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opus_pvq: port to allow for SIMD functions
Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>
This commit is contained in:
Rostislav Pehlivanov
parent
e6ec482b42
commit
8e7e74df93
@ -753,15 +753,15 @@ static void celt_decode_bands(CeltFrame *f, OpusRangeCoder *rc)
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}
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if (f->dual_stereo) {
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cm[0] = ff_celt_decode_band(f, rc, i, X, NULL, band_size, b / 2, f->blocks,
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cm[0] = f->pvq->decode_band(f->pvq, f, rc, i, X, NULL, band_size, b / 2, f->blocks,
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effective_lowband != -1 ? norm + (effective_lowband << f->size) : NULL, f->size,
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norm + band_offset, 0, 1.0f, lowband_scratch, cm[0]);
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cm[1] = ff_celt_decode_band(f, rc, i, Y, NULL, band_size, b/2, f->blocks,
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cm[1] = f->pvq->decode_band(f->pvq, f, rc, i, Y, NULL, band_size, b/2, f->blocks,
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effective_lowband != -1 ? norm2 + (effective_lowband << f->size) : NULL, f->size,
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norm2 + band_offset, 0, 1.0f, lowband_scratch, cm[1]);
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} else {
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cm[0] = ff_celt_decode_band(f, rc, i, X, Y, band_size, b, f->blocks,
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cm[0] = f->pvq->decode_band(f->pvq, f, rc, i, X, Y, band_size, b, f->blocks,
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effective_lowband != -1 ? norm + (effective_lowband << f->size) : NULL, f->size,
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norm + band_offset, 0, 1.0f, lowband_scratch, cm[0]|cm[1]);
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cm[1] = cm[0];
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@ -984,6 +984,8 @@ void ff_celt_free(CeltFrame **f)
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for (i = 0; i < FF_ARRAY_ELEMS(frm->imdct); i++)
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ff_mdct15_uninit(&frm->imdct[i]);
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ff_celt_pvq_uninit(&frm->pvq);
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av_freep(&frm->dsp);
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av_freep(f);
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}
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@ -1006,11 +1008,12 @@ int ff_celt_init(AVCodecContext *avctx, CeltFrame **f, int output_channels)
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frm->avctx = avctx;
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frm->output_channels = output_channels;
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for (i = 0; i < FF_ARRAY_ELEMS(frm->imdct); i++) {
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ret = ff_mdct15_init(&frm->imdct[i], 1, i + 3, -1.0f);
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if (ret < 0)
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for (i = 0; i < FF_ARRAY_ELEMS(frm->imdct); i++)
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if ((ret = ff_mdct15_init(&frm->imdct[i], 1, i + 3, -1.0f)) < 0)
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goto fail;
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if ((ret = ff_celt_pvq_init(&frm->pvq)) < 0)
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goto fail;
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}
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frm->dsp = avpriv_float_dsp_alloc(avctx->flags & AV_CODEC_FLAG_BITEXACT);
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if (!frm->dsp) {
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@ -27,6 +27,7 @@
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#include <float.h>
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#include "opus.h"
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#include "opus_pvq.h"
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#include "mdct15.h"
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#include "libavutil/float_dsp.h"
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@ -43,6 +44,8 @@
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#define CELT_POSTFILTER_MINPERIOD 15
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#define CELT_ENERGY_SILENCE (-28.0f)
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typedef struct CeltPVQ CeltPVQ;
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enum CeltSpread {
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CELT_SPREAD_NONE,
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CELT_SPREAD_LIGHT,
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@ -92,6 +95,7 @@ struct CeltFrame {
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MDCT15Context *imdct[4];
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AVFloatDSPContext *dsp;
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CeltBlock block[2];
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CeltPVQ *pvq;
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int channels;
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int output_channels;
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@ -125,8 +129,6 @@ struct CeltFrame {
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int fine_priority[CELT_MAX_BANDS];
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int pulses [CELT_MAX_BANDS];
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int tf_change [CELT_MAX_BANDS];
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DECLARE_ALIGNED(32, float, scratch)[22 * 8]; // MAX(ff_celt_freq_range) * 1<<CELT_MAX_LOG_BLOCKS
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};
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/* LCG for noise generation */
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@ -363,7 +363,7 @@ static inline float celt_decode_pulses(OpusRangeCoder *rc, int *y, uint32_t N, u
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* Faster than libopus's search, operates entirely in the signed domain.
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* Slightly worse/better depending on N, K and the input vector.
