static int get_encoder_format(struct AVCodec *codec, int srcfmt, bool highdepth)
{
const enum AVPixelFormat *pix_fmts = codec->pix_fmts;
int current = 0;
for (int n = 0; pix_fmts && pix_fmts[n] != AV_PIX_FMT_NONE; n++) {
int fmt = pixfmt2imgfmt(pix_fmts[n]);
if (!fmt)
continue;
// Ignore formats larger than 8 bit per pixel.
if (!highdepth && IMGFMT_RGB_DEPTH(fmt) > 32)
continue;
current = current ? mp_imgfmt_select_best(current, fmt, srcfmt) : fmt;
}
return current;
}
static int find_best_out(vf_instance_t *vf, int in_format)
{
int best = 0;
for (int out_format = IMGFMT_START; out_format < IMGFMT_END; out_format++) {
if (!vf_next_query_format(vf, out_format))
continue;
if (sws_isSupportedOutput(imgfmt2pixfmt(out_format)) < 1)
continue;
if (best) {
int candidate = mp_imgfmt_select_best(best, out_format, in_format);
if (candidate)
best = candidate;
} else {
best = out_format;
}
}
return best;
}