// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/40285824): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif
#include "media/base/android/media_codec_bridge_impl.h"
#include <stddef.h>
#include <stdint.h>
#include <memory>
#include <string>
#include "base/containers/extend.h"
#include "base/containers/to_vector.h"
#include "base/files/file_util.h"
#include "base/logging.h"
#include "base/memory/ptr_util.h"
#include "base/time/time.h"
#include "media/base/android/media_codec_util.h"
#include "media/base/decoder_buffer.h"
#include "media/base/media_util.h"
#include "media/base/test_data_util.h"
#include "media/base/video_frame.h"
#include "media/parsers/h264_parser.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "third_party/libyuv/include/libyuv/convert_from.h"
using testing::IsNull;
using testing::NotNull;
namespace {
// The first frame of
// http://www.html5rocks.com/en/tutorials/audio/quick/test.mp3
unsigned char test_mp3[] = {
0xff, 0xfb, 0xd2, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x69, 0x05, 0x00,
0x00, 0x00, 0x00, 0x00, 0x0d, 0x20, 0x00, 0x00, 0x00, 0x2a, 0x7e, 0x40,
0xc0, 0x19, 0x4a, 0x80, 0x0d, 0x60, 0x48, 0x1b, 0x40, 0xf7, 0xbd, 0xb9,
0xd9, 0x40, 0x6f, 0x82, 0x01, 0x8b, 0x17, 0xa0, 0x80, 0xc5, 0x01, 0xad,
0x9a, 0xd3, 0x00, 0x12, 0xc0, 0x72, 0x93, 0x67, 0xd0, 0x03, 0x6f, 0xa4,
0xc0, 0xc3, 0x23, 0xee, 0x9b, 0xc0, 0xcc, 0x02, 0xa0, 0xa1, 0x30, 0x0c,
0x52, 0x2d, 0xfd, 0x6e, 0x08, 0x83, 0x60, 0x40, 0x46, 0x06, 0x4b, 0x20,
0x82, 0x82, 0x7f, 0xd4, 0x81, 0xe7, 0x00, 0x64, 0x20, 0x18, 0xec, 0xc2,
0x06, 0x57, 0x0f, 0x81, 0x93, 0x0b, 0x00, 0x66, 0xe3, 0xb7, 0xe8, 0x32,
0x6e, 0xf0, 0x32, 0xb0, 0x58, 0x0c, 0x7c, 0x3a, 0x03, 0x22, 0x14, 0x80,
0xc9, 0x01, 0x80, 0x30, 0x20, 0x14, 0x0c, 0x96, 0x73, 0xfe, 0x9f, 0x6c,
0x0c, 0xd2, 0x25, 0x0f, 0xdc, 0x0c, 0x32, 0x43, 0x03, 0x27, 0x87, 0xc0,
0xc2, 0xc0, 0x20, 0xfc, 0x42, 0xc5, 0xff, 0xff, 0xd4, 0x80, 0x01, 0x01,
0x80, 0xc3, 0x81, 0x01, 0x95, 0x03, 0x28, 0x82, 0xc0, 0xc3, 0x01, 0xa1,
0x06, 0x81, 0x87, 0xc2, 0x40, 0x64, 0xc1, 0xf0, 0x12, 0x02, 0xff, 0xf6,
0x5b, 0x9f, 0x44, 0xdc, 0xdd, 0x0b, 0x38, 0x59, 0xe0, 0x31, 0x71, 0x60,
