*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
0x80000000, 0x80000000, 0x80000000, 0x80000000
};
-static const uint32_t *shift_16 = shift_1 + 4;
+static const uint32_t * const shift_16 = shift_1 + 4;
#endif
#define MAX_ORDER 16
int32_t dl[MAX_ORDER];
} TTAFilter;
-static int32_t ttafilter_configs[4][2] = {
+static const int32_t ttafilter_configs[4][2] = {
{10, 1},
{9, 1},
{10, 1},
return ret;
}
-static int tta_decode_init(AVCodecContext * avctx)
+static av_cold int tta_decode_init(AVCodecContext * avctx)
{
TTAContext *s = avctx->priv_data;
int i;
}
s->is_float = (s->flags == FORMAT_FLOAT);
avctx->channels = s->channels = get_bits(&s->gb, 16);
- avctx->bits_per_sample = get_bits(&s->gb, 16);
- s->bps = (avctx->bits_per_sample + 7) / 8;
+ avctx->bits_per_coded_sample = get_bits(&s->gb, 16);
+ s->bps = (avctx->bits_per_coded_sample + 7) / 8;
avctx->sample_rate = get_bits_long(&s->gb, 32);
if(avctx->sample_rate > 1000000){ //prevent FRAME_TIME * avctx->sample_rate from overflowing and sanity check
av_log(avctx, AV_LOG_ERROR, "sample_rate too large\n");
(s->last_frame_length ? 1 : 0);
av_log(s->avctx, AV_LOG_DEBUG, "flags: %x chans: %d bps: %d rate: %d block: %d\n",
- s->flags, avctx->channels, avctx->bits_per_sample, avctx->sample_rate,
+ s->flags, avctx->channels, avctx->bits_per_coded_sample, avctx->sample_rate,
avctx->block_align);
av_log(s->avctx, AV_LOG_DEBUG, "data_length: %d frame_length: %d last: %d total: %d\n",
s->data_length, s->frame_length, s->last_frame_length, s->total_frames);
static int tta_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
- uint8_t *buf, int buf_size)
+ const uint8_t *buf, int buf_size)
{
TTAContext *s = avctx->priv_data;
int i;
rice->k0++;
}
- // extract sign
-#define SIGN(x) (((x)&1) ? (++(x)>>1) : (-(x)>>1))
- *p = SIGN(value);
+ // extract coded value
+#define UNFOLD(x) (((x)&1) ? (++(x)>>1) : (-(x)>>1))
+ *p = UNFOLD(value);
// run hybrid filter
ttafilter_process(filter, p, 0);
return buf_size;
}
-static int tta_decode_close(AVCodecContext *avctx) {
+static av_cold int tta_decode_close(AVCodecContext *avctx) {
TTAContext *s = avctx->priv_data;
if (s->decode_buffer)
NULL,
tta_decode_close,
tta_decode_frame,
+ .long_name = NULL_IF_CONFIG_SMALL("True Audio"),
};