400 lines
15 KiB
C++
400 lines
15 KiB
C++
// Copyright 2022 Google LLC. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file or at
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// https://developers.google.com/open-source/licenses/bsd
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#ifndef PACKAGER_MEDIA_BASE_MEDIA_HANDLER_TEST_BASE_H_
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#define PACKAGER_MEDIA_BASE_MEDIA_HANDLER_TEST_BASE_H_
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#include <gmock/gmock.h>
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#include <gtest/gtest.h>
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#include <absl/strings/escaping.h>
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#include <absl/strings/numbers.h>
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#include <packager/media/base/media_handler.h>
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#include <packager/media/base/video_stream_info.h>
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#include <packager/utils/bytes_to_string_view.h>
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namespace shaka {
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namespace media {
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std::string BoolToString(bool value);
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std::string ToPrettyString(const std::string& str);
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bool TryMatchStreamDataType(const StreamDataType& actual,
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const StreamDataType& expected,
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::testing::MatchResultListener* listener);
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bool TryMatchStreamType(const StreamType& actual,
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const StreamType& expected,
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::testing::MatchResultListener* listener);
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template <typename T, typename M>
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bool TryMatch(const T& value,
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const M& matcher,
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::testing::MatchResultListener* listener,
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const char* value_name) {
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if (!ExplainMatchResult(matcher, value, listener)) {
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// Need a space at the start of the string in the case that
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// it gets combined with another string.
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*listener << " Mismatch on " << value_name;
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return false;
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}
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return true;
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}
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MATCHER_P(IsPsshInfoWithSystemId,
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system_id,
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std::string(negation ? "doesn't " : "") + " have system ID " +
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testing::PrintToString(system_id)) {
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*result_listener << "which is (" << testing::PrintToString(arg.system_id)
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<< ")";
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return arg.system_id == system_id;
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}
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MATCHER_P4(IsStreamInfo, stream_index, time_scale, encrypted, language, "") {
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if (!TryMatchStreamDataType(arg->stream_data_type,
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StreamDataType::kStreamInfo, result_listener)) {
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return false;
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}
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const std::string is_encrypted_string =
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BoolToString(arg->stream_info->is_encrypted());
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*result_listener << "which is (" << arg->stream_index << ", "
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<< arg->stream_info->time_scale() << ", "
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<< is_encrypted_string << ", "
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<< arg->stream_info->language() << ")";
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return TryMatch(arg->stream_index, stream_index, result_listener,
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"stream_index") &&
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TryMatch(arg->stream_info->time_scale(), time_scale, result_listener,
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"time_scale") &&
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TryMatch(arg->stream_info->is_encrypted(), encrypted, result_listener,
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"is_encrypted") &&
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TryMatch(arg->stream_info->language(), language, result_listener,
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"language");
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}
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MATCHER_P3(IsVideoStream, stream_index, trick_play_factor, playback_rate, "") {
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if (!TryMatchStreamDataType(arg->stream_data_type,
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StreamDataType::kStreamInfo, result_listener)) {
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return false;
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}
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if (!TryMatchStreamType(arg->stream_info->stream_type(), kStreamVideo,
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result_listener)) {
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return false;
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}
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const VideoStreamInfo* info =
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static_cast<const VideoStreamInfo*>(arg->stream_info.get());
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*result_listener << "which is (" << arg->stream_index << ", "
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<< info->trick_play_factor() << ", " << info->playback_rate()
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<< ")";
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return TryMatch(arg->stream_index, stream_index, result_listener,
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"stream_index") &&
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TryMatch(info->trick_play_factor(), trick_play_factor, result_listener,
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"trick_play_factor") &&
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TryMatch(info->playback_rate(), playback_rate, result_listener,
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"playback_rate");
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}
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MATCHER_P5(IsSegmentInfo,
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stream_index,
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start_timestamp,
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duration,
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subsegment,
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encrypted,
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"") {
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if (!TryMatchStreamDataType(arg->stream_data_type,
