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vdec/cmpto_j2k: cstream ext info for lossiness information

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If able to get the ext info, show J2K codestream lossiness type. Otherwise, throw a warning, but continue on since it shouldn't affect the ability to decode.
This commit is contained in:
ATrivialAtomic
2025-05-29 12:52:45 -04:00
parent b9d6ed5a42
commit 6db36069ce
1 changed files with 16 additions and 0 deletions
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16
src/video_decompress/cmpto_j2k.cpp
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@@ -632,6 +632,22 @@ static decompress_status j2k_probe_internal_codec(codec_t in_codec, unsigned cha
int msg_level = internal_prop->subsampling == 0 ? LOG_LEVEL_WARNING /* bogus? */ : LOG_LEVEL_VERBOSE;
log_msg(msg_level, "J2K stream properties: %s\n", get_pixdesc_desc(*internal_prop));
// Attempt to get the lossiness info of the image
enum cmpto_codestream_lossiness lossiness;
if (cmpto_j2k_dec_cstream_get_ext_img_info(buffer, len, &info, &lossiness) != CMPTO_OK) {
MSG(WARNING, "J2K failed to get image extended attributes. Unable to read image lossiness info.\n");
} else {
static auto get_lossiness_string = [&lossiness]() {
switch (lossiness) {
case CMPTO_LOSSLESS: return "Lossless";
case CMPTO_LOSSY: return "Lossy";
case CMPTO_MIXED_LOSSINESS: return "Mixed";
default: return "Unknown";
}
};
MSG(INFO, "J2K codestream lossiness: %s\n", get_lossiness_string());
}
return DECODER_GOT_CODEC;
}