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-rw-r--r--include/gapk/codecs.h41
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diff --git a/include/gapk/codecs.h b/include/gapk/codecs.h
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+/* Codecs handling */
+
+/*
+ * This file is part of gapk (GSM Audio Pocket Knife).
+ *
+ * gapk 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * gapk 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 gapk. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GAPK_CODECS_H__
+#define __GAPK_CODECS_H__
+
+enum codec_type {
+ CODEC_INVALID = 0,
+ CODEC_PCM, /* 16 bits PCM samples */
+ CODEC_HR, /* GSM Half Rate codec GSM 06.20 */
+ CODEC_FR, /* GSM Full Rate codec GSM 06.10 */
+ CODEC_EFR, /* GSM Enhanced Full Rate codec GSM 06.60 */
+ _CODEC_MAX,
+};
+
+struct codec_desc {
+ enum codec_type type;
+ const char * name;
+ const char * description;
+ unsigned int canon_frame_len;
+};
+
+const struct codec_desc *codec_get_from_type(enum codec_type type);
+
+#endif /* __GAPK_CODECS_H__ */