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*/
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static int celt_pvq_search(float *X, int *y, int K, int N)
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static float ppp_pvq_search_c(float *X, int *y, int K, int N)
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{
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int i, y_norm = 0;
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float res = 0.0f, xy_norm = 0.0f;
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@ -408,17 +408,17 @@ static int celt_pvq_search(float *X, int *y, int K, int N)
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y[max_idx] += phase;
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}
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return y_norm;
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return (float)y_norm;
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}
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static uint32_t celt_alg_quant(OpusRangeCoder *rc, float *X, uint32_t N, uint32_t K,
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enum CeltSpread spread, uint32_t blocks, float gain,
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void *scratch)
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CeltPVQ *pvq)
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{
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int *y = scratch;
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int *y = pvq->qcoeff;
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celt_exp_rotation(X, N, blocks, K, spread, 1);
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gain /= sqrtf(celt_pvq_search(X, y, K, N));
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gain /= sqrtf(pvq->pvq_search(X, y, K, N));
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celt_encode_pulses(rc, y, N, K);
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celt_normalize_residual(y, X, N, gain);
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celt_exp_rotation(X, N, blocks, K, spread, 0);
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@ -429,9 +429,9 @@ static uint32_t celt_alg_quant(OpusRangeCoder *rc, float *X, uint32_t N, uint32_
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the final normalised signal in the current band. */
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static uint32_t celt_alg_unquant(OpusRangeCoder *rc, float *X, uint32_t N, uint32_t K,
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enum CeltSpread spread, uint32_t blocks, float gain,
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void *scratch)
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CeltPVQ *pvq)
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{
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int *y = scratch;
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int *y = pvq->qcoeff;
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gain /= sqrtf(celt_decode_pulses(rc, y, N, K));
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celt_normalize_residual(y, X, N, gain);
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@ -477,19 +477,16 @@ static void celt_stereo_ms_decouple(float *X, float *Y, int N)
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}
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}
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#define QUANT_FN(name) uint32_t (*name)(CeltFrame *f, OpusRangeCoder *rc, \
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const int band, float *X, float *Y, \
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int N, int b, uint32_t blocks, \
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float *lowband, int duration, \
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float *lowband_out, int level, \
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float gain, float *lowband_scratch, \
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int fill)
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static av_always_inline uint32_t quant_band_template(CeltFrame *f, OpusRangeCoder *rc, const int band,
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float *X, float *Y, int N, int b, uint32_t blocks,
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float *lowband, int duration, float *lowband_out,
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int level, float gain, float *lowband_scratch,
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int fill, int quant)
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static av_always_inline uint32_t quant_band_template(CeltPVQ *pvq, CeltFrame *f,
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OpusRangeCoder *rc,
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const int band, float *X,
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float *Y, int N, int b,
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uint32_t blocks, float *lowband,
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int duration, float *lowband_out,
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int level, float gain,
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float *lowband_scratch,
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int fill, int quant,
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QUANT_FN(*rec))
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{
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int i;
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const uint8_t *cache;
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@ -505,7 +502,6 @@ static av_always_inline uint32_t quant_band_template(CeltFrame *f, OpusRangeCode
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float mid = 0, side = 0;
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int longblocks = (B0 == 1);
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uint32_t cm = 0;
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QUANT_FN(rec) = quant ? ff_celt_encode_band : ff_celt_decode_band;
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if (N == 1) {
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float *x = X;
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@ -565,7 +561,7 @@ static av_always_inline uint32_t quant_band_template(CeltFrame *f, OpusRangeCode
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/* Reorganize the samples in time order instead of frequency order */