0x0c, 0xb4, 0x22, 0x03, 0x3b, 0x96, 0x40, 0xc8, 0x63, 0x90, 0x0a, 0x23,
0x81, 0x9e, 0x4c, 0x20, 0x65, 0xb3, 0x18, 0x19, 0x6c, 0x42, 0x06, 0x36,
0x1d, 0x01, 0x90, 0x87, 0xdf, 0xff, 0xd0, 0x65, 0xa6, 0xea, 0x66, 0xfd,
0x40, 0x0c, 0x48, 0x03, 0x1a, 0x09, 0x01, 0x21, 0x98, 0x19, 0x2c, 0x36,
0x06, 0x43, 0x21, 0x81, 0x92, 0xca, 0x60, 0x64, 0x70, 0xb8, 0x19, 0x20,
0x6c, 0x02, 0x83, 0x80, 0xcb, 0x60, 0x65, 0x32, 0x28, 0x18, 0x64, 0x24,
0x06, 0x3a, 0x0c, 0x00, 0xe1, 0x00, 0x18, 0xd0, 0x35, 0xff, 0xff, 0xff,
0xe8, 0x32, 0xef, 0xb2, 0x90, 0x65, 0xbb, 0xdd, 0x94, 0x82, 0x0b, 0x4c,
0xfa, 0x25, 0xf3, 0x74, 0x13, 0x0f, 0xf8, 0x19, 0x28, 0x84, 0x06, 0x36,
0x11, 0x01, 0x20, 0x80, 0x18, 0xb4, 0x52, 0x0e, 0x15, 0x00, 0x30, 0x50,
0x0c, 0x84, 0x32, 0x03, 0x11, 0x04, 0x03, 0x48, 0x04, 0x00, 0x00, 0x31,
0x21, 0x00, 0x0c, 0x84, 0x18, 0x03, 0x07, 0x85, 0x40, 0xc6, 0xa5, 0x70,
0x32, 0xb8, 0x7c, 0x0c, 0x54, 0x04, 0x00, 0xd0, 0x08, 0x59, 0x58, 0x18,
0x20, 0x14, 0x06, 0x30, 0x30, 0x01, 0x9b, 0x86, 0x00, 0x6b, 0x54, 0xa8,
0x19, 0x8c, 0x2a, 0x06, 0x16, 0x09, 0x01, 0xa0, 0xd0, 0xa0, 0x69, 0x74,
0xb8, 0x19, 0xc4, 0x4a, 0xa3, 0xda, 0x9d, 0x1e, 0x4f, 0x05, 0xc0, 0x5b,
0x0b, 0x03, 0xc2, 0x76, 0xa3, 0x4f, 0xb9, 0x16, 0xc2, 0x70, 0x41, 0x07,
0xa0, 0x84, 0x16, 0x38, 0x4a, 0xc8, 0xaf, 0xee, 0x7f, 0x93, 0xb5, 0x5c,
0x39, 0x1e, 0x29, 0xd9, 0x8c, 0x80, 0xb5, 0x80, 0xe6, 0x85, 0xb2, 0x99,
0x68, 0x85, 0x46, 0x91, 0x60, 0xdb, 0x06, 0xfa, 0x38, 0x7a, 0xc7, 0xac,
0x85, 0xa8, 0xd3, 0xe6, 0x99, 0x3b, 0x66, 0x43, 0x23, 0x1f, 0x84, 0xe1,
0x65, 0x5e, 0xbc, 0x84, 0x18, 0x62, 0xe6, 0x42, 0x0b, 0x82, 0xe4, 0xd3,
0x42, 0xd2, 0x05, 0x81, 0x4e, 0xe4, 0x9f, 0x8c, 0xc8, 0x7f, 0xa3, 0xe0,
0x8d, 0xf1, 0x0f, 0x38, 0xe5, 0x3f, 0xc4, 0x2c, 0x24, 0x65, 0x8d, 0xb9,
0x58, 0xac, 0x39, 0x0e, 0x37, 0x99, 0x2e, 0x85, 0xe0, 0xb7, 0x98, 0x41,
0x20, 0x38, 0x1b, 0x95, 0x07, 0xfa, 0xa8, 0x9c, 0x21, 0x0f, 0x13, 0x8c,
0xa5, 0xc1, 0x76, 0xae, 0x0b, 0xc1, 0x30, 0x27, 0x08, 0xc1, 0xf6, 0x4d,
0xce, 0xb4, 0x41, 0x38, 0x1e, 0x82, 0x10, 0x74, 0x45, 0x91, 0x90, 0xff,
0x41, 0x8b, 0x62, 0x1a, 0x71, 0xb6, 0x45, 0x63, 0x8c, 0xce, 0xb8, 0x54,
