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atrac3plus: convert to lavu/tx

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This commit is contained in:
Lynne
2022-11-01 09:44:27 +01:00
parent b59e6b5d99
commit 34330adb29
4 changed files with 34 additions and 36 deletions
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19
libavcodec/atrac3plusdsp.c
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@@ -79,12 +79,6 @@ const float ff_atrac3p_mant_tab[8] = {
#define ATRAC3P_MDCT_SIZE (ATRAC3P_SUBBAND_SAMPLES * 2)
av_cold void ff_atrac3p_init_imdct(AVCodecContext *avctx, FFTContext *mdct_ctx)
{
/* Initialize the MDCT transform. */
ff_mdct_init(mdct_ctx, 8, 1, -1.0);
}
#define TWOPI (2 * M_PI)
#define DEQUANT_PHASE(ph) (((ph) & 0x1F) << 6)
@@ -463,8 +457,9 @@ void ff_atrac3p_power_compensation(Atrac3pChanUnitCtx *ctx, AVFloatDSPContext *f
}
}
void ff_atrac3p_imdct(AVFloatDSPContext *fdsp, FFTContext *mdct_ctx, float *pIn,
float *pOut, int wind_id, int sb)
void ff_atrac3p_imdct(AVFloatDSPContext *fdsp, AVTXContext *mdct_ctx,
av_tx_fn mdct_fn, float *pIn, float *pOut,
int wind_id, int sb)
{
int i;
@@ -472,7 +467,7 @@ void ff_atrac3p_imdct(AVFloatDSPContext *fdsp, FFTContext *mdct_ctx, float *pIn,
for (i = 0; i < ATRAC3P_SUBBAND_SAMPLES / 2; i++)
FFSWAP(float, pIn[i], pIn[ATRAC3P_SUBBAND_SAMPLES - 1 - i]);
mdct_ctx->imdct_calc(mdct_ctx, pOut, pIn);
mdct_fn(mdct_ctx, pOut, pIn, sizeof(float));
/* Perform windowing on the output.
* ATRAC3+ uses two different MDCT windows:
@@ -604,8 +599,8 @@ static const float ipqf_coeffs2[ATRAC3P_PQF_FIR_LEN][16] = {
-4.4400572e-8, -4.2005411e-7, -8.0604229e-7, -5.8336207e-7 }
};
void ff_atrac3p_ipqf(FFTContext *dct_ctx, Atrac3pIPQFChannelCtx *hist,
const float *in, float *out)
void ff_atrac3p_ipqf(AVTXContext *dct_ctx, av_tx_fn dct_fn,
Atrac3pIPQFChannelCtx *hist, const float *in, float *out)
{
int i, s, sb, t, pos_now, pos_next;
LOCAL_ALIGNED(32, float, idct_in, [ATRAC3P_SUBBANDS]);
@@ -619,7 +614,7 @@ void ff_atrac3p_ipqf(FFTContext *dct_ctx, Atrac3pIPQFChannelCtx *hist,
idct_in[sb] = in[sb * ATRAC3P_SUBBAND_SAMPLES + s];
/* Calculate the sine and cosine part of the PQF using IDCT-IV */
dct_ctx->imdct_half(dct_ctx, idct_out, idct_in);
dct_fn(dct_ctx, idct_out, idct_in, sizeof(float));
/* append the result to the history */
for (i = 0; i < 8; i++) {