Adding upstream version 14.2.upstream/14.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 110 insertions, 0 deletions

diff --git a/src/tests/remix-test.c b/src/tests/remix-test.c
new file mode 100644
index 0000000..8e1292d
--- /dev/null
+++ b/src/tests/remix-test.c
@@ -0,0 +1,110 @@
+/***
+  This file is part of PulseAudio.
+
+  PulseAudio is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Lesser General Public License as published
+  by the Free Software Foundation; either version 2.1 of the License,
+  or (at your option) any later version.
+
+  PulseAudio 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 Lesser General Public License
+  along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+
+#include <pulse/sample.h>
+
+#include <pulsecore/resampler.h>
+#include <pulsecore/macro.h>
+#include <pulsecore/memblock.h>
+
+struct resample_flags {
+    const char *str;
+    pa_resample_flags_t value;
+};
+
+/* Call like this to get an initializer for struct resample_flags:
+ *     RESAMPLE_FLAGS(PA_RESAMPLER_PRODUCE_LFE)
+ */
+#define RESAMPLE_FLAGS(flags) { .str = #flags, .value = (flags) }
+
+
+int main(int argc, char *argv[]) {
+
+    static const pa_channel_map maps[] = {
+        { 1, { PA_CHANNEL_POSITION_MONO } },
+        { 2, { PA_CHANNEL_POSITION_LEFT, PA_CHANNEL_POSITION_RIGHT } },
+        { 3, { PA_CHANNEL_POSITION_LEFT, PA_CHANNEL_POSITION_RIGHT, PA_CHANNEL_POSITION_CENTER } },
+        { 3, { PA_CHANNEL_POSITION_LEFT, PA_CHANNEL_POSITION_RIGHT, PA_CHANNEL_POSITION_LFE } },
+        { 3, { PA_CHANNEL_POSITION_LEFT, PA_CHANNEL_POSITION_RIGHT, PA_CHANNEL_POSITION_REAR_CENTER } },
+        { 4, { PA_CHANNEL_POSITION_LEFT, PA_CHANNEL_POSITION_RIGHT, PA_CHANNEL_POSITION_CENTER, PA_CHANNEL_POSITION_LFE } },
+        { 4, { PA_CHANNEL_POSITION_LEFT, PA_CHANNEL_POSITION_RIGHT, PA_CHANNEL_POSITION_CENTER, PA_CHANNEL_POSITION_REAR_CENTER } },
+        { 4, { PA_CHANNEL_POSITION_LEFT, PA_CHANNEL_POSITION_RIGHT, PA_CHANNEL_POSITION_REAR_LEFT, PA_CHANNEL_POSITION_REAR_RIGHT } },
+        { 5, { PA_CHANNEL_POSITION_LEFT, PA_CHANNEL_POSITION_RIGHT, PA_CHANNEL_POSITION_REAR_LEFT, PA_CHANNEL_POSITION_REAR_RIGHT, PA_CHANNEL_POSITION_CENTER } },
+        { 5, { PA_CHANNEL_POSITION_LEFT, PA_CHANNEL_POSITION_RIGHT, PA_CHANNEL_POSITION_REAR_LEFT, PA_CHANNEL_POSITION_REAR_RIGHT, PA_CHANNEL_POSITION_LFE } },
+        { 6, { PA_CHANNEL_POSITION_LEFT, PA_CHANNEL_POSITION_RIGHT, PA_CHANNEL_POSITION_REAR_LEFT, PA_CHANNEL_POSITION_REAR_RIGHT, PA_CHANNEL_POSITION_LFE, PA_CHANNEL_POSITION_CENTER } },
+        { 8, { PA_CHANNEL_POSITION_LEFT, PA_CHANNEL_POSITION_RIGHT, PA_CHANNEL_POSITION_REAR_LEFT, PA_CHANNEL_POSITION_REAR_RIGHT, PA_CHANNEL_POSITION_LFE, PA_CHANNEL_POSITION_CENTER, PA_CHANNEL_POSITION_SIDE_LEFT, PA_CHANNEL_POSITION_SIDE_RIGHT } },
+        { 0, { 0 } }
+    };
+
+    static const struct resample_flags flag_sets[] = {
+        RESAMPLE_FLAGS(0),
+        RESAMPLE_FLAGS(PA_RESAMPLER_NO_REMAP),
+        RESAMPLE_FLAGS(PA_RESAMPLER_NO_REMIX),
+        RESAMPLE_FLAGS(PA_RESAMPLER_PRODUCE_LFE),
+        RESAMPLE_FLAGS(PA_RESAMPLER_NO_FILL_SINK),
+        RESAMPLE_FLAGS(PA_RESAMPLER_PRODUCE_LFE | PA_RESAMPLER_NO_FILL_SINK),
+        RESAMPLE_FLAGS(PA_RESAMPLER_CONSUME_LFE),
+        RESAMPLE_FLAGS(PA_RESAMPLER_CONSUME_LFE | PA_RESAMPLER_NO_FILL_SINK),
+        RESAMPLE_FLAGS(PA_RESAMPLER_PRODUCE_LFE | PA_RESAMPLER_CONSUME_LFE),
+        RESAMPLE_FLAGS(PA_RESAMPLER_PRODUCE_LFE | PA_RESAMPLER_CONSUME_LFE | PA_RESAMPLER_NO_FILL_SINK),
+        { .str = NULL, .value = 0 },
+    };
+
+    unsigned i, j, k;
+    pa_mempool *pool;
+    unsigned crossover_freq = 120;
+
+    pa_log_set_level(PA_LOG_DEBUG);
+
+    pa_assert_se(pool = pa_mempool_new(PA_MEM_TYPE_PRIVATE, 0, true));
+
+    for (i = 0; maps[i].channels > 0; i++)
+        for (j = 0; maps[j].channels > 0; j++) {
+            char a[PA_CHANNEL_MAP_SNPRINT_MAX], b[PA_CHANNEL_MAP_SNPRINT_MAX];
+            pa_resampler *r;
+            pa_sample_spec ss1, ss2;
+
+            ss1.channels = maps[i].channels;
+            ss2.channels = maps[j].channels;
+
+            ss1.rate = ss2.rate = 44100;
+            ss1.format = ss2.format = PA_SAMPLE_S16NE;
+
+            for (k = 0; flag_sets[k].str; k++) {
+                pa_log_info("Converting from '%s' to '%s' with flags %s.", pa_channel_map_snprint(a, sizeof(a), &maps[i]),
+                            pa_channel_map_snprint(b, sizeof(b), &maps[j]), flag_sets[k].str);
+
+                r = pa_resampler_new(pool, &ss1, &maps[i], &ss2, &maps[j], crossover_freq, PA_RESAMPLER_AUTO,
+                                     flag_sets[k].value);
+
+                /* We don't really care for the resampler. We just want to
+                 * see the remixing debug output. */
+
+                pa_resampler_free(r);
+            }
+        }
+
+    pa_mempool_unref(pool);
+
+    return 0;
+}