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media / gpu / android / video_accelerator_util.cc [blame]
// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/gpu/android/video_accelerator_util.h"
#include "base/android/build_info.h"
#include "base/android/jni_string.h"
#include "base/no_destructor.h"
#include "media/base/media_switches.h"
#include "media/base/video_codecs.h"
// Must come after all headers that specialize FromJniType() / ToJniType().
#include "media/base/android/media_jni_headers/VideoAcceleratorUtil_jni.h"
namespace {
bool isEncoderSupportedProfile(media::VideoCodecProfile profile) {
media::VideoCodec codec = media::VideoCodecProfileToVideoCodec(profile);
if (codec == media::VideoCodec::kHEVC) {
#if BUILDFLAG(ENABLE_HEVC_PARSER_AND_HW_DECODER)
// Currently only 8bit NV12 and I420 encoding is supported, so limit
// this to main profile only just like other platforms.
return base::FeatureList::IsEnabled(media::kPlatformHEVCEncoderSupport) &&
profile == media::VideoCodecProfile::HEVCPROFILE_MAIN;
#else
return false;
#endif
}
return true;
}
} // namespace
namespace media {
const std::vector<MediaCodecEncoderInfo>& GetEncoderInfoCache() {
static const base::NoDestructor<std::vector<MediaCodecEncoderInfo>> infos([] {
// Sadly the NDK doesn't provide a mechanism for accessing the equivalent of
// the SDK's MediaCodecList, so we must call into Java to enumerate support.
JNIEnv* env = jni_zero::AttachCurrentThread();
CHECK(env);
auto java_profiles =
Java_VideoAcceleratorUtil_getSupportedEncoderProfiles(env);
std::vector<MediaCodecEncoderInfo> cpp_infos;
if (!java_profiles) {
// Per histograms this happens ~0% of the time, so no need for fallback.
return cpp_infos;
}
for (auto java_profile : java_profiles.ReadElements<jobject>()) {
MediaCodecEncoderInfo info;
info.profile.profile = static_cast<VideoCodecProfile>(
Java_SupportedProfileAdapter_getProfile(env, java_profile));
if (!isEncoderSupportedProfile(info.profile.profile)) {
continue;
}
info.profile.min_resolution = gfx::Size(
Java_SupportedProfileAdapter_getMinWidth(env, java_profile),
Java_SupportedProfileAdapter_getMinHeight(env, java_profile));
info.profile.max_resolution = gfx::Size(
Java_SupportedProfileAdapter_getMaxWidth(env, java_profile),
Java_SupportedProfileAdapter_getMaxHeight(env, java_profile));
info.profile.max_framerate_numerator =
Java_SupportedProfileAdapter_getMaxFramerateNumerator(env,
java_profile);
info.profile.max_framerate_denominator =
Java_SupportedProfileAdapter_getMaxFramerateDenominator(env,
java_profile);
if (Java_SupportedProfileAdapter_supportsCbr(env, java_profile)) {
info.profile.rate_control_modes |=
VideoEncodeAccelerator::kConstantMode;
}
if (Java_SupportedProfileAdapter_supportsVbr(env, java_profile)) {
info.profile.rate_control_modes |=
VideoEncodeAccelerator::kVariableMode;
}
info.profile.is_software_codec =
Java_SupportedProfileAdapter_isSoftwareCodec(env, java_profile);
int num_temporal_layers =
Java_SupportedProfileAdapter_getMaxNumberOfTemporalLayers(
env, java_profile);
info.profile.scalability_modes.push_back(SVCScalabilityMode::kL1T1);
if (num_temporal_layers >= 2) {
info.profile.scalability_modes.push_back(SVCScalabilityMode::kL1T2);
}
if (num_temporal_layers >= 3) {
info.profile.scalability_modes.push_back(SVCScalabilityMode::kL1T3);
}
info.name = base::android::ConvertJavaStringToUTF8(
Java_SupportedProfileAdapter_getName(env, java_profile));
cpp_infos.push_back(info);
}
// Use a stable sort since codec information is returned in a rank order
// specified by the OEM.
std::stable_sort(
cpp_infos.begin(), cpp_infos.end(),
[](const MediaCodecEncoderInfo& a, const MediaCodecEncoderInfo& b) {
return a.profile.profile < b.profile.profile;
});
return cpp_infos;
}());
return *infos;
}
const std::vector<MediaCodecDecoderInfo>& GetDecoderInfoCache() {
static const base::NoDestructor<std::vector<MediaCodecDecoderInfo>> infos([] {
JNIEnv* env = jni_zero::AttachCurrentThread();
CHECK(env);
auto java_profiles =
Java_VideoAcceleratorUtil_getSupportedDecoderProfiles(env);
std::vector<MediaCodecDecoderInfo> cpp_infos;
if (!java_profiles) {
// Per histograms this happens ~0% of the time, so no need for fallback.
return cpp_infos;
}
for (auto java_profile : java_profiles.ReadElements<jobject>()) {
MediaCodecDecoderInfo info;
info.profile = static_cast<VideoCodecProfile>(
Java_SupportedProfileAdapter_getProfile(env, java_profile));
info.level = Java_SupportedProfileAdapter_getLevel(env, java_profile);
info.coded_size_min = gfx::Size(
Java_SupportedProfileAdapter_getMinWidth(env, java_profile),
Java_SupportedProfileAdapter_getMinHeight(env, java_profile));
info.coded_size_max = gfx::Size(
Java_SupportedProfileAdapter_getMaxWidth(env, java_profile),
Java_SupportedProfileAdapter_getMaxHeight(env, java_profile));
info.is_software_codec =
Java_SupportedProfileAdapter_isSoftwareCodec(env, java_profile);
bool supports_secure_playback =
Java_SupportedProfileAdapter_supportsSecurePlayback(env,
java_profile);
bool requires_secure_playback =
Java_SupportedProfileAdapter_requiresSecurePlayback(env,
java_profile);
// If the decoder requires secure playback, it must support secure
// playback.
DCHECK(!requires_secure_playback || supports_secure_playback);
info.secure_codec_capability =
requires_secure_playback
? SecureCodecCapability::kEncrypted
: (supports_secure_playback ? SecureCodecCapability::kAny
: SecureCodecCapability::kClear);
info.name = base::android::ConvertJavaStringToUTF8(
Java_SupportedProfileAdapter_getName(env, java_profile));
cpp_infos.push_back(info);
}
// Use a stable sort since codec information is returned in a rank order
// specified by the OEM.
std::stable_sort(
cpp_infos.begin(), cpp_infos.end(),
[](const MediaCodecDecoderInfo& a, const MediaCodecDecoderInfo& b) {
return a.profile < b.profile;
});
return cpp_infos;
}());
return *infos;
}
} // namespace media