| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "media/base/video_frame.h" |
| |
| #include <algorithm> |
| |
| #include "base/bind.h" |
| #include "base/callback_helpers.h" |
| #include "base/logging.h" |
| #include "base/memory/aligned_memory.h" |
| #include "base/strings/string_piece.h" |
| #include "gpu/command_buffer/common/mailbox_holder.h" |
| #include "media/base/limits.h" |
| #include "media/base/video_util.h" |
| #include "third_party/skia/include/core/SkBitmap.h" |
| |
| namespace media { |
| |
| static inline size_t RoundUp(size_t value, size_t alignment) { |
| // Check that |alignment| is a power of 2. |
| DCHECK((alignment + (alignment - 1)) == (alignment | (alignment - 1))); |
| return ((value + (alignment - 1)) & ~(alignment - 1)); |
| } |
| |
| // static |
| scoped_refptr<VideoFrame> VideoFrame::CreateFrame( |
| VideoFrame::Format format, |
| const gfx::Size& coded_size, |
| const gfx::Rect& visible_rect, |
| const gfx::Size& natural_size, |
| base::TimeDelta timestamp) { |
| // Since we're creating a new YUV frame (and allocating memory for it |
| // ourselves), we can pad the requested |coded_size| if necessary if the |
| // request does not line up on sample boundaries. |
| gfx::Size new_coded_size(coded_size); |
| switch (format) { |
| case VideoFrame::YV24: |
| break; |
| case VideoFrame::YV12: |
| case VideoFrame::YV12A: |
| case VideoFrame::I420: |
| case VideoFrame::YV12J: |
| new_coded_size.set_height((new_coded_size.height() + 1) / 2 * 2); |
| // Fallthrough. |
| case VideoFrame::YV16: |
| new_coded_size.set_width((new_coded_size.width() + 1) / 2 * 2); |
| break; |
| case VideoFrame::UNKNOWN: |
| case VideoFrame::NV12: |
| #if defined(VIDEO_HOLE) |
| case VideoFrame::HOLE: |
| #endif // defined(VIDEO_HOLE) |
| case VideoFrame::NATIVE_TEXTURE: |
| LOG(FATAL) << "Only YUV formats supported: " << format; |
| return NULL; |
| } |
| DCHECK(IsValidConfig(format, new_coded_size, visible_rect, natural_size)); |
| scoped_refptr<VideoFrame> frame( |
| new VideoFrame(format, |
| new_coded_size, |
| visible_rect, |
| natural_size, |
| scoped_ptr<gpu::MailboxHolder>(), |
| timestamp, |
| false)); |
| frame->AllocateYUV(); |
| return frame; |
| } |
| |
| // static |
| std::string VideoFrame::FormatToString(VideoFrame::Format format) { |
| switch (format) { |
| case VideoFrame::UNKNOWN: |
| return "UNKNOWN"; |
| case VideoFrame::YV12: |
| return "YV12"; |
| case VideoFrame::YV16: |
| return "YV16"; |
| case VideoFrame::I420: |
| return "I420"; |
| case VideoFrame::NATIVE_TEXTURE: |
| return "NATIVE_TEXTURE"; |
| #if defined(VIDEO_HOLE) |
| case VideoFrame::HOLE: |
| return "HOLE"; |
| #endif // defined(VIDEO_HOLE) |
| case VideoFrame::YV12A: |
| return "YV12A"; |
| case VideoFrame::YV12J: |
| return "YV12J"; |
| case VideoFrame::NV12: |
| return "NV12"; |
| case VideoFrame::YV24: |
| return "YV24"; |
| } |
| NOTREACHED() << "Invalid videoframe format provided: " << format; |
| return ""; |
| } |
| |
| // static |
| bool VideoFrame::IsValidConfig(VideoFrame::Format format, |
| const gfx::Size& coded_size, |
| const gfx::Rect& visible_rect, |
| const gfx::Size& natural_size) { |
| // Check maximum limits for all formats. |
| if (coded_size.GetArea() > limits::kMaxCanvas || |
| coded_size.width() > limits::kMaxDimension || |
| coded_size.height() > limits::kMaxDimension || |
| visible_rect.x() < 0 || visible_rect.y() < 0 || |
| visible_rect.right() > coded_size.width() || |
