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Until I find a better method of detecting pix_fmt's that have an alpha channel, I'm going with a simple list. Not sure if this will work well with older versions of FFmpeg though, as these items change over time. Waiting to see how build servers handle it.

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This commit is contained in:
Jonathan Thomas
2021-01-26 17:51:54 -06:00
parent 2563c3c61b
commit 292b9a8a70
1 changed files with 19 additions and 1 deletions
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20
src/FFmpegUtilities.h
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@@ -129,7 +129,25 @@
// Does ffmpeg pixel format contain an alpha channel?
inline static const bool ffmpeg_has_alpha(PixelFormat pix_fmt)
{
if (pix_fmt == AV_PIX_FMT_ARGB || pix_fmt == AV_PIX_FMT_RGBA || pix_fmt == AV_PIX_FMT_ABGR || pix_fmt == AV_PIX_FMT_BGRA || pix_fmt == AV_PIX_FMT_YUVA420P) {
if (pix_fmt == AV_PIX_FMT_ARGB ||
pix_fmt == AV_PIX_FMT_RGBA ||
pix_fmt == AV_PIX_FMT_ABGR ||
pix_fmt == AV_PIX_FMT_BGRA ||
pix_fmt == AV_PIX_FMT_YUVA420P ||
pix_fmt == AV_PIX_FMT_YA16LE ||
pix_fmt == AV_PIX_FMT_YA16BE ||
pix_fmt == AV_PIX_FMT_YA8 ||
pix_fmt == AV_PIX_FMT_GBRAP ||
pix_fmt == AV_PIX_FMT_GBRAP10BE ||
pix_fmt == AV_PIX_FMT_GBRAP10LE ||
pix_fmt == AV_PIX_FMT_GBRAP12BE ||
pix_fmt == AV_PIX_FMT_GBRAP12LE ||
pix_fmt == AV_PIX_FMT_GBRAP16BE ||
pix_fmt == AV_PIX_FMT_GBRAP16LE ||
pix_fmt == AV_PIX_FMT_GBRPF32BE ||
pix_fmt == AV_PIX_FMT_GBRPF32LE ||
pix_fmt == AV_PIX_FMT_GBRAPF32BE ||
pix_fmt == AV_PIX_FMT_GBRAPF32LE) {
return true;
} else {
return false;