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avfilter/avf_ahistogram: refactor frame fill data code

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This commit is contained in:
Paul B Mahol 2023-05-30 18:14:27 +02:00
parent c5508f60c2
commit 1636fb415a
1 changed files with 35 additions and 15 deletions
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50
libavfilter/avf_ahistogram.c
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@ -207,6 +207,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
AVFilterContext *ctx = inlink->dst;
AVFilterLink *outlink = ctx->outputs[0];
AudioHistogramContext *s = ctx->priv;
const int nb_samples = in->nb_samples;
const int H = s->histogram_h;
const int w = s->w;
int c, y, n, p, bin, ret;
@ -260,7 +261,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
const float *src = (const float *)in->extended_data[c];
uint64_t *achistogram = &s->achistogram[(s->dmode == SINGLE ? 0: c) * w];
for (n = 0; n < in->nb_samples; n++) {
for (n = 0; n < nb_samples; n++) {
bin = s->get_bin(src[n], w);
achistogram[bin]++;
@ -270,7 +271,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
uint64_t *shistogram = &s->shistogram[(s->dmode == SINGLE ? 0: c) * w];
const float *src2 = (const float *)s->in[s->first]->extended_data[c];
for (n = 0; n < in->nb_samples; n++) {
for (n = 0; n < nb_samples; n++) {
bin = s->get_bin(src2[n], w);
shistogram[bin]++;
@ -283,7 +284,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
const float *src = (const float *)in->extended_data[c];
uint64_t *achistogram = &s->achistogram[(s->dmode == SINGLE ? 0: c) * w];
for (n = 0; n < in->nb_samples; n++) {
for (n = 0; n < nb_samples; n++) {
bin = s->get_bin(src[n], w);
achistogram[bin]++;
@ -293,7 +294,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
uint64_t *shistogram = &s->shistogram[(s->dmode == SINGLE ? 0: c) * w];
const float *src2 = (const float *)s->in[s->first]->extended_data[c];
for (n = 0; n < in->nb_samples; n++) {
for (n = 0; n < nb_samples; n++) {
bin = s->get_bin(src2[n], w);
shistogram[bin]++;
@ -357,10 +358,15 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
h = aa * (H - 1);
if (s->dmode == SINGLE) {
int start = H - h, end = H;
const int linesizey = s->out->linesize[0];
const int linesizea = s->out->linesize[3];
uint8_t *dsty = s->out->data[0] + start * linesizey;
uint8_t *dsta = s->out->data[3] + start * linesizea;
for (y = H - h; y < H; y++) {
s->out->data[0][y * s->out->linesize[0] + n] = 255;
s->out->data[3][y * s->out->linesize[0] + n] = 255;
for (y = start; y < end; y++, dsty += linesizey, dsta += linesizea) {
dsty[n] = 255;
dsta[n] = 255;
}
if (s->h - H > 0) {
@ -372,18 +378,32 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
s->out->data[3][s->ypos * s->out->linesize[3] + n] = 255;
}
} else if (s->dmode == SEPARATE) {
int start = H - h, end = H;
float *out = &s->combine_buffer[3 * n];
const int linesizey = s->out->linesize[0];
const int linesizeu = s->out->linesize[1];
const int linesizev = s->out->linesize[2];
const int linesizea = s->out->linesize[3];
uint8_t *dsty = s->out->data[0] + start * linesizey;
uint8_t *dstu = s->out->data[1] + start * linesizeu;
uint8_t *dstv = s->out->data[2] + start * linesizev;
uint8_t *dsta = s->out->data[3] + start * linesizea;
int old;
old = s->out->data[0][(H - h) * s->out->linesize[0] + n];
for (y = H - h; y < H; y++) {
if (s->out->data[0][y * s->out->linesize[0] + n] != old)
old = dsty[n];
for (y = start; y < end; y++) {
if (dsty[n] != old)
break;
old = s->out->data[0][y * s->out->linesize[0] + n];
s->out->data[0][y * s->out->linesize[0] + n] = av_clip_uint8(yf);
s->out->data[1][y * s->out->linesize[1] + n] = av_clip_uint8(128.f+uf);
s->out->data[2][y * s->out->linesize[2] + n] = av_clip_uint8(128.f+vf);
s->out->data[3][y * s->out->linesize[3] + n] = 255;
old = dsty[n];
dsty[n] = av_clip_uint8(yf);
dstu[n] = av_clip_uint8(128.f+uf);
dstv[n] = av_clip_uint8(128.f+vf);
dsta[n] = 255;
dsty += linesizey;
dstu += linesizeu;
dstv += linesizev;
dsta += linesizea;
}
out[0] += aa * yf;