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if (B0 > 1 && (quant || lowband))
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celt_deinterleave_hadamard(f->scratch, quant ? X : lowband,
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celt_deinterleave_hadamard(pvq->hadamard_tmp, quant ? X : lowband,
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N_B >> recombine, B0 << recombine,
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longblocks);
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}
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@ -702,7 +698,7 @@ static av_always_inline uint32_t quant_band_template(CeltFrame *f, OpusRangeCode
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sign = 1 - 2 * sign;
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/* We use orig_fill here because we want to fold the side, but if
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itheta==16384, we'll have cleared the low bits of fill. */
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cm = rec(f, rc, band, x2, NULL, N, mbits, blocks, lowband, duration,
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cm = rec(pvq, f, rc, band, x2, NULL, N, mbits, blocks, lowband, duration,
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lowband_out, level, gain, lowband_scratch, orig_fill);
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/* We don't split N=2 bands, so cm is either 1 or 0 (for a fold-collapse),
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and there's no need to worry about mixing with the other channel. */
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@ -755,7 +751,7 @@ static av_always_inline uint32_t quant_band_template(CeltFrame *f, OpusRangeCode
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if (mbits >= sbits) {
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/* In stereo mode, we do not apply a scaling to the mid
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* because we need the normalized mid for folding later */
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cm = rec(f, rc, band, X, NULL, N, mbits, blocks, lowband,
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cm = rec(pvq, f, rc, band, X, NULL, N, mbits, blocks, lowband,
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duration, next_lowband_out1, next_level,
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stereo ? 1.0f : (gain * mid), lowband_scratch, fill);
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rebalance = mbits - (rebalance - f->remaining2);
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@ -764,14 +760,14 @@ static av_always_inline uint32_t quant_band_template(CeltFrame *f, OpusRangeCode
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/* For a stereo split, the high bits of fill are always zero,
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* so no folding will be done to the side. */
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cmt = rec(f, rc, band, Y, NULL, N, sbits, blocks, next_lowband2,
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cmt = rec(pvq, f, rc, band, Y, NULL, N, sbits, blocks, next_lowband2,
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duration, NULL, next_level, gain * side, NULL,
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fill >> blocks);
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cm |= cmt << ((B0 >> 1) & (stereo - 1));
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} else {
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/* For a stereo split, the high bits of fill are always zero,
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* so no folding will be done to the side. */
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cm = rec(f, rc, band, Y, NULL, N, sbits, blocks, next_lowband2,
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cm = rec(pvq, f, rc, band, Y, NULL, N, sbits, blocks, next_lowband2,
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duration, NULL, next_level, gain * side, NULL, fill >> blocks);
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cm <<= ((B0 >> 1) & (stereo - 1));
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rebalance = sbits - (rebalance - f->remaining2);
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@ -780,7 +776,7 @@ static av_always_inline uint32_t quant_band_template(CeltFrame *f, OpusRangeCode
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/* In stereo mode, we do not apply a scaling to the mid because
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* we need the normalized mid for folding later */
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cm |= rec(f, rc, band, X, NULL, N, mbits, blocks, lowband, duration,
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cm |= rec(pvq, f, rc, band, X, NULL, N, mbits, blocks, lowband, duration,
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next_lowband_out1, next_level, stereo ? 1.0f : (gain * mid),
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lowband_scratch, fill);
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}
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@ -802,10 +798,10 @@ static av_always_inline uint32_t quant_band_template(CeltFrame *f, OpusRangeCode
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/* Finally do the actual (de)quantization */
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if (quant) {
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cm = celt_alg_quant(rc, X, N, (q < 8) ? q : (8 + (q & 7)) << ((q >> 3) - 1),
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f->spread, blocks, gain, f->scratch);
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f->spread, blocks, gain, pvq);
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} else {
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cm = celt_alg_unquant(rc, X, N, (q < 8) ? q : (8 + (q & 7)) << ((q >> 3) - 1),
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f->spread, blocks, gain, f->scratch);
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f->spread, blocks, gain, pvq);
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}
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} else {
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/* If there's no pulse, fill the band anyway */
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@ -845,7 +841,7 @@ static av_always_inline uint32_t quant_band_template(CeltFrame *f, OpusRangeCode
