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shaka-packager
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Integrate packager top level library 

Change-Id: Ic2e2ef79d2f5db5aab6565835aaaf6cb1c7e44bb
This commit is contained in:
KongQun Yang 2017-05-22 13:31:41 -07:00
parent db45711750
commit 2816a7262e
21 changed files with 685 additions and 1281 deletions
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1
packager/app/fixed_key_encryption_flags.h
View File

@ -11,6 +11,7 @@
#include <gflags/gflags.h>
// TODO(kqyang): s/fixed/raw/.
DECLARE_bool(enable_fixed_key_encryption);
DECLARE_bool(enable_fixed_key_decryption);
DECLARE_string(key_id);

4
packager/app/hls_flags.cc
View File

@ -13,5 +13,5 @@ DEFINE_string(hls_master_playlist_output,
DEFINE_string(hls_base_url,
"",
"The base URL for the Media Playlists and TS files listed in the "
"playlists. This is the prefix for the files.");
"The base URL for the Media Playlists and media files listed in "
"the playlists. This is the prefix for the files.");

1
packager/app/libcrypto_threading.cc
View File

@ -9,7 +9,6 @@
#include <openssl/thread.h>
#include <memory>
#include <vector>
#include "packager/base/logging.h"
#include "packager/base/synchronization/lock.h"

7
packager/app/mpd_flags.cc
View File

@ -8,6 +8,7 @@
#include "packager/app/mpd_flags.h"
// TODO(kqyang): Rename to generate_static_live_mpd.
DEFINE_bool(generate_static_mpd,
false,
"Set to true to generate static mpd. If segment_template is "
@ -37,7 +38,7 @@ DEFINE_double(minimum_update_period,
5.0,
"Indicates to the player how often to refresh the media "
"presentation description in seconds. This value is used for "
"live profile only.");
"dynamic MPD only.");
DEFINE_double(time_shift_buffer_depth,
1800.0,
"Guaranteed duration of the time shifting buffer for dynamic "
@ -45,7 +46,7 @@ DEFINE_double(time_shift_buffer_depth,
DEFINE_double(suggested_presentation_delay,
0.0,
"Specifies a delay, in seconds, to be added to the media "
"presentation time. This value is used for live profile only.");
"presentation time. This value is used for dynamic MPD only.");
DEFINE_string(default_language,
"",
"Any tracks tagged with this language will have "
@ -53,5 +54,5 @@ DEFINE_string(default_language,
"player to choose the correct default language for the content.");
DEFINE_bool(generate_dash_if_iop_compliant_mpd,
true,
"Try to generate DASH-IF IOPv3 compliant MPD. This is best effort "
"Try to generate DASH-IF IOP compliant MPD. This is best effort "
"and does not guarantee compliance.");

6
packager/app/muxer_flags.cc
View File

@ -44,3 +44,9 @@ DEFINE_string(temp_dir,
DEFINE_bool(mp4_include_pssh_in_stream,
true,
"MP4 only: include pssh in the encrypted stream.");
DEFINE_bool(mp4_use_decoding_timestamp_in_timeline,
false,
"If set, decoding timestamp instead of presentation timestamp will "
"be used when generating media timeline, e.g. timestamps in sidx "
"and mpd. This is to workaround a Chromium bug that decoding "
"timestamp is used in buffered range, https://crbug.com/398130.");

1
packager/app/muxer_flags.h
View File

@ -19,5 +19,6 @@ DECLARE_bool(fragment_sap_aligned);
DECLARE_int32(num_subsegments_per_sidx);
DECLARE_string(temp_dir);
DECLARE_bool(mp4_include_pssh_in_stream);
DECLARE_bool(mp4_use_decoding_timestamp_in_timeline);
#endif // APP_MUXER_FLAGS_H_

