diff options
Diffstat (limited to 'src/decoder')
| -rw-r--r-- | src/decoder/dsdiff_decoder_plugin.c | 47 |
1 files changed, 9 insertions, 38 deletions
diff --git a/src/decoder/dsdiff_decoder_plugin.c b/src/decoder/dsdiff_decoder_plugin.c index 391a5bf78..751eff4d6 100644 --- a/src/decoder/dsdiff_decoder_plugin.c +++ b/src/decoder/dsdiff_decoder_plugin.c @@ -28,7 +28,6 @@ #include "dsdiff_decoder_plugin.h" #include "decoder_api.h" #include "audio_check.h" -#include "dsd2pcm/dsd2pcm.h" #include <unistd.h> #include <stdio.h> /* for SEEK_SET, SEEK_CUR */ @@ -55,12 +54,14 @@ struct dsdiff_metadata { unsigned sample_rate, channels; }; -static bool lsbitfirst; +static enum sample_format dsd_sample_format; static bool dsdiff_init(const struct config_param *param) { - lsbitfirst = config_get_block_bool(param, "lsbitfirst", false); + dsd_sample_format = config_get_block_bool(param, "lsbitfirst", false) + ? SAMPLE_FORMAT_DSD_LSBFIRST + : SAMPLE_FORMAT_DSD; return true; } @@ -306,7 +307,7 @@ dsdiff_read_metadata(struct decoder *decoder, struct input_stream *is, static bool dsdiff_decode_chunk(struct decoder *decoder, struct input_stream *is, unsigned channels, - dsd2pcm_ctx **dsd2pcm, uint64_t chunk_size) + uint64_t chunk_size) { uint8_t buffer[8192]; const size_t sample_size = sizeof(buffer[0]); @@ -314,18 +315,15 @@ dsdiff_decode_chunk(struct decoder *decoder, struct input_stream *is, const unsigned buffer_frames = sizeof(buffer) / frame_size; const unsigned buffer_samples = buffer_frames * frame_size; const size_t buffer_size = buffer_samples * sample_size; - float f_buffer[G_N_ELEMENTS(buffer)]; while (chunk_size > 0) { /* see how much aligned data from the remaining chunk fits into the local buffer */ unsigned now_frames = buffer_frames; size_t now_size = buffer_size; - unsigned now_samples = buffer_samples; if (chunk_size < (uint64_t)now_size) { now_frames = (unsigned)chunk_size / frame_size; now_size = now_frames * frame_size; - now_samples = now_frames * channels; } size_t nbytes = decoder_read(decoder, is, buffer, now_size); @@ -334,20 +332,8 @@ dsdiff_decode_chunk(struct decoder *decoder, struct input_stream *is, chunk_size -= nbytes; - /* invoke the dsp2pcm library, once for each - channel */ - - for (unsigned c = 0; c < channels; ++c) - dsd2pcm_translate(dsd2pcm[c], now_frames, - buffer + c, channels, - lsbitfirst, f_buffer + c, channels); - - /* convert to integer and submit to the decoder API */ - enum decoder_command cmd = - decoder_data(decoder, is, f_buffer, - now_samples * sizeof(f_buffer[0]), - 0); + decoder_data(decoder, is, buffer, nbytes, 0); switch (cmd) { case DECODE_COMMAND_NONE: break; @@ -381,25 +367,13 @@ dsdiff_stream_decode(struct decoder *decoder, struct input_stream *is) GError *error = NULL; struct audio_format audio_format; if (!audio_format_init_checked(&audio_format, metadata.sample_rate / 8, - SAMPLE_FORMAT_FLOAT, + dsd_sample_format, metadata.channels, &error)) { g_warning("%s", error->message); g_error_free(error); return; } - /* initialize the dsd2pcm library */ - - dsd2pcm_ctx *dsd2pcm[MAX_CHANNELS]; - for (unsigned i = 0; i < metadata.channels; ++i) { - dsd2pcm[i] = dsd2pcm_init(); - if (dsd2pcm[i] == NULL) { - for (unsigned j = 0; j < i; ++j) - dsd2pcm_destroy(dsd2pcm[j]); - return; - } - } - /* success: file was recognized */ decoder_initialized(decoder, &audio_format, false, -1); @@ -413,7 +387,7 @@ dsdiff_stream_decode(struct decoder *decoder, struct input_stream *is) if (dsdiff_id_equals(&chunk_header.id, "DSD ")) { if (!dsdiff_decode_chunk(decoder, is, metadata.channels, - dsd2pcm, chunk_size)) + chunk_size)) break; } else { /* ignore other chunks */ @@ -428,9 +402,6 @@ dsdiff_stream_decode(struct decoder *decoder, struct input_stream *is) if (!dsdiff_read_chunk_header(decoder, is, &chunk_header)) break; } - - for (unsigned i = 0; i < metadata.channels; ++i) - dsd2pcm_destroy(dsd2pcm[i]); } static bool @@ -449,7 +420,7 @@ dsdiff_scan_stream(struct input_stream *is, struct audio_format audio_format; if (!audio_format_init_checked(&audio_format, metadata.sample_rate / 8, - SAMPLE_FORMAT_S24_P32, + dsd_sample_format, metadata.channels, NULL)) /* refuse to parse files which we cannot play anyway */ return false; |