| // Copyright 2018 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. |
| |
| #ifndef MEDIA_GPU_GPU_VIDEO_ENCODE_ACCELERATOR_HELPERS_H_ |
| #define MEDIA_GPU_GPU_VIDEO_ENCODE_ACCELERATOR_HELPERS_H_ |
| |
| #include "media/gpu/media_gpu_export.h" |
| #include "ui/gfx/geometry/size.h" |
| |
| namespace media { |
| |
| // Helper functions for VideoEncodeAccelerator implementations in GPU process. |
| |
| // Calculate the bitstream buffer size for VideoEncodeAccelerator. |
| // |size|: the resolution of video stream |
| // |bitrate|: the bit rate in bps |
| // |framerate|: the frame rate in fps |
| MEDIA_GPU_EXPORT size_t GetEncodeBitstreamBufferSize(const gfx::Size& size, |
| uint32_t bitrate, |
| uint32_t framerate); |
| |
| // Get the maximum bitstream buffer size for VideoEncodeAccelerator. |
| // |size|: the resolution of video stream |
| MEDIA_GPU_EXPORT size_t GetEncodeBitstreamBufferSize(const gfx::Size& size); |
| |
| } // namespace media |
| |
| #endif // MEDIA_GPU_GPU_VIDEO_ENCODE_ACCELERATOR_HELPERS_H_ |
