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Unified Diff: media/video/gpu_memory_buffer_video_frame_pool.cc

Issue 1304843005: Deal with AllocateGpuMemoryBuffer returning null. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Address reveman's nits. Created 5 years, 3 months ago
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Index: media/video/gpu_memory_buffer_video_frame_pool.cc
diff --git a/media/video/gpu_memory_buffer_video_frame_pool.cc b/media/video/gpu_memory_buffer_video_frame_pool.cc
index ec93342042195c02efd34d3a83c79b76b0d74b31..e4465691975d4c76b6da273ad1e1704ca63e13de 100644
--- a/media/video/gpu_memory_buffer_video_frame_pool.cc
+++ b/media/video/gpu_memory_buffer_video_frame_pool.cc
@@ -226,12 +226,14 @@ void CopyRowsToI420Buffer(int first_row,
const base::Closure& done) {
TRACE_EVENT2("media", "CopyRowsToI420Buffer", "bytes_per_row", bytes_per_row,
"rows", rows);
- DCHECK_NE(dest_stride, 0);
- DCHECK_LE(bytes_per_row, std::abs(dest_stride));
- DCHECK_LE(bytes_per_row, source_stride);
- for (int row = first_row; row < first_row + rows; ++row) {
- memcpy(output + dest_stride * row, source + source_stride * row,
- bytes_per_row);
+ if (output) {
+ DCHECK_NE(dest_stride, 0);
+ DCHECK_LE(bytes_per_row, std::abs(dest_stride));
+ DCHECK_LE(bytes_per_row, source_stride);
+ for (int row = first_row; row < first_row + rows; ++row) {
+ memcpy(output + dest_stride * row, source + source_stride * row,
+ bytes_per_row);
+ }
}
done.Run();
}
@@ -247,24 +249,27 @@ void CopyRowsToNV12Buffer(int first_row,
const base::Closure& done) {
TRACE_EVENT2("media", "CopyRowsToNV12Buffer", "bytes_per_row", bytes_per_row,
"rows", rows);
- DCHECK_NE(dest_stride_y, 0);
- DCHECK_NE(dest_stride_uv, 0);
- DCHECK_LE(bytes_per_row, std::abs(dest_stride_y));
- DCHECK_LE(bytes_per_row, std::abs(dest_stride_uv));
- DCHECK_EQ(0, first_row % 2);
- libyuv::I420ToNV12(
- source_frame->data(VideoFrame::kYPlane) +
- first_row * source_frame->stride(VideoFrame::kYPlane),
- source_frame->stride(VideoFrame::kYPlane),
- source_frame->data(VideoFrame::kUPlane) +
- first_row / 2 * source_frame->stride(VideoFrame::kUPlane),
- source_frame->stride(VideoFrame::kUPlane),
- source_frame->data(VideoFrame::kVPlane) +
- first_row / 2 * source_frame->stride(VideoFrame::kVPlane),
- source_frame->stride(VideoFrame::kVPlane),
- dest_y + first_row * dest_stride_y, dest_stride_y,
- dest_uv + first_row / 2 * dest_stride_uv, dest_stride_uv,
- bytes_per_row, rows);
+ if (dest_y && dest_uv) {
+ DCHECK_NE(dest_stride_y, 0);
+ DCHECK_NE(dest_stride_uv, 0);
+ DCHECK_LE(bytes_per_row, std::abs(dest_stride_y));
+ DCHECK_LE(bytes_per_row, std::abs(dest_stride_uv));
+ DCHECK_EQ(0, first_row % 2);
+
+ libyuv::I420ToNV12(
+ source_frame->data(VideoFrame::kYPlane) +
+ first_row * source_frame->stride(VideoFrame::kYPlane),
+ source_frame->stride(VideoFrame::kYPlane),
+ source_frame->data(VideoFrame::kUPlane) +
+ first_row / 2 * source_frame->stride(VideoFrame::kUPlane),
+ source_frame->stride(VideoFrame::kUPlane),
+ source_frame->data(VideoFrame::kVPlane) +
+ first_row / 2 * source_frame->stride(VideoFrame::kVPlane),
+ source_frame->stride(VideoFrame::kVPlane),
+ dest_y + first_row * dest_stride_y, dest_stride_y,
+ dest_uv + first_row / 2 * dest_stride_uv, dest_stride_uv, bytes_per_row,
+ rows);
+ }
done.Run();
}
@@ -277,20 +282,22 @@ void CopyRowsToUYVYBuffer(int first_row,
const base::Closure& done) {
TRACE_EVENT2("media", "CopyRowsToUYVYBuffer", "bytes_per_row", width * 2,
"rows", rows);
- DCHECK_NE(dest_stride, 0);
- DCHECK_LE(width, std::abs(dest_stride / 2));
- DCHECK_EQ(0, first_row % 2);
- libyuv::I420ToUYVY(
- source_frame->data(VideoFrame::kYPlane) +
- first_row * source_frame->stride(VideoFrame::kYPlane),
- source_frame->stride(VideoFrame::kYPlane),
- source_frame->data(VideoFrame::kUPlane) +
- first_row / 2 * source_frame->stride(VideoFrame::kUPlane),
- source_frame->stride(VideoFrame::kUPlane),
- source_frame->data(VideoFrame::kVPlane) +
- first_row / 2 * source_frame->stride(VideoFrame::kVPlane),
- source_frame->stride(VideoFrame::kVPlane),
- output + first_row * dest_stride, dest_stride, width, rows);
+ if (output) {
+ DCHECK_NE(dest_stride, 0);
+ DCHECK_LE(width, std::abs(dest_stride / 2));
+ DCHECK_EQ(0, first_row % 2);
+ libyuv::I420ToUYVY(
+ source_frame->data(VideoFrame::kYPlane) +
+ first_row * source_frame->stride(VideoFrame::kYPlane),
+ source_frame->stride(VideoFrame::kYPlane),
+ source_frame->data(VideoFrame::kUPlane) +
+ first_row / 2 * source_frame->stride(VideoFrame::kUPlane),
+ source_frame->stride(VideoFrame::kUPlane),
+ source_frame->data(VideoFrame::kVPlane) +
+ first_row / 2 * source_frame->stride(VideoFrame::kVPlane),
+ source_frame->stride(VideoFrame::kVPlane),
+ output + first_row * dest_stride, dest_stride, width, rows);
+ }
done.Run();
}
@@ -401,14 +408,15 @@ void GpuMemoryBufferVideoFramePool::PoolImpl::CopyVideoFrameToGpuMemoryBuffers(
for (size_t i = 0; i < num_planes; i += planes_per_copy) {
gfx::GpuMemoryBuffer* buffer =
frame_resources->plane_resources[i].gpu_memory_buffer.get();
- DCHECK(buffer);
- DCHECK_EQ(planes_per_copy,
- gfx::NumberOfPlanesForBufferFormat(buffer->GetFormat()));
- uint8* dest_buffers[VideoFrame::kMaxPlanes];
- int dest_strides[VideoFrame::kMaxPlanes];
- bool rv = buffer->Map(reinterpret_cast<void**>(dest_buffers));
- DCHECK(rv);
- buffer->GetStride(dest_strides);
+ uint8* dest_buffers[VideoFrame::kMaxPlanes] = {0};
+ int dest_strides[VideoFrame::kMaxPlanes] = {0};
+ if (buffer) {
+ DCHECK_EQ(planes_per_copy,
+ gfx::NumberOfPlanesForBufferFormat(buffer->GetFormat()));
+ bool rv = buffer->Map(reinterpret_cast<void**>(dest_buffers));
+ DCHECK(rv);
+ buffer->GetStride(dest_strides);
+ }
const int rows = VideoFrame::Rows(i, output_format_, size.height());
const int rows_per_copy = RowsPerCopy(i, output_format_, size.width());
@@ -467,21 +475,21 @@ void GpuMemoryBufferVideoFramePool::PoolImpl::
// Set up the planes creating the mailboxes needed to refer to the textures.
for (size_t i = 0; i < num_planes; i += planes_per_copy) {
PlaneResource& plane_resource = frame_resources->plane_resources[i];
- DCHECK(plane_resource.gpu_memory_buffer);
// Bind the texture and create or rebind the image.
gles2->BindTexture(texture_target_, plane_resource.texture_id);
- if (!plane_resource.image_id) {
+ if (plane_resource.gpu_memory_buffer && !plane_resource.image_id) {
const size_t width = VideoFrame::Columns(i, output_format_, size.width());
const size_t height = VideoFrame::Rows(i, output_format_, size.height());
plane_resource.image_id = gles2->CreateImageCHROMIUM(
plane_resource.gpu_memory_buffer->AsClientBuffer(), width, height,
ImageInternalFormat(output_format_, i));
- } else {
+ } else if (plane_resource.image_id) {
gles2->ReleaseTexImage2DCHROMIUM(texture_target_,
plane_resource.image_id);
}
- gles2->BindTexImage2DCHROMIUM(texture_target_, plane_resource.image_id);
+ if (plane_resource.image_id)
+ gles2->BindTexImage2DCHROMIUM(texture_target_, plane_resource.image_id);
mailbox_holders[i] =
gpu::MailboxHolder(plane_resource.mailbox, texture_target_, 0);
}

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