#include "avcodec.h"
#define ALT_BITSTREAM_READER_LE
-#include "bitstream.h"
+#include "get_bits.h"
#include "ra288.h"
#include "lpc.h"
#include "celp_math.h"
#include "celp_filters.h"
+#define MAX_BACKWARD_FILTER_ORDER 36
+#define MAX_BACKWARD_FILTER_LEN 40
+#define MAX_BACKWARD_FILTER_NONREC 35
+
typedef struct {
float sp_lpc[36]; ///< LPC coefficients for speech data (spec: A)
float gain_lpc[10]; ///< LPC coefficients for gain (spec: GB)
static av_cold int ra288_decode_init(AVCodecContext *avctx)
{
- avctx->sample_fmt = SAMPLE_FMT_FLT;
+ avctx->sample_fmt = AV_SAMPLE_FMT_FLT;
return 0;
}
gain_block[9] = 10 * log10(sum) - 32;
ff_celp_lp_synthesis_filterf(block, ractx->sp_lpc, buffer, 5, 36);
-
- /* output */
- for (i=0; i < 5; i++)
- block[i] = av_clipf(block[i], -4095./4096., 4095./4096.);
}
/**
float *hist, float *out2, const float *window)
{
int i;
- float buffer1[order + 1];
- float buffer2[order + 1];
- float work[order + n + non_rec];
+ float buffer1[MAX_BACKWARD_FILTER_ORDER + 1];
+ float buffer2[MAX_BACKWARD_FILTER_ORDER + 1];
+ float work[MAX_BACKWARD_FILTER_ORDER + MAX_BACKWARD_FILTER_LEN + MAX_BACKWARD_FILTER_NONREC];
apply_window(work, window, hist, order + n + non_rec);
float *lpc, const float *tab,
int order, int n, int non_rec, int move_size)
{
- float temp[order+1];
+ float temp[MAX_BACKWARD_FILTER_ORDER+1];
do_hybrid_window(order, n, non_rec, temp, hist, rec, window);
}
static int ra288_decode_frame(AVCodecContext * avctx, void *data,
- int *data_size, const uint8_t * buf,
- int buf_size)
+ int *data_size, AVPacket *avpkt)
{
+ const uint8_t *buf = avpkt->data;
+ int buf_size = avpkt->size;
float *out = data;
int i, j;
RA288Context *ractx = avctx->priv_data;
return avctx->block_align;
}
-AVCodec ra_288_decoder =
+AVCodec ff_ra_288_decoder =
{
"real_288",
- CODEC_TYPE_AUDIO,
+ AVMEDIA_TYPE_AUDIO,
CODEC_ID_RA_288,
sizeof(RA288Context),
ra288_decode_init,