0x1b, 0xe8, 0x5d, 0x9e, 0x35, 0x9d, 0x6c, 0xac, 0xe8, 0x83, 0xa1, 0xe9,
0x3f, 0x13, 0x74, 0x11, 0x04, 0x10, 0xf1, 0x37, 0x38, 0xc6, 0x00, 0x60,
0x27, 0x48, 0x38, 0x85, 0x92, 0x76, 0xb7, 0xf3, 0xa7, 0x1c, 0x4b, 0xf9,
0x3b, 0x5a, 0x88, 0xac, 0x60, 0x1b, 0x85, 0x81, 0x16, 0xab, 0x44, 0x17,
0x08, 0x2e, 0x0f, 0xd4, 0xe2, 0xde, 0x49, 0xc9, 0xe1, 0xc0, 0xc0, 0xa0,
0x7e, 0x73, 0xa1, 0x67, 0xf8, 0xf5, 0x9f, 0xc4, 0x21, 0x50, 0x4f, 0x05,
0x2c, 0xfc, 0x5c, 0xaa, 0x85, 0xb0, 0xfa, 0x67, 0x80, 0x7e, 0x0f, 0xfd,
0x92, 0x30, 0xd5, 0xa0, 0xd4, 0x05, 0xdd, 0x06, 0x68, 0x1d, 0x6e, 0x4e,
0x8b, 0x79, 0xd6, 0xfc, 0xff, 0x2e, 0x6e, 0x7c, 0xba, 0x03, 0x90, 0xd4,
0x25, 0x65, 0x8e, 0xe7, 0x3a, 0xd1, 0xd6, 0xdc, 0xf0, 0xbe, 0x12, 0xc4,
0x31, 0x08, 0x16, 0x70, 0x31, 0x85, 0x61, 0x38, 0x27, 0x0a, 0x91, 0x5f,
0x03, 0x38, 0xeb, 0x37, 0x13, 0x48, 0x41, 0xbe, 0x7f, 0x04, 0x70, 0x62,
0x2b, 0x15, 0x91, 0x67, 0x63, 0x4f, 0xad, 0xa7, 0x1d, 0x3f, 0x44, 0x17,
0x02, 0x08, 0x0d, 0xf2, 0xfc, 0x03, 0xa0, 0x74, 0x21, 0x8b, 0x07, 0x3a,
0x8d, 0x0f, 0x54, 0x58, 0x94, 0x12, 0xc5, 0x62, 0x18, 0xb9, 0x42, 0xf0,
0x6c, 0x73, 0xa0, 0x92, 0xad, 0x27, 0x1c, 0x20, 0x0f, 0xc1, 0xca, 0x44,
0x87, 0x47, 0xc5, 0x43, 0x23, 0x01, 0xda, 0x23, 0xe2, 0x89, 0x38, 0x9f,
0x1f, 0x8d, 0x8c, 0xc6, 0x95, 0xa3, 0x34, 0x21, 0x21, 0x2d, 0x49, 0xea,
0x4b, 0x05, 0x85, 0xf5, 0x58, 0x25, 0x13, 0xcd, 0x51, 0x19, 0x1a, 0x88,
0xa6, 0x83, 0xd6, 0xd0, 0xbc, 0x25, 0x19, 0x1c, 0x92, 0x12, 0x44, 0x5d,
0x1c, 0x04, 0xf1, 0x99, 0xdf, 0x92, 0x8e, 0x09, 0x85, 0xf3, 0x88, 0x82,
0x4c, 0x22, 0x17, 0xc5, 0x25, 0x23, 0xed, 0x78, 0xf5, 0x41, 0xd1, 0xe9,
0x8a, 0xb3, 0x52, 0xd1, 0x3d, 0x79, 0x81, 0x4d, 0x31, 0x24, 0xf9, 0x38,
0x96, 0xbc, 0xf4, 0x8c, 0x25, 0xe9, 0xf2, 0x73, 0x94, 0x85, 0xc2, 0x61,
0x6a, 0x34, 0x68, 0x65, 0x78, 0x87, 0xa6, 0x4f};
static const size_t kDecodedAudioLengthInBytes = 9216u;
} // namespace
namespace media {
#define SKIP_TEST_IF_HW_H264_IS_NOT_AVAILABLE() \
do { \
if (!MediaCodecUtil::IsH264EncoderAvailable()) { \
VLOG(0) << "Could not run test - h264 not supported on device."; \
return; \
} \
} while (0)
enum PixelFormat {
// Subset of MediaCodecInfo.CodecCapabilities.