| visible_rect.bottom() > coded_size.height() || |
| natural_size.GetArea() > limits::kMaxCanvas || |
| natural_size.width() > limits::kMaxDimension || |
| natural_size.height() > limits::kMaxDimension) |
| return false; |
| |
| // Check format-specific width/height requirements. |
| switch (format) { |
| case VideoFrame::UNKNOWN: |
| return (coded_size.IsEmpty() && visible_rect.IsEmpty() && |
| natural_size.IsEmpty()); |
| case VideoFrame::YV24: |
| break; |
| case VideoFrame::YV12: |
| case VideoFrame::YV12J: |
| case VideoFrame::I420: |
| case VideoFrame::YV12A: |
| case VideoFrame::NV12: |
| // Subsampled YUV formats have width/height requirements. |
| if (static_cast<size_t>(coded_size.height()) < |
| RoundUp(visible_rect.bottom(), 2)) |
| return false; |
| // Fallthrough. |
| case VideoFrame::YV16: |
| if (static_cast<size_t>(coded_size.width()) < |
| RoundUp(visible_rect.right(), 2)) |
| return false; |
| break; |
| case VideoFrame::NATIVE_TEXTURE: |
| #if defined(VIDEO_HOLE) |
| case VideoFrame::HOLE: |
| #endif // defined(VIDEO_HOLE) |
| // NATIVE_TEXTURE and HOLE have no software-allocated buffers and are |
| // allowed to skip the below check and be empty. |
| return true; |
| } |
| |
| // Check that software-allocated buffer formats are not empty. |
| return (!coded_size.IsEmpty() && !visible_rect.IsEmpty() && |
| !natural_size.IsEmpty()); |
| } |
| |
| // static |
| scoped_refptr<VideoFrame> VideoFrame::WrapNativeTexture( |
| scoped_ptr<gpu::MailboxHolder> mailbox_holder, |
| const ReleaseMailboxCB& mailbox_holder_release_cb, |
| const gfx::Size& coded_size, |
| const gfx::Rect& visible_rect, |
| const gfx::Size& natural_size, |
| base::TimeDelta timestamp, |
| const ReadPixelsCB& read_pixels_cb) { |
| scoped_refptr<VideoFrame> frame(new VideoFrame(NATIVE_TEXTURE, |
| coded_size, |
| visible_rect, |
| natural_size, |
| mailbox_holder.Pass(), |
| timestamp, |
| false)); |
| frame->mailbox_holder_release_cb_ = mailbox_holder_release_cb; |
| frame->read_pixels_cb_ = read_pixels_cb; |
| |
| return frame; |
| } |
| |
| void VideoFrame::ReadPixelsFromNativeTexture(const SkBitmap& pixels) { |
| DCHECK_EQ(format_, NATIVE_TEXTURE); |
| if (!read_pixels_cb_.is_null()) |
| read_pixels_cb_.Run(pixels); |
| } |
| |
| // static |
| scoped_refptr<VideoFrame> VideoFrame::WrapExternalPackedMemory( |
| Format format, |
| const gfx::Size& coded_size, |
| const gfx::Rect& visible_rect, |
| const gfx::Size& natural_size, |
| uint8* data, |
| size_t data_size, |
| base::SharedMemoryHandle handle, |
| base::TimeDelta timestamp, |
| const base::Closure& no_longer_needed_cb) { |
| if (!IsValidConfig(format, coded_size, visible_rect, natural_size)) |
| return NULL; |
| if (data_size < AllocationSize(format, coded_size)) |
| return NULL; |
| |
| switch (format) { |
| case VideoFrame::I420: { |
| scoped_refptr<VideoFrame> frame( |
| new VideoFrame(format, |
| coded_size, |
| visible_rect, |
| natural_size, |
| scoped_ptr<gpu::MailboxHolder>(), |
| timestamp, |
| false)); |
| frame->shared_memory_handle_ = handle; |
| frame->strides_[kYPlane] = coded_size.width(); |
| frame->strides_[kUPlane] = coded_size.width() / 2; |
| frame->strides_[kVPlane] = coded_size.width() / 2; |
| frame->data_[kYPlane] = data; |
| frame->data_[kUPlane] = data + coded_size.GetArea(); |
| frame->data_[kVPlane] = data + (coded_size.GetArea() * 5 / 4); |
| frame->no_longer_needed_cb_ = no_longer_needed_cb; |
| return frame; |
| } |
