1 files changed, 64 insertions, 0 deletions
diff --git a/audio/fmt-conversion.c b/audio/fmt-conversion.c
new file mode 100644
index 0000000000..58943d3b4b
--- /dev/null
+++ b/audio/fmt-conversion.c
@@ -0,0 +1,64 @@
+/*
+ * This file is part of MPlayer.
+ *
+ * MPlayer 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.
+ *
+ * MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */ 
+
+#include "core/mp_msg.h"
+#include <libavutil/avutil.h>
+#include <libavutil/samplefmt.h>
+#include "format.h"
+#include "fmt-conversion.h"
+
+static const struct {
+    enum AVSampleFormat sample_fmt;
+    int fmt;
+} audio_conversion_map[] = {
+    {AV_SAMPLE_FMT_U8,    AF_FORMAT_U8},
+    {AV_SAMPLE_FMT_S16,   AF_FORMAT_S16_NE},
+    {AV_SAMPLE_FMT_S32,   AF_FORMAT_S32_NE},
+    {AV_SAMPLE_FMT_FLT,   AF_FORMAT_FLOAT_NE},
+
+    {AV_SAMPLE_FMT_NONE,  0},
+};
+
+enum AVSampleFormat af_to_avformat(int fmt)
+{
+    int i;
+    enum AVSampleFormat sample_fmt;
+    for (i = 0; audio_conversion_map[i].fmt; i++)
+        if (audio_conversion_map[i].fmt == fmt)
+            break;
+    sample_fmt = audio_conversion_map[i].sample_fmt;
+    if (sample_fmt == AF_FORMAT_UNKNOWN)
+        mp_msg(MSGT_GLOBAL, MSGL_V, "Unsupported sample format: %s\n",
+                af_fmt2str_short(fmt));
+    return sample_fmt;
+}
+
+int af_from_avformat(enum AVSampleFormat sample_fmt)
+{
+    int i;
+    for (i = 0; audio_conversion_map[i].fmt; i++)
+        if (audio_conversion_map[i].sample_fmt == sample_fmt)
+            break;
+    int fmt = audio_conversion_map[i].fmt;
+    if (!fmt) {
+        const char *fmtname = av_get_sample_fmt_name(sample_fmt);
+        mp_msg(MSGT_GLOBAL, MSGL_ERR, "Unsupported AVSampleFormat %s (%d)\n",
+               fmtname ? fmtname : "INVALID", sample_fmt);
+    }
+    return fmt;
+}