| Message ID | 20230404141831.51853-1-leo.izen@gmail.com |
|---|---|
| State | New |
| Headers | show |
| Series | [FFmpeg-devel] avcodec/libjxlenc: use reciprocol gamma for GAMMA22 and GAMMA28 | expand |
| Context | Check | Description |
|---|---|---|
| andriy/make_x86 | success | Make finished |
| andriy/make_fate_x86 | success | Make fate finished |
On 4/4/23 10:18, Leo Izen wrote: > libjxl rejects JxlColorEncoding->gamma 2.2f or 2.8f and expects > 0.45455f or 0.35714f, respectively. Pushed as 1179bb703e35.
diff --git a/libavcodec/libjxlenc.c b/libavcodec/libjxlenc.c index 897452f575..82dfe189d6 100644 --- a/libavcodec/libjxlenc.c +++ b/libavcodec/libjxlenc.c @@ -335,11 +335,11 @@ static int libjxl_encode_frame(AVCodecContext *avctx, AVPacket *pkt, const AVFra break; case AVCOL_TRC_GAMMA22: jxl_color.transfer_function = JXL_TRANSFER_FUNCTION_GAMMA; - jxl_color.gamma = 2.2; + jxl_color.gamma = 0.45455; break; case AVCOL_TRC_GAMMA28: jxl_color.transfer_function = JXL_TRANSFER_FUNCTION_GAMMA; - jxl_color.gamma = 2.8; + jxl_color.gamma = 0.35714; break; default: if (pix_desc->flags & AV_PIX_FMT_FLAG_FLOAT) {
libjxl rejects JxlColorEncoding->gamma 2.2f or 2.8f and expects 0.45455f or 0.35714f, respectively. Signed-off-by: Leo Izen <leo.izen@gmail.com> --- libavcodec/libjxlenc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)