663
packager/app/packager_main.cc
View File

@ -7,9 +7,9 @@
#include <gflags/gflags.h>
#include <iostream>
#include "packager/app/crypto_flags.h"
#include "packager/app/fixed_key_encryption_flags.h"
#include "packager/app/hls_flags.h"
#include "packager/app/libcrypto_threading.h"
#include "packager/app/mpd_flags.h"
#include "packager/app/muxer_flags.h"
#include "packager/app/packager_util.h"
@ -19,35 +19,13 @@
#include "packager/app/widevine_encryption_flags.h"
#include "packager/base/at_exit.h"
#include "packager/base/command_line.h"
#include "packager/base/files/file_path.h"
#include "packager/base/logging.h"
#include "packager/base/path_service.h"
#include "packager/base/optional.h"
#include "packager/base/strings/string_number_conversions.h"
#include "packager/base/strings/string_split.h"
#include "packager/base/strings/stringprintf.h"
#include "packager/base/threading/simple_thread.h"
#include "packager/base/time/clock.h"
#include "packager/hls/base/hls_notifier.h"
#include "packager/hls/base/simple_hls_notifier.h"
#include "packager/media/base/container_names.h"
#include "packager/media/base/fourccs.h"
#include "packager/media/base/key_source.h"
#include "packager/media/base/muxer_options.h"
#include "packager/media/base/muxer_util.h"
#include "packager/media/chunking/chunking_handler.h"
#include "packager/media/crypto/encryption_handler.h"
#include "packager/media/demuxer/demuxer.h"
#include "packager/media/event/hls_notify_muxer_listener.h"
#include "packager/media/event/mpd_notify_muxer_listener.h"
#include "packager/media/event/vod_media_info_dump_muxer_listener.h"
#include "packager/media/file/file.h"
#include "packager/media/formats/mp2t/ts_muxer.h"
#include "packager/media/formats/mp4/mp4_muxer.h"
#include "packager/media/formats/webm/webm_muxer.h"
#include "packager/media/trick_play/trick_play_handler.h"
#include "packager/mpd/base/dash_iop_mpd_notifier.h"
#include "packager/mpd/base/media_info.pb.h"
#include "packager/mpd/base/mpd_builder.h"
#include "packager/mpd/base/simple_mpd_notifier.h"
#include "packager/packager.h"
#include "packager/version/version.h"
#if defined(OS_WIN)
@ -56,11 +34,6 @@
#include <locale>
#endif // defined(OS_WIN)
DEFINE_bool(use_fake_clock_for_muxer,
false,
"Set to true to use a fake clock for muxer. With this flag set, "
"creation time and modification time in outputs are set to 0. "
"Should only be used for testing.");
DEFINE_bool(override_version,
false,
"Override packager version in the generated outputs with "
@ -72,7 +45,6 @@ DEFINE_string(test_version,
"false. Should be used for testing only.");
namespace shaka {
namespace media {
namespace {
const char kUsage[] =
@ -96,10 +68,12 @@ const char kUsage[] =
" segment names. If not specified, its value may be estimated.\n"
" - language (lang): Optional value which contains a user-specified\n"
" language tag. If specified, this value overrides any language\n"
" metadata in the input track.\n"
" metadata in the input stream.\n"
" - output_format (format): Optional value which specifies the format\n"
" of the output files (MP4 or WebM). If not specified, it will be\n"
" derived from the file extension of the output file.\n"
" - skip_encryption=0|1: Optional. Defaults to 0 if not specified. If\n"
" it is set to 1, no encryption of the stream will be made.\n"
" - trick_play_factor (tpf): Optional value which specifies the trick\n"
" play, a.k.a. trick mode, stream sampling rate among key frames.\n"
" If specified, the output is a trick play stream.\n"
@ -107,14 +81,10 @@ const char kUsage[] =
" name of the output stream. This is not (necessarily) the same as\n"
" output. This is used as the NAME attribute for EXT-X-MEDIA\n"
" - hls_group_id: Required for audio when outputting HLS.\n"
" The group ID for the output stream. For HLS this is used as the\n"
" GROUP-ID attribute for EXT-X-MEDIA.\n"
" The group ID for the output stream. This is used as the GROUP-ID\n"
" attribute for EXT-X-MEDIA.\n"
" - playlist_name: Required for HLS output.\n"
" Name of the playlist for the stream. Usually ends with '.m3u8'.\n"
" - skip_encryption=0|1: Optional. Defaults to 0 if not specified. If\n"
" it is set to 1, no encryption of the stream will be made.\n";
const char kMediaInfoSuffix[] = ".media_info";
" Name of the playlist for the stream. Usually ends with '.m3u8'.\n";
enum ExitStatus {
kSuccess = 0,
@ -123,444 +93,200 @@ enum ExitStatus {
kInternalError,
};
// TODO(rkuroiwa): Write TTML and WebVTT parser (demuxing) for a better check
// and for supporting live/segmenting (muxing). With a demuxer and a muxer,
// CreateRemuxJobs() shouldn't treat text as a special case.
std::string DetermineTextFileFormat(const std::string& file) {
std::string content;
if (!File::ReadFileToString(file.c_str(), &content)) {
LOG(ERROR) << "Failed to open file " << file
<< " to determine file format.";
return "";
base::Optional<PackagingParams> GetPackagingParams() {
PackagingParams packaging_params;
ChunkingParams& chunking_params = packaging_params.chunking_params;
chunking_params.segment_duration_in_seconds = FLAGS_segment_duration;
chunking_params.subsegment_duration_in_seconds = FLAGS_fragment_duration;
chunking_params.segment_sap_aligned = FLAGS_segment_sap_aligned;
chunking_params.subsegment_sap_aligned = FLAGS_fragment_sap_aligned;
int num_key_providers = 0;
EncryptionParams& encryption_params = packaging_params.encryption_params;
if (FLAGS_enable_widevine_encryption) {
encryption_params.key_provider = KeyProvider::kWidevine;
++num_key_providers;
}
MediaContainerName container_name = DetermineContainer(
reinterpret_cast<const uint8_t*>(content.data()), content.size());
if (container_name == CONTAINER_WEBVTT) {
return "vtt";
} else if (container_name == CONTAINER_TTML) {
return "ttml";
if (FLAGS_enable_playready_encryption) {
encryption_params.key_provider = KeyProvider::kPlayready;
++num_key_providers;
}
if (FLAGS_enable_fixed_key_encryption) {
encryption_params.key_provider = KeyProvider::kRawKey;
++num_key_providers;
}
if (num_key_providers > 1) {
LOG(ERROR) << "Only one of --enable_widevine_encryption, "
"--enable_playready_encryption, "
"--enable_fixed_key_encryption can be enabled.";
return base::nullopt;
}
return "";
if (encryption_params.key_provider != KeyProvider::kNone) {
encryption_params.clear_lead_in_seconds = FLAGS_clear_lead;
encryption_params.protection_scheme = FLAGS_protection_scheme;
encryption_params.crypto_period_duration_in_seconds =
FLAGS_crypto_period_duration;
encryption_params.vp9_subsample_encryption = FLAGS_vp9_subsample_encryption;
encryption_params.stream_label_func = std::bind(
&EncryptionParams::DefaultStreamLabelFunction, FLAGS_max_sd_pixels,
FLAGS_max_hd_pixels, FLAGS_max_uhd1_pixels, std::placeholders::_1);
}
switch (encryption_params.key_provider) {
case KeyProvider::kWidevine: {
WidevineEncryptionParams& widevine = encryption_params.widevine;
widevine.key_server_url = FLAGS_key_server_url;
widevine.include_common_pssh = FLAGS_include_common_pssh;
} // namespace
// A fake clock that always return time 0 (epoch). Should only be used for
// testing.
class FakeClock : public base::Clock {
public:
base::Time Now() override { return base::Time(); }
};
// Demux, Mux(es) and worker thread used to remux a source file/stream.
class RemuxJob : public base::SimpleThread {
public:
RemuxJob(std::unique_ptr<Demuxer> demuxer)
: SimpleThread("RemuxJob"), demuxer_(std::move(demuxer)) {}
~RemuxJob() override {}
Demuxer* demuxer() { return demuxer_.get(); }
Status status() { return status_; }
private:
void Run() override {
DCHECK(demuxer_);
status_ = demuxer_->Run();
if (!base::HexStringToBytes(FLAGS_content_id, &widevine.content_id)) {
LOG(ERROR) << "Invalid content_id hex string specified.";
return base::nullopt;
}
std::unique_ptr<Demuxer> demuxer_;
Status status_;
DISALLOW_COPY_AND_ASSIGN(RemuxJob);
};
bool StreamInfoToTextMediaInfo(const StreamDescriptor& stream_descriptor,
const MuxerOptions& stream_muxer_options,
MediaInfo* text_media_info) {
const std::string& language = stream_descriptor.language;
std::string format = DetermineTextFileFormat(stream_descriptor.input);
if (format.empty()) {
LOG(ERROR) << "Failed to determine the text file format for "
<< stream_descriptor.input;
return false;
widevine.policy = FLAGS_policy;
widevine.signer.signer_name = FLAGS_signer;
if (!FLAGS_aes_signing_key.empty() && !FLAGS_rsa_signing_key_path.empty()) {
LOG(ERROR) << "Only one of --aes_signing_key and "
"--rsa_signing_key_path is needed.";
return base::nullopt;
}
if (!File::Copy(stream_descriptor.input.c_str(),
stream_muxer_options.output_file_name.c_str())) {
LOG(ERROR) << "Failed to copy the input file (" << stream_descriptor.input
<< ") to output file (" << stream_muxer_options.output_file_name
<< ").";
return false;
WidevineSigner& signer = widevine.signer;
if (!FLAGS_aes_signing_key.empty()) {
// TODO(kqyang): Take care of hex conversion and file read here.
signer.signing_key_type = WidevineSigner::SigningKeyType::kAes;
signer.aes.key = FLAGS_aes_signing_key;
signer.aes.iv = FLAGS_aes_signing_iv;
}
text_media_info->set_media_file_name(stream_muxer_options.output_file_name);
text_media_info->set_container_type(MediaInfo::CONTAINER_TEXT);
if (stream_muxer_options.bandwidth != 0) {
text_media_info->set_bandwidth(stream_muxer_options.bandwidth);
} else {
// Text files are usually small and since the input is one file; there's no
// way for the player to do ranged requests. So set this value to something
// reasonable.
text_media_info->set_bandwidth(256);
}
MediaInfo::TextInfo* text_info = text_media_info->mutable_text_info();
text_info->set_format(format);
if (!language.empty())
text_info->set_language(language);
return true;
}
std::shared_ptr<Muxer> CreateOutputMuxer(const MuxerOptions& options,
MediaContainerName container) {
if (container == CONTAINER_WEBM) {
return std::shared_ptr<Muxer>(new webm::WebMMuxer(options));
} else if (container == CONTAINER_MPEG2TS) {
return std::shared_ptr<Muxer>(new mp2t::TsMuxer(options));
} else {
DCHECK_EQ(container, CONTAINER_MOV);
return std::shared_ptr<Muxer>(new mp4::MP4Muxer(options));
if (!FLAGS_rsa_signing_key_path.empty()) {
signer.signing_key_type = WidevineSigner::SigningKeyType::kRsa;
if (!media::File::ReadFileToString(FLAGS_rsa_signing_key_path.c_str(),
&signer.rsa.key)) {
LOG(ERROR) << "Failed to read from '" << FLAGS_rsa_signing_key_path
<< "'.";
return base::nullopt;
}
}
bool CreateRemuxJobs(const StreamDescriptorList& stream_descriptors,
const ChunkingOptions& chunking_options,
const EncryptionOptions& encryption_options,
const MuxerOptions& muxer_options,
FakeClock* fake_clock,
KeySource* encryption_key_source,
MpdNotifier* mpd_notifier,
hls::HlsNotifier* hls_notifier,
std::vector<std::unique_ptr<RemuxJob>>* remux_jobs) {
// No notifiers OR (mpd_notifier XOR hls_notifier); which is NAND.
DCHECK(!(mpd_notifier && hls_notifier));
DCHECK(remux_jobs);
std::shared_ptr<TrickPlayHandler> trick_play_handler;
std::string previous_input;
std::string previous_stream_selector;
int stream_number = 0;
for (StreamDescriptorList::const_iterator
stream_iter = stream_descriptors.begin();
stream_iter != stream_descriptors.end();
++stream_iter, ++stream_number) {
// Process stream descriptor.
MuxerOptions stream_muxer_options(muxer_options);
stream_muxer_options.output_file_name = stream_iter->output;
if (!stream_iter->segment_template.empty()) {
if (!ValidateSegmentTemplate(stream_iter->segment_template)) {
LOG(ERROR) << "ERROR: segment template with '"
<< stream_iter->segment_template << "' is invalid.";
return false;
}
stream_muxer_options.segment_template = stream_iter->segment_template;
}
stream_muxer_options.bandwidth = stream_iter->bandwidth;
if (stream_iter->stream_selector == "text" &&
stream_iter->output_format != CONTAINER_MOV) {
MediaInfo text_media_info;
if (!StreamInfoToTextMediaInfo(*stream_iter, stream_muxer_options,
&text_media_info)) {
return false;
}
if (mpd_notifier) {
uint32_t unused;
if (!mpd_notifier->NotifyNewContainer(text_media_info, &unused)) {
LOG(ERROR) << "Failed to process text file " << stream_iter->input;
} else {
mpd_notifier->Flush();
}
} else if (FLAGS_output_media_info) {
VodMediaInfoDumpMuxerListener::WriteMediaInfoToFile(
text_media_info,
stream_muxer_options.output_file_name + kMediaInfoSuffix);
} else {
NOTIMPLEMENTED()
<< "--mpd_output or --output_media_info flags are "
"required for text output. Skipping manifest related output for "
<< stream_iter->input;
}
continue;
}
if (stream_iter->input != previous_input) {
// New remux job needed. Create demux and job thread.
std::unique_ptr<Demuxer> demuxer(new Demuxer(stream_iter->input));
demuxer->set_dump_stream_info(FLAGS_dump_stream_info);
if (FLAGS_enable_widevine_decryption ||
FLAGS_enable_fixed_key_decryption) {
std::unique_ptr<KeySource> decryption_key_source(
CreateDecryptionKeySource());
if (!decryption_key_source)
return false;
demuxer->SetKeySource(std::move(decryption_key_source));
}
remux_jobs->emplace_back(new RemuxJob(std::move(demuxer)));
trick_play_handler.reset();
previous_input = stream_iter->input;
// Skip setting up muxers if output is not needed.
if (stream_iter->output.empty() && stream_iter->segment_template.empty())
continue;
}
DCHECK(!remux_jobs->empty());
// Each stream selector requires an individual trick play handler.
// E.g., an input with two video streams needs two trick play handlers.
// TODO(hmchen): add a test case in packager_test.py for two video streams
// input.
if (stream_iter->stream_selector != previous_stream_selector) {
previous_stream_selector = stream_iter->stream_selector;
trick_play_handler.reset();
}
std::shared_ptr<Muxer> muxer(
CreateOutputMuxer(stream_muxer_options, stream_iter->output_format));
if (FLAGS_use_fake_clock_for_muxer) muxer->set_clock(fake_clock);