COLOR_FORMAT_YUV420_PLANAR = 19,
COLOR_FORMAT_YUV420_SEMIPLANAR = 21,
};
static const int kPresentationTimeBase = 100;
static const int kMaxInputPts = kPresentationTimeBase + 2;
static inline const base::TimeDelta InfiniteTimeOut() {
return base::Microseconds(-1);
}
void DecodeMediaFrame(MediaCodecBridge* media_codec,
const uint8_t* data,
size_t data_size,
const base::TimeDelta input_presentation_timestamp,
const base::TimeDelta initial_timestamp_lower_bound) {
base::TimeDelta input_pts = input_presentation_timestamp;
base::TimeDelta timestamp = initial_timestamp_lower_bound;
base::TimeDelta new_timestamp;
for (int i = 0; i < 10; ++i) {
int input_buf_index = -1;
MediaCodecResult result =
media_codec->DequeueInputBuffer(InfiniteTimeOut(), &input_buf_index);
ASSERT_TRUE(result.is_ok());
media_codec->QueueInputBuffer(input_buf_index, data, data_size,
input_presentation_timestamp);
size_t unused_offset = 0;
size_t size = 0;
bool eos = false;
int output_buf_index = -1;
result = media_codec->DequeueOutputBuffer(
InfiniteTimeOut(), &output_buf_index, &unused_offset, &size,
&new_timestamp, &eos, nullptr);
if (result.is_ok() && output_buf_index > 0) {
media_codec->ReleaseOutputBuffer(output_buf_index, false);
}
// Output time stamp should not be smaller than old timestamp.
ASSERT_TRUE(new_timestamp >= timestamp);
input_pts += base::Microseconds(33000);
timestamp = new_timestamp;
}
}
// Performs basic, codec-specific sanity checks on the encoded H264 frame:
// - as to key frames, correct sequences of H.264 NALUs (SPS before PPS and
// before slices).
// - as to non key frames, contain no SPS/PPS infront.
void H264Validate(const uint8_t* frame, size_t size) {
H264Parser h264_parser;
h264_parser.SetStream(frame, static_cast<off_t>(size));
bool seen_sps = false;
bool seen_pps = false;
while (1) {
H264NALU nalu;
H264Parser::Result result;
result = h264_parser.AdvanceToNextNALU(&nalu);
if (result == H264Parser::kEOStream)
break;
ASSERT_THAT(result, H264Parser::kOk);
switch (nalu.nal_unit_type) {
case H264NALU::kIDRSlice: {
ASSERT_TRUE(seen_sps);
ASSERT_TRUE(seen_pps);
break;
}
case H264NALU::kNonIDRSlice: {
ASSERT_FALSE(seen_sps);
ASSERT_FALSE(seen_pps);
break;
}
case H264NALU::kSPS: {
int sps_id;
ASSERT_EQ(H264Parser::kOk, h264_parser.ParseSPS(&sps_id));
seen_sps = true;
break;
}
case H264NALU::kPPS: {
ASSERT_TRUE(seen_sps);
int pps_id;
ASSERT_EQ(H264Parser::kOk, h264_parser.ParsePPS(&pps_id));
seen_pps = true;
break;
}
default:
break;
}
}
}
void EncodeMediaFrame(MediaCodecBridge* media_codec,
const uint8_t* src_data,
const int width,
const int height,
const base::TimeDelta input_timestamp) {
int input_buf_index = -1;
MediaCodecResult result =
media_codec->DequeueInputBuffer(InfiniteTimeOut(), &input_buf_index);
ASSERT_TRUE(result.is_ok());
uint8_t* buffer = nullptr;
size_t capacity = 0;
result = media_codec->GetInputBuffer(input_buf_index, &buffer, &capacity);
ASSERT_TRUE(result.is_ok());
int stride, yplane_height;
gfx::Size encoded_size;
result = media_codec->GetInputFormat(&stride, &yplane_height, &encoded_size);
ASSERT_TRUE(result.is_ok());
const gfx::Size uv_plane_size = VideoFrame::PlaneSizeInSamples(
PIXEL_FORMAT_NV12, VideoFrame::Plane::kUV, encoded_size);
const size_t src_size =
// size of Y-plane plus padding till UV-plane
stride * yplane_height +
// size of all UV-plane lines but the last one
(uv_plane_size.height() - 1) * stride +
// size of the very last line in UV-plane (it's not padded to full stride)
uv_plane_size.width() * 2;
ASSERT_LE(src_size, capacity);
// Convert to NV12 because H264 encoder is created with color format
// COLOR_FormatYUV420SemiPlanar, both in main code path and unittest here.