| default: |
| NOTIMPLEMENTED(); |
| return NULL; |
| } |
| } |
| |
| #if defined(OS_POSIX) |
| // static |
| scoped_refptr<VideoFrame> VideoFrame::WrapExternalDmabufs( |
| Format format, |
| const gfx::Size& coded_size, |
| const gfx::Rect& visible_rect, |
| const gfx::Size& natural_size, |
| const std::vector<int> dmabuf_fds, |
| base::TimeDelta timestamp, |
| const base::Closure& no_longer_needed_cb) { |
| if (!IsValidConfig(format, coded_size, visible_rect, natural_size)) |
| return NULL; |
| |
| if (dmabuf_fds.size() != NumPlanes(format)) { |
| LOG(FATAL) << "Not enough dmabuf fds provided!"; |
| return NULL; |
| } |
| |
| scoped_refptr<VideoFrame> frame( |
| new VideoFrame(format, |
| coded_size, |
| visible_rect, |
| natural_size, |
| scoped_ptr<gpu::MailboxHolder>(), |
| timestamp, |
| false)); |
| |
| for (size_t i = 0; i < dmabuf_fds.size(); ++i) { |
| int duped_fd = HANDLE_EINTR(dup(dmabuf_fds[i])); |
| if (duped_fd == -1) { |
| // The already-duped in previous iterations fds will be closed when |
| // the partially-created frame drops out of scope here. |
| DLOG(ERROR) << "Failed duplicating a dmabuf fd"; |
| return NULL; |
| } |
| |
| frame->dmabuf_fds_[i].reset(duped_fd); |
| // Data is accessible only via fds. |
| frame->data_[i] = NULL; |
| frame->strides_[i] = 0; |
| } |
| |
| frame->no_longer_needed_cb_ = no_longer_needed_cb; |
| return frame; |
| } |
| #endif |
| |
| // static |
| scoped_refptr<VideoFrame> VideoFrame::WrapExternalYuvData( |
| Format format, |
| const gfx::Size& coded_size, |
| const gfx::Rect& visible_rect, |
| const gfx::Size& natural_size, |
| int32 y_stride, |
| int32 u_stride, |
| int32 v_stride, |
| uint8* y_data, |
| uint8* u_data, |
| uint8* v_data, |
| base::TimeDelta timestamp, |
| const base::Closure& no_longer_needed_cb) { |
| if (!IsValidConfig(format, coded_size, visible_rect, natural_size)) |
| return NULL; |
| |
| scoped_refptr<VideoFrame> frame( |
| new VideoFrame(format, |
| coded_size, |
| visible_rect, |
| natural_size, |
| scoped_ptr<gpu::MailboxHolder>(), |
| timestamp, |
| false)); |
| frame->strides_[kYPlane] = y_stride; |
| frame->strides_[kUPlane] = u_stride; |
| frame->strides_[kVPlane] = v_stride; |
| frame->data_[kYPlane] = y_data; |
| frame->data_[kUPlane] = u_data; |
| frame->data_[kVPlane] = v_data; |
| frame->no_longer_needed_cb_ = no_longer_needed_cb; |
| return frame; |
| } |
| |
| // static |
| scoped_refptr<VideoFrame> VideoFrame::WrapVideoFrame( |
| const scoped_refptr<VideoFrame>& frame, |
| const gfx::Rect& visible_rect, |
| const gfx::Size& natural_size, |
| const base::Closure& no_longer_needed_cb) { |
| // NATIVE_TEXTURE frames need mailbox info propagated, and there's no support |
| // for that here yet, see http://crbug/362521. |
| CHECK(frame->format() != NATIVE_TEXTURE); |
| |
| DCHECK(frame->visible_rect().Contains(visible_rect)); |
| scoped_refptr<VideoFrame> wrapped_frame( |
| new VideoFrame(frame->format(), |
| frame->coded_size(), |
| visible_rect, |
| natural_size, |
| scoped_ptr<gpu::MailboxHolder>(), |
| frame->timestamp(), |
| frame->end_of_stream())); |
| |
| for (size_t i = 0; i < NumPlanes(frame->format()); ++i) { |
| wrapped_frame->strides_[i] = frame->stride(i); |
| wrapped_frame->data_[i] = frame->data(i); |
| } |
| |
| wrapped_frame->no_longer_needed_cb_ = no_longer_needed_cb; |
| return wrapped_frame; |
| } |
| |
| // static |
| scoped_refptr<VideoFrame> VideoFrame::CreateEOSFrame() { |
