summaryrefslogtreecommitdiffstats
path: root/spa/plugins/audioconvert/channelmix-ops.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:28:17 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:28:17 +0000
commit7a46c07230b8d8108c0e8e80df4522d0ac116538 (patch)
treed483300dab478b994fe199a5d19d18d74153718a /spa/plugins/audioconvert/channelmix-ops.h
parentInitial commit. (diff)
downloadpipewire-upstream/0.3.65.tar.xz
pipewire-upstream/0.3.65.zip
Adding upstream version 0.3.65.upstream/0.3.65upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'spa/plugins/audioconvert/channelmix-ops.h')
-rw-r--r--spa/plugins/audioconvert/channelmix-ops.h160
1 files changed, 160 insertions, 0 deletions
diff --git a/spa/plugins/audioconvert/channelmix-ops.h b/spa/plugins/audioconvert/channelmix-ops.h
new file mode 100644
index 0000000..c134a96
--- /dev/null
+++ b/spa/plugins/audioconvert/channelmix-ops.h
@@ -0,0 +1,160 @@
+/* Spa
+ *
+ * Copyright © 2018 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <string.h>
+#include <stdio.h>
+
+#include <spa/utils/defs.h>
+#include <spa/utils/string.h>
+#include <spa/param/audio/raw.h>
+
+#include "crossover.h"
+#include "delay.h"
+
+#define VOLUME_MIN 0.0f
+#define VOLUME_NORM 1.0f
+
+#define _M(ch) (1UL << SPA_AUDIO_CHANNEL_ ## ch)
+#define MASK_MONO _M(FC)|_M(MONO)|_M(UNKNOWN)
+#define MASK_STEREO _M(FL)|_M(FR)|_M(UNKNOWN)
+#define MASK_QUAD _M(FL)|_M(FR)|_M(RL)|_M(RR)|_M(UNKNOWN)
+#define MASK_3_1 _M(FL)|_M(FR)|_M(FC)|_M(LFE)
+#define MASK_5_1 _M(FL)|_M(FR)|_M(FC)|_M(LFE)|_M(SL)|_M(SR)|_M(RL)|_M(RR)
+#define MASK_7_1 _M(FL)|_M(FR)|_M(FC)|_M(LFE)|_M(SL)|_M(SR)|_M(RL)|_M(RR)
+
+#define BUFFER_SIZE 4096
+#define MAX_TAPS 255
+
+struct channelmix {
+ uint32_t src_chan;
+ uint32_t dst_chan;
+ uint64_t src_mask;
+ uint64_t dst_mask;
+ uint32_t cpu_flags;
+#define CHANNELMIX_OPTION_MIX_LFE (1<<0) /**< mix LFE */
+#define CHANNELMIX_OPTION_NORMALIZE (1<<1) /**< normalize volumes */
+#define CHANNELMIX_OPTION_UPMIX (1<<2) /**< do simple upmixing */
+ uint32_t options;
+#define CHANNELMIX_UPMIX_NONE 0 /**< disable upmixing */
+#define CHANNELMIX_UPMIX_SIMPLE 1 /**< simple upmixing */
+#define CHANNELMIX_UPMIX_PSD 2 /**< Passive Surround Decoding upmixing */
+ uint32_t upmix;
+
+ struct spa_log *log;
+ const char *func_name;
+
+#define CHANNELMIX_FLAG_ZERO (1<<0) /**< all zero components */
+#define CHANNELMIX_FLAG_IDENTITY (1<<1) /**< identity matrix */
+#define CHANNELMIX_FLAG_EQUAL (1<<2) /**< all values are equal */
+#define CHANNELMIX_FLAG_COPY (1<<3) /**< 1 on diagonal, can be nxm */
+ uint32_t flags;
+ float matrix_orig[SPA_AUDIO_MAX_CHANNELS][SPA_AUDIO_MAX_CHANNELS];
+ float matrix[SPA_AUDIO_MAX_CHANNELS][SPA_AUDIO_MAX_CHANNELS];
+