bool converted =
!libyuv::I420ToNV12(src_data, width, src_data + width * height, width / 2,
src_data + width * height * 5 / 4, width / 2, buffer,
stride, buffer + stride * yplane_height, stride,
encoded_size.width(), encoded_size.height());
ASSERT_TRUE(converted);
result = media_codec->QueueInputBuffer(input_buf_index, nullptr, src_size,
input_timestamp);
ASSERT_TRUE(result.is_ok());
int32_t buf_index = -1;
size_t offset = 0;
size_t output_size;
bool key_frame = false;
do {
result = media_codec->DequeueOutputBuffer(InfiniteTimeOut(), &buf_index,
&offset, &output_size, nullptr,
nullptr, &key_frame);
EXPECT_NE(result.code(), MediaCodecResult::Codes::kError);
} while (buf_index < 0);
ASSERT_TRUE(result.is_ok() && buf_index >= 0);
std::unique_ptr<uint8_t[]> output_data =
std::make_unique<uint8_t[]>(output_size);
result = media_codec->CopyFromOutputBuffer(buf_index, offset,
output_data.get(), output_size);
ASSERT_TRUE(result.is_ok());
H264Validate(output_data.get(), output_size);
media_codec->ReleaseOutputBuffer(buf_index, false);
}
AudioDecoderConfig NewAudioConfig(
AudioCodec codec,
std::vector<uint8_t> extra_data = std::vector<uint8_t>(),
base::TimeDelta seek_preroll = base::TimeDelta(),
int64_t codec_delay = 0) {
AudioDecoderConfig config;
config.Initialize(codec, kSampleFormatPlanarF32, CHANNEL_LAYOUT_STEREO, 44100,
extra_data, EncryptionScheme::kUnencrypted, seek_preroll,
codec_delay);
return config;
}
TEST(MediaCodecBridgeTest, CreateH264Decoder) {
VideoCodecConfig config;
config.codec = VideoCodec::kH264;
config.codec_type = CodecType::kAny;
config.initial_expected_coded_size = gfx::Size(640, 480);
MediaCodecBridgeImpl::CreateVideoDecoder(config);
}
TEST(MediaCodecBridgeTest, DoNormal) {
std::unique_ptr<media::MediaCodecBridge> media_codec =
MediaCodecBridgeImpl::CreateAudioDecoder(NewAudioConfig(AudioCodec::kMP3),
nullptr);
ASSERT_THAT(media_codec, NotNull());
int input_buf_index = -1;
MediaCodecResult result =
media_codec->DequeueInputBuffer(InfiniteTimeOut(), &input_buf_index);
ASSERT_TRUE(result.is_ok());
ASSERT_GE(input_buf_index, 0);
int64_t input_pts = kPresentationTimeBase;
media_codec->QueueInputBuffer(input_buf_index, test_mp3, sizeof(test_mp3),
base::Microseconds(++input_pts));
result = media_codec->DequeueInputBuffer(InfiniteTimeOut(), &input_buf_index);
media_codec->QueueInputBuffer(input_buf_index, test_mp3, sizeof(test_mp3),
base::Microseconds(++input_pts));
result = media_codec->DequeueInputBuffer(InfiniteTimeOut(), &input_buf_index);
media_codec->QueueEOS(input_buf_index);
input_pts = kPresentationTimeBase;
bool eos = false;
size_t total_size = 0;
while (!eos) {
size_t unused_offset = 0;