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StreamDataType::kSegmentInfo, result_listener)) {
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return false;
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}
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const std::string is_subsegment_string =
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BoolToString(arg->segment_info->is_subsegment);
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const std::string is_encrypted_string =
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BoolToString(arg->segment_info->is_encrypted);
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*result_listener << "which is (" << arg->stream_index << ", "
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<< arg->segment_info->start_timestamp << ", "
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<< arg->segment_info->duration << ", "
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<< is_subsegment_string << ", " << is_encrypted_string
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<< ")";
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return TryMatch(arg->stream_index, stream_index, result_listener,
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"stream_index") &&
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TryMatch(arg->segment_info->start_timestamp, start_timestamp,
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result_listener, "start_timestamp") &&
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TryMatch(arg->segment_info->duration, duration, result_listener,
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"duration") &&
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TryMatch(arg->segment_info->is_subsegment, subsegment, result_listener,
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"is_subsegment") &&
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TryMatch(arg->segment_info->is_encrypted, encrypted, result_listener,
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"is_encrypted");
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}
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MATCHER_P6(MatchEncryptionConfig,
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protection_scheme,
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crypt_byte_block,
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skip_byte_block,
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per_sample_iv_size,
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constant_iv,
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key_id,
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"") {
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const std::string constant_iv_hex = absl::BytesToHexString(
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std::string(std::begin(arg.constant_iv), std::end(arg.constant_iv)));
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const std::string key_id_hex = absl::BytesToHexString(
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std::string(std::begin(arg.key_id), std::end(arg.key_id)));
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const std::string protection_scheme_as_string =
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FourCCToString(arg.protection_scheme);
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// Convert to integers so that they will print as a number and not a uint8_t
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// (char).
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const int crypt_byte_as_int = static_cast<int>(arg.crypt_byte_block);
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const int skip_byte_as_int = static_cast<int>(arg.skip_byte_block);
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*result_listener << "which is (" << protection_scheme_as_string << ", "
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<< crypt_byte_as_int << ", " << skip_byte_as_int << ", "
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<< arg.per_sample_iv_size << ", " << constant_iv_hex << ", "
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<< key_id_hex << ")";
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return TryMatch(arg.protection_scheme, protection_scheme, result_listener,
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"protection_scheme") &&
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TryMatch(arg.crypt_byte_block, crypt_byte_block, result_listener,
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"crypt_byte_block") &&
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TryMatch(arg.skip_byte_block, skip_byte_block, result_listener,
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"skip_byte_block") &&
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TryMatch(arg.per_sample_iv_size, per_sample_iv_size, result_listener,
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"per_sample_iv_size") &&
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TryMatch(arg.constant_iv, constant_iv, result_listener,
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"constant_iv") &&
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TryMatch(arg.key_id, key_id, result_listener, "key_id");
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}
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MATCHER_P5(IsMediaSample,
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stream_index,
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timestamp,
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duration,
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encrypted,
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keyframe,
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"") {
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if (!TryMatchStreamDataType(arg->stream_data_type,
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StreamDataType::kMediaSample, result_listener)) {
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return false;
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}
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const std::string is_encrypted_string =
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BoolToString(arg->media_sample->is_encrypted());
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const std::string is_key_frame_string =
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BoolToString(arg->media_sample->is_key_frame());
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*result_listener << "which is (" << arg->stream_index << ", "
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<< arg->media_sample->dts() << ", "
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<< arg->media_sample->duration() << ", "
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<< is_encrypted_string << ", " << is_key_frame_string << ")";
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return TryMatch(arg->stream_index, stream_index, result_listener,
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"stream_index") &&
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TryMatch(arg->media_sample->dts(), timestamp, result_listener,
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"dts") &&
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TryMatch(arg->media_sample->duration(), duration, result_listener,
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"duration") &&
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TryMatch(arg->media_sample->is_encrypted(), encrypted, result_listener,
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"is_encrypted") &&
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TryMatch(arg->media_sample->is_key_frame(), keyframe, result_listener,
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"is_key_frame");
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}
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MATCHER_P4(IsTextSample, stream_index, id, start_time, end_time, "") {
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if (!TryMatchStreamDataType(arg->stream_data_type,
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StreamDataType::kTextSample, result_listener)) {
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return false;
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}
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*result_listener << "which is (" << arg->stream_index << ", "
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<< ToPrettyString(arg->text_sample->id()) << ", "
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<< arg->text_sample->start_time() << ", "
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<< arg->text_sample->EndTime() << ")";
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return TryMatch(arg->stream_index, stream_index, result_listener,
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"stream_index") &&
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TryMatch(arg->text_sample->id(), id, result_listener, "id") &&
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TryMatch(arg->text_sample->start_time(), start_time, result_listener,
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"start_time") &&
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TryMatch(arg->text_sample->EndTime(), end_time, result_listener,
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"EndTime");
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}
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MATCHER_P2(IsCueEvent, stream_index, time_in_seconds, "") {
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if (!TryMatchStreamDataType(arg->stream_data_type, StreamDataType::kCueEvent,
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result_listener)) {
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return false;
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}
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*result_listener << "which is (" << arg->stream_index << ", "
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<< arg->cue_event->time_in_seconds << ")";
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return TryMatch(arg->stream_index, stream_index, result_listener,
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"stream_index") &&
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TryMatch(arg->cue_event->time_in_seconds, time_in_seconds,
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result_listener, "time_in_seconds");
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}
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class FakeInputMediaHandler : public MediaHandler {
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public:
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using MediaHandler::Dispatch;
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using MediaHandler::FlushAllDownstreams;
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using MediaHandler::FlushDownstream;
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private:
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bool ValidateOutputStreamIndex(size_t index) const override;
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Status InitializeInternal() override;
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Status Process(std::unique_ptr<StreamData> stream_data) override;
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};
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class MockOutputMediaHandler : public MediaHandler {
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public:
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MOCK_METHOD1(OnProcess, void(const StreamData*));
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MOCK_METHOD1(OnFlush, void(size_t index));
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private:
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Status InitializeInternal() override;
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Status Process(std::unique_ptr<StreamData> stream_data) override;
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Status OnFlushRequest(size_t index) override;
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};
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class CachingMediaHandler : public MediaHandler {
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public:
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const std::vector<std::unique_ptr<StreamData>>& Cache() const {
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return stream_data_vector_;
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}
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// TODO(vaage) : Remove the use of clear in our tests as it can make flow
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// of the test harder to understand.
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void Clear() { stream_data_vector_.clear(); }
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private:
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Status InitializeInternal() override;
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Status Process(std::unique_ptr<StreamData> stream_data) override;
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Status OnFlushRequest(size_t input_stream_index) override;
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bool ValidateOutputStreamIndex(size_t stream_index) const override;
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std::vector<std::unique_ptr<StreamData>> stream_data_vector_;
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};
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class MediaHandlerTestBase : public ::testing::Test {
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public:
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MediaHandlerTestBase() = default;
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protected:
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bool IsVideoCodec(Codec codec) const;
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std::unique_ptr<StreamInfo> GetVideoStreamInfo(int32_t time_scale) const;
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std::unique_ptr<StreamInfo> GetVideoStreamInfo(int32_t time_scale,
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uint32_t width,
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uint32_t height) const;
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std::unique_ptr<StreamInfo> GetVideoStreamInfo(int32_t time_scale,
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Codec codec) const;
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std::unique_ptr<StreamInfo> GetVideoStreamInfo(int32_t time_scale,
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Codec codec,
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uint32_t width,
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uint32_t height) const;
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std::unique_ptr<StreamInfo> GetAudioStreamInfo(int32_t time_scale) const;
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std::unique_ptr<StreamInfo> GetAudioStreamInfo(int32_t time_scale,
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Codec codec) const;
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std::shared_ptr<MediaSample> GetMediaSample(int64_t timestamp,
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int64_t duration,
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bool is_keyframe) const;
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std::shared_ptr<MediaSample> GetMediaSample(int64_t timestamp,
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int64_t duration,
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bool is_keyframe,
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const uint8_t* data,
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size_t data_length) const;
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std::unique_ptr<SegmentInfo> GetSegmentInfo(int64_t start_timestