diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/video_core/command_classes/codecs/vp9.cpp | 77 | ||||
| -rw-r--r-- | src/video_core/command_classes/codecs/vp9.h | 2 |
2 files changed, 31 insertions, 48 deletions
diff --git a/src/video_core/command_classes/codecs/vp9.cpp b/src/video_core/command_classes/codecs/vp9.cpp index 902bc2a98..b3e3462d6 100644 --- a/src/video_core/command_classes/codecs/vp9.cpp +++ b/src/video_core/command_classes/codecs/vp9.cpp @@ -613,7 +613,7 @@ VpxBitStreamWriter VP9::ComposeUncompressedHeader() { // Reset context prev_frame_probs = default_probs; - swap_next_golden = false; + swap_ref_indices = false; loop_filter_ref_deltas.fill(0); loop_filter_mode_deltas.fill(0); @@ -626,73 +626,57 @@ VpxBitStreamWriter VP9::ComposeUncompressedHeader() { // intra only, meaning the frame can be recreated with no other references current_frame_info.intra_only = true; - } else { - if (!current_frame_info.show_frame) { uncomp_writer.WriteBit(current_frame_info.intra_only); - if (!current_frame_info.last_frame_was_key) { - swap_next_golden = !swap_next_golden; - } } else { current_frame_info.intra_only = false; } if (!current_frame_info.error_resilient_mode) { uncomp_writer.WriteU(0, 2); // Reset frame context. } - - // Last, Golden, Altref frames - std::array<s32, 3> ref_frame_index{0, 1, 2}; - - // Set when next frame is hidden - // altref and golden references are swapped - if (swap_next_golden) { - ref_frame_index = std::array<s32, 3>{0, 2, 1}; + const auto& curr_offsets = current_frame_info.frame_offsets; + const auto& next_offsets = next_frame.info.frame_offsets; + const bool ref_frames_different = curr_offsets[1] != curr_offsets[2]; + const bool next_references_swap = + (next_offsets[1] == curr_offsets[2]) || (next_offsets[2] == curr_offsets[1]); + const bool needs_ref_swap = ref_frames_different && next_references_swap; + if (needs_ref_swap) { + swap_ref_indices = !swap_ref_indices; } - - // update Last Frame - u64 refresh_frame_flags = 1; - - // golden frame may refresh, determined if the next golden frame offset is changed - bool golden_refresh = false; - if (grace_period <= 0) { - for (s32 index = 1; index < 3; ++index) { - if (current_frame_info.frame_offsets[index] != - next_frame.info.frame_offsets[index]) { - current_frame_info.refresh_frame[index] = true; - golden_refresh = true; - grace_period = 3; - } + union { + u32 raw; + BitField<0, 1, u32> refresh_last; + BitField<1, 2, u32> refresh_golden; + BitField<2, 1, u32> refresh_alt; + } refresh_frame_flags; + + refresh_frame_flags.raw = 0; + for (u32 index = 0; index < 3; ++index) { + // Refresh indices that use the current frame as an index + if (curr_offsets[3] == next_offsets[index]) { + refresh_frame_flags.raw |= 1u << index; } } - - if (current_frame_info.show_frame && - (!next_frame.info.show_frame || next_frame.info.is_key_frame)) { - // Update golden frame - refresh_frame_flags = swap_next_golden ? 2 : 4; + if (swap_ref_indices) { + const u32 temp = refresh_frame_flags.refresh_golden; + refresh_frame_flags.refresh_golden.Assign(refresh_frame_flags.refresh_alt.Value()); + refresh_frame_flags.refresh_alt.Assign(temp); } - - if (!current_frame_info.show_frame) { - // Update altref - refresh_frame_flags = swap_next_golden ? 2 : 4; - } else if (golden_refresh) { - refresh_frame_flags = 3; - } - if (current_frame_info.intra_only) { uncomp_writer.WriteU(frame_sync_code, 24); - uncomp_writer.WriteU(static_cast<s32>(refresh_frame_flags), 8); + uncomp_writer.WriteU(refresh_frame_flags.raw, 8); uncomp_writer.WriteU(current_frame_info.frame_size.width - 1, 16); uncomp_writer.WriteU(current_frame_info.frame_size.height - 1, 16); uncomp_writer.WriteBit(false); // Render and frame size different. } else { - uncomp_writer.WriteU(static_cast<s32>(refresh_frame_flags), 8); - - for (s32 index = 1; index < 4; index++) { + const bool swap_indices = needs_ref_swap ^ swap_ref_indices; + const auto ref_frame_index = swap_indices ? std::array{0, 2, 1} : std::array{0, 1, 2}; + uncomp_writer.WriteU(refresh_frame_flags.raw, 8); + for (size_t index = 1; index < 4; index++) { uncomp_writer.WriteU(ref_frame_index[index - 1], 3); uncomp_writer.WriteU(current_frame_info.ref_frame_sign_bias[index], 1); } - uncomp_writer.WriteBit(true); // Frame size with refs. uncomp_writer.WriteBit(false); // Render and frame size different. uncomp_writer.WriteBit(current_frame_info.allow_high_precision_mv); @@ -812,7 +796,6 @@ const std::vector<u8>& VP9::ComposeFrameHeader(const NvdecCommon::NvdecRegisters current_frame_info = curr_frame.info; bitstream = std::move(curr_frame.bit_stream); } - // The uncompressed header routine sets PrevProb parameters needed for the compressed header auto uncomp_writer = ComposeUncompressedHeader(); std::vector<u8> compressed_header = ComposeCompressedHeader(); diff --git a/src/video_core/command_classes/codecs/vp9.h b/src/video_core/command_classes/codecs/vp9.h index 8396c8105..bb4d0d972 100644 --- a/src/video_core/command_classes/codecs/vp9.h +++ b/src/video_core/command_classes/codecs/vp9.h @@ -184,7 +184,7 @@ private: std::array<FrameContexts, 4> frame_ctxs{}; Vp9FrameContainer next_frame{}; Vp9FrameContainer next_next_frame{}; - bool swap_next_golden{}; + bool swap_ref_indices{}; Vp9PictureInfo current_frame_info{}; Vp9EntropyProbs prev_frame_probs{}; |