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// Copyright 2017 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "starboard/shared/starboard/media/media_support_internal.h"
#include "starboard/android/shared/media_capabilities_cache.h"
#include "starboard/android/shared/media_common.h"
#include "starboard/configuration.h"
#include "starboard/media.h"
#include "starboard/shared/starboard/media/media_util.h"
using starboard::android::shared::MediaCapabilitiesCache;
using starboard::android::shared::SupportedVideoCodecToMimeType;
using starboard::shared::starboard::media::IsSDRVideo;
using starboard::shared::starboard::media::MimeType;
bool SbMediaIsVideoSupported(SbMediaVideoCodec video_codec,
const MimeType* mime_type,
int profile,
int level,
int bit_depth,
SbMediaPrimaryId primary_id,
SbMediaTransferId transfer_id,
SbMediaMatrixId matrix_id,
int frame_width,
int frame_height,
int64_t bitrate,
int fps,
bool decode_to_texture_required) {
const bool must_support_hdr =
!IsSDRVideo(bit_depth, primary_id, transfer_id, matrix_id);
if (must_support_hdr &&
!MediaCapabilitiesCache::GetInstance()
->IsHDRTransferCharacteristicsSupported(transfer_id)) {
return false;
}
// While not necessarily true, for now we assume that all Android devices
// can play decode-to-texture video just as well as normal video.
bool must_support_tunnel_mode = false;
bool force_improved_support_check = true;
int decoder_cache_ttl_ms = -1;
if (mime_type) {
if (!mime_type->is_valid()) {
return false;
}
// Allows for enabling tunneled playback. Disabled by default.
// https://source.android.com/devices/tv/multimedia-tunneling
if (!mime_type->ValidateBoolParameter("tunnelmode")) {
return false;
}
must_support_tunnel_mode =
mime_type->GetParamBoolValue("tunnelmode", false);
// Override endianness on HDR Info header. Defaults to little.
if (!mime_type->ValidateStringParameter("hdrinfoendianness",
"big|little")) {
return false;
}
// Forces the use of specific Android APIs (isSizeSupported() and
// areSizeAndRateSupported()) to determine format support.
if (!mime_type->ValidateBoolParameter("forceimprovedsupportcheck")) {
return false;
}
force_improved_support_check =
mime_type->GetParamBoolValue("forceimprovedsupportcheck", true);
decoder_cache_ttl_ms =
mime_type->GetParamIntValue("decoder_cache_ttl_ms", -1);
// Disable MediaCapabilitiesCache if "disablecache" option presented.
if (!mime_type->ValidateBoolParameter("disablecache")) {
return false;
}
if (mime_type->GetParamBoolValue("disablecache", false)) {
MediaCapabilitiesCache::GetInstance()->SetCacheEnabled(false);
}
}
if (must_support_tunnel_mode && decode_to_texture_required) {
SB_LOG(WARNING) << "Tunnel mode is rejected because output mode decode to "
"texture is required but not supported.";
return false;
}
const char* mime = SupportedVideoCodecToMimeType(video_codec);
if (!mime) {
return false;
}
// We assume that if a device supports a format for clear playback, it will
// also support it for encrypted playback. However, some devices require
// tunneled playback to be encrypted, so we must align the tunnel mode
// requirement with the secure playback requirement.
const bool require_secure_playback = must_support_tunnel_mode;
return MediaCapabilitiesCache::GetInstance()->HasVideoDecoderFor(
mime, require_secure_playback, must_support_hdr, must_support_tunnel_mode,
force_improved_support_check, frame_width, frame_height, bitrate, fps);
}