static int check_outfmt(vf_instance_t *vf, int outfmt)
{
enum AVPixelFormat pixfmt = imgfmt2pixfmt(outfmt);
if (pixfmt == AV_PIX_FMT_NONE || sws_isSupportedOutput(pixfmt) < 1)
return 0;
return vf_next_query_format(vf, outfmt);
}
void show_pix_fmts(void)
{
enum PixelFormat pix_fmt;
printf(
"Pixel formats:\n"
"I.... = Supported Input format for conversion\n"
".O... = Supported Output format for conversion\n"
"..H.. = Hardware accelerated format\n"
"...P. = Paletted format\n"
"....B = Bitstream format\n"
"FLAGS NAME NB_COMPONENTS BITS_PER_PIXEL\n"
"-----\n");
#if !CONFIG_SWSCALE
# define sws_isSupportedInput(x) 0
# define sws_isSupportedOutput(x) 0
#endif
for (pix_fmt = 0; pix_fmt < PIX_FMT_NB; pix_fmt++) {
const AVPixFmtDescriptor *pix_desc = &av_pix_fmt_descriptors[pix_fmt];
printf("%c%c%c%c%c %-16s %d %2d\n",
sws_isSupportedInput (pix_fmt) ? 'I' : '.',
sws_isSupportedOutput(pix_fmt) ? 'O' : '.',
pix_desc->flags & PIX_FMT_HWACCEL ? 'H' : '.',
pix_desc->flags & PIX_FMT_PAL ? 'P' : '.',
pix_desc->flags & PIX_FMT_BITSTREAM ? 'B' : '.',
pix_desc->name,
pix_desc->nb_components,
av_get_bits_per_pixel(pix_desc));
}
}
bool ImageConverterFF::check() const
{
if (!ImageConverter::check())
return false;
DPTR_D(const ImageConverterFF);
if (sws_isSupportedInput((AVPixelFormat)d.fmt_in) <= 0) {
qWarning("Input pixel format not supported (%s)", av_get_pix_fmt_name((AVPixelFormat)d.fmt_in));
return false;
}
if (sws_isSupportedOutput((AVPixelFormat)d.fmt_out) <= 0) {
qWarning("Output pixel format not supported (%s)", av_get_pix_fmt_name((AVPixelFormat)d.fmt_out));
return false;
}
return true;
}
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;
}