std::unique_ptr<MuxerListener> muxer_listener;
DCHECK(!(FLAGS_output_media_info && mpd_notifier));
if (FLAGS_output_media_info) {
const std::string output_media_info_file_name =
stream_muxer_options.output_file_name + kMediaInfoSuffix;
std::unique_ptr<VodMediaInfoDumpMuxerListener>
vod_media_info_dump_muxer_listener(
new VodMediaInfoDumpMuxerListener(output_media_info_file_name));
muxer_listener = std::move(vod_media_info_dump_muxer_listener);
}
if (mpd_notifier) {
std::unique_ptr<MpdNotifyMuxerListener> mpd_notify_muxer_listener(
new MpdNotifyMuxerListener(mpd_notifier));
muxer_listener = std::move(mpd_notify_muxer_listener);
}
if (hls_notifier) {
// TODO(rkuroiwa): Do some smart stuff to group the audios, e.g. detect
// languages.
std::string group_id = stream_iter->hls_group_id;
std::string name = stream_iter->hls_name;
std::string hls_playlist_name = stream_iter->hls_playlist_name;
if (group_id.empty())
group_id = "audio";
if (name.empty())
name = base::StringPrintf("stream_%d", stream_number);
if (hls_playlist_name.empty())
hls_playlist_name = base::StringPrintf("stream_%d.m3u8", stream_number);
muxer_listener.reset(new HlsNotifyMuxerListener(hls_playlist_name, name,
group_id, hls_notifier));
}
if (muxer_listener)
muxer->SetMuxerListener(std::move(muxer_listener));
// Create a new trick_play_handler. Note that the stream_decriptors
// are sorted so that for the same input and stream_selector, the main
// stream is always the last one following the trick play streams.
if (stream_iter->trick_play_factor > 0) {
if (!trick_play_handler) {
trick_play_handler.reset(new TrickPlayHandler());
}
trick_play_handler->SetHandlerForTrickPlay(stream_iter->trick_play_factor,
std::move(muxer));
if (trick_play_handler->IsConnected())
continue;
} else if (trick_play_handler) {
trick_play_handler->SetHandlerForMainStream(std::move(muxer));
DCHECK(trick_play_handler->IsConnected());
continue;
}
std::vector<std::shared_ptr<MediaHandler>> handlers;
auto chunking_handler = std::make_shared<ChunkingHandler>(chunking_options);
handlers.push_back(chunking_handler);
Status status;
if (encryption_key_source && !stream_iter->skip_encryption) {
auto new_encryption_options = encryption_options;
// Use Sample AES in MPEG2TS.
// TODO(kqyang): Consider adding a new flag to enable Sample AES as we
// will support CENC in TS in the future.
if (stream_iter->output_format == CONTAINER_MPEG2TS) {
LOG(INFO) << "Use Apple Sample AES encryption for MPEG2TS.";
new_encryption_options.protection_scheme =
kAppleSampleAesProtectionScheme;
}
handlers.emplace_back(
new EncryptionHandler(new_encryption_options, encryption_key_source));
}
// If trick_play_handler is available, muxer should already be connected to
// trick_play_handler.
if (trick_play_handler) {
handlers.push_back(trick_play_handler);
} else {
handlers.push_back(std::move(muxer));
}
auto* demuxer = remux_jobs->back()->demuxer();
const std::string& stream_selector = stream_iter->stream_selector;
status.Update(demuxer->SetHandler(stream_selector, chunking_handler));
status.Update(ConnectHandlers(handlers));
if (!status.ok()) {
LOG(ERROR) << "Failed to setup graph: " << status;
return false;
}
if (!stream_iter->language.empty())
demuxer->SetLanguageOverride(stream_selector, stream_iter->language);
}
// Initialize processing graph.
for (const std::unique_ptr<RemuxJob>& job : *remux_jobs) {
Status status = job->demuxer()->Initialize();
if (!status.ok()) {
LOG(ERROR) << "Failed to initialize processing graph " << status;
return false;
}
}
return true;
}
Status RunRemuxJobs(const std::vector<std::unique_ptr<RemuxJob>>& remux_jobs) {
// Start the job threads.
for (const std::unique_ptr<RemuxJob>& job : remux_jobs)
job->Start();
// Wait for all jobs to complete or an error occurs.
Status status;
bool all_joined;
do {
all_joined = true;
for (const std::unique_ptr<RemuxJob>& job : remux_jobs) {
if (job->HasBeenJoined()) {
status = job->status();
if (!status.ok())
break;
} else {
all_joined = false;
job->Join();
}
case KeyProvider::kPlayready: {
PlayreadyEncryptionParams& playready = encryption_params.playready;
playready.key_server_url = FLAGS_playready_server_url;
playready.program_identifier = FLAGS_program_identifier;
playready.ca_file = FLAGS_ca_file;
playready.client_cert_file = FLAGS_client_cert_file;
playready.client_cert_private_key_file =
FLAGS_client_cert_private_key_file;
playready.client_cert_private_key_password =
FLAGS_client_cert_private_key_password;
playready.key_id = FLAGS_playready_key_id;
playready.key = FLAGS_playready_key;
break;
}
} while (!all_joined && status.ok());
return status;
case KeyProvider::kRawKey: {
RawKeyEncryptionParams& raw_key = encryption_params.raw_key;
raw_key.iv = FLAGS_iv;
raw_key.pssh = FLAGS_pssh;
// An empty TrackType specifies the default KeyPair.
RawKeyEncryptionParams::KeyPair& key_pair = raw_key.key_map[""];
// TODO(kqyang): Take care of hex conversion here.
key_pair.key_id = FLAGS_key_id;
key_pair.key = FLAGS_key;
break;
}
case KeyProvider::kNone:
break;
}
bool RunPackager(const StreamDescriptorList& stream_descriptors) {
if (FLAGS_output_media_info && !FLAGS_mpd_output.empty()) {
NOTIMPLEMENTED() << "ERROR: --output_media_info and --mpd_output do not "
"work together.";
return false;
num_key_providers = 0;
DecryptionParams& decryption_params = packaging_params.decryption_params;
if (FLAGS_enable_widevine_decryption) {
decryption_params.key_provider = KeyProvider::kWidevine;
++num_key_providers;
}
// Since there isn't a muxer listener that can output both MPD and HLS,
// disallow specifying both MPD and HLS flags.
if (!FLAGS_mpd_output.empty() && !FLAGS_hls_master_playlist_output.empty()) {
LOG(ERROR) << "Cannot output both MPD and HLS.";
return false;
if (FLAGS_enable_fixed_key_decryption) {
decryption_params.key_provider = KeyProvider::kRawKey;
++num_key_providers;
}
if (num_key_providers > 1) {
LOG(ERROR) << "Only one of --enable_widevine_decryption, "
"--enable_fixed_key_decryption can be enabled.";
return base::nullopt;
}
switch (decryption_params.key_provider) {
case KeyProvider::kWidevine: {
WidevineDecryptionParams& widevine = decryption_params.widevine;
widevine.key_server_url = FLAGS_key_server_url;
ChunkingOptions chunking_options = GetChunkingOptions();
EncryptionOptions encryption_options = GetEncryptionOptions();
MuxerOptions muxer_options = GetMuxerOptions();
DCHECK(!stream_descriptors.empty());
// On demand profile generates single file segment while live profile
// generates multiple segments specified using segment template.
const bool on_demand_dash_profile =
stream_descriptors.begin()->segment_template.empty();
for (const auto& stream_descriptor : stream_descriptors) {
if (on_demand_dash_profile != stream_descriptor.segment_template.empty()) {
LOG(ERROR) << "Inconsistent stream descriptor specification: "
"segment_template should be specified for none or all "
"stream descriptors.";
return false;
widevine.signer.signer_name = FLAGS_signer;
if (!FLAGS_aes_signing_key.empty() && !FLAGS_rsa_signing_key_path.empty()) {
LOG(ERROR) << "Only one of --aes_signing_key and "
"--rsa_signing_key_path is needed.";
return base::nullopt;
}
WidevineSigner& signer = widevine.signer;
if (!FLAGS_aes_signing_key.empty()) {
// TODO(kqyang): Take care of hex conversion and file read here.
signer.signing_key_type = WidevineSigner::SigningKeyType::kAes;
signer.aes.key = FLAGS_aes_signing_key;
signer.aes.iv = FLAGS_aes_signing_iv;
}
if (!FLAGS_rsa_signing_key_path.empty()) {
signer.signing_key_type = WidevineSigner::SigningKeyType::kRsa;
if (!media::File::ReadFileToString(FLAGS_rsa_signing_key_path.c_str(),
&signer.rsa.key)) {
LOG(ERROR) << "Failed to read from '" << FLAGS_rsa_signing_key_path
<< "'.";
return base::nullopt;
}
}
if (FLAGS_output_media_info && !on_demand_dash_profile) {
// TODO(rkuroiwa, kqyang): Support partial media info dump for live.
NOTIMPLEMENTED() << "ERROR: --output_media_info is only supported for "
"on-demand profile (not using segment_template).";
return false;
break;
}
case KeyProvider::kRawKey: {
RawKeyDecryptionParams& raw_key = decryption_params.raw_key;
// An empty TrackType specifies the default KeyPair.
RawKeyDecryptionParams::KeyPair& key_pair = raw_key.key_map[""];
// TODO(kqyang): Take care of hex conversion here.
key_pair.key_id = FLAGS_key_id;
key_pair.key = FLAGS_key;
break;
}
case KeyProvider::kNone:
case KeyProvider::kPlayready:
break;
}
MpdOptions mpd_options = GetMpdOptions(on_demand_dash_profile);
// Create encryption key source if needed.
std::unique_ptr<KeySource> encryption_key_source;
if (FLAGS_enable_widevine_encryption || FLAGS_enable_fixed_key_encryption ||
FLAGS_enable_playready_encryption) {
if (encryption_options.protection_scheme == FOURCC_NULL)
return false;
encryption_key_source =
CreateEncryptionKeySource(encryption_options.protection_scheme);
if (!encryption_key_source)
return false;
Mp4OutputParams& mp4_params = packaging_params.mp4_output_params;
mp4_params.num_subsegments_per_sidx = FLAGS_num_subsegments_per_sidx;
if (FLAGS_mp4_use_decoding_timestamp_in_timeline) {
LOG(WARNING) << "Flag --mp4_use_decoding_timestamp_in_timeline is set. "
"Note that it is a temporary hack to workaround Chromium "
"bug https://crbug.com/398130. The flag may be removed "
"when the Chromium bug is fixed.";
}
mp4_params.use_decoding_timestamp_in_timeline =
FLAGS_mp4_use_decoding_timestamp_in_timeline;
mp4_params.include_pssh_in_stream = FLAGS_mp4_include_pssh_in_stream;
std::unique_ptr<MpdNotifier> mpd_notifier;
if (!FLAGS_mpd_output.empty()) {
std::vector<std::string> base_urls = base::SplitString(
packaging_params.output_media_info = FLAGS_output_media_info;
MpdParams& mpd_params = packaging_params.mpd_params;
mpd_params.generate_static_live_mpd = FLAGS_generate_static_mpd;
mpd_params.mpd_output = FLAGS_mpd_output;
mpd_params.base_urls = base::SplitString(
FLAGS_base_urls, ",", base::KEEP_WHITESPACE, base::SPLIT_WANT_NONEMPTY);
if (FLAGS_generate_dash_if_iop_compliant_mpd) {
mpd_notifier.reset(
new DashIopMpdNotifier(mpd_options, base_urls, FLAGS_mpd_output));
} else {
mpd_notifier.reset(
new SimpleMpdNotifier(mpd_options, base_urls, FLAGS_mpd_output));
}
if (!mpd_notifier->Init()) {
LOG(ERROR) << "MpdNotifier failed to initialize.";
return false;
}
}
mpd_params.generate_dash_if_iop_compliant_mpd =
FLAGS_generate_dash_if_iop_compliant_mpd;
mpd_params.minimum_update_period = FLAGS_minimum_update_period;
mpd_params.min_buffer_time = FLAGS_min_buffer_time;
mpd_params.time_shift_buffer_depth = FLAGS_time_shift_buffer_depth;
mpd_params.suggested_presentation_delay = FLAGS_suggested_presentation_delay;
mpd_params.default_language = FLAGS_default_language;
std::unique_ptr<hls::HlsNotifier> hls_notifier;
if (!FLAGS_hls_master_playlist_output.empty()) {
base::FilePath master_playlist_path(
base::FilePath::FromUTF8Unsafe(FLAGS_hls_master_playlist_output));
base::FilePath master_playlist_name = master_playlist_path.BaseName();
HlsParams& hls_params = packaging_params.hls_params;
hls_params.master_playlist_output = FLAGS_hls_master_playlist_output;
hls_params.base_url = FLAGS_hls_base_url;
hls_notifier.reset(new hls::SimpleHlsNotifier(
hls::HlsNotifier::HlsProfile::kOnDemandProfile, FLAGS_hls_base_url,
master_playlist_path.DirName().AsEndingWithSeparator().AsUTF8Unsafe(),
master_playlist_name.AsUTF8Unsafe()));
}
std::vector<std::unique_ptr<RemuxJob>> remux_jobs;
FakeClock fake_clock;
if (!CreateRemuxJobs(stream_descriptors, chunking_options, encryption_options,
muxer_options, &fake_clock, encryption_key_source.get(),
mpd_notifier.get(), hls_notifier.get(), &remux_jobs)) {
return false;
}
Status status = RunRemuxJobs(remux_jobs);
if (!status.ok()) {
LOG(ERROR) << "Packaging Error: " << status.ToString();
return false;
}
if (hls_notifier) {
if (!hls_notifier->Flush())
return false;
}
if (mpd_notifier) {
if (!mpd_notifier->Flush())
return false;
}
printf("Packaging completed successfully.\n");
return true;
return packaging_params;
}
int PackagerMain(int argc, char** argv) {
@ -589,18 +315,35 @@ int PackagerMain(int argc, char** argv) {
if (FLAGS_override_version)
SetPackagerVersionForTesting(FLAGS_test_version);
LibcryptoThreading libcrypto_threading;
// TODO(tinskip): Make InsertStreamDescriptor a member of
// StreamDescriptorList.
StreamDescriptorList stream_descriptors;
base::Optional<PackagingParams> packaging_params = GetPackagingParams();
if (!packaging_params)
return kArgumentValidationFailed;
std::vector<StreamDescriptor> stream_descriptors;
for (int i = 1; i < argc; ++i) {
if (!InsertStreamDescriptor(argv[i], &stream_descriptors))
base::Optional<StreamDescriptor> stream_descriptor =
ParseStreamDescriptor(argv[i]);
if (!stream_descriptor)
return kArgumentValidationFailed;
stream_descriptors.push_back(stream_descriptor.value());
}
ShakaPackager packager;
media::Status status =
packager.Initialize(packaging_params.value(), stream_descriptors);
if (!status.ok()) {
LOG(ERROR) << "Failed to initialize packager: " << status.ToString();
return kArgumentValidationFailed;
}
return RunPackager(stream_descriptors) ? kSuccess : kPackagingFailed;
status = packager.Run();
if (!status.ok()) {
LOG(ERROR) << "Packaging Error: " << status.ToString();
return kPackagingFailed;
}
printf("Packaging completed successfully.\n");
return kSuccess;
}
} // namespace media
} // namespace
} // namespace shaka
#if defined(OS_WIN)
@ -622,10 +365,10 @@ int wmain(int argc, wchar_t* argv[], wchar_t* envp[]) {
utf8_argv[idx] = new char[utf8_arg.size()];
memcpy(utf8_argv[idx], &utf8_arg[0], utf8_arg.size());
}
return shaka::media::PackagerMain(argc, utf8_argv.get());
return shaka::PackagerMain(argc, utf8_argv.get());
}
#else
int main(int argc, char** argv) {
return shaka::media::PackagerMain(argc, argv);
return shaka::PackagerMain(argc, argv);
}
#endif // defined(OS_WIN)

240
packager/app/packager_util.cc
View File

@ -6,17 +6,9 @@
#include "packager/app/packager_util.h"
#include <gflags/gflags.h>
#include <iostream>
#include "packager/app/crypto_flags.h"
#include "packager/app/fixed_key_encryption_flags.h"
#include "packager/app/mpd_flags.h"
#include "packager/app/muxer_flags.h"
#include "packager/app/playready_key_encryption_flags.h"
#include "packager/app/widevine_encryption_flags.h"
#include "packager/base/logging.h"
#include "packager/base/strings/string_number_conversions.h"
#include "packager/base/strings/string_split.h"
#include "packager/media/base/fixed_key_source.h"
#include "packager/media/base/media_handler.h"
#include "packager/media/base/muxer_options.h"
@ -28,14 +20,7 @@
#include "packager/media/crypto/encryption_handler.h"
#include "packager/media/file/file.h"
#include "packager/mpd/base/mpd_options.h"
DEFINE_bool(mp4_use_decoding_timestamp_in_timeline,
false,
"If set, decoding timestamp instead of presentation timestamp will "
"be used when generating media timeline, e.g. timestamps in sidx "
"and mpd. This is to workaround a Chromium bug that decoding "
"timestamp is used in buffered range, https://crbug.com/398130.");
DEFINE_bool(dump_stream_info, false, "Dump demuxed stream info.");
#include "packager/packager.h"
namespace shaka {
namespace media {
@ -58,169 +43,200 @@ FourCC GetProtectionScheme(const std::string& protection_scheme) {
} // namespace
std::unique_ptr<RequestSigner> CreateSigner() {
std::unique_ptr<RequestSigner> signer;
if (!FLAGS_aes_signing_key.empty()) {
signer.reset(AesRequestSigner::CreateSigner(
FLAGS_signer, FLAGS_aes_signing_key, FLAGS_aes_signing_iv));
if (!signer) {
LOG(ERROR) << "Cannot create an AES signer object from '"
<< FLAGS_aes_signing_key << "':'" << FLAGS_aes_signing_iv
<< "'.";
return std::unique_ptr<RequestSigner>();
std::unique_ptr<RequestSigner> CreateSigner(const WidevineSigner& signer) {
std::unique_ptr<RequestSigner> request_signer;
switch (signer.signing_key_type) {
case WidevineSigner::SigningKeyType::kAes:
request_signer.reset(AesRequestSigner::CreateSigner(
signer.signer_name, signer.aes.key, signer.aes.iv));
break;
case WidevineSigner::SigningKeyType::kRsa:
request_signer.reset(
RsaRequestSigner::CreateSigner(signer.signer_name, signer.rsa.key));
break;
case WidevineSigner::SigningKeyType::kNone:
break;
}
} else if (!FLAGS_rsa_signing_key_path.empty()) {
std::string rsa_private_key;
if (!File::ReadFileToString(FLAGS_rsa_signing_key_path.c_str(),
&rsa_private_key)) {
LOG(ERROR) << "Failed to read from '" << FLAGS_rsa_signing_key_path
<< "'.";
return std::unique_ptr<RequestSigner>();
}
signer.reset(RsaRequestSigner::CreateSigner(FLAGS_signer, rsa_private_key));
if (!signer) {
LOG(ERROR) << "Cannot create a RSA signer object from '"
<< FLAGS_rsa_signing_key_path << "'.";
return std::unique_ptr<RequestSigner>();
}
}
return signer;
if (!request_signer)
LOG(ERROR) << "Failed to create the signer object.";
return request_signer;
}
std::unique_ptr<KeySource> CreateEncryptionKeySource(FourCC protection_scheme) {
std::unique_ptr<KeySource> CreateEncryptionKeySource(
FourCC protection_scheme,
const EncryptionParams& encryption_params) {
std::unique_ptr<KeySource> encryption_key_source;
if (FLAGS_enable_widevine_encryption) {
switch (encryption_params.key_provider) {
case KeyProvider::kWidevine: {
const WidevineEncryptionParams& widevine = encryption_params.widevine;
if (widevine.key_server_url.empty()) {
LOG(ERROR) << "'key_server_url' should not be empty.";
return std::unique_ptr<KeySource>();
}
if (widevine.content_id.empty()) {
LOG(ERROR) << "'content_id' should not be empty.";
return std::unique_ptr<KeySource>();
}
std::unique_ptr<WidevineKeySource> widevine_key_source(
new WidevineKeySource(FLAGS_key_server_url, FLAGS_include_common_pssh));
new WidevineKeySource(widevine.key_server_url,
widevine.include_common_pssh));
widevine_key_source->set_protection_scheme(protection_scheme);
if (!FLAGS_signer.empty()) {
std::unique_ptr<RequestSigner> request_signer(CreateSigner());
if (!widevine.signer.signer_name.empty()) {
std::unique_ptr<RequestSigner> request_signer(
CreateSigner(widevine.signer));
if (!request_signer)
return std::unique_ptr<KeySource>();
widevine_key_source->set_signer(std::move(request_signer));
}
std::vector<uint8_t> content_id;
if (!base::HexStringToBytes(FLAGS_content_id, &content_id)) {
LOG(ERROR) << "Invalid content_id hex string specified.";
return std::unique_ptr<KeySource>();
}
Status status = widevine_key_source->FetchKeys(content_id, FLAGS_policy);
Status status =
widevine_key_source->FetchKeys(widevine.content_id, widevine.policy);
if (!status.ok()) {
LOG(ERROR) << "Widevine encryption key source failed to fetch keys: "
<< status.ToString();
return std::unique_ptr<KeySource>();
}
encryption_key_source = std::move(widevine_key_source);
} else if (FLAGS_enable_fixed_key_encryption) {
break;
}
case KeyProvider::kRawKey: {
const RawKeyEncryptionParams& raw_key = encryption_params.raw_key;
const std::string kDefaultTrackType;
// TODO(kqyang): Refactor FixedKeySource.
encryption_key_source = FixedKeySource::CreateFromHexStrings(
FLAGS_key_id, FLAGS_key, FLAGS_pssh, FLAGS_iv);
} else if (FLAGS_enable_playready_encryption) {
if (!FLAGS_playready_key_id.empty() && !FLAGS_playready_key.empty()) {
raw_key.key_map.find("")->second.key_id,
raw_key.key_map.find("")->second.key, raw_key.pssh, raw_key.iv);
break;
}
case KeyProvider::kPlayready: {
const PlayreadyEncryptionParams& playready = encryption_params.playready;
if (!playready.key_id.empty() && !playready.key.empty()) {
encryption_key_source = PlayReadyKeySource::CreateFromKeyAndKeyId(
FLAGS_playready_key_id, FLAGS_playready_key);
} else if (!FLAGS_playready_server_url.empty() &&
!FLAGS_program_identifier.empty()) {
playready.key_id, playready.key);
} else if (!playready.key_server_url.empty() &&
!playready.program_identifier.empty()) {
std::unique_ptr<PlayReadyKeySource> playready_key_source;
if (!FLAGS_client_cert_file.empty() &&
!FLAGS_client_cert_private_key_file.empty() &&
!FLAGS_client_cert_private_key_password.empty()) {
if (!playready.client_cert_file.empty() &&
!playready.client_cert_private_key_file.empty() &&
!playready.client_cert_private_key_password.empty()) {
playready_key_source.reset(new PlayReadyKeySource(
FLAGS_playready_server_url,
FLAGS_client_cert_file,
FLAGS_client_cert_private_key_file,
FLAGS_client_cert_private_key_password));
playready.key_server_url, playready.client_cert_file,
playready.client_cert_private_key_file,
playready.client_cert_private_key_password));
} else {
playready_key_source.reset(new PlayReadyKeySource(
FLAGS_playready_server_url));
playready_key_source.reset(
new PlayReadyKeySource(playready.key_server_url));
}
if (!FLAGS_ca_file.empty()) {
playready_key_source->SetCaFile(FLAGS_ca_file);
if (!playready.ca_file.empty()) {
playready_key_source->SetCaFile(playready.ca_file);
}
playready_key_source->FetchKeysWithProgramIdentifier(FLAGS_program_identifier);
playready_key_source->FetchKeysWithProgramIdentifier(
playready.program_identifier);
encryption_key_source = std::move(playready_key_source);
} else {
LOG(ERROR) << "Error creating PlayReady key source.";
return std::unique_ptr<KeySource>();
}
break;
}
case KeyProvider::kNone:
break;
}
return encryption_key_source;
}
std::unique_ptr<KeySource> CreateDecryptionKeySource() {
std::unique_ptr<KeySource> CreateDecryptionKeySource(
const DecryptionParams& decryption_params) {
std::unique_ptr<KeySource> decryption_key_source;
if (FLAGS_enable_widevine_decryption) {
switch (decryption_params.key_provider) {
case KeyProvider::kWidevine: {
const WidevineDecryptionParams& widevine = decryption_params.widevine;
if (widevine.key_server_url.empty()) {
LOG(ERROR) << "'key_server_url' should not be empty.";
return std::unique_ptr<KeySource>();
}
std::unique_ptr<WidevineKeySource> widevine_key_source(
new WidevineKeySource(FLAGS_key_server_url, FLAGS_include_common_pssh));
if (!FLAGS_signer.empty()) {
std::unique_ptr<RequestSigner> request_signer(CreateSigner());
new WidevineKeySource(widevine.key_server_url,
true /* commmon pssh, does not matter here */));
if (!widevine.signer.signer_name.empty()) {
std::unique_ptr<RequestSigner> request_signer(
CreateSigner(widevine.signer));
if (!request_signer)
return std::unique_ptr<KeySource>();
widevine_key_source->set_signer(std::move(request_signer));
}
decryption_key_source = std::move(widevine_key_source);
} else if (FLAGS_enable_fixed_key_decryption) {
break;
}
case KeyProvider::kRawKey: {
const RawKeyDecryptionParams& raw_key = decryption_params.raw_key;
const char kNoPssh[] = "";
const char kNoIv[] = "";
decryption_key_source = FixedKeySource::CreateFromHexStrings(
FLAGS_key_id, FLAGS_key, kNoPssh, kNoIv);
raw_key.key_map.find("")->second.key_id,
raw_key.key_map.find("")->second.key, kNoPssh, kNoIv);
break;
}
case KeyProvider::kNone:
case KeyProvider::kPlayready:
break;
}
return decryption_key_source;
}
ChunkingOptions GetChunkingOptions() {
ChunkingOptions GetChunkingOptions(const ChunkingParams& chunking_params) {
ChunkingOptions chunking_options;
chunking_options.segment_duration_in_seconds = FLAGS_segment_duration;
chunking_options.subsegment_duration_in_seconds = FLAGS_fragment_duration;
chunking_options.segment_sap_aligned = FLAGS_segment_sap_aligned;
chunking_options.subsegment_sap_aligned = FLAGS_fragment_sap_aligned;
chunking_options.segment_duration_in_seconds =
chunking_params.segment_duration_in_seconds;
chunking_options.subsegment_duration_in_seconds =
chunking_params.subsegment_duration_in_seconds;
chunking_options.segment_sap_aligned = chunking_params.segment_sap_aligned;
chunking_options.subsegment_sap_aligned =
chunking_params.subsegment_sap_aligned;
return chunking_options;
}
EncryptionOptions GetEncryptionOptions() {
EncryptionOptions GetEncryptionOptions(
const EncryptionParams& encryption_params) {
EncryptionOptions encryption_options;
encryption_options.clear_lead_in_seconds = FLAGS_clear_lead;
encryption_options.clear_lead_in_seconds =
encryption_params.clear_lead_in_seconds;
encryption_options.protection_scheme =
GetProtectionScheme(FLAGS_protection_scheme);
encryption_options.max_sd_pixels = FLAGS_max_sd_pixels;
encryption_options.max_hd_pixels = FLAGS_max_hd_pixels;
encryption_options.max_uhd1_pixels = FLAGS_max_uhd1_pixels;
GetProtectionScheme(encryption_params.protection_scheme);
encryption_options.crypto_period_duration_in_seconds =
FLAGS_crypto_period_duration;
encryption_options.vp9_subsample_encryption = FLAGS_vp9_subsample_encryption;
encryption_params.crypto_period_duration_in_seconds;
encryption_options.vp9_subsample_encryption =
encryption_params.vp9_subsample_encryption;
encryption_options.stream_label_func = encryption_params.stream_label_func;
return encryption_options;
}
MuxerOptions GetMuxerOptions() {
MuxerOptions GetMuxerOptions(const std::string& temp_dir,
const Mp4OutputParams& mp4_params) {
MuxerOptions muxer_options;
muxer_options.num_subsegments_per_sidx = FLAGS_num_subsegments_per_sidx;
muxer_options.mp4_include_pssh_in_stream = FLAGS_mp4_include_pssh_in_stream;
if (FLAGS_mp4_use_decoding_timestamp_in_timeline) {
LOG(WARNING) << "Flag --mp4_use_decoding_timestamp_in_timeline is set. "
"Note that it is a temporary hack to workaround Chromium "
"bug https://crbug.com/398130. The flag may be removed "
"when the Chromium bug is fixed.";
}
muxer_options.num_subsegments_per_sidx = mp4_params.num_subsegments_per_sidx;
muxer_options.mp4_include_pssh_in_stream = mp4_params.include_pssh_in_stream;
muxer_options.mp4_use_decoding_timestamp_in_timeline =
FLAGS_mp4_use_decoding_timestamp_in_timeline;
muxer_options.temp_dir = FLAGS_temp_dir;
mp4_params.use_decoding_timestamp_in_timeline;
muxer_options.temp_dir = temp_dir;
return muxer_options;
}
MpdOptions GetMpdOptions(bool on_demand_profile) {
MpdOptions GetMpdOptions(bool on_demand_profile, const MpdParams& mpd_params) {
MpdOptions mpd_options;
mpd_options.dash_profile =
on_demand_profile ? DashProfile::kOnDemand : DashProfile::kLive;
mpd_options.mpd_type = (on_demand_profile || FLAGS_generate_static_mpd)
mpd_options.mpd_type =
(on_demand_profile || mpd_params.generate_static_live_mpd)
? MpdType::kStatic
: MpdType::kDynamic;
mpd_options.minimum_update_period = FLAGS_minimum_update_period;
mpd_options.min_buffer_time = FLAGS_min_buffer_time;
mpd_options.time_shift_buffer_depth = FLAGS_time_shift_buffer_depth;
mpd_options.suggested_presentation_delay = FLAGS_suggested_presentation_delay;
mpd_options.default_language = FLAGS_default_language;
mpd_options.minimum_update_period = mpd_params.minimum_update_period;
mpd_options.min_buffer_time = mpd_params.min_buffer_time;
mpd_options.time_shift_buffer_depth = mpd_params.time_shift_buffer_depth;
mpd_options.suggested_presentation_delay =
mpd_params.suggested_presentation_delay;
mpd_options.default_language = mpd_params.default_language;
return mpd_options;
}