+ float freq; /* sample frequency */
+ float lfe_cutoff; /* in Hz, 0 is disabled */
+ float fc_cutoff; /* in Hz, 0 is disabled */
+ float rear_delay; /* in ms, 0 is disabled */
+ float widen; /* stereo widen. 0 is disabled */
+ uint32_t hilbert_taps; /* to phase shift, 0 disabled */
+ struct lr4 lr4[SPA_AUDIO_MAX_CHANNELS];
+
+ float buffer[2][BUFFER_SIZE];
+ uint32_t pos[2];
+ uint32_t delay;
+ float taps[MAX_TAPS];
+ uint32_t n_taps;
+
+ void (*process) (struct channelmix *mix, void * SPA_RESTRICT dst[],
+ const void * SPA_RESTRICT src[], uint32_t n_samples);
+ void (*set_volume) (struct channelmix *mix, float volume, bool mute,
+ uint32_t n_channel_volumes, float *channel_volumes);
+ void (*free) (struct channelmix *mix);
+
+ void *data;
+};
+
+int channelmix_init(struct channelmix *mix);
+
+static const struct channelmix_upmix_info {
+ const char *label;
+ const char *description;
+ uint32_t upmix;
+} channelmix_upmix_info[] = {
+ [CHANNELMIX_UPMIX_NONE] = { "none", "Disabled", CHANNELMIX_UPMIX_NONE },
+ [CHANNELMIX_UPMIX_SIMPLE] = { "simple", "Simple upmixing", CHANNELMIX_UPMIX_SIMPLE },
+ [CHANNELMIX_UPMIX_PSD] = { "psd", "Passive Surround Decoding", CHANNELMIX_UPMIX_PSD }
+};
+
+static inline uint32_t channelmix_upmix_from_label(const char *label)
+{
+ SPA_FOR_EACH_ELEMENT_VAR(channelmix_upmix_info, i) {
+ if (spa_streq(i->label, label))
+ return i->upmix;
+ }
+ return CHANNELMIX_UPMIX_NONE;
+}
+
+#define channelmix_process(mix,...) (mix)->process(mix, __VA_ARGS__)
+#define channelmix_set_volume(mix,...) (mix)->set_volume(mix, __VA_ARGS__)
+#define channelmix_free(mix) (mix)->free(mix)
+
+#define DEFINE_FUNCTION(name,arch) \
+void channelmix_##name##_##arch(struct channelmix *mix, \
+ void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src[], \
+ uint32_t n_samples);
+
+#define CHANNELMIX_OPS_MAX_ALIGN 16
+
+DEFINE_FUNCTION(copy, c);
+DEFINE_FUNCTION(f32_n_m, c);
+DEFINE_FUNCTION(f32_1_2, c);
+DEFINE_FUNCTION(f32_2_1, c);
+DEFINE_FUNCTION(f32_4_1, c);
+DEFINE_FUNCTION(f32_2_4, c);
+DEFINE_FUNCTION(f32_2_3p1, c);
+DEFINE_FUNCTION(f32_2_5p1, c);
+DEFINE_FUNCTION(f32_2_7p1, c);
+DEFINE_FUNCTION(f32_3p1_2, c);
+DEFINE_FUNCTION(f32_5p1_2, c);
+DEFINE_FUNCTION(f32_5p1_3p1, c);
+DEFINE_FUNCTION(f32_5p1_4, c);
+DEFINE_FUNCTION(f32_7p1_2, c);
+DEFINE_FUNCTION(f32_7p1_3p1, c);
+DEFINE_FUNCTION(f32_7p1_4, c);
+
+#if defined (HAVE_SSE)
+DEFINE_FUNCTION(copy, sse);
+DEFINE_FUNCTION(f32_n_m, sse);
+DEFINE_FUNCTION(f32_2_3p1, sse);
+DEFINE_FUNCTION(f32_2_5p1, sse);
+DEFINE_FUNCTION(f32_2_7p1, sse);
+DEFINE_FUNCTION(f32_3p1_2, sse);
+DEFINE_FUNCTION(f32_5p1_2, sse);
+DEFINE_FUNCTION(f32_5p1_3p1, sse);
+DEFINE_FUNCTION(f32_5p1_4, sse);
+DEFINE_FUNCTION(f32_7p1_4, sse);
+#endif
+
+#undef DEFINE_FUNCTION