add a simple fully-automatic fully-linearupmixer/downmixer and enable it by default

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@2044 fefdeb5f-60dc-0310-8127-8f9354f1896f

2 files changed, 93 insertions, 2 deletions

diff --git a/src/tests/remix-test.c b/src/tests/remix-test.c
new file mode 100644
index 00000000..d2fa6943
--- /dev/null
+++ b/src/tests/remix-test.c
@@ -0,0 +1,91 @@
+/* $Id$ */
+
+/***
+  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 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, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+  USA.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+
+#include <pulse/sample.h>
+#include <pulse/volume.h>
+
+#include <pulsecore/resampler.h>
+#include <pulsecore/macro.h>
+#include <pulsecore/endianmacros.h>
+#include <pulsecore/memblock.h>
+#include <pulsecore/sample-util.h>
+
+#include <liboil/liboil.h>
+
+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 } }
+    };
+
+    unsigned i, j;
+    pa_mempool *pool;
+
+    oil_init();
+    pa_log_set_maximal_level(PA_LOG_DEBUG);
+
+    pa_assert_se(pool = pa_mempool_new(FALSE));
+
+    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;
+
+            pa_log_info("Converting from '%s' to '%s'.\n", pa_channel_map_snprint(a, sizeof(a), &maps[i]), pa_channel_map_snprint(b, sizeof(b), &maps[j]));
+
+            ss1.channels = maps[i].channels;
+            ss2.channels = maps[j].channels;
+
+            ss1.rate = ss2.rate = 44100;
+            ss1.format = ss2.format = PA_SAMPLE_S16NE;
+
+            r = pa_resampler_new(pool, &ss1, &maps[i], &ss2, &maps[j], PA_RESAMPLER_AUTO, 0);
+
+            /* We don't really care for the resampler. We just want to
+             * see the remixing debug output. */
+
+            pa_resampler_free(r);
+        }
+
+
+    pa_mempool_free(pool);
+
+    return 0;
+}
diff --git a/src/tests/resampler-test.c b/src/tests/resampler-test.c
index 5295995b..820a0c1e 100644
--- a/src/tests/resampler-test.c
+++ b/src/tests/resampler-test.c
@@ -222,8 +222,8 @@ int main(int argc, char *argv[]) {
                    pa_sample_format_to_string(b.format),
                    pa_sample_format_to_string(a.format));
 
-            pa_assert_se(forth = pa_resampler_new(pool, &a, NULL, &b, NULL, PA_RESAMPLER_AUTO, FALSE));
-            pa_assert_se(back = pa_resampler_new(pool, &b, NULL, &a, NULL, PA_RESAMPLER_AUTO, FALSE));
+            pa_assert_se(forth = pa_resampler_new(pool, &a, NULL, &b, NULL, PA_RESAMPLER_AUTO, 0));
+            pa_assert_se(back = pa_resampler_new(pool, &b, NULL, &a, NULL, PA_RESAMPLER_AUTO, 0));
 
             i.memblock = generate_block(pool, &a);
             i.length = pa_memblock_get_length(i.memblock);