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/* Undo the sample reorganization going from time order to frequency order */
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if (B0 > 1)
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celt_interleave_hadamard(f->scratch, X, N_B >> recombine,
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celt_interleave_hadamard(pvq->hadamard_tmp, X, N_B >> recombine,
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B0 << recombine, longblocks);
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/* Undo time-freq changes that we did earlier */
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@ -876,33 +872,28 @@ static av_always_inline uint32_t quant_band_template(CeltFrame *f, OpusRangeCode
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return cm;
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}
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uint32_t ff_celt_decode_band(CeltFrame *f, OpusRangeCoder *rc, const int band,
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float *X, float *Y, int N, int b, uint32_t blocks,
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float *lowband, int duration, float *lowband_out,
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int level, float gain, float *lowband_scratch,
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int fill)
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static QUANT_FN(pvq_decode_band)
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{
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return quant_band_template(f, rc, band, X, Y, N, b, blocks, lowband, duration,
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lowband_out, level, gain, lowband_scratch, fill, 0);
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return quant_band_template(pvq, f, rc, band, X, Y, N, b, blocks, lowband, duration,
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lowband_out, level, gain, lowband_scratch, fill, 0,
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pvq->decode_band);
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}
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uint32_t ff_celt_encode_band(CeltFrame *f, OpusRangeCoder *rc, const int band,
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float *X, float *Y, int N, int b, uint32_t blocks,
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float *lowband, int duration, float *lowband_out,
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int level, float gain, float *lowband_scratch,
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int fill)
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static QUANT_FN(pvq_encode_band)
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{
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return quant_band_template(f, rc, band, X, Y, N, b, blocks, lowband, duration,
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lowband_out, level, gain, lowband_scratch, fill, 1);
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return quant_band_template(pvq, f, rc, band, X, Y, N, b, blocks, lowband, duration,
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lowband_out, level, gain, lowband_scratch, fill, 1,
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pvq->encode_band);
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}
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float ff_celt_quant_band_cost(CeltFrame *f, OpusRangeCoder *rc, int band, float *bits,
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float lambda)
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static float pvq_band_cost(CeltPVQ *pvq, CeltFrame *f, OpusRangeCoder *rc, int band,
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float *bits, float lambda)
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{
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int i, b = 0;
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uint32_t cm[2] = { (1 << f->blocks) - 1, (1 << f->blocks) - 1 };
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const int band_size = ff_celt_freq_range[band] << f->size;
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float buf[352], lowband_scratch[176], norm1[176], norm2[176];
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float buf[176 * 2], lowband_scratch[176], norm1[176], norm2[176];
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float dist, cost, err_x = 0.0f, err_y = 0.0f;
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float *X = buf;
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float *X_orig = f->block[0].coeffs + (ff_celt_freq_bands[band] << f->size);
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@ -921,13 +912,13 @@ float ff_celt_quant_band_cost(CeltFrame *f, OpusRangeCoder *rc, int band, float
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}
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if (f->dual_stereo) {
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ff_celt_encode_band(f, rc, band, X, NULL, band_size, b / 2, f->blocks, NULL,
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pvq->encode_band(pvq, f, rc, band, X, NULL, band_size, b / 2, f->blocks, NULL,
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f->size, norm1, 0, 1.0f, lowband_scratch, cm[0]);
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ff_celt_encode_band(f, rc, band, Y, NULL, band_size, b / 2, f->blocks, NULL,
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pvq->encode_band(pvq, f, rc, band, Y, NULL, band_size, b / 2, f->blocks, NULL,
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f->size, norm2, 0, 1.0f, lowband_scratch, cm[1]);
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} else {
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ff_celt_encode_band(f, rc, band, X, Y, band_size, b, f->blocks, NULL, f->size,
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pvq->encode_band(pvq, f, rc, band, X, Y, band_size, b, f->blocks, NULL, f->size,
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norm1, 0, 1.0f, lowband_scratch, cm[0] | cm[1]);
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}
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@ -944,3 +935,24 @@ float ff_celt_quant_band_cost(CeltFrame *f, OpusRangeCoder *rc, int band, float
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return lambda*dist*cost;
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}
