- fix #2071126, enable support V4L2 stateless decoders for aarch64 plattform
- fix prefers-color-scheme - drop snapshot_blob.bin, replace snapshot_blob.bin with v8_context_snapshot.bin - move headless_lib*.pak to headless subpackageepel8
Than Ngo
2 years ago
parent
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commit e775ac4770bb1e5dfbfe22c5b56752ed4a2317c5
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Author: Hirokazu Honda <hiroh@chromium.org>
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Date: Tue Jan 17 17:54:02 2023 +0000
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Revert "media/gpu/v4l2VEA,IP: Workaround to USERPTR API against read-only buf"
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This reverts commit 203fdd03a4317f2eac57161ee101515a82df704f.
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Reason for revert: This workaround is no longer required because of
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the kernel patch was reverted.
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Original change's description:
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> media/gpu/v4l2VEA,IP: Workaround to USERPTR API against read-only buf
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>
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> VideoFrame fed in VEA::Encode() is read-only since R107 if the
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> VideoFrame has a shared memory. V4L2VideoEncodeAccelerator fails
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> because VIDOC_QBUF with USERPTR buffer fails if the pointers
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> references a read-only buffer.
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> The USERPTR API issue is apparently to be fixed by a kernel side.
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> In the meantime, this CL adds the workaround to the issue; the read
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> only buffer is copied to a writable temporary buffer every Encode
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> before VIDIOC_QBUF.
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> Not that VideoFrame has a shared memory in the case of screen share
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> because a camera stack produces GpuMemoryBuffer.
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>
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> Bug: b:243883312
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> Test: video_encode_accelerator_tests on elm, kevin and trogdor
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> Test: screen share in Google Meet on elm, kevin and trogdor
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> Change-Id: I922d98eaf52f80d9cd6c3784a8544bffb1232856
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> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3891421
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> Reviewed-by: Nathan Hebert <nhebert@chromium.org>
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> Commit-Queue: Hirokazu Honda <hiroh@chromium.org>
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> Cr-Commit-Position: refs/heads/main@{#1046659}
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Bug: b:243883312, b:261660224
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Change-Id: I6fe37276f2ebe8c8730cfd3dd766b04277b32a67
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Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4091205
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Reviewed-by: Nathan Hebert <nhebert@chromium.org>
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Commit-Queue: Hirokazu Honda <hiroh@chromium.org>
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Cr-Commit-Position: refs/heads/main@{#1093388}
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diff --git a/media/gpu/v4l2/v4l2_image_processor_backend.cc b/media/gpu/v4l2/v4l2_image_processor_backend.cc
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index dc72a4ac060a9..f3049f4546e2e 100644
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--- a/media/gpu/v4l2/v4l2_image_processor_backend.cc
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+++ b/media/gpu/v4l2/v4l2_image_processor_backend.cc
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@@ -925,35 +925,16 @@ bool V4L2ImageProcessorBackend::EnqueueInputRecord(
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switch (input_memory_type_) {
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case V4L2_MEMORY_USERPTR: {
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- VideoFrame& frame = *job_record->input_frame;
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const size_t num_planes = V4L2Device::GetNumPlanesOfV4L2PixFmt(
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input_config_.fourcc.ToV4L2PixFmt());
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std::vector<void*> user_ptrs(num_planes);
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- if (frame.storage_type() == VideoFrame::STORAGE_SHMEM) {
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- // TODO(b/243883312): This copies the video frame to a writable buffer
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- // since the USERPTR API requires writable permission. Remove this
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- // workaround once the unreasonable permission is fixed.
