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feat: Add PlayReady support in HLS. #1011

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Feb 23, 2024
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
#EXT-X-TARGETDURATION:2
#EXT-X-PLAYLIST-TYPE:VOD
#EXT-X-MAP:URI="bear-640x360-audio.mp4",BYTERANGE="1568@0"
#EXT-X-KEY:METHOD=SAMPLE-AES-CTR,URI="data:text/plain;charset=UTF-16;base64,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",KEYFORMATVERSIONS="1",KEYFORMAT="com.microsoft.playready"
#EXT-X-KEY:METHOD=SAMPLE-AES-CTR,URI="data:text/plain;base64,AAAAOHBzc2gAAAAA7e+LqXnWSs6jyCfc1R0h7QAAABgSEDEyMzQ1Njc4OTAxMjM0NTZI49yVmwY=",KEYID=0x31323334353637383930313233343536,KEYFORMATVERSIONS="1",KEYFORMAT="urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed"
#EXT-X-KEY:METHOD=SAMPLE-AES-CTR,URI="skd://www.license.com/getkey?KeyId=31323334-3536-3738-3930-313233343536",KEYFORMATVERSIONS="1",KEYFORMAT="com.apple.streamingkeydelivery"
#EXTINF:1.022,
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
#EXT-X-TARGETDURATION:2
#EXT-X-PLAYLIST-TYPE:VOD
#EXT-X-MAP:URI="bear-640x360-video.mp4",BYTERANGE="1692@0"
#EXT-X-KEY:METHOD=SAMPLE-AES-CTR,URI="data:text/plain;charset=UTF-16;base64,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",KEYFORMATVERSIONS="1",KEYFORMAT="com.microsoft.playready"
#EXT-X-KEY:METHOD=SAMPLE-AES-CTR,URI="data:text/plain;base64,AAAAOHBzc2gAAAAA7e+LqXnWSs6jyCfc1R0h7QAAABgSEDEyMzQ1Njc4OTAxMjM0NTZI49yVmwY=",KEYID=0x31323334353637383930313233343536,KEYFORMATVERSIONS="1",KEYFORMAT="urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed"
#EXT-X-KEY:METHOD=SAMPLE-AES-CTR,URI="skd://www.license.com/getkey?KeyId=31323334-3536-3738-3930-313233343536",KEYFORMATVERSIONS="1",KEYFORMAT="com.apple.streamingkeydelivery"
#EXTINF:1.001,
Expand Down
23 changes: 22 additions & 1 deletion packager/hls/base/simple_hls_notifier.cc
Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,7 @@ namespace hls {
namespace {

const char kUriBase64Prefix[] = "data:text/plain;base64,";
const char kUriBase64Utf16Prefix[] = "data:text/plain;charset=UTF-16;base64,";
const char kUriFairPlayPrefix[] = "skd://";
const char kWidevineDashIfIopUUID[] =
"urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed";
Expand All @@ -57,6 +58,12 @@ bool IsFairPlaySystemId(const std::vector<uint8_t>& system_id) {
media::kFairPlaySystemId);
}

bool IsPlayReadySystemId(const std::vector<uint8_t>& system_id) {
return system_id.size() == std::size(media::kPlayReadySystemId) &&
std::equal(system_id.begin(), system_id.end(),
media::kPlayReadySystemId);
}

std::string Base64EncodeData(const std::string& prefix,
const std::string& data) {
std::string data_base64;
Expand All @@ -65,7 +72,7 @@ std::string Base64EncodeData(const std::string& prefix,
}

std::string VectorToString(const std::vector<uint8_t>& v) {
return std::string(v.begin(), v.end());
return std::string(v.begin(), v.end());
}

// Segment URL is relative to either output directory or the directory
Expand Down Expand Up @@ -471,6 +478,20 @@ bool SimpleHlsNotifier::NotifyEncryptionUpdate(
"1", media_playlist.get());
return true;
}
if (IsPlayReadySystemId(system_id)) {
std::unique_ptr<media::PsshBoxBuilder> b =
media::PsshBoxBuilder::ParseFromBox(
protection_system_specific_data.data(),
protection_system_specific_data.size());
std::string pssh_data(reinterpret_cast<const char*>(b->pssh_data().data()),
b->pssh_data().size());
std::string key_uri_data_base64 =
Base64EncodeData(kUriBase64Utf16Prefix, pssh_data);
NotifyEncryptionToMediaPlaylist(encryption_method, key_uri_data_base64,
empty_key_id, iv, "com.microsoft.playready",
"1", media_playlist.get());
return true;
}

LOG(WARNING) << "HLS: Ignore unknown or unsupported system ID: "
<< absl::BytesToHexString(absl::string_view(
Expand Down