| // 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/max_output_buffers_lookup_table.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::MaxMediaCodecOutputBuffersLookupTable; |
| 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 (!mime_type->ValidateBoolParameter("disabledynamicprerollframecount")) { |
| return false; |
| } |
| if (mime_type->GetParamBoolValue("disabledynamicprerollframecount", |
| false)) { |
| MaxMediaCodecOutputBuffersLookupTable::GetInstance()->SetEnabled(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); |
| } |