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- const size_t buffer_size = frame.shm_region()->GetSize();
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- std::vector<uint8_t> writable_buffer(buffer_size);
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- std::memcpy(writable_buffer.data(), frame.data(0), buffer_size);
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- for (size_t i = 0; i < num_planes; ++i) {
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- const std::intptr_t plane_offset =
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- reinterpret_cast<std::intptr_t>(frame.data(i)) -
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- reinterpret_cast<std::intptr_t>(frame.data(0));
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- user_ptrs[i] = writable_buffer.data() + plane_offset;
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- }
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- job_record->input_frame->AddDestructionObserver(base::BindOnce(
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- [](std::vector<uint8_t>) {}, std::move(writable_buffer)));
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- } else {
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- for (size_t i = 0; i < num_planes; ++i)
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- user_ptrs[i] = frame.writable_data(i);
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- }
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-
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for (size_t i = 0; i < num_planes; ++i) {
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int bytes_used =
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- VideoFrame::PlaneSize(frame.format(), i, input_config_.size)
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+ VideoFrame::PlaneSize(job_record->input_frame->format(), i,
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+ input_config_.size)
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.GetArea();
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buffer.SetPlaneBytesUsed(i, bytes_used);
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+ user_ptrs[i] = const_cast<uint8_t*>(job_record->input_frame->data(i));
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}
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if (!std::move(buffer).QueueUserPtr(user_ptrs)) {
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VPLOGF(1) << "Failed to queue a DMABUF buffer to input queue";
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diff --git a/media/gpu/v4l2/v4l2_video_encode_accelerator.cc b/media/gpu/v4l2/v4l2_video_encode_accelerator.cc
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index 56389ea3eec08..d452ba48a69e2 100644
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--- a/media/gpu/v4l2/v4l2_video_encode_accelerator.cc
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+++ b/media/gpu/v4l2/v4l2_video_encode_accelerator.cc
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@@ -783,7 +783,7 @@ void V4L2VideoEncodeAccelerator::EncodeTask(scoped_refptr<VideoFrame> frame,
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const bool is_expected_storage_type =
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native_input_mode_
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? frame->storage_type() == VideoFrame::STORAGE_GPU_MEMORY_BUFFER
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- : frame->storage_type() == VideoFrame::STORAGE_SHMEM;
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+ : frame->IsMappable();
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if (!is_expected_storage_type) {
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VLOGF(1) << "Unexpected storage: "
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<< VideoFrame::StorageTypeToString(frame->storage_type());
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@@ -1392,27 +1392,16 @@ bool V4L2VideoEncodeAccelerator::EnqueueInputRecord(
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NOTIFY_ERROR(kPlatformFailureError);
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}
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- // TODO(b/243883312): This copies the video frame to a writable buffer
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- // since the USERPTR API requires writable permission. Remove this
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- // workaround once the unreasonable permission is fixed.
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- const size_t buffer_size = frame->shm_region()->GetSize();
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- std::vector<uint8_t> writable_buffer(buffer_size);
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- std::memcpy(writable_buffer.data(), frame->data(0), buffer_size);
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+ // The frame data is readable only and the driver doesn't actually write
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+ // the buffer. But USRPTR buffer needs void*. So const_cast<> is required.
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std::vector<void*> user_ptrs(num_planes);
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for (size_t i = 0; i < num_planes; ++i) {
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- const std::intptr_t plane_offset =
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- reinterpret_cast<std::intptr_t>(frame->data(i)) -
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- reinterpret_cast<std::intptr_t>(frame->data(0));
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- user_ptrs[i] = writable_buffer.data() + plane_offset;
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+ user_ptrs[i] = const_cast<uint8_t*>(frame->data(i));
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}
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-
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if (!std::move(input_buf).QueueUserPtr(std::move(user_ptrs))) {
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- VPLOGF(1) << "Failed to queue a USRPTR buffer to input queue";
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- NOTIFY_ERROR(kPlatformFailureError);
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+ VPLOGF(1) << "Failed queue a USRPTR buffer to input queue";
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return false;
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}
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- frame->AddDestructionObserver(
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- base::DoNothingWithBoundArgs(std::move(writable_buffer)));
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break;
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}
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case V4L2_MEMORY_DMABUF: {
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@@ -1421,6 +1410,7 @@ bool V4L2VideoEncodeAccelerator::EnqueueInputRecord(
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VPLOGF(1) << "Failed queue a DMABUF buffer to input queue";
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return false;
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}
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+
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// Keep |gmb_handle| alive as long as |frame| is alive so that fds passed
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// to the driver are valid during encoding.
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frame->AddDestructionObserver(base::BindOnce(
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