size_t size = 0;
base::TimeDelta timestamp;
int output_buf_index = -1;
result = media_codec->DequeueOutputBuffer(InfiniteTimeOut(),
&output_buf_index, &unused_offset,
&size, ×tamp, &eos, nullptr);
switch (result.code()) {
case MediaCodecResult::Codes::kTryAgainLater:
FAIL();
case MediaCodecResult::Codes::kOutputFormatChanged:
continue;
case MediaCodecResult::Codes::kOutputBuffersChanged:
continue;
default:
break;
}
ASSERT_GE(output_buf_index, 0);
EXPECT_LE(1u, size);
total_size += size;
}
EXPECT_EQ(kDecodedAudioLengthInBytes, total_size);
ASSERT_LE(input_pts, kMaxInputPts);
}
TEST(MediaCodecBridgeTest, InvalidVorbisHeader) {
// The first byte of the header is not 0x02.
std::vector<uint8_t> invalid_first_byte = {{0x00, 0xff, 0xff, 0xff, 0xff}};
ASSERT_THAT(
MediaCodecBridgeImpl::CreateAudioDecoder(
NewAudioConfig(AudioCodec::kVorbis, invalid_first_byte), nullptr),
IsNull());
// Size of the header is too large.
size_t large_size = 8 * 1024 * 1024 + 2;
std::vector<uint8_t> large_header(large_size, 0xff);
large_header.front() = 0x02;
large_header.back() = 0xfe;
ASSERT_THAT(MediaCodecBridgeImpl::CreateAudioDecoder(
NewAudioConfig(AudioCodec::kVorbis, large_header), nullptr),
IsNull());
}
TEST(MediaCodecBridgeTest, InvalidOpusHeader) {
std::vector<uint8_t> dummy_extra_data = {{0, 0}};
// Codec Delay is < 0.
ASSERT_THAT(MediaCodecBridgeImpl::CreateAudioDecoder(
NewAudioConfig(AudioCodec::kOpus, dummy_extra_data,
base::TimeDelta(), -1),
nullptr),
IsNull());
// Seek Preroll is < 0.
ASSERT_THAT(MediaCodecBridgeImpl::CreateAudioDecoder(
NewAudioConfig(AudioCodec::kOpus, dummy_extra_data,
base::Microseconds(-1)),
nullptr),
IsNull());
}
TEST(MediaCodecBridgeTest, PresentationTimestampsDoNotDecrease) {
if (!MediaCodecUtil::IsVp8DecoderAvailable()) {
VLOG(0) << "Could not run test - VP8 not supported on device.";
return;
}
VideoCodecConfig config;
config.codec = VideoCodec::kVP8;
config.codec_type = CodecType::kAny;
config.initial_expected_coded_size = gfx::Size(320, 240);
auto media_codec = MediaCodecBridgeImpl::CreateVideoDecoder(config);
ASSERT_THAT(media_codec, NotNull());
scoped_refptr<DecoderBuffer> buffer = ReadTestDataFile("vp8-I-frame-320x240");
DecodeMediaFrame(media_codec.get(), buffer->data(), buffer->size(),
base::TimeDelta(), base::TimeDelta());
// Simulate a seek to 10 seconds, and each chunk has 2 I-frames.
std::vector<uint8_t> chunk = base::ToVector(base::span(*buffer));
base::Extend(chunk, base::span(*buffer));
media_codec->Flush();
DecodeMediaFrame(media_codec.get(), &chunk[0], chunk.size(),
base::Microseconds(10000000), base::Microseconds(9900000));
// Simulate a seek to 5 seconds.
