BLOCK_SIZE * 2 * 2]; /* *2 for max channels, another *2 for overflow */
+#ifdef RESERVOIR_TEST
+static int16 output_[FLAC__MAX_BLOCK_SIZE * 2]; /* *2 for max channels */
+#endif
static unsigned reservoir_samples_;
static FLAC__FileDecoder *decoder_;
static file_info_struct file_info_;
* local routines
**********************************************************************/
+#ifndef RESERVOIR_TEST
void *play_loop_(void *arg)
{
pthread_exit(NULL);
return 0; /* to silence the compiler warning about not returning a value */
}
+#else
+void *play_loop_(void *arg)
+{
+
+ (void)arg;
+
+ while(file_info_.is_playing) {
+ if(!file_info_.eof) {
+ while(samples_in_reservoir < 576) {
+ if(decoder->state == FLAC__FILE_DECODER_END_OF_FILE) {
+ file_info_.eof = true;
+ break;
+ }
+ else if(!FLAC__file_decoder_process_one_frame(decoder_))
+ break;
+ }
+ if(reservoir_samples_ > 0) {
+ unsigned i, n = min(samples_in_reservoir, 576), delta;
+ unsigned bytes = reservoir_samples_ * ((file_info_.bits_per_sample+7)/8) * file_info_.channels;
+ const unsigned channels = file_info_.channels;
+
+ for(i = 0; i < n*channels; i++)
+ output_[i] = reservoir_[i];
+ delta = i;
+ for( ; i < reservoir_samples_*channels; i++)
+ reservoir[i-delta] = reservoir[i];
+ reservoir_samples_ -= n;
+
+ flac_ip.add_vis_pcm(flac_ip.output->written_time(), FMT_S16_NE, channels, bytes, (char*)output_);
+ while(flac_ip.output->buffer_free() < (int)bytes && file_info_.is_playing && file_info_.seek_to_in_sec == -1)
+ xmms_usleep(10000);
+ if(file_info_.is_playing && file_info_.seek_to_in_sec == -1)
+ flac_ip.output->write_audio((char*)output_, bytes);
+ }
+ else {
+ file_info_.eof = true;
+ xmms_usleep(10000);
+ }
+ }
+ else
+ xmms_usleep(10000);
+ if (file_info_.seek_to_in_sec != -1) {
+ const double distance = (double)file_info_.seek_to_in_sec * 1000.0 / (double)file_info_.length_in_msec;
+ unsigned target_sample = (unsigned)(distance * (double)file_info_.total_samples);
+ if(FLAC__file_decoder_seek_absolute(decoder_, (uint64)target_sample)) {
+ flac_ip.output->flush(file_info_.seek_to_in_sec * 1000);
+ file_info_.seek_to_in_sec = -1;
+ file_info_.eof = false;
+ reservoir_samples_ = 0;
+ }
+ }
+
+ }
+ if(decoder_ && decoder_->state != FLAC__FILE_DECODER_UNINITIALIZED)
+ FLAC__file_decoder_finish(decoder_);
+
+ /* are these two calls necessary? */
+ flac_ip.output->buffer_free();
+ flac_ip.output->buffer_free();
+
+ pthread_exit(NULL);
+ return 0; /* to silence the compiler warning about not returning a value */
+}
+#endif
bool decoder_init_(const char *filename)
{
}
}
+#ifndef RESERVOIR_TEST
FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__FileDecoder *decoder, const FLAC__Frame *frame, const int32 *buffer[], void *client_data)
{
file_info_struct *file_info = (file_info_struct *)client_data;
- unsigned bps = file_info->bits_per_sample, channels = file_info->channels;
- unsigned wide_samples = frame->header.blocksize, wide_sample, sample, channel;
+ const unsigned bps = file_info->bits_per_sample, channels = file_info->channels, wide_samples = frame->header.blocksize;
+ unsigned wide_sample, sample, channel;
(void)decoder;
return FLAC__STREAM_DECODER_WRITE_CONTINUE;
}
+#else
+FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__FileDecoder *decoder, const FLAC__Frame *frame, const int32 *buffer[], void *client_data)
+{
+ file_info_struct *file_info = (file_info_struct *)client_data;
+ const unsigned bps = file_info->bits_per_sample, channels = file_info->channels, wide_samples = frame->header.blocksize;
+ unsigned wide_sample, sample, channel;
+
+ (void)decoder;
+
+ if(file_info->abort_flag)
+ return FLAC__STREAM_DECODER_WRITE_ABORT;
+
+ assert(bps == 16);
+
+ for(sample = reservoir_samples_*channels, wide_sample = 0; wide_sample < wide_samples; wide_sample++)
+ for(channel = 0; channel < channels; channel++, sample++)
+ reservoir_[sample] = (int16)buffer[channel][wide_sample];
+
+ reservoir_samples_ += wide_samples;
+
+ return FLAC__STREAM_DECODER_WRITE_CONTINUE;
+}
+#endif
void metadata_callback_(const FLAC__FileDecoder *decoder, const FLAC__StreamMetaData *metadata, void *client_data)
{