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Code Issues Releases Activity

avfilter/avf_showcwt: improve caching of some arrays

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This commit is contained in:
Paul B Mahol 2023-07-30 15:11:53 +02:00
parent 4f8b0beeba
commit 6f552b9c5e
1 changed files with 16 additions and 10 deletions
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26
libavfilter/avf_showcwt.c
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@ -402,6 +402,7 @@ static int draw(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
const int count = s->frequency_band_count;
const int start = (count * jobnr) / nb_jobs;
const int end = (count * (jobnr+1)) / nb_jobs;
const int nb_channels = s->nb_channels;
const int ihop_index = s->ihop_index;
const int ihop_size = s->ihop_size;
const float rotation = s->rotation;
@ -414,8 +415,8 @@ static int draw(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
float Y, U, V;
for (int y = start; y < end; y++) {
const AVComplexFloat *src = ((const AVComplexFloat *)s->ch_out->extended_data[0]) +
y * ihop_size + ihop_index;
const AVComplexFloat *src = ((const AVComplexFloat *)s->ch_out->extended_data[y]) +
0 * ihop_size + ihop_index;
switch (direction) {
case DIRECTION_LR:
@ -471,8 +472,7 @@ static int draw(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
switch (mode) {
case 4:
{
const AVComplexFloat *src2 = ((const AVComplexFloat *)s->ch_out->extended_data[FFMIN(1, s->nb_channels - 1)]) +
y * ihop_size + ihop_index;
const AVComplexFloat *src2 = (nb_channels > 1) ? src + ihop_size: src;
float z, u, v;
z = hypotf(src[0].re + src2[0].re, src[0].im + src2[0].im);
@ -511,11 +511,10 @@ static int draw(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
Y = 0.f;
U = V = 0.5f;
for (int ch = 0; ch < nb_channels; ch++) {
const AVComplexFloat *src = ((const AVComplexFloat *)s->ch_out->extended_data[ch]) +
y * ihop_size + ihop_index;
const AVComplexFloat *srcn = src + ihop_size * ch;
float z;
z = hypotf(src[0].re, src[0].im);
z = hypotf(srcn[0].re, srcn[0].im);
z = remap_log(z, log_factor);
Y += z * yf;
@ -591,7 +590,7 @@ static int run_channel_cwt(AVFilterContext *ctx, void *arg, int jobnr, int nb_jo
const int end = (count * (jobnr+1)) / nb_jobs;
for (int y = start; y < end; y++) {
AVComplexFloat *chout = ((AVComplexFloat *)s->ch_out->extended_data[ch]) + y * ihop_size;
AVComplexFloat *chout = ((AVComplexFloat *)s->ch_out->extended_data[y]) + ch * ihop_size;
AVComplexFloat *over = ((AVComplexFloat *)s->over->extended_data[ch]) + y * ihop_size;
AVComplexFloat *dstx = (AVComplexFloat *)s->dst_x->extended_data[jobnr];
AVComplexFloat *srcx = (AVComplexFloat *)s->src_x->extended_data[jobnr];
@ -720,7 +719,7 @@ static int compute_kernel(AVFilterContext *ctx)
}
for (int n = 0; n < size; n++)
index[n] = n % s->output_padding_size;
index[n] = n & (s->output_padding_size - 1);
av_log(ctx, AV_LOG_DEBUG, "range_min: %d\n", range_min);
av_log(ctx, AV_LOG_DEBUG, "range_max: %d\n", range_max);
@ -818,11 +817,11 @@ static int config_output(AVFilterLink *outlink)
s->src_x = av_frame_alloc();
s->kernel = av_calloc(s->frequency_band_count, sizeof(*s->kernel));
s->cache = ff_get_audio_buffer(inlink, s->hop_size);
s->ch_out = ff_get_audio_buffer(inlink, s->frequency_band_count * 2 * s->ihop_size);
s->over = ff_get_audio_buffer(inlink, s->frequency_band_count * 2 * s->ihop_size);
s->bh_out = ff_get_audio_buffer(inlink, s->frequency_band_count);
s->ifft_in = av_frame_alloc();
s->ifft_out = av_frame_alloc();
s->ch_out = av_frame_alloc();
s->index = av_calloc(s->input_padding_size, sizeof(*s->index));
s->kernel_start = av_calloc(s->frequency_band_count, sizeof(*s->kernel_start));
s->kernel_stop = av_calloc(s->frequency_band_count, sizeof(*s->kernel_stop));
@ -831,6 +830,13 @@ static int config_output(AVFilterLink *outlink)
!s->frequency_band || !s->cache || !s->index || !s->bh_out || !s->kernel)
return AVERROR(ENOMEM);
s->ch_out->format = inlink->format;
s->ch_out->nb_samples = 2 * s->ihop_size * inlink->ch_layout.nb_channels;
s->ch_out->ch_layout.nb_channels = s->frequency_band_count;
ret = av_frame_get_buffer(s->ch_out, 0);
if (ret < 0)
return ret;
s->ifft_in->format = inlink->format;
s->ifft_in->nb_samples = s->ifft_in_size * 2;
s->ifft_in->ch_layout.nb_channels = s->nb_threads;