media_codec->Flush();
DecodeMediaFrame(media_codec.get(), &chunk[0], chunk.size(),
base::Microseconds(5000000), base::Microseconds(4900000));
}
TEST(MediaCodecBridgeTest, CreateUnsupportedCodec) {
EXPECT_THAT(MediaCodecBridgeImpl::CreateAudioDecoder(
NewAudioConfig(AudioCodec::kUnknown), nullptr),
IsNull());
VideoCodecConfig config;
config.codec = VideoCodec::kUnknown;
config.codec_type = CodecType::kAny;
config.initial_expected_coded_size = gfx::Size(320, 240);
EXPECT_THAT(MediaCodecBridgeImpl::CreateVideoDecoder(config), IsNull());
}
// Test MediaCodec HW H264 encoding and validate the format of encoded frames.
TEST(MediaCodecBridgeTest, H264VideoEncodeAndValidate) {
SKIP_TEST_IF_HW_H264_IS_NOT_AVAILABLE();
const int width = 640;
const int height = 360;
const int bit_rate = 300000;
const int frame_rate = 30;
const int i_frame_interval = 20;
const std::set<int> supported_color_formats =
MediaCodecUtil::GetEncoderColorFormats("video/avc");
int color_format;
if (supported_color_formats.count(COLOR_FORMAT_YUV420_SEMIPLANAR) > 0) {
color_format = COLOR_FORMAT_YUV420_SEMIPLANAR;
} else if (supported_color_formats.count(COLOR_FORMAT_YUV420_PLANAR) > 0) {
color_format = COLOR_FORMAT_YUV420_PLANAR;
} else {
VLOG(0) << "Could not run test - YUV420_PLANAR and YUV420_SEMIPLANAR "
"unavailable for h264 encode.";
return;
}
std::unique_ptr<MediaCodecBridge> media_codec(
MediaCodecBridgeImpl::CreateVideoEncoder(
VideoCodec::kH264, gfx::Size(width, height), bit_rate, frame_rate,
i_frame_interval, color_format));
ASSERT_THAT(media_codec, NotNull());
const char kSrcFileName[] = "bali_640x360_P420.yuv";
base::FilePath src_file = GetTestDataFilePath(kSrcFileName);
int64_t src_file_size = 0;
ASSERT_TRUE(base::GetFileSize(src_file, &src_file_size));
const VideoPixelFormat kInputFormat = PIXEL_FORMAT_I420;
const int frame_size = static_cast<int>(
VideoFrame::AllocationSize(kInputFormat, gfx::Size(width, height)));
ASSERT_TRUE(frame_size > 0);
ASSERT_TRUE(src_file_size % frame_size == 0U);
const int num_frames = src_file_size / frame_size;
base::File src(src_file, base::File::FLAG_OPEN | base::File::FLAG_READ);
std::unique_ptr<uint8_t[]> frame_data =
std::make_unique<uint8_t[]>(frame_size);
ASSERT_THAT(
src.Read(0, reinterpret_cast<char*>(frame_data.get()), frame_size),
frame_size);
// A monotonically-growing value.
base::TimeDelta input_timestamp;
// Src_file contains 1 frames. Encode it 3 times.
for (int frame = 0; frame < num_frames && frame < 3; frame++) {
input_timestamp +=
base::Microseconds(base::Time::kMicrosecondsPerSecond / frame_rate);
EncodeMediaFrame(media_codec.get(), frame_data.get(), width, height,
input_timestamp);
}
// Request key frame and encode 3 more frames. The second key frame should
// also contain SPS/PPS NALUs.
media_codec->RequestKeyFrameSoon();
for (int frame = 0; frame < num_frames && frame < 3; frame++) {
input_timestamp +=
base::Microseconds(base::Time::kMicrosecondsPerSecond / frame_rate);
EncodeMediaFrame(media_codec.get(), frame_data.get(), width, height,
input_timestamp);
}
}
} // namespace media
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