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-rw-r--r--plugins/dca/Makefile.am1
-rw-r--r--plugins/dca/convert2s16.c218
-rw-r--r--plugins/dca/dcaplug.c117
3 files changed, 60 insertions, 276 deletions
diff --git a/plugins/dca/Makefile.am b/plugins/dca/Makefile.am
index 0ae4734c..4a2b4b5a 100644
--- a/plugins/dca/Makefile.am
+++ b/plugins/dca/Makefile.am
@@ -8,7 +8,6 @@ gettimeofday.c\
parse.c\
bitstream.c\
downmix.c\
-convert2s16.c\
audio_out.h\
dca.h\
dts.h\
diff --git a/plugins/dca/convert2s16.c b/plugins/dca/convert2s16.c
deleted file mode 100644
index b0647eae..00000000
--- a/plugins/dca/convert2s16.c
+++ /dev/null
@@ -1,218 +0,0 @@
-/*
- * convert2s16.c
- * Copyright (C) 2000-2003 Michel Lespinasse <walken@zoy.org>
- * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
- *
- * This file is part of a52dec, a free ATSC A-52 stream decoder.
- * See http://liba52.sourceforge.net/ for updates.
- *
- * a52dec 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.
- *
- * a52dec 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 <inttypes.h>
-
-#include "dca.h"
-
-#include <stdio.h>
-
-#ifdef LIBDCA_DOUBLE
-typedef float convert_t;
-#else
-typedef sample_t convert_t;
-#endif
-
-static inline int16_t convert (int32_t i)
-{
-#ifdef LIBDCA_FIXED
- i >>= 15;
-#else
- i -= 0x43c00000;
-#endif
- return (i > 32767) ? 32767 : ((i < -32768) ? -32768 : i);
-}
-
-void convert2s16_1 (convert_t * _f, int16_t * s16)
-{
- int i;
- int32_t * f = (int32_t *) _f;
-
- for (i = 0; i < 256; i++) {
- s16[i] = convert (f[i]);
- }
-}
-
-void convert2s16_2 (convert_t * _f, int16_t * s16)
-{
- int i;
- int32_t * f = (int32_t *) _f;
-
- for (i = 0; i < 256; i++) {
- s16[2*i] = convert (f[i]);
- s16[2*i+1] = convert (f[i+256]);
- }
-}
-
-void convert2s16_3 (convert_t * _f, int16_t * s16)
-{
- int i;
- int32_t * f = (int32_t *) _f;
-
- for (i = 0; i < 256; i++) {
- s16[3*i] = convert (f[i]);
- s16[3*i+1] = convert (f[i+256]);
- s16[3*i+2] = convert (f[i+512]);
- }
-}
-
-void convert2s16_4 (convert_t * _f, int16_t * s16)
-{
- int i;
- int32_t * f = (int32_t *) _f;
-
- for (i = 0; i < 256; i++) {
- s16[4*i] = convert (f[i]);
- s16[4*i+1] = convert (f[i+256]);
- s16[4*i+2] = convert (f[i+512]);
- s16[4*i+3] = convert (f[i+768]);
- }
-}
-
-void convert2s16_5 (convert_t * _f, int16_t * s16)
-{
- int i;
- int32_t * f = (int32_t *) _f;
-
- for (i = 0; i < 256; i++) {
- s16[5*i] = convert (f[i]);
- s16[5*i+1] = convert (f[i+256]);
- s16[5*i+2] = convert (f[i+512]);
- s16[5*i+3] = convert (f[i+768]);
- s16[5*i+4] = convert (f[i+1024]);
- }
-}
-
-int channels_multi (int flags)
-{
- if (flags & DCA_LFE)
- return 6;
- else if (flags & 1) /* center channel */
- return 5;
- else if ((flags & DCA_CHANNEL_MASK) == DCA_2F2R)
- return 4;
- else
- return 2;
-}
-
-void convert2s16_multi (convert_t * _f, int16_t * s16, int flags)
-{
- int i;
- int32_t * f = (int32_t *) _f;
-
- switch (flags) {
- case DCA_MONO:
- for (i = 0; i < 256; i++) {
- s16[5*i] = s16[5*i+1] = s16[5*i+2] = s16[5*i+3] = 0;
- s16[5*i+4] = convert (f[i]);
- }
- break;
- case DCA_CHANNEL:
- case DCA_STEREO:
- case DCA_DOLBY:
- convert2s16_2 (_f, s16);
- break;
- case DCA_3F:
- for (i = 0; i < 256; i++) {
- s16[5*i] = convert (f[i]);
- s16[5*i+1] = convert (f[i+512]);
- s16[5*i+2] = s16[5*i+3] = 0;
- s16[5*i+4] = convert (f[i+256]);
- }
- break;