25
packager/app/packager_util.h
View File

@ -13,13 +13,21 @@
#include <memory>
#include "packager/base/optional.h"
#include "packager/media/base/fourccs.h"
#include "packager/packager.h"
DECLARE_bool(dump_stream_info);
namespace shaka {
// TODO(kqyang): Should we consolidate XxxParams and XxxOptions?
struct ChunkingParams;
struct DecryptionParams;
struct EncryptionParams;
struct Mp4OutputParams;
struct MpdOptions;
struct MpdParams;
namespace media {
@ -36,25 +44,30 @@ struct MuxerOptions;
/// encryption.
/// @return A std::unique_ptr containing a new KeySource, or nullptr if
/// encryption is not required.
std::unique_ptr<KeySource> CreateEncryptionKeySource(FourCC protection_scheme);
std::unique_ptr<KeySource> CreateEncryptionKeySource(
FourCC protection_scheme,
const EncryptionParams& encryption_params);
/// Create KeySource based on provided command line options for content
/// decryption. Does not fetch keys.
/// @return A std::unique_ptr containing a new KeySource, or nullptr if
/// decryption is not required.
std::unique_ptr<KeySource> CreateDecryptionKeySource();
std::unique_ptr<KeySource> CreateDecryptionKeySource(
const DecryptionParams& decryption_params);
/// @return ChunkingOptions from provided command line options.
ChunkingOptions GetChunkingOptions();
ChunkingOptions GetChunkingOptions(const ChunkingParams& chunking_params);
/// @return EncryptionOptions from provided command line options.
EncryptionOptions GetEncryptionOptions();
EncryptionOptions GetEncryptionOptions(
const EncryptionParams& encryption_params);
/// @return MuxerOptions from provided command line options.
MuxerOptions GetMuxerOptions();
MuxerOptions GetMuxerOptions(const std::string& temp_dir,
const Mp4OutputParams& mp4_params);
/// @return MpdOptions from provided command line options.
MpdOptions GetMpdOptions(bool on_demand_profile);
MpdOptions GetMpdOptions(bool on_demand_profile, const MpdParams& mpd_params);
/// Connect handlers in the vector.
/// @param handlers A vector of media handlers to be conncected. the handlers

93
packager/app/stream_descriptor.cc
View File

@ -6,15 +6,12 @@
#include "packager/app/stream_descriptor.h"
#include "packager/app/packager_util.h"
#include "packager/base/logging.h"
#include "packager/base/strings/string_number_conversions.h"
#include "packager/base/strings/string_split.h"
#include "packager/media/base/container_names.h"
#include "packager/media/base/language_utils.h"
namespace shaka {
namespace media {
namespace {
@ -74,22 +71,16 @@ FieldType GetFieldType(const std::string& field_name) {
} // anonymous namespace
StreamDescriptor::StreamDescriptor() {}
StreamDescriptor::~StreamDescriptor() {}
bool InsertStreamDescriptor(const std::string& descriptor_string,
StreamDescriptorList* descriptor_list) {
base::Optional<StreamDescriptor> ParseStreamDescriptor(
const std::string& descriptor_string) {
StreamDescriptor descriptor;
// Split descriptor string into name/value pairs.
base::StringPairs pairs;
if (!base::SplitStringIntoKeyValuePairs(descriptor_string,
'=',
',',
if (!base::SplitStringIntoKeyValuePairs(descriptor_string, '=', ',',
&pairs)) {
LOG(ERROR) << "Invalid stream descriptors name/value pairs.";
return false;
return base::nullopt;
}
for (base::StringPairs::const_iterator iter = pairs.begin();
iter != pairs.end(); ++iter) {
@ -110,28 +101,23 @@ bool InsertStreamDescriptor(const std::string& descriptor_string,
unsigned bw;
if (!base::StringToUint(iter->second, &bw)) {
LOG(ERROR) << "Non-numeric bandwidth specified.";
return false;
return base::nullopt;
}
descriptor.bandwidth = bw;
break;
}
case kLanguageField: {
// TODO(kqyang): Move to packager.cc.
std::string language = LanguageToISO_639_2(iter->second);
if (language == "und") {
LOG(ERROR) << "Unknown/invalid language specified: " << iter->second;
return false;
return base::nullopt;
}
descriptor.language = language;
break;
}
case kOutputFormatField: {
MediaContainerName output_format =
DetermineContainerFromFormatName(iter->second);
if (output_format == CONTAINER_UNKNOWN) {
LOG(ERROR) << "Unrecognized output format " << iter->second;
return false;
}
descriptor.output_format = output_format;
descriptor.output_format = iter->second;
break;
}
case kHlsNameField: {
@ -151,11 +137,11 @@ bool InsertStreamDescriptor(const std::string& descriptor_string,
if (!base::StringToUint(iter->second, &factor)) {
LOG(ERROR) << "Non-numeric trick play factor " << iter->second
<< " specified.";
return false;
return base::nullopt;
}
if (factor == 0) {
LOG(ERROR) << "Stream trick_play_factor should be > 0.";
return false;
return base::nullopt;
}
descriptor.trick_play_factor = factor;
break;
@ -165,11 +151,11 @@ bool InsertStreamDescriptor(const std::string& descriptor_string,
if (!base::StringToUint(iter->second, &skip_encryption_value)) {
LOG(ERROR) << "Non-numeric option for skip encryption field "
"specified (" << iter->second << ").";
return false;
return base::nullopt;
}
if (skip_encryption_value > 1) {
LOG(ERROR) << "skip_encryption should be either 0 or 1.";
return false;
return base::nullopt;
}
descriptor.skip_encryption = skip_encryption_value > 0;
@ -178,61 +164,10 @@ bool InsertStreamDescriptor(const std::string& descriptor_string,
default:
LOG(ERROR) << "Unknown field in stream descriptor (\"" << iter->first
<< "\").";
return false;
return base::nullopt;
}
}
// Validate and insert the descriptor
if (descriptor.input.empty()) {
LOG(ERROR) << "Stream input not specified.";
return false;
}
if (!FLAGS_dump_stream_info && descriptor.stream_selector.empty()) {
LOG(ERROR) << "Stream stream_selector not specified.";
return false;
return descriptor;
}
if (descriptor.output_format == CONTAINER_UNKNOWN) {
const std::string& output_name = descriptor.output.empty()
? descriptor.segment_template
: descriptor.output;
if (!output_name.empty()) {
descriptor.output_format = DetermineContainerFromFileName(output_name);
if (descriptor.output_format == CONTAINER_UNKNOWN) {
LOG(ERROR) << "Unable to determine output format for file "
<< output_name;
return false;
}
}
}
if (descriptor.output_format == MediaContainerName::CONTAINER_MPEG2TS) {
if (descriptor.segment_template.empty()) {
LOG(ERROR) << "Please specify segment_template. Single file TS output is "
"not supported.";
return false;
}
// Note that MPEG2 TS doesn't need a separate initialization segment, so
// output field is not needed.
if (!descriptor.output.empty()) {
LOG(WARNING) << "TS output '" << descriptor.output
<< "' ignored. TS muxer does not support initialization "
"segment generation.";
}
}
// For TS output, segment template is sufficient, and does not require an
// output entry.
const bool output_specified =
!descriptor.output.empty() ||
(descriptor.output_format == CONTAINER_MPEG2TS &&
!descriptor.segment_template.empty());
if (!FLAGS_dump_stream_info && !output_specified) {
LOG(ERROR) << "Stream output not specified.";
return false;
}
descriptor_list->insert(descriptor);
return true;
}
} // namespace media
} // namespace shaka

51
packager/app/stream_descriptor.h
View File

@ -7,54 +7,12 @@
#ifndef APP_STREAM_DESCRIPTOR_H_
#define APP_STREAM_DESCRIPTOR_H_
#include <stdint.h>
#include <set>
#include <string>
#include "packager/media/base/container_names.h"
#include "packager/base/optional.h"
#include "packager/packager.h"
namespace shaka {
namespace media {
/// Defines a single input/output stream, it's input source, output destination,
/// stream selector, and optional segment template and user-specified bandwidth.
struct StreamDescriptor {
StreamDescriptor();
~StreamDescriptor();
std::string stream_selector;
std::string input;
std::string output;
std::string segment_template;
uint32_t bandwidth = 0;
std::string language;
MediaContainerName output_format = CONTAINER_UNKNOWN;
std::string hls_name;
std::string hls_group_id;
std::string hls_playlist_name;
uint32_t trick_play_factor = 0;
bool skip_encryption = false;
};
class StreamDescriptorCompareFn {
public:
bool operator()(const StreamDescriptor& a, const StreamDescriptor& b) {
if (a.input == b.input) {
if (a.stream_selector == b.stream_selector)
// Stream with high trick_play_factor is at the beginning.
return a.trick_play_factor > b.trick_play_factor;
else
return a.stream_selector < b.stream_selector;
}
return a.input < b.input;
}
};
/// Sorted list of StreamDescriptor.
typedef std::multiset<StreamDescriptor, StreamDescriptorCompareFn>
StreamDescriptorList;
/// Parses a descriptor string, and inserts into sorted list of stream
/// descriptors.
@ -63,10 +21,9 @@ typedef std::multiset<StreamDescriptor, StreamDescriptorCompareFn>
/// @param descriptor_list is a pointer to the sorted descriptor list into
/// which the new descriptor should be inserted.
/// @return true if successful, false otherwise. May print error messages.
bool InsertStreamDescriptor(const std::string& descriptor_string,
StreamDescriptorList* descriptor_list);
base::Optional<StreamDescriptor> ParseStreamDescriptor(
const std::string& descriptor_string);
} // namespace media
} // namespace shaka
#endif // APP_STREAM_DESCRIPTOR_H_

24
packager/media/base/muxer_util.cc
View File

@ -154,29 +154,5 @@ std::string GetSegmentName(const std::string& segment_template,
return segment_name;
}
KeySource::TrackType GetTrackTypeForEncryption(const StreamInfo& stream_info,
uint32_t max_sd_pixels,
uint32_t max_hd_pixels,
uint32_t max_uhd1_pixels) {
if (stream_info.stream_type() == kStreamAudio)
return KeySource::TRACK_TYPE_AUDIO;
if (stream_info.stream_type() != kStreamVideo)
return KeySource::TRACK_TYPE_UNKNOWN;
DCHECK_EQ(kStreamVideo, stream_info.stream_type());
const VideoStreamInfo& video_stream_info =
static_cast<const VideoStreamInfo&>(stream_info);
uint32_t pixels = video_stream_info.width() * video_stream_info.height();
if (pixels > max_uhd1_pixels) {
return KeySource::TRACK_TYPE_UHD2;
} else if (pixels > max_hd_pixels) {
return KeySource::TRACK_TYPE_UHD1;
} else if (pixels > max_sd_pixels) {
return KeySource::TRACK_TYPE_HD;
}
return KeySource::TRACK_TYPE_SD;
}
} // namespace media
} // namespace shaka

