#include "get_bits.h"
#include "dsputil.h"
#include "fft.h"
+#include "fmtconvert.h"
extern const uint16_t ff_wma_critical_freqs[25];
#define BINK_BLOCK_MAX_SIZE (MAX_CHANNELS << 11)
typedef struct {
- AVCodecContext *avctx;
GetBitContext gb;
DSPContext dsp;
+ FmtConvertContext fmt_conv;
int first;
int channels;
int frame_len; ///< transform size (samples)
int i;
int frame_len_bits;
- s->avctx = avctx;
dsputil_init(&s->dsp, avctx);
+ ff_fmt_convert_init(&s->fmt_conv, avctx);
/* determine frame length */
if (avctx->sample_rate < 22050) {
}
s->frame_len = 1 << frame_len_bits;
- if (s->channels > MAX_CHANNELS) {
- av_log(s->avctx, AV_LOG_ERROR, "too many channels: %d\n", s->channels);
+ if (avctx->channels > MAX_CHANNELS) {
+ av_log(avctx, AV_LOG_ERROR, "too many channels: %d\n", avctx->channels);
return -1;
}
return AVERROR(ENOMEM);
/* populate bands data */
- s->bands[0] = 1;
+ s->bands[0] = 2;
for (i = 1; i < s->num_bands; i++)
- s->bands[i] = ff_wma_critical_freqs[i - 1] * (s->frame_len / 2) / sample_rate_half;
- s->bands[s->num_bands] = s->frame_len / 2;
+ s->bands[i] = (ff_wma_critical_freqs[i - 1] * s->frame_len / sample_rate_half) & ~1;
+ s->bands[s->num_bands] = s->frame_len;
s->first = 1;
avctx->sample_fmt = AV_SAMPLE_FMT_S16;
if (width == 0) {
memset(coeffs + i, 0, (j - i) * sizeof(*coeffs));
i = j;
- while (s->bands[k] * 2 < i)
+ while (s->bands[k] < i)
q = quant[k++];
} else {
while (i < j) {
- if (s->bands[k] * 2 == i)
+ if (s->bands[k] == i)
q = quant[k++];
coeff = get_bits(gb, width);
if (coeff) {
ff_rdft_calc(&s->trans.rdft, coeffs);
}
- if (s->dsp.float_to_int16_interleave == ff_float_to_int16_interleave_c) {
- for (i = 0; i < s->channels; i++)
- for (j = 0; j < s->frame_len; j++)
- s->coeffs_ptr[i][j] = 385.0 + s->coeffs_ptr[i][j]*(1.0/32767.0);
- }
- s->dsp.float_to_int16_interleave(out, (const float **)s->coeffs_ptr, s->frame_len, s->channels);
+ s->fmt_conv.float_to_int16_interleave(out, (const float **)s->coeffs_ptr,
+ s->frame_len, s->channels);
if (!s->first) {
int count = s->overlap_len * s->channels;
return buf_size;
}
-AVCodec binkaudio_rdft_decoder = {
+AVCodec ff_binkaudio_rdft_decoder = {
"binkaudio_rdft",
AVMEDIA_TYPE_AUDIO,
CODEC_ID_BINKAUDIO_RDFT,
.long_name = NULL_IF_CONFIG_SMALL("Bink Audio (RDFT)")
};
-AVCodec binkaudio_dct_decoder = {
+AVCodec ff_binkaudio_dct_decoder = {
"binkaudio_dct",
AVMEDIA_TYPE_AUDIO,
CODEC_ID_BINKAUDIO_DCT,