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vcomp/jpegxs: print used bitrate + bpp

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This commit is contained in:
Martin Pulec
2026-03-05 13:53:22 +01:00
parent af317dcc35
commit b22631aa5a
1 changed files with 20 additions and 4 deletions
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24
src/video_compress/jpegxs.cpp
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@@ -89,7 +89,7 @@ struct state_video_compress_jpegxs {
svt_jpeg_xs_frame_pool_t *frame_pool{};
int pool_size = DEFAULT_POOL_SIZE;
long long req_bitrate = -1;
long long req_bitrate = -1; ///< if set to != -1, compute bpp from it
bool configured = 0;
bool reconfiguring = 0;
@@ -229,10 +229,27 @@ ColourFormat subsampling_to_jpegxs(int ug_subs) {
}
}
static void
print_bitrate(long long bitrate, const svt_jpeg_xs_encoder_api_t *encoder)
{
char buf[FORMAT_NUM_MAX_SZ];
MSG(INFO,
"using bitrate %s bps (%" PRIu32 "/%" PRIu32 " bits per pixel)\n",
format_number_with_delim(bitrate, buf, sizeof buf),
encoder->bpp_numerator, encoder->bpp_denominator);
}
static void
set_bitrate(svt_jpeg_xs_encoder_api_t *encoder, long long req_bitrate,
const struct video_desc *desc)
{
if (req_bitrate == -1) { // bpp set, just print bitrate
auto bitrate = (long long) (encoder->bpp_numerator * desc->fps *
desc->width * desc->height /
encoder->bpp_denominator);
print_bitrate(bitrate, encoder);
return;
}
long long numerator = req_bitrate;
long long denominator = desc->width * desc->height * desc->fps;
// reduce numbers to fit uint32_t if num or den is larger
@@ -244,6 +261,7 @@ set_bitrate(svt_jpeg_xs_encoder_api_t *encoder, long long req_bitrate,
assert(denominator > 0);
encoder->bpp_numerator = numerator;
encoder->bpp_denominator = denominator;
print_bitrate(req_bitrate, encoder);
}
static bool configure_with(struct state_video_compress_jpegxs *s, struct video_desc desc)
@@ -275,9 +293,7 @@ static bool configure_with(struct state_video_compress_jpegxs *s, struct video_d
return false;
}
if (s->req_bitrate != -1) {
set_bitrate(&s->encoder, s->req_bitrate, &desc);
}
set_bitrate(&s->encoder, s->req_bitrate, &desc);
err = svt_jpeg_xs_encoder_init(SVT_JPEGXS_API_VER_MAJOR, SVT_JPEGXS_API_VER_MINOR, &s->encoder);
if (err != SvtJxsErrorNone) {