blob: c8942ab6b9126e28152cd9bc37b36b11d22765c7 [file] [log] [blame]
// Copyright 2018 The Fuchsia 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 <cstdint>
#include <ddk/io-buffer.h>
class CodecBuffer;
struct VideoFrame {
~VideoFrame() { io_buffer_release(&buffer); }
io_buffer_t buffer = {};
uint32_t stride = 0; // In bytes.
// These can be odd when decoding VP9, and are preserved as reported from the
// HW. For h264 these are the same as coded_width and coded_height.
uint32_t hw_width = 0; // HW-reported width
uint32_t hw_height = 0; // HW-reported height
// NV12 wants coded_width and coded_height to be even, so we round up the
// hw_width and hw_height to ensure that coded_width and coded_height of the
// NV12 output is even. The display_width and display_height can still be
// odd.
uint32_t coded_width = 0; // rounded-up coded_width for NV12
uint32_t coded_height = 0; // rounded-up coded_height for NV12
uint32_t uv_plane_offset = 0;
// These can be <= coded_width and coded_height respectively, and these can be
// odd (for both h264 and VP9).
uint32_t display_width = 0;
uint32_t display_height = 0;
// Index into the vector of decoded frames - for decoder use only.
uint32_t index = 0xffffffff;
bool has_pts = false;
uint64_t pts = 0;
const CodecBuffer* codec_buffer = nullptr;
// The video frame must be in NV12 format. The output file can be read using
// mplayer -demuxer rawvideo -rawvideo w=320:h=240:format=nv12
void DumpVideoFrameToFile(VideoFrame* frame, const char* filename);