12
packager/media/base/muxer_util.h
View File

@ -39,18 +39,6 @@ std::string GetSegmentName(const std::string& segment_template,
uint32_t segment_index,
uint32_t bandwidth);
/// Determine the track type for encryption from input.
/// @param stream_info is the info of the stream.
/// @param max_sd_pixels is the maximum number of pixels to be considered SD.
/// @param max_hd_pixels is the maximum number of pixels to be considered HD.
/// @param max_uhd1_pixels is the maximum number of pixels to be considered UHD1.
/// Anything above is UHD2.
/// @return track type for encryption.
KeySource::TrackType GetTrackTypeForEncryption(const StreamInfo& stream_info,
uint32_t max_sd_pixels,
uint32_t max_hd_pixels,
uint32_t max_uhd1_pixels);
} // namespace media
} // namespace shaka

47
packager/media/crypto/encryption_handler.cc
View File

@ -56,28 +56,35 @@ uint8_t GetNaluLengthSize(const StreamInfo& stream_info) {
return video_stream_info.nalu_length_size();
}
KeySource::TrackType GetTrackTypeForEncryption(const StreamInfo& stream_info,
uint32_t max_sd_pixels,
uint32_t max_hd_pixels,
uint32_t max_uhd1_pixels) {
if (stream_info.stream_type() == kStreamAudio)
// TODO(kqyang): Update KeySource to accept string base stream label.
KeySource::TrackType ToTrackType(const std::string& track_type) {
if (track_type == "SD")
return KeySource::TRACK_TYPE_SD;
if (track_type == "HD")
return KeySource::TRACK_TYPE_HD;
if (track_type == "AUDIO")
return KeySource::TRACK_TYPE_AUDIO;
return KeySource::TRACK_TYPE_SD;
}
if (stream_info.stream_type() != kStreamVideo)
return KeySource::TRACK_TYPE_UNKNOWN;
DCHECK_EQ(kStreamVideo, stream_info.stream_type());
KeySource::TrackType GetTrackTypeForEncryption(
const StreamInfo& stream_info,
const std::function<std::string(
const EncryptionParams::EncryptedStreamAttributes& stream_attributes)>&
stream_label_func) {
EncryptionParams::EncryptedStreamAttributes stream_attributes;
if (stream_info.stream_type() == kStreamAudio) {
stream_attributes.stream_type =
EncryptionParams::EncryptedStreamAttributes::kAudio;
} else if (stream_info.stream_type() == kStreamVideo) {
const VideoStreamInfo& video_stream_info =
static_cast<const VideoStreamInfo&>(stream_info);
uint32_t pixels = video_stream_info.width() * video_stream_info.height();
if (pixels <= max_sd_pixels) {
return KeySource::TRACK_TYPE_SD;
} else if (pixels <= max_hd_pixels) {
return KeySource::TRACK_TYPE_HD;
} else if (pixels <= max_uhd1_pixels) {
return KeySource::TRACK_TYPE_UHD1;
stream_attributes.stream_type =
EncryptionParams::EncryptedStreamAttributes::kVideo;
stream_attributes.oneof.video.width = video_stream_info.width();
stream_attributes.oneof.video.height = video_stream_info.height();
}
return KeySource::TRACK_TYPE_UHD2;
return ToTrackType(stream_label_func(stream_attributes));
}
} // namespace
@ -89,6 +96,9 @@ EncryptionHandler::EncryptionHandler(
EncryptionHandler::~EncryptionHandler() {}
Status EncryptionHandler::InitializeInternal() {
if (!encryption_options_.stream_label_func) {
return Status(error::INVALID_ARGUMENT, "Stream label function not set.");
}
if (num_input_streams() != 1 || next_output_stream_index() != 1) {
return Status(error::INVALID_ARGUMENT,
"Expects exactly one input and output.");
@ -142,8 +152,7 @@ Status EncryptionHandler::ProcessStreamInfo(StreamInfo* stream_info) {
codec_ = stream_info->codec();
nalu_length_size_ = GetNaluLengthSize(*stream_info);
track_type_ = GetTrackTypeForEncryption(
*stream_info, encryption_options_.max_sd_pixels,
encryption_options_.max_hd_pixels, encryption_options_.max_uhd1_pixels);
*stream_info, encryption_options_.stream_label_func);
switch (codec_) {
case kCodecVP9:
if (encryption_options_.vp9_subsample_encryption)

21
packager/media/crypto/encryption_handler.h
View File

@ -9,6 +9,7 @@
#include "packager/media/base/key_source.h"
#include "packager/media/base/media_handler.h"
#include "packager/packager.h"
namespace shaka {
namespace media {
@ -25,24 +26,16 @@ struct EncryptionOptions {
double clear_lead_in_seconds = 0;
/// The protection scheme: 'cenc', 'cens', 'cbc1', 'cbcs'.
FourCC protection_scheme = FOURCC_cenc;
/// The threshold to determine whether a video track should be considered as
/// SD. If the max pixels per frame is no higher than max_sd_pixels, i.e.
/// [0, max_sd_pixels], it is SD.
uint32_t max_sd_pixels = 0;
/// The threshold to determine whether a video track should be considered as
/// HD. If the max pixels per frame is higher than max_sd_pixels, but no
/// higher than max_hd_pixels, i.e. (max_sd_pixels, max_hd_pixels], it is HD.
uint32_t max_hd_pixels = 0;
/// The threshold to determine whether a video track should be considered as
/// UHD1. If the max pixels per frame is higher than max_hd_pixels, but no
/// higher than max_uhd1_pixels, i.e. (max_hd_pixels, max_uhd1_pixels], it is
/// UHD1. Otherwise it is UHD2.
uint32_t max_uhd1_pixels = 0;
/// Crypto period duration in seconds. A positive value means key rotation is
/// enabled, the key source must support key rotation in this case.
double crypto_period_duration_in_seconds = 0;
// Enable/disable subsample encryption for VP9.
/// Enable/disable subsample encryption for VP9.
bool vp9_subsample_encryption = true;
/// Stream label function used to get the label of the encrypted stream. Must
/// be set.
std::function<std::string(
const EncryptionParams::EncryptedStreamAttributes& stream_attributes)>
stream_label_func;
};
class EncryptionHandler : public MediaHandler {

95
packager/media/crypto/encryption_handler_unittest.cc
View File

@ -33,6 +33,9 @@ using ::testing::Values;
using ::testing::ValuesIn;
using ::testing::WithParamInterface;
const char kAudioStreamLabel[] = "AUDIO";
const char kSdVideoStreamLabel[] = "SD";
const uint8_t kKeyId[]{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15,
@ -82,8 +85,21 @@ class EncryptionHandlerTest : public MediaHandlerTestBase {
void SetUp() override { SetUpEncryptionHandler(EncryptionOptions()); }
void SetUpEncryptionHandler(const EncryptionOptions& encryption_options) {
EncryptionOptions new_encryption_options = encryption_options;
if (!encryption_options.stream_label_func) {
// Setup default stream label function.
new_encryption_options.stream_label_func =
[](const EncryptionParams::EncryptedStreamAttributes&
stream_attributes) {
if (stream_attributes.stream_type ==
EncryptionParams::EncryptedStreamAttributes::kAudio) {
return kAudioStreamLabel;
}
return kSdVideoStreamLabel;
};
}
encryption_handler_.reset(
new EncryptionHandler(encryption_options, &mock_key_source_));
new EncryptionHandler(new_encryption_options, &mock_key_source_));
SetUpGraph(1 /* one input */, 1 /* one output */, encryption_handler_);
}
@ -624,74 +640,59 @@ INSTANTIATE_TEST_CASE_P(AppleSampleAes,
Values(kCodecAAC, kCodecH264),
Values(kVp9SubsampleEncryption)));
namespace {
const uint32_t kMaxSdPixels = 100u;
const uint32_t kMaxHdPixels = 200u;
const uint32_t kMaxUhd1Pixels = 300u;
struct TrackTypeTestCase {
uint16_t width;
uint16_t height;
KeySource::TrackType track_type;
};
const TrackTypeTestCase kTrackTypeTestCases[] = {
TrackTypeTestCase{10, 10, KeySource::TRACK_TYPE_SD},
TrackTypeTestCase{11, 9, KeySource::TRACK_TYPE_SD},
TrackTypeTestCase{11, 10, KeySource::TRACK_TYPE_HD},
TrackTypeTestCase{20, 10, KeySource::TRACK_TYPE_HD},
TrackTypeTestCase{10, 20, KeySource::TRACK_TYPE_HD},
TrackTypeTestCase{19, 10, KeySource::TRACK_TYPE_HD},
TrackTypeTestCase{21, 10, KeySource::TRACK_TYPE_UHD1},
TrackTypeTestCase{29, 10, KeySource::TRACK_TYPE_UHD1},
TrackTypeTestCase{30, 10, KeySource::TRACK_TYPE_UHD1},
TrackTypeTestCase{20, 15, KeySource::TRACK_TYPE_UHD1},
TrackTypeTestCase{20, 16, KeySource::TRACK_TYPE_UHD2},
TrackTypeTestCase{1000, 1000, KeySource::TRACK_TYPE_UHD2},
};
} // namespace
class EncryptionHandlerTrackTypeTest
: public EncryptionHandlerTest,
public WithParamInterface<TrackTypeTestCase> {
class EncryptionHandlerTrackTypeTest : public EncryptionHandlerTest {
public:
void SetUp() override {
EncryptionOptions encryption_options;
encryption_options.max_sd_pixels = kMaxSdPixels;
encryption_options.max_hd_pixels = kMaxHdPixels;
encryption_options.max_uhd1_pixels = kMaxUhd1Pixels;
SetUpEncryptionHandler(encryption_options);
}
};
TEST_F(EncryptionHandlerTrackTypeTest, AudioTrackType) {
EncryptionParams::EncryptedStreamAttributes captured_stream_attributes;
EncryptionOptions encryption_options;
encryption_options.stream_label_func =
[&captured_stream_attributes](
const EncryptionParams::EncryptedStreamAttributes&
stream_attributes) {
captured_stream_attributes = stream_attributes;
return kAudioStreamLabel;
};
SetUpEncryptionHandler(encryption_options);
EXPECT_CALL(mock_key_source_, GetKey(KeySource::TRACK_TYPE_AUDIO, _))
.WillOnce(
DoAll(SetArgPointee<1>(GetMockEncryptionKey()), Return(Status::OK)));
ASSERT_OK(Process(GetAudioStreamInfoStreamData(kStreamIndex, kTimeScale)));
EXPECT_EQ(EncryptionParams::EncryptedStreamAttributes::kAudio,
captured_stream_attributes.stream_type);
}
TEST_P(EncryptionHandlerTrackTypeTest, VideoTrackType) {
TrackTypeTestCase test_case = GetParam();
EXPECT_CALL(mock_key_source_, GetKey(test_case.track_type, _))
TEST_F(EncryptionHandlerTrackTypeTest, VideoTrackType) {
EncryptionParams::EncryptedStreamAttributes captured_stream_attributes;
EncryptionOptions encryption_options;
encryption_options.stream_label_func =
[&captured_stream_attributes](
const EncryptionParams::EncryptedStreamAttributes&
stream_attributes) {
captured_stream_attributes = stream_attributes;
return kSdVideoStreamLabel;
};
SetUpEncryptionHandler(encryption_options);
EXPECT_CALL(mock_key_source_, GetKey(KeySource::TRACK_TYPE_SD, _))
.WillOnce(
DoAll(SetArgPointee<1>(GetMockEncryptionKey()), Return(Status::OK)));
std::unique_ptr<StreamData> stream_data =
GetVideoStreamInfoStreamData(kStreamIndex, kTimeScale);
VideoStreamInfo* video_stream_info =
reinterpret_cast<VideoStreamInfo*>(stream_data->stream_info.get());
video_stream_info->set_width(test_case.width);
video_stream_info->set_height(test_case.height);
video_stream_info->set_width(12);
video_stream_info->set_height(34);
ASSERT_OK(Process(std::move(stream_data)));
EXPECT_EQ(EncryptionParams::EncryptedStreamAttributes::kVideo,
captured_stream_attributes.stream_type);
EXPECT_EQ(video_stream_info->width(),
captured_stream_attributes.oneof.video.width);
EXPECT_EQ(video_stream_info->height(),
captured_stream_attributes.oneof.video.height);
}
INSTANTIATE_TEST_CASE_P(VideoResolutions,
EncryptionHandlerTrackTypeTest,
ValuesIn(kTrackTypeTestCases));
} // namespace media
} // namespace shaka