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int av_cold ff_celt_pvq_init(CeltPVQ **pvq)
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{
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CeltPVQ *s = av_malloc(sizeof(CeltPVQ));
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if (!s)
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return AVERROR(ENOMEM);
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s->pvq_search = ppp_pvq_search_c;
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s->decode_band = pvq_decode_band;
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s->encode_band = pvq_encode_band;
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s->band_cost = pvq_band_cost;
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*pvq = s;
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return 0;
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}
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void av_cold ff_celt_pvq_uninit(CeltPVQ **pvq)
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{
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av_freep(pvq);
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}
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@ -23,22 +23,28 @@
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#ifndef AVCODEC_OPUS_PVQ_H
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#define AVCODEC_OPUS_PVQ_H
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#include "opus.h"
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#include "opus_celt.h"
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/* Decodes a band using PVQ */
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uint32_t ff_celt_decode_band(CeltFrame *f, OpusRangeCoder *rc, const int band,
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float *X, float *Y, int N, int b, uint32_t blocks,
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float *lowband, int duration, float *lowband_out, int level,
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float gain, float *lowband_scratch, int fill);
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#define QUANT_FN(name) uint32_t (name)(struct CeltPVQ *pvq, CeltFrame *f, \
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OpusRangeCoder *rc, const int band, float *X, \
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float *Y, int N, int b, uint32_t blocks, \
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float *lowband, int duration, \
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float *lowband_out, int level, float gain, \
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float *lowband_scratch, int fill)
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/* Encodes a band using PVQ */
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uint32_t ff_celt_encode_band(CeltFrame *f, OpusRangeCoder *rc, const int band,
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float *X, float *Y, int N, int b, uint32_t blocks,
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float *lowband, int duration, float *lowband_out, int level,
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float gain, float *lowband_scratch, int fill);
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struct CeltPVQ {
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DECLARE_ALIGNED(32, int, qcoeff )[176];
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DECLARE_ALIGNED(32, float, hadamard_tmp)[176];
|
||||
|
||||
float ff_celt_quant_band_cost(CeltFrame *f, OpusRangeCoder *rc, int band,
|
||||
float *bits, float lambda);
|
||||
float (*pvq_search)(float *X, int *y, int K, int N);
|
||||
|
||||
QUANT_FN(*decode_band);
|
||||
QUANT_FN(*encode_band);
|
||||
float (*band_cost)(struct CeltPVQ *pvq, CeltFrame *f, OpusRangeCoder *rc,
|
||||
int band, float *bits, float lambda);
|
||||
};
|
||||
|
||||
int ff_celt_pvq_init (struct CeltPVQ **pvq);
|
||||
void ff_celt_pvq_uninit(struct CeltPVQ **pvq);
|
||||
|
||||
#endif /* AVCODEC_OPUS_PVQ_H */
|
||||
|
||||
@ -55,6 +55,7 @@ typedef struct OpusEncContext {
|
||||
AudioFrameQueue afq;
|
||||
AVFloatDSPContext *dsp;
|
||||
MDCT15Context *mdct[CELT_BLOCK_NB];
|
||||
CeltPVQ *pvq;
|
||||
struct FFBufQueue bufqueue;
|
||||
|
||||
enum OpusMode mode;
|
||||
@ -797,15 +798,15 @@ static void celt_quant_bands(OpusRangeCoder *rc, CeltFrame *f)
|
||||
}
|
||||
|
||||
if (f->dual_stereo) {
|
||||
cm[0] = ff_celt_encode_band(f, rc, i, X, NULL, band_size, b / 2, f->blocks,
|
||||
cm[0] = f->pvq->encode_band(f->pvq, f, rc, i, X, NULL, band_size, b / 2, f->blocks,
|
||||
effective_lowband != -1 ? norm + (effective_lowband << f->size) : NULL, f->size,
|
||||
norm + band_offset, 0, 1.0f, lowband_scratch, cm[0]);
|
||||
|
||||
cm[1] = ff_celt_encode_band(f, rc, i, Y, NULL, band_size, b / 2, f->blocks,
|
||||
cm[1] = f->pvq->encode_band(f->pvq, f, rc, i, Y, NULL, band_size, b / 2, f->blocks,
|
||||
effective_lowband != -1 ? norm2 + (effective_lowband << f->size) : NULL, f->size,
|
||||
norm2 + band_offset, 0, 1.0f, lowband_scratch, cm[1]);
|
||||
} else {
|
||||
cm[0] = ff_celt_encode_band(f, rc, i, X, Y, band_size, b, f->blocks,
|
||||
cm[0] = f->pvq->encode_band(f->pvq, f, rc, i, X, Y, band_size, b, f->blocks,
|
||||
effective_lowband != -1 ? norm + (effective_lowband << f->size) : NULL, f->size,
|
||||
norm + band_offset, 0, 1.0f, lowband_scratch, cm[0] | cm[1]);
|
||||
cm[1] = cm[0];
|
||||
@ -883,6 +884,7 @@ static void ff_opus_psy_celt_frame_setup(OpusEncContext *s, CeltFrame *f, int in
|
||||
|
||||
f->avctx = s->avctx;
|
||||
f->dsp = s->dsp;
|
||||
f->pvq = s->pvq;
|
||||
f->start_band = (s->mode == OPUS_MODE_HYBRID) ? 17 : 0;
|
||||
f->end_band = ff_celt_band_end[s->bandwidth];
|
||||
f->channels = s->channels;
|
||||
@ -1019,6 +1021,7 @@ static av_cold int opus_encode_end(AVCodecContext *avctx)
|
||||
for (i = 0; i < CELT_BLOCK_NB; i++)
|
||||
ff_mdct15_uninit(&s->mdct[i]);
|
||||
|
||||
ff_celt_pvq_uninit(&s->pvq);
|
||||
av_freep(&s->dsp);
|
||||
av_freep(&s->frame);
|
||||
av_freep(&s->rc);
|
||||
@ -1075,6 +1078,9 @@ static av_cold int opus_encode_init(AVCodecContext *avctx)
|
||||
|
||||
ff_af_queue_init(avctx, &s->afq);
|
||||
|
||||
if ((ret = ff_celt_pvq_init(&s->pvq)) < 0)
|
||||
return ret;
|
||||
|
||||
if (!(s->dsp = avpriv_float_dsp_alloc(avctx->flags & AV_CODEC_FLAG_BITEXACT)))
|
||||
return AVERROR(ENOMEM);
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user