* AMR wideband data and definitions
* Copyright (c) 2010 Marcelo Galvao Povoa
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#define AVCODEC_AMRWBDATA_H
#include <stdint.h>
+#include <stddef.h>
#define LP_ORDER 16 ///< linear predictive coding filter order
#define LP_ORDER_16k 20 ///< lpc filter order at 16kHz
/* All decoded parameters in these structs must be 2 bytes long
* because of the direct indexing at the frame parsing */
-typedef struct {
+typedef struct AMRWBSubFrame {
uint16_t adap; ///< adaptive codebook index
uint16_t ltp; ///< ltp-filtering flag
uint16_t vq_gain; ///< VQ adaptive and innovative gains
uint16_t pul_il[4]; ///< LSBs part of codebook index
} AMRWBSubFrame;
-typedef struct {
+typedef struct AMRWBFrame {
uint16_t vad; ///< voice activity detection flag
uint16_t isp_id[7]; ///< index of ISP subvectors
AMRWBSubFrame subframe[4]; ///< data for subframes
} AMRWBFrame;
/** The index of a frame parameter */
-#define AMR_BIT(field) (offsetof(AMRWBFrame, field) >> 1)
+#define AMR_BIT(field) (offsetof(AMRWBFrame, field))
/** The index of a subframe-specific parameter */
#define AMR_OF(frame_num, variable) AMR_BIT(subframe[frame_num].variable)
40 /// SID/comfort noise frame
};
-#endif
+#endif /* AVCODEC_AMRWBDATA_H */