- case DCA_2F2R:
- convert2s16_4 (_f, s16);
- break;
- case DCA_3F2R:
- convert2s16_5 (_f, s16);
- break;
- case DCA_MONO | DCA_LFE:
- for (i = 0; i < 256; i++) {
- s16[6*i] = s16[6*i+1] = s16[6*i+2] = s16[6*i+3] = 0;
- s16[6*i+4] = convert (f[i+256]);
- s16[6*i+5] = convert (f[i]);
- }
- break;
- case DCA_CHANNEL | DCA_LFE:
- case DCA_STEREO | DCA_LFE:
- case DCA_DOLBY | DCA_LFE:
- for (i = 0; i < 256; i++) {
- s16[6*i] = convert (f[i+256]);
- s16[6*i+1] = convert (f[i+512]);
- s16[6*i+2] = s16[6*i+3] = s16[6*i+4] = 0;
- s16[6*i+5] = convert (f[i]);
- }
- break;
- case DCA_3F | DCA_LFE:
- for (i = 0; i < 256; i++) {
- s16[6*i] = convert (f[i+256]);
- s16[6*i+1] = convert (f[i+768]);
- s16[6*i+2] = s16[6*i+3] = 0;
- s16[6*i+4] = convert (f[i+512]);
- s16[6*i+5] = convert (f[i]);
- }
- break;
- case DCA_2F2R | DCA_LFE:
- for (i = 0; i < 256; i++) {
- s16[6*i] = convert (f[i+256]);
- s16[6*i+1] = convert (f[i+512]);
- s16[6*i+2] = convert (f[i+768]);
- s16[6*i+3] = convert (f[i+1024]);
- s16[6*i+4] = 0;
- s16[6*i+5] = convert (f[i]);
- }
- break;
- case DCA_3F2R | DCA_LFE:
- for (i = 0; i < 256; i++) {
- s16[6*i] = convert (f[i+256]);
- s16[6*i+1] = convert (f[i+768]);
- s16[6*i+2] = convert (f[i+1024]);
- s16[6*i+3] = convert (f[i+1280]);
- s16[6*i+4] = convert (f[i+512]);
- s16[6*i+5] = convert (f[i]);
- }
- break;
- }
-}
-
-void s16_swap (int16_t * s16, int channels)
-{
- int i;
- uint16_t * u16 = (uint16_t *) s16;
-
- for (i = 0; i < 256 * channels; i++)
- u16[i] = (u16[i] >> 8) | (u16[i] << 8);
-}
-
-void s32_swap (int32_t * s32, int channels)
-{
- int i;
- uint32_t * u32 = (uint32_t *) s32;
-
- for (i = 0; i < 256 * channels; i++)
- u32[i] = (u32[i] << 24) | ((u32[i] << 8)&0xFF0000) |
- ((u32[i] >> 8)&0xFF00) | (u32[i] >> 24);
-}
diff --git a/plugins/dca/dcaplug.c b/plugins/dca/dcaplug.c
index bcd782a1..635f3c0e 100644
--- a/plugins/dca/dcaplug.c
+++ b/plugins/dca/dcaplug.c
@@ -73,7 +73,7 @@ static DB_decoder_t plugin;
DB_functions_t *deadbeef;
#define BUFFER_SIZE 24576
-#define OUT_BUFFER_SIZE 100000 // one block may be up to 22K samples, which is 88Kb for stereo
+#define OUT_BUFFER_SIZE 25000 // one block may be up to 22K samples, which is 88Kb for stereo
#define HEADER_SIZE 14
typedef struct {
DB_fileinfo_t info;
@@ -82,7 +82,6 @@ typedef struct {
int startsample;
int endsample;
int currentsample;
- int wavchannels;
dca_state_t * state;
int disable_adjust;// = 0;
float gain;// = 1;
@@ -95,7 +94,7 @@ typedef struct {
int flags;
int bit_rate;
int frame_byte_size;
- char output_buffer[OUT_BUFFER_SIZE];
+ int16_t output_buffer[OUT_BUFFER_SIZE*6];
int remaining;
int skipsamples;
} ddb_dca_state_t;
@@ -157,32 +156,35 @@ static int wav_channels (int flags, uint32_t * speaker_flags)
return chans;
}
+static inline int16_t convert (int32_t i)
+{
+#ifdef LIBDCA_FIXED
+ i >>= 15;
+#else
+ i -= 0x43c00000;
+#endif
+ return (i > 32767) ? 32767 : ((i < -32768) ? -32768 : i);
+}
+
static int
convert_samples (ddb_dca_state_t *state, int flags)
{
sample_t *_samples = dca_samples (state->state);
- int chans, size;
- uint32_t speaker_flags;
- int16_t int16_samples[256*6];
- convert_t * samples = _samples;
- chans = channels_multi (flags);
- flags &= DCA_CHANNEL_MASK | DCA_LFE;
+ int samplesize = state->info.fmt.channels * state->info.fmt.bps / 8;
- convert2s16_multi (samples, int16_samples, flags);