| return new VideoFrame(VideoFrame::UNKNOWN, |
| gfx::Size(), |
| gfx::Rect(), |
| gfx::Size(), |
| scoped_ptr<gpu::MailboxHolder>(), |
| kNoTimestamp(), |
| true); |
| } |
| |
| // static |
| scoped_refptr<VideoFrame> VideoFrame::CreateColorFrame( |
| const gfx::Size& size, |
| uint8 y, uint8 u, uint8 v, |
| base::TimeDelta timestamp) { |
| scoped_refptr<VideoFrame> frame = VideoFrame::CreateFrame( |
| VideoFrame::YV12, size, gfx::Rect(size), size, timestamp); |
| FillYUV(frame.get(), y, u, v); |
| return frame; |
| } |
| |
| // static |
| scoped_refptr<VideoFrame> VideoFrame::CreateBlackFrame(const gfx::Size& size) { |
| const uint8 kBlackY = 0x00; |
| const uint8 kBlackUV = 0x80; |
| const base::TimeDelta kZero; |
| return CreateColorFrame(size, kBlackY, kBlackUV, kBlackUV, kZero); |
| } |
| |
| #if defined(VIDEO_HOLE) |
| // This block and other blocks wrapped around #if defined(VIDEO_HOLE) is not |
| // maintained by the general compositor team. Please contact the following |
| // people instead: |
| // |
| // wonsik@chromium.org |
| // ycheo@chromium.org |
| |
| // static |
| scoped_refptr<VideoFrame> VideoFrame::CreateHoleFrame( |
| const gfx::Size& size) { |
| DCHECK(IsValidConfig(VideoFrame::HOLE, size, gfx::Rect(size), size)); |
| scoped_refptr<VideoFrame> frame( |
| new VideoFrame(VideoFrame::HOLE, |
| size, |
| gfx::Rect(size), |
| size, |
| scoped_ptr<gpu::MailboxHolder>(), |
| base::TimeDelta(), |
| false)); |
| return frame; |
| } |
| #endif // defined(VIDEO_HOLE) |
| |
| // static |
| size_t VideoFrame::NumPlanes(Format format) { |
| switch (format) { |
| case VideoFrame::NATIVE_TEXTURE: |
| #if defined(VIDEO_HOLE) |
| case VideoFrame::HOLE: |
| #endif // defined(VIDEO_HOLE) |
| return 0; |
| case VideoFrame::NV12: |
| return 2; |
| case VideoFrame::YV12: |
| case VideoFrame::YV16: |
| case VideoFrame::I420: |
| case VideoFrame::YV12J: |
| case VideoFrame::YV24: |
| return 3; |
| case VideoFrame::YV12A: |
| return 4; |
| case VideoFrame::UNKNOWN: |
| break; |
| } |
| NOTREACHED() << "Unsupported video frame format: " << format; |
| return 0; |
| } |
| |
| |
| // static |
| size_t VideoFrame::AllocationSize(Format format, const gfx::Size& coded_size) { |
| size_t total = 0; |
| for (size_t i = 0; i < NumPlanes(format); ++i) |
| total += PlaneAllocationSize(format, i, coded_size); |
| return total; |
| } |
| |
| // static |
| gfx::Size VideoFrame::PlaneSize(Format format, |
| size_t plane, |
| const gfx::Size& coded_size) { |
| // Align to multiple-of-two size overall. This ensures that non-subsampled |
| // planes can be addressed by pixel with the same scaling as the subsampled |
| // planes. |
| const int width = RoundUp(coded_size.width(), 2); |
| const int height = RoundUp(coded_size.height(), 2); |
| switch (format) { |
| case VideoFrame::YV24: |
| switch (plane) { |
| case VideoFrame::kYPlane: |
| case VideoFrame::kUPlane: |
| case VideoFrame::kVPlane: |
| return gfx::Size(width, height); |
| default: |
| break; |
| } |
| break; |
| case VideoFrame::YV12: |
| case VideoFrame::YV12J: |
| case VideoFrame::I420: |
| switch (plane) { |
| case VideoFrame::kYPlane: |
| return gfx::Size(width, height); |
| case VideoFrame::kUPlane: |
| case VideoFrame::kVPlane: |
| return gfx::Size(width / 2, height / 2); |
| default: |
| break; |
| } |
| break; |
| case VideoFrame::YV12A: |
| switch (plane) { |
| case VideoFrame::kYPlane: |
| case VideoFrame::kAPlane: |
| return gfx::Size(width, height); |
