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2026-09-15 19:47:11

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Signed-off-by: lizzie <lizzie@eden-emu.dev>
This commit is contained in:
lizzie
2026-09-15 19:47:11 +00:00
parent 1eb44e3ea6
commit c9d5ddab57
1 changed files with 14 additions and 7 deletions
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src/video_core/host1x/codecs/vp9.cpp
+14 -7
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@@ -892,21 +892,28 @@ void VpxRangeEncoder::Write(bool bit, s32 probability) {
count += shift; count += shift;
if (count >= 0) { if (count >= 0) {
const s32 offset = shift - count; auto const write_byte = [&](u8 byte) {
if (stream_pos == stream_data.size()) {
stream_data.push_back(byte);
++stream_pos;
} else {
stream_data.insert(stream_data.begin() + stream_pos, byte);
}
};
const s32 offset = shift - count;
if (((low_value << (offset - 1)) >> 31) != 0) { if (((low_value << (offset - 1)) >> 31) != 0) {
auto const current_pos = s32(stream_pos); auto const current_pos = stream_pos;
--stream_pos; --stream_pos;
while (stream_data[stream_pos] == 0xff) { while (stream_data[stream_pos] == 0xff) {
stream_data.resize(stream_pos + 1); write_byte(0);
stream_data[stream_pos++] = 0;
stream_pos -= 2; stream_pos -= 2;
} }
stream_data[stream_pos]++; write_byte(stream_data[stream_pos] + 1);
stream_pos = current_pos; stream_pos = current_pos;
} }
stream_data.resize(stream_pos + 1); write_byte(u8((low_value >> (24 - offset))));
stream_data[stream_pos++] = u8((low_value >> (24 - offset))); ++stream_pos;
low_value <<= offset; low_value <<= offset;
shift = count; shift = count;