+ int n, i, c;
+ n = 256;
+ int16_t *dst = state->output_buffer + state->remaining * state->info.fmt.channels;
- int16_t *dest = (int16_t*)(state->output_buffer + state->remaining * sizeof (int16_t) * 2);
- int i;
- for (i = 0; i < 256; i++) {
- *dest = int16_samples[i * chans + 0];
- dest++;
- *dest = int16_samples[i * chans + 1];
- dest++;
+ for (i = 0; i < n; i++) {
+ for (c = 0; c < state->info.fmt.channels; c++) {
+ *dst++ = convert (*((int32_t*)(_samples + 256 * c)));
+ }
+ _samples ++;
}
- state->remaining += 256;
- //trace ("wrote %d bytes (chans=%d)\n", size, chans);
- //fwrite (&ordered_samples, 1, size, out);
+ state->remaining += 256;
return 0;
}
@@ -343,7 +345,7 @@ dts_open_wav (DB_FILE *fp, wavfmt_t *fmt, int64_t *totalsamples) {
}
static DB_fileinfo_t *
-dts_open (void) {
+dts_open (uint32_t hints) {
DB_fileinfo_t *_info = malloc (sizeof (ddb_dca_state_t));
ddb_dca_state_t *info = (ddb_dca_state_t *)_info;
memset (info, 0, sizeof (ddb_dca_state_t));
@@ -364,17 +366,15 @@ dts_init (DB_fileinfo_t *_info, DB_playItem_t *it) {
int64_t totalsamples = -1;
// WAV format
if ((info->offset = dts_open_wav (info->file, &fmt, &totalsamples)) == -1) {
- // try raw DTS @ 48KHz
+ // raw dts, leave detection to libdca
info->offset = 0;
totalsamples = -1;
- info->wavchannels = 2;
- _info->bps = 16;
+ _info->fmt.bps = 16;
}
else {
- _info->bps = fmt.wBitsPerSample;
- _info->channels = fmt.nChannels;
- info->wavchannels = fmt.nChannels;
- _info->samplerate = fmt.nSamplesPerSec;
+ _info->fmt.bps = fmt.wBitsPerSample;
+ _info->fmt.channels = fmt.nChannels;
+ _info->fmt.samplerate = fmt.nSamplesPerSec;
}
_info->plugin = &plugin;
@@ -400,40 +400,48 @@ dts_init (DB_fileinfo_t *_info, DB_playItem_t *it) {
int flags = info->flags &~ (DCA_LFE | DCA_ADJUST_LEVEL);
switch (flags) {
case DCA_MONO:
- _info->channels = 1;
+ _info->fmt.channels = 1;
+ _info->fmt.channelmask = DDB_SPEAKER_FRONT_LEFT;
break;
case DCA_CHANNEL:
case DCA_STEREO:
case DCA_DOLBY:
case DCA_STEREO_SUMDIFF:
case DCA_STEREO_TOTAL:
- _info->channels = 2;
+ _info->fmt.channels = 2;
+ _info->fmt.channelmask = (DDB_SPEAKER_FRONT_LEFT | DDB_SPEAKER_FRONT_RIGHT);
break;
case DCA_3F:
case DCA_2F1R:
- _info->channels = 3;
+ _info->fmt.channels = 3;
+ _info->fmt.channelmask = (DDB_SPEAKER_FRONT_LEFT | DDB_SPEAKER_FRONT_RIGHT | DDB_SPEAKER_FRONT_CENTER);
break;
case DCA_2F2R:
case DCA_3F1R:
- _info->channels = 4;
+ _info->fmt.channels = 4;
+ _info->fmt.channelmask = (DDB_SPEAKER_FRONT_LEFT | DDB_SPEAKER_FRONT_RIGHT | DDB_SPEAKER_BACK_LEFT | DDB_SPEAKER_BACK_RIGHT);
break;
case DCA_3F2R:
- _info->channels = 5;
+ _info->fmt.channels = 5;
+ _info->fmt.channelmask = (DDB_SPEAKER_FRONT_LEFT | DDB_SPEAKER_FRONT_RIGHT | DDB_SPEAKER_BACK_LEFT | DDB_SPEAKER_BACK_RIGHT | DDB_SPEAKER_FRONT_CENTER);
break;
case DCA_4F2R:
- _info->channels = 6;
+ _info->fmt.channels = 6;
+ _info->fmt.channelmask = (DDB_SPEAKER_FRONT_LEFT | DDB_SPEAKER_FRONT_RIGHT | DDB_SPEAKER_BACK_LEFT | DDB_SPEAKER_BACK_RIGHT | DDB_SPEAKER_SIDE_LEFT | DDB_SPEAKER_SIDE_RIGHT);
break;
}
if (info->flags & DCA_LFE) {
- _info->channels++;
+ _info->fmt.channelmask |= DDB_SPEAKER_LOW_FREQUENCY;
+ _info->fmt.channels++;
}
- if (!_info->channels) {
+
+ if (!_info->fmt.channels) {
trace ("dts: invalid numchannels\n");
return -1;
}
- _info->samplerate = info->sample_rate;
+ _info->fmt.samplerate = info->sample_rate;
if (it->endsample > 0) {
info->startsample = it->startsample;
@@ -464,11 +472,12 @@ dts_free (DB_fileinfo_t *_info) {
}
static int
-dts_read_int16 (DB_fileinfo_t *_info, char *bytes, int size) {
+dts_read (DB_fileinfo_t *_info, char *bytes, int size) {
ddb_dca_state_t *info = (ddb_dca_state_t *)_info;
+ int samplesize = _info->fmt.channels * _info->fmt.bps / 8;
if (info->endsample >= 0) {
- if (info->currentsample + size / (2 * _info->channels) > info->endsample) {
- size = (info->endsample - info->currentsample + 1) * 2 * _info->channels;
+ if (info->currentsample + size / samplesize > info->endsample) {
+ size = (info->endsample - info->currentsample + 1) * samplesize;
if (size <= 0) {
return 0;
}
@@ -476,30 +485,25 @@ dts_read_int16 (DB_fileinfo_t *_info, char *bytes, int size) {
}
int initsize = size;
- int out_channels = _info->channels;
- if (out_channels > 2) {
- out_channels = 2;
- }
- int sample_size = ((_info->bps >> 3) * out_channels);
while (size > 0) {
if (info->skipsamples > 0 && info->remaining > 0) {
int skip = min (info->remaining, info->skipsamples);
- int sample_size = _info->bps/8 * info->wavchannels;
if (skip < info->remaining) {
- memmove (info->output_buffer, info->output_buffer + skip * sample_size, (info->remaining - skip) * sample_size);
+ memmove (info->output_buffer, info->output_buffer + skip * _info->fmt.channels, (info->remaining - skip) * samplesize);
}
info->remaining -= skip;
info->skipsamples -= skip;
}
if (info->remaining > 0) {
- int n = size / sample_size;
+ int n = size / samplesize;
n = min (n, info->remaining);
- memcpy (bytes, info->output_buffer, n * sample_size);
+ memcpy (bytes, info->output_buffer, n * samplesize);
+
if (info->remaining > n) {
- memmove (info->output_buffer, info->output_buffer + n * sample_size, (info->remaining - n) * sample_size);
+ memmove (info->output_buffer, info->output_buffer + n * _info->fmt.channels, (info->remaining - n) * samplesize);
}
- bytes += n * sample_size;
- size -= n * sample_size;
+ bytes += n * samplesize;
+ size -= n * samplesize;
info->remaining -= n;
// trace ("dca: write %d samples\n", n);
}
@@ -514,7 +518,7 @@ dts_read_int16 (DB_fileinfo_t *_info, char *bytes, int size) {
}
}
- info->currentsample += (initsize-size) / sample_size;
+ info->currentsample += (initsize-size) / samplesize;
deadbeef->streamer_set_bitrate (info->bit_rate/1000);
return initsize-size;
}
@@ -532,14 +536,14 @@ dts_seek_sample (DB_fileinfo_t *_info, int sample) {
info->skipsamples = sample - nframe * info->frame_length;
info->currentsample = sample;
- _info->readpos = (float)(sample - info->startsample) / _info->samplerate;
+ _info->readpos = (float)(sample - info->startsample) / _info->fmt.samplerate;
return 0;
}
static int
dts_seek (DB_fileinfo_t *_info, float time) {
ddb_dca_state_t *info = (ddb_dca_state_t *)_info;
- return dts_seek_sample (_info, time * _info->samplerate);
+ return dts_seek_sample (_info, time * _info->fmt.samplerate);
}
static DB_playItem_t *
@@ -658,8 +662,7 @@ static DB_decoder_t plugin = {
.open = dts_open,
.init = dts_init,
.free = dts_free,
- .read_int16 = dts_read_int16,
-// .read_float32 = dts_read_float32,
+ .read = dts_read,
.seek = dts_seek,
.seek_sample = dts_seek_sample,
.insert = dts_insert,
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 05:20:31 +0000