| case VideoFrame::kUPlane: |
| case VideoFrame::kVPlane: |
| return gfx::Size(width / 2, height / 2); |
| default: |
| break; |
| } |
| break; |
| case VideoFrame::YV16: |
| switch (plane) { |
| case VideoFrame::kYPlane: |
| return gfx::Size(width, height); |
| case VideoFrame::kUPlane: |
| case VideoFrame::kVPlane: |
| return gfx::Size(width / 2, height); |
| default: |
| break; |
| } |
| break; |
| case VideoFrame::NV12: |
| switch (plane) { |
| case VideoFrame::kYPlane: |
| return gfx::Size(width, height); |
| case VideoFrame::kUVPlane: |
| return gfx::Size(width, height / 2); |
| default: |
| break; |
| } |
| break; |
| case VideoFrame::UNKNOWN: |
| case VideoFrame::NATIVE_TEXTURE: |
| #if defined(VIDEO_HOLE) |
| case VideoFrame::HOLE: |
| #endif // defined(VIDEO_HOLE) |
| break; |
| } |
| NOTREACHED() << "Unsupported video frame format/plane: " |
| << format << "/" << plane; |
| return gfx::Size(); |
| } |
| |
| size_t VideoFrame::PlaneAllocationSize(Format format, |
| size_t plane, |
| const gfx::Size& coded_size) { |
| // VideoFrame formats are (so far) all YUV and 1 byte per sample. |
| return PlaneSize(format, plane, coded_size).GetArea(); |
| } |
| |
| // static |
| int VideoFrame::PlaneHorizontalBitsPerPixel(Format format, size_t plane) { |
| switch (format) { |
| case VideoFrame::YV24: |
| switch (plane) { |
| case kYPlane: |
| case kUPlane: |
| case kVPlane: |
| return 8; |
| default: |
| break; |
| } |
| break; |
| case VideoFrame::YV12: |
| case VideoFrame::YV16: |
| case VideoFrame::I420: |
| case VideoFrame::YV12J: |
| switch (plane) { |
| case kYPlane: |
| return 8; |
| case kUPlane: |
| case kVPlane: |
| return 2; |
| default: |
| break; |
| } |
| break; |
| case VideoFrame::YV12A: |
| switch (plane) { |
| case kYPlane: |
| case kAPlane: |
| return 8; |
| case kUPlane: |
| case kVPlane: |
| return 2; |
| default: |
| break; |
| } |
| break; |
| case VideoFrame::NV12: |
| switch (plane) { |
| case kYPlane: |
| return 8; |
| case kUVPlane: |
| return 4; |
| default: |
| break; |
| } |
| break; |
| case VideoFrame::UNKNOWN: |
| #if defined(VIDEO_HOLE) |
| case VideoFrame::HOLE: |
| #endif // defined(VIDEO_HOLE) |
| case VideoFrame::NATIVE_TEXTURE: |
| break; |
| } |
| NOTREACHED() << "Unsupported video frame format/plane: " |
| << format << "/" << plane; |
| return 0; |
| } |
| |
| // Release data allocated by AllocateYUV(). |
| static void ReleaseData(uint8* data) { |
| DCHECK(data); |
| base::AlignedFree(data); |
| } |
| |
| void VideoFrame::AllocateYUV() { |
| DCHECK(format_ == VideoFrame::YV12 || format_ == VideoFrame::YV16 || |
| format_ == VideoFrame::YV12A || format_ == VideoFrame::I420 || |
| format_ == VideoFrame::YV12J || format_ == VideoFrame::YV24); |
| // Align Y rows at least at 16 byte boundaries. The stride for both |
| // YV12 and YV16 is 1/2 of the stride of Y. For YV12, every row of bytes for |
| // U and V applies to two rows of Y (one byte of UV for 4 bytes of Y), so in |
| // the case of YV12 the strides are identical for the same width surface, but |
| // the number of bytes allocated for YV12 is 1/2 the amount for U & V as |
| // YV16. We also round the height of the surface allocated to be an even |
| // number to avoid any potential of faulting by code that attempts to access |
| // the Y values of the final row, but assumes that the last row of U & V |
| // applies to a full two rows of Y. YV12A is the same as YV12, but with an |
