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[XMA] convert GetNextPacketReadOffset from recursion to iterative loop

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This commit is contained in:
Herman S.
2026-02-20 17:50:23 +09:00
parent 470e62af22
commit 51c5936566
1 changed files with 16 additions and 18 deletions
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34
src/xenia/apu/xma_context_new.cc
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@@ -587,26 +587,24 @@ const uint8_t* XmaContextNew::GetNextPacket(
const uint32_t XmaContextNew::GetNextPacketReadOffset( const uint32_t XmaContextNew::GetNextPacketReadOffset(
uint8_t* buffer, uint32_t next_packet_index, uint8_t* buffer, uint32_t next_packet_index,
uint32_t current_input_packet_count) { uint32_t current_input_packet_count) {
if (next_packet_index >= current_input_packet_count) { // Scan forward for the next packet that contains a new frame.
return kBitsPerPacketHeader; while (next_packet_index < current_input_packet_count) {
uint8_t* next_packet = buffer + (next_packet_index * kBytesPerPacket);
const uint32_t packet_frame_offset = xma::GetPacketFrameOffset(next_packet);
if (packet_frame_offset <= kMaxFrameSizeinBits) {
const uint32_t new_input_buffer_offset =
(next_packet_index * kBitsPerPacket) + packet_frame_offset;
XELOGAPU("XmaContext {}: new offset: {} packet_offset: {} packet: {}/{}",
id(), new_input_buffer_offset, packet_frame_offset,
next_packet_index, current_input_packet_count);
return new_input_buffer_offset;
}
next_packet_index++;
} }
uint8_t* next_packet = buffer + (next_packet_index * kBytesPerPacket); return kBitsPerPacketHeader;
const uint32_t packet_frame_offset = xma::GetPacketFrameOffset(next_packet);
if (packet_frame_offset > kMaxFrameSizeinBits) {
const uint32_t offset = GetNextPacketReadOffset(
buffer, next_packet_index + 1, current_input_packet_count);
return offset;
}
const uint32_t new_input_buffer_offset =
(next_packet_index * kBitsPerPacket) + packet_frame_offset;
XELOGAPU("XmaContext {}: new offset: {} packet_offset: {} packet: {}/{}",
id(), new_input_buffer_offset, packet_frame_offset,
next_packet_index, current_input_packet_count);
return new_input_buffer_offset;
} }
const uint32_t XmaContextNew::GetAmountOfBitsToRead( const uint32_t XmaContextNew::GetAmountOfBitsToRead(