Add an AVOption to the libjxl encoder wrapper, which exposes the flag
uses_original_profile in libjxl. For highly unusual ICC profiles where
the target needs to stay in the original space, this can be useful.
Signed-off-by: Leo Izen <leo.i...@gmail.com>
---
libavcodec/libjxlenc.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libavcodec/libjxlenc.c b/libavcodec/libjxlenc.c
index 67be8a01ca..5541fc2bb3 100644
--- a/libavcodec/libjxlenc.c
+++ b/libavcodec/libjxlenc.c
@@ -52,6 +52,7 @@ typedef struct LibJxlEncodeContext {
int effort;
float distance;
int modular;
+ int xyb;
uint8_t *buffer;
size_t buffer_size;
} LibJxlEncodeContext;
@@ -302,7 +303,7 @@ static int libjxl_encode_frame(AVCodecContext *avctx,
AVPacket *pkt, const AVFra
av_log(avctx, AV_LOG_WARNING, "Unknown color range, assuming full
(pc)\n");
/* bitexact lossless requires there to be no XYB transform */
- info.uses_original_profile = ctx->distance == 0.0;
+ info.uses_original_profile = ctx->distance == 0.0 || !ctx->xyb;
if (JxlEncoderSetBasicInfo(ctx->encoder, &info) != JXL_ENC_SUCCESS) {
av_log(avctx, AV_LOG_ERROR, "Failed to set JxlBasicInfo\n");
@@ -466,6 +467,8 @@ static const AVOption libjxl_encode_options[] = {
{ "distance", "Maximum Butteraugli distance (quality setting, "
"lower = better, zero = lossless, default 1.0)",
OFFSET(distance), AV_OPT_TYPE_FLOAT, { .dbl = -1.0 }, -1.0, 15.0, VE },
{ "modular", "Force modular mode",
OFFSET(modular), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
+ { "xyb", "Use XYB-encoding for lossy images",
OFFSET(xyb),
+ AV_OPT_TYPE_INT, { .i64 = 1 }, 0, 1, VE },
{ NULL },
};
--
2.43.0
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