| // additional alpha plane that has the same size and alignment as the Y plane. |
| size_t y_stride = RoundUp(row_bytes(VideoFrame::kYPlane), |
| kFrameSizeAlignment); |
| size_t uv_stride = RoundUp(row_bytes(VideoFrame::kUPlane), |
| kFrameSizeAlignment); |
| |
| // The *2 here is because some formats (e.g. h264) allow interlaced coding, |
| // and then the size needs to be a multiple of two macroblocks (vertically). |
| // See libavcodec/utils.c:avcodec_align_dimensions2(). |
| size_t y_height = RoundUp(coded_size_.height(), kFrameSizeAlignment * 2); |
| size_t uv_height = |
| (format_ == VideoFrame::YV12 || format_ == VideoFrame::YV12A || |
| format_ == VideoFrame::I420) |
| ? y_height / 2 |
| : y_height; |
| size_t y_bytes = y_height * y_stride; |
| size_t uv_bytes = uv_height * uv_stride; |
| size_t a_bytes = format_ == VideoFrame::YV12A ? y_bytes : 0; |
| |
| // The extra line of UV being allocated is because h264 chroma MC |
| // overreads by one line in some cases, see libavcodec/utils.c: |
| // avcodec_align_dimensions2() and libavcodec/x86/h264_chromamc.asm: |
| // put_h264_chroma_mc4_ssse3(). |
| uint8* data = reinterpret_cast<uint8*>( |
| base::AlignedAlloc( |
| y_bytes + (uv_bytes * 2 + uv_stride) + a_bytes + kFrameSizePadding, |
| kFrameAddressAlignment)); |
| no_longer_needed_cb_ = base::Bind(&ReleaseData, data); |
| COMPILE_ASSERT(0 == VideoFrame::kYPlane, y_plane_data_must_be_index_0); |
| data_[VideoFrame::kYPlane] = data; |
| data_[VideoFrame::kUPlane] = data + y_bytes; |
| data_[VideoFrame::kVPlane] = data + y_bytes + uv_bytes; |
| strides_[VideoFrame::kYPlane] = y_stride; |
| strides_[VideoFrame::kUPlane] = uv_stride; |
| strides_[VideoFrame::kVPlane] = uv_stride; |
| if (format_ == YV12A) { |
| data_[VideoFrame::kAPlane] = data + y_bytes + (2 * uv_bytes); |
| strides_[VideoFrame::kAPlane] = y_stride; |
| } |
| } |
| |
| VideoFrame::VideoFrame(VideoFrame::Format format, |
| const gfx::Size& coded_size, |
| const gfx::Rect& visible_rect, |
| const gfx::Size& natural_size, |
| scoped_ptr<gpu::MailboxHolder> mailbox_holder, |
| base::TimeDelta timestamp, |
| bool end_of_stream) |
| : format_(format), |
| coded_size_(coded_size), |
| visible_rect_(visible_rect), |
| natural_size_(natural_size), |
| mailbox_holder_(mailbox_holder.Pass()), |
| shared_memory_handle_(base::SharedMemory::NULLHandle()), |
| timestamp_(timestamp), |
| end_of_stream_(end_of_stream) { |
| DCHECK(IsValidConfig(format_, coded_size_, visible_rect_, natural_size_)); |
| |
| memset(&strides_, 0, sizeof(strides_)); |
| memset(&data_, 0, sizeof(data_)); |
| } |
| |
| VideoFrame::~VideoFrame() { |
| if (!mailbox_holder_release_cb_.is_null()) { |
| std::vector<uint32> release_sync_points; |
| { |
| base::AutoLock locker(release_sync_point_lock_); |
| release_sync_points_.swap(release_sync_points); |
| } |
| base::ResetAndReturn(&mailbox_holder_release_cb_).Run(release_sync_points); |
| } |
| if (!no_longer_needed_cb_.is_null()) |
| base::ResetAndReturn(&no_longer_needed_cb_).Run(); |
| } |
| |
| bool VideoFrame::IsValidPlane(size_t plane) const { |
| return (plane < NumPlanes(format_)); |
| } |
| |
| int VideoFrame::stride(size_t plane) const { |
| DCHECK(IsValidPlane(plane)); |
| return strides_[plane]; |
| } |
| |
| int VideoFrame::row_bytes(size_t plane) const { |
| DCHECK(IsValidPlane(plane)); |
| int width = coded_size_.width(); |
| switch (format_) { |
| case VideoFrame::YV24: |
| switch (plane) { |
| case kYPlane: |