383
packager/media/test/packager_test.cc
View File

@ -1,383 +0,0 @@
// Copyright 2014 Google Inc. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
#include <gtest/gtest.h>
#include "packager/base/files/file_util.h"
#include "packager/base/strings/string_number_conversions.h"
#include "packager/base/strings/stringprintf.h"
#include "packager/base/time/clock.h"
#include "packager/media/base/fixed_key_source.h"
#include "packager/media/base/fourccs.h"
#include "packager/media/base/muxer.h"
#include "packager/media/base/muxer_util.h"
#include "packager/media/base/stream_info.h"
#include "packager/media/base/test/status_test_util.h"
#include "packager/media/chunking/chunking_handler.h"
#include "packager/media/crypto/encryption_handler.h"
#include "packager/media/demuxer/demuxer.h"
#include "packager/media/formats/mp4/mp4_muxer.h"
#include "packager/media/test/test_data_util.h"
using ::testing::ValuesIn;
namespace shaka {
namespace media {
namespace {
const char* kMediaFiles[] = {"bear-640x360.mp4", "bear-640x360-av_frag.mp4",
"bear-640x360.ts"};
// Muxer options.
const double kSegmentDurationInSeconds = 1.0;
const double kFragmentDurationInSecodns = 0.1;
const bool kSegmentSapAligned = true;
const bool kFragmentSapAligned = true;
const int kNumSubsegmentsPerSidx = 2;
const char kOutputVideo[] = "output_video";
const char kOutputVideo2[] = "output_video_2";
const char kOutputAudio[] = "output_audio";
const char kOutputAudio2[] = "output_audio_2";
const char kOutputNone[] = "";
const char kSegmentTemplate[] = "template$Number$.m4s";
const char kSegmentTemplateOutputPattern[] = "template%d.m4s";
const bool kSingleSegment = true;
const bool kMultipleSegments = false;
const bool kEnableEncryption = true;
const bool kDisableEncryption = false;
// Encryption constants.
const char kKeyIdHex[] = "e5007e6e9dcd5ac095202ed3758382cd";
const char kKeyHex[] = "6fc96fe628a265b13aeddec0bc421f4d";
const double kClearLeadInSeconds = 1.5;
const double kCryptoDurationInSeconds = 0; // Key rotation is disabled.
// Track resolution constants.
const uint32_t kMaxSDPixels = 640 * 480;
const uint32_t kMaxHDPixels = 1920 * 1080;
const uint32_t kMaxUHD1Pixels = 4096 * 2160;
} // namespace
class FakeClock : public base::Clock {
public:
// Fake the clock to return NULL time.
base::Time Now() override { return base::Time(); }
};
class PackagerTestBasic : public ::testing::TestWithParam<const char*> {
public:
PackagerTestBasic() {}
void SetUp() override {
// Create a test directory for testing, will be deleted after test.
ASSERT_TRUE(base::CreateNewTempDirectory(
base::FilePath::FromUTF8Unsafe("packager_").value(), &test_directory_));
// Copy the input to test directory for easy reference.
ASSERT_TRUE(base::CopyFile(GetTestDataFilePath(GetParam()),
test_directory_.AppendASCII(GetParam())));
}
void TearDown() override { base::DeleteFile(test_directory_, true); }
std::string GetFullPath(const std::string& file_name);
// Check if |file1| and |file2| are the same.
bool ContentsEqual(const std::string& file1, const std::string file2);
ChunkingOptions SetupChunkingOptions();
EncryptionOptions SetupEncryptionOptions();
MuxerOptions SetupMuxerOptions(const std::string& output,
bool single_segment);
void Remux(const std::string& input,
const std::string& video_output,
const std::string& audio_output,
bool single_segment,
bool enable_encryption);
void Decrypt(const std::string& input,
const std::string& video_output,
const std::string& audio_output);
protected:
base::FilePath test_directory_;
FakeClock fake_clock_;
};
std::string PackagerTestBasic::GetFullPath(const std::string& file_name) {
return test_directory_.Append(
base::FilePath::FromUTF8Unsafe(file_name)).AsUTF8Unsafe();
}
bool PackagerTestBasic::ContentsEqual(const std::string& file1,
const std::string file2) {
return base::ContentsEqual(test_directory_.AppendASCII(file1),
test_directory_.AppendASCII(file2));
}
MuxerOptions PackagerTestBasic::SetupMuxerOptions(const std::string& output,
bool single_segment) {
MuxerOptions options;
options.num_subsegments_per_sidx = kNumSubsegmentsPerSidx;
options.output_file_name = GetFullPath(output);
if (!single_segment)
options.segment_template = GetFullPath(kSegmentTemplate);
options.temp_dir = test_directory_.AsUTF8Unsafe();
return options;
}
ChunkingOptions PackagerTestBasic::SetupChunkingOptions() {
ChunkingOptions options;
options.segment_duration_in_seconds = kSegmentDurationInSeconds;
options.subsegment_duration_in_seconds = kFragmentDurationInSecodns;
options.segment_sap_aligned = kSegmentSapAligned;
options.subsegment_sap_aligned = kFragmentSapAligned;
return options;
}
EncryptionOptions PackagerTestBasic::SetupEncryptionOptions() {
EncryptionOptions options;
options.clear_lead_in_seconds = kClearLeadInSeconds;
options.protection_scheme = FOURCC_cenc;
options.max_sd_pixels = kMaxSDPixels;
options.max_hd_pixels = kMaxHDPixels;
options.max_uhd1_pixels = kMaxUHD1Pixels;
options.crypto_period_duration_in_seconds = kCryptoDurationInSeconds;
return options;
}
void PackagerTestBasic::Remux(const std::string& input,
const std::string& video_output,
const std::string& audio_output,
bool single_segment,
bool enable_encryption) {
CHECK(!video_output.empty() || !audio_output.empty());
Demuxer demuxer(GetFullPath(input));
std::unique_ptr<KeySource> encryption_key_source(
FixedKeySource::CreateFromHexStrings(kKeyIdHex, kKeyHex, "", ""));
DCHECK(encryption_key_source);
std::shared_ptr<Muxer> muxer_video;
if (!video_output.empty()) {
muxer_video.reset(
new mp4::MP4Muxer(SetupMuxerOptions(video_output, single_segment)));
muxer_video->set_clock(&fake_clock_);
auto chunking_handler =
std::make_shared<ChunkingHandler>(SetupChunkingOptions());
ASSERT_OK(demuxer.SetHandler("video", chunking_handler));
if (enable_encryption) {
auto encryption_handler = std::make_shared<EncryptionHandler>(
SetupEncryptionOptions(), encryption_key_source.get());
ASSERT_OK(chunking_handler->SetHandler(0, encryption_handler));
ASSERT_OK(encryption_handler->SetHandler(0, muxer_video));
} else {
ASSERT_OK(chunking_handler->SetHandler(0, muxer_video));
}
}
std::shared_ptr<Muxer> muxer_audio;
if (!audio_output.empty()) {
muxer_audio.reset(
new mp4::MP4Muxer(SetupMuxerOptions(audio_output, single_segment)));
muxer_audio->set_clock(&fake_clock_);
auto chunking_handler =
std::make_shared<ChunkingHandler>(SetupChunkingOptions());
ASSERT_OK(demuxer.SetHandler("audio", chunking_handler));
if (enable_encryption) {
auto encryption_handler = std::make_shared<EncryptionHandler>(
SetupEncryptionOptions(), encryption_key_source.get());
ASSERT_OK(chunking_handler->SetHandler(0, encryption_handler));
ASSERT_OK(encryption_handler->SetHandler(0, muxer_audio));
} else {
ASSERT_OK(chunking_handler->SetHandler(0, muxer_audio));
}
}
ASSERT_OK(demuxer.Initialize());
// Start remuxing process.
ASSERT_OK(demuxer.Run());
}
void PackagerTestBasic::Decrypt(const std::string& input,
const std::string& video_output,
const std::string& audio_output) {
CHECK(!video_output.empty() || !audio_output.empty());
Demuxer demuxer(GetFullPath(input));
std::unique_ptr<KeySource> decryption_key_source(
FixedKeySource::CreateFromHexStrings(kKeyIdHex, kKeyHex, "", ""));
ASSERT_TRUE(decryption_key_source);
demuxer.SetKeySource(std::move(decryption_key_source));
std::shared_ptr<Muxer> muxer;
if (!video_output.empty()) {
muxer.reset(new mp4::MP4Muxer(SetupMuxerOptions(video_output, true)));
}
if (!audio_output.empty()) {
muxer.reset(new mp4::MP4Muxer(SetupMuxerOptions(audio_output, true)));
}
ASSERT_TRUE(muxer);
muxer->set_clock(&fake_clock_);
auto chunking_handler =
std::make_shared<ChunkingHandler>(SetupChunkingOptions());
ASSERT_OK(demuxer.SetHandler("0", chunking_handler));
ASSERT_OK(chunking_handler->SetHandler(0, muxer));
ASSERT_OK(demuxer.Initialize());
ASSERT_OK(demuxer.Run());
}
TEST_P(PackagerTestBasic, MP4MuxerSingleSegmentUnencryptedVideo) {
ASSERT_NO_FATAL_FAILURE(Remux(GetParam(),
kOutputVideo,
kOutputNone,
kSingleSegment,
kDisableEncryption));
}
TEST_P(PackagerTestBasic, MP4MuxerSingleSegmentUnencryptedAudio) {
ASSERT_NO_FATAL_FAILURE(Remux(GetParam(),
kOutputNone,
kOutputAudio,
kSingleSegment,
kDisableEncryption));
}
TEST_P(PackagerTestBasic, MP4MuxerSingleSegmentEncryptedVideo) {
ASSERT_NO_FATAL_FAILURE(Remux(GetParam(),
kOutputVideo,
kOutputNone,
kSingleSegment,
kEnableEncryption));
ASSERT_NO_FATAL_FAILURE(Decrypt(kOutputVideo,
kOutputVideo2,
kOutputNone));
}
TEST_P(PackagerTestBasic, MP4MuxerSingleSegmentEncryptedAudio) {
ASSERT_NO_FATAL_FAILURE(Remux(GetParam(),
kOutputNone,
kOutputAudio,
kSingleSegment,
kEnableEncryption));
ASSERT_NO_FATAL_FAILURE(Decrypt(kOutputAudio,
kOutputNone,
kOutputAudio2));
}
class PackagerTest : public PackagerTestBasic {
public:
void SetUp() override {
PackagerTestBasic::SetUp();
ASSERT_NO_FATAL_FAILURE(Remux(GetParam(),
kOutputVideo,
kOutputNone,
kSingleSegment,
kDisableEncryption));
ASSERT_NO_FATAL_FAILURE(Remux(GetParam(),
kOutputNone,
kOutputAudio,
kSingleSegment,
kDisableEncryption));
}
};
TEST_P(PackagerTest, MP4MuxerSingleSegmentUnencryptedVideoAgain) {
// Take the muxer output and feed into muxer again. The new muxer output
// should contain the same contents as the previous muxer output.
ASSERT_NO_FATAL_FAILURE(Remux(kOutputVideo,
kOutputVideo2,
kOutputNone,
kSingleSegment,
kDisableEncryption));
EXPECT_TRUE(ContentsEqual(kOutputVideo, kOutputVideo2));
}
TEST_P(PackagerTest, MP4MuxerSingleSegmentUnencryptedAudioAgain) {
// Take the muxer output and feed into muxer again. The new muxer output
// should contain the same contents as the previous muxer output.
ASSERT_NO_FATAL_FAILURE(Remux(kOutputAudio,
kOutputNone,
kOutputAudio2,
kSingleSegment,
kDisableEncryption));
EXPECT_TRUE(ContentsEqual(kOutputAudio, kOutputAudio2));
}
TEST_P(PackagerTest, MP4MuxerSingleSegmentUnencryptedSeparateAudioVideo) {
ASSERT_NO_FATAL_FAILURE(Remux(GetParam(),
kOutputVideo2,
kOutputAudio2,
kSingleSegment,
kDisableEncryption));
// Compare the output with single muxer output. They should match.
EXPECT_TRUE(ContentsEqual(kOutputVideo, kOutputVideo2));
EXPECT_TRUE(ContentsEqual(kOutputAudio, kOutputAudio2));
}
TEST_P(PackagerTest, MP4MuxerMultiSegmentsUnencryptedVideo) {
ASSERT_NO_FATAL_FAILURE(Remux(GetParam(),
kOutputVideo2,
kOutputNone,
kMultipleSegments,
kDisableEncryption));
// Find and concatenates the segments.
const std::string kOutputVideoSegmentsCombined =
std::string(kOutputVideo) + "_combined";
base::FilePath output_path =
test_directory_.AppendASCII(kOutputVideoSegmentsCombined);
ASSERT_TRUE(
base::CopyFile(test_directory_.AppendASCII(kOutputVideo2), output_path));
const int kStartSegmentIndex = 1; // start from one.
int segment_index = kStartSegmentIndex;
while (true) {
base::FilePath segment_path = test_directory_.AppendASCII(
base::StringPrintf(kSegmentTemplateOutputPattern, segment_index));
if (!base::PathExists(segment_path))
break;
std::string segment_content;
ASSERT_TRUE(base::ReadFileToString(segment_path, &segment_content));
EXPECT_TRUE(base::AppendToFile(output_path, segment_content.data(),
static_cast<int>(segment_content.size())));
++segment_index;
}
// We should have at least one segment.
ASSERT_LT(kStartSegmentIndex, segment_index);
// Feed the combined file into muxer again. The new muxer output should be
// the same as by just feeding the input to muxer.
ASSERT_NO_FATAL_FAILURE(Remux(kOutputVideoSegmentsCombined,
kOutputVideo2,
kOutputNone,
kSingleSegment,
kDisableEncryption));
EXPECT_TRUE(ContentsEqual(kOutputVideo, kOutputVideo2));
}
INSTANTIATE_TEST_CASE_P(PackagerEndToEnd,
PackagerTestBasic,
ValuesIn(kMediaFiles));
INSTANTIATE_TEST_CASE_P(PackagerEndToEnd, PackagerTest, ValuesIn(kMediaFiles));
} // namespace media
} // namespace shaka

4
packager/packager.cc
View File

@ -549,9 +549,9 @@ std::string EncryptionParams::DefaultStreamLabelFunction(
int max_hd_pixels,
int max_uhd1_pixels,
const EncryptedStreamAttributes& stream_attributes) {
if (stream_info.stream_type == EncryptedStreamAttributes::kAudio)
if (stream_attributes.stream_type == EncryptedStreamAttributes::kAudio)
return "AUDIO";
if (stream_info.stream_type == EncryptedStreamAttributes::kVideo) {
if (stream_attributes.stream_type == EncryptedStreamAttributes::kVideo) {
const int pixels = stream_attributes.oneof.video.width *
stream_attributes.oneof.video.height;
if (pixels <= max_sd_pixels) return "SD";

76
packager/packager.gyp
View File

@ -10,36 +10,16 @@
],
'targets': [
{
'target_name': 'packager',
'type': 'executable',
'target_name': 'libpackager',
'type': 'static_library',
'sources': [
'app/crypto_flags.cc',
'app/crypto_flags.h',
'app/fixed_key_encryption_flags.cc',
'app/fixed_key_encryption_flags.h',
'app/hls_flags.cc',
'app/hls_flags.h',
'packager.cc',
'packager.h',
# TODO(kqyang): Clean up the file path.
'app/libcrypto_threading.cc',
'app/libcrypto_threading.h',
'app/mpd_flags.cc',
'app/mpd_flags.h',
'app/muxer_flags.cc',
'app/muxer_flags.h',
'app/packager_main.cc',
'app/packager_util.cc',
'app/packager_util.h',
'app/playready_key_encryption_flags.cc',
'app/playready_key_encryption_flags.h',
'app/retired_flags.cc',
'app/retired_flags.h',
'app/stream_descriptor.cc',
'app/stream_descriptor.h',
'app/validate_flag.cc',
'app/validate_flag.h',
'app/vlog_flags.cc',
'app/vlog_flags.h',
'app/widevine_encryption_flags.cc',
'app/widevine_encryption_flags.h',
],
'dependencies': [
'hls/hls.gyp:hls_builder',
@ -59,6 +39,39 @@
'third_party/boringssl/boringssl.gyp:boringssl',
'third_party/gflags/gflags.gyp:gflags',
],
},
{
'target_name': 'packager',
'type': 'executable',
'sources': [
'app/crypto_flags.cc',
'app/crypto_flags.h',
'app/fixed_key_encryption_flags.cc',
'app/fixed_key_encryption_flags.h',
'app/hls_flags.cc',
'app/hls_flags.h',
'app/mpd_flags.cc',
'app/mpd_flags.h',
'app/muxer_flags.cc',
'app/muxer_flags.h',
'app/packager_main.cc',
'app/playready_key_encryption_flags.cc',
'app/playready_key_encryption_flags.h',
'app/retired_flags.cc',
'app/retired_flags.h',
'app/stream_descriptor.cc',
'app/stream_descriptor.h',
'app/validate_flag.cc',
'app/validate_flag.h',
'app/vlog_flags.cc',
'app/vlog_flags.h',
'app/widevine_encryption_flags.cc',
'app/widevine_encryption_flags.h',
],
'dependencies': [
'libpackager',
'third_party/gflags/gflags.gyp:gflags',
],
'conditions': [
['profiling==1', {
'dependencies': [
@ -86,19 +99,10 @@
'target_name': 'packager_test',
'type': '<(gtest_target_type)',
'sources': [
'media/test/packager_test.cc',
'packager_test.cc',
],
'dependencies': [
'media/codecs/codecs.gyp:codecs',
'media/chunking/chunking.gyp:chunking',
'media/demuxer/demuxer.gyp:demuxer',
'media/file/file.gyp:file',
'media/formats/mp2t/mp2t.gyp:mp2t',
'media/formats/mp4/mp4.gyp:mp4',
'media/formats/mpeg/mpeg.gyp:mpeg',
'media/formats/webm/webm.gyp:webm',
'media/formats/webvtt/webvtt.gyp:webvtt',
'media/formats/wvm/wvm.gyp:wvm',
'libpackager',
'media/test/media_test.gyp:media_test_support',
'testing/gtest.gyp:gtest',
],

1
packager/packager.h
View File

@ -8,6 +8,7 @@
#define PACKAGER_PACKAGER_H_
#include <algorithm>
#include <functional>
#include <map>
#include <memory>
#include <string>

143
packager/packager_test.cc Normal file
View File

@ -0,0 +1,143 @@
// Copyright 2017 Google Inc. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
#include <gtest/gtest.h>
#include "packager/base/files/file_util.h"
#include "packager/media/base/test/status_test_util.h"
#include "packager/media/test/test_data_util.h"
#include "packager/packager.h"
namespace shaka {
namespace {
using media::Status;
const char kTestFile[] = "bear-640x360.mp4";
const char kOutputVideo[] = "output_video.mp4";
const char kOutputVideoTemplate[] = "output_video_$Number$.m4s";
const char kOutputAudio[] = "output_audio.mp4";
const char kOutputMpd[] = "output.mpd";
const double kSegmentDurationInSeconds = 1.0;
const char kKeyIdHex[] = "e5007e6e9dcd5ac095202ed3758382cd";
const char kKeyHex[] = "6fc96fe628a265b13aeddec0bc421f4d";
const double kClearLeadInSeconds = 1.0;
} // namespace
class PackagerTest : public ::testing::Test {
public:
PackagerTest() {}
void SetUp() override {
// Create a test directory for testing, will be deleted after test.
ASSERT_TRUE(base::CreateNewTempDirectory(
base::FilePath::FromUTF8Unsafe("packager_").value(), &test_directory_));
}
void TearDown() override { base::DeleteFile(test_directory_, true); }
std::string GetFullPath(const std::string& file_name) {
return test_directory_.Append(base::FilePath::FromUTF8Unsafe(file_name))
.AsUTF8Unsafe();
}
PackagingParams SetupPackagingParams() {
PackagingParams packaging_params;
packaging_params.temp_dir = test_directory_.AsUTF8Unsafe();
packaging_params.chunking_params.segment_duration_in_seconds =
kSegmentDurationInSeconds;
packaging_params.mpd_params.mpd_output = GetFullPath(kOutputMpd);
packaging_params.encryption_params.clear_lead_in_seconds =
kClearLeadInSeconds;
packaging_params.encryption_params.key_provider = KeyProvider::kRawKey;
packaging_params.encryption_params.raw_key.key_map[""].key_id = kKeyIdHex;
packaging_params.encryption_params.raw_key.key_map[""].key = kKeyHex;
return packaging_params;
}
std::vector<StreamDescriptor> SetupStreamDescriptors() {
std::vector<StreamDescriptor> stream_descriptors;
StreamDescriptor stream_descriptor;
stream_descriptor.input =
media::GetTestDataFilePath(kTestFile).AsUTF8Unsafe();
stream_descriptor.stream_selector = "video";
stream_descriptor.output = GetFullPath(kOutputVideo);
stream_descriptors.push_back(stream_descriptor);
stream_descriptor.input =
media::GetTestDataFilePath(kTestFile).AsUTF8Unsafe();
stream_descriptor.stream_selector = "audio";
stream_descriptor.output = GetFullPath(kOutputAudio);
stream_descriptors.push_back(stream_descriptor);
return stream_descriptors;
}
protected:
base::FilePath test_directory_;
};
TEST_F(PackagerTest, Success) {
ShakaPackager packager;
ASSERT_OK(
packager.Initialize(SetupPackagingParams(), SetupStreamDescriptors()));
ASSERT_OK(packager.Run());
}
TEST_F(PackagerTest, MissingStreamDescriptors) {
std::vector<StreamDescriptor> stream_descriptors;
ShakaPackager packager;
auto status = packager.Initialize(SetupPackagingParams(), stream_descriptors);
ASSERT_EQ(media::error::INVALID_ARGUMENT, status.error_code());
}
TEST_F(PackagerTest, MixingSegmentTemplateAndSingleSegment) {
std::vector<StreamDescriptor> stream_descriptors;
StreamDescriptor stream_descriptor;
stream_descriptor.input =
media::GetTestDataFilePath(kTestFile).AsUTF8Unsafe();
stream_descriptor.stream_selector = "video";
stream_descriptor.output = GetFullPath(kOutputVideo);
stream_descriptor.segment_template = GetFullPath(kOutputVideoTemplate);
stream_descriptors.push_back(stream_descriptor);
stream_descriptor.input =
media::GetTestDataFilePath(kTestFile).AsUTF8Unsafe();
stream_descriptor.stream_selector = "audio";
stream_descriptor.output = GetFullPath(kOutputAudio);
stream_descriptor.segment_template.clear();
stream_descriptors.push_back(stream_descriptor);
ShakaPackager packager;
auto status = packager.Initialize(SetupPackagingParams(), stream_descriptors);
ASSERT_EQ(media::error::INVALID_ARGUMENT, status.error_code());
}
TEST_F(PackagerTest, SegmentAlignedAndSubsegmentNotAligned) {
auto packaging_params = SetupPackagingParams();
packaging_params.chunking_params.segment_sap_aligned = true;
packaging_params.chunking_params.subsegment_sap_aligned = false;
ShakaPackager packager;
ASSERT_OK(packager.Initialize(packaging_params, SetupStreamDescriptors()));
ASSERT_OK(packager.Run());
}
TEST_F(PackagerTest, SegmentNotAlignedButSubsegmentAligned) {
auto packaging_params = SetupPackagingParams();
packaging_params.chunking_params.segment_sap_aligned = false;
packaging_params.chunking_params.subsegment_sap_aligned = true;
ShakaPackager packager;
auto status = packager.Initialize(packaging_params, SetupStreamDescriptors());
ASSERT_EQ(media::error::INVALID_ARGUMENT, status.error_code());
}
// TODO(kqyang): Add more tests.
} // namespace shaka