| case kUPlane: |
| case kVPlane: |
| return width; |
| default: |
| break; |
| } |
| break; |
| case VideoFrame::YV12: |
| case VideoFrame::YV16: |
| case VideoFrame::I420: |
| case VideoFrame::YV12J: |
| switch (plane) { |
| case kYPlane: |
| return width; |
| case kUPlane: |
| case kVPlane: |
| return RoundUp(width, 2) / 2; |
| default: |
| break; |
| } |
| break; |
| case VideoFrame::YV12A: |
| switch (plane) { |
| case kYPlane: |
| case kAPlane: |
| return width; |
| case kUPlane: |
| case kVPlane: |
| return RoundUp(width, 2) / 2; |
| default: |
| break; |
| } |
| break; |
| case VideoFrame::NV12: |
| switch (plane) { |
| case kYPlane: |
| case kUVPlane: |
| return width; |
| default: |
| break; |
| } |
| break; |
| case VideoFrame::UNKNOWN: |
| #if defined(VIDEO_HOLE) |
| case VideoFrame::HOLE: |
| #endif // defined(VIDEO_HOLE) |
| case VideoFrame::NATIVE_TEXTURE: |
| break; |
| } |
| NOTREACHED() << "Unsupported video frame format/plane: " |
| << format_ << "/" << plane; |
| return 0; |
| } |
| |
| int VideoFrame::rows(size_t plane) const { |
| DCHECK(IsValidPlane(plane)); |
| int height = coded_size_.height(); |
| switch (format_) { |
| case VideoFrame::YV24: |
| case VideoFrame::YV16: |
| switch (plane) { |
| case kYPlane: |
| case kUPlane: |
| case kVPlane: |
| return height; |
| default: |
| break; |
| } |
| break; |
| case VideoFrame::YV12: |
| case VideoFrame::YV12J: |
| case VideoFrame::I420: |
| switch (plane) { |
| case kYPlane: |
| return height; |
| case kUPlane: |
| case kVPlane: |
| return RoundUp(height, 2) / 2; |
| default: |
| break; |
| } |
| break; |
| case VideoFrame::YV12A: |
| switch (plane) { |
| case kYPlane: |
| case kAPlane: |
| return height; |
| case kUPlane: |
| case kVPlane: |
| return RoundUp(height, 2) / 2; |
| default: |
| break; |
| } |
| break; |
| case VideoFrame::NV12: |
| switch (plane) { |
| case kYPlane: |
| return height; |
| case kUVPlane: |
| return RoundUp(height, 2) / 2; |
| default: |
| break; |
| } |
| break; |
| case VideoFrame::UNKNOWN: |
| #if defined(VIDEO_HOLE) |
| case VideoFrame::HOLE: |
| #endif // defined(VIDEO_HOLE) |
| case VideoFrame::NATIVE_TEXTURE: |
| break; |
| } |
| NOTREACHED() << "Unsupported video frame format/plane: " |
| << format_ << "/" << plane; |
| return 0; |
| } |
| |
| uint8* VideoFrame::data(size_t plane) const { |
| DCHECK(IsValidPlane(plane)); |
| return data_[plane]; |
| } |
| |
| const gpu::MailboxHolder* VideoFrame::mailbox_holder() const { |
| DCHECK_EQ(format_, NATIVE_TEXTURE); |
| return mailbox_holder_.get(); |
| } |
| |
| base::SharedMemoryHandle VideoFrame::shared_memory_handle() const { |
| return shared_memory_handle_; |
| } |
| |
| void VideoFrame::AppendReleaseSyncPoint(uint32 sync_point) { |
| DCHECK_EQ(format_, NATIVE_TEXTURE); |
| if (!sync_point) |
| return; |
| base::AutoLock locker(release_sync_point_lock_); |
| release_sync_points_.push_back(sync_point); |
| } |
| |
| #if defined(OS_POSIX) |
| int VideoFrame::dmabuf_fd(size_t plane) const { |
| return dmabuf_fds_[plane].get(); |
| } |
| #endif |
| |
| void VideoFrame::HashFrameForTesting(base::MD5Context* context) { |
| for (int plane = 0; plane < kMaxPlanes; ++plane) { |
| if (!IsValidPlane(plane)) |
| break; |
| for (int row = 0; row < rows(plane); ++row) { |
| base::MD5Update(context, base::StringPiece( |
| reinterpret_cast<char*>(data(plane) + stride(plane) * row), |
| row_bytes(plane))); |
| } |
| } |
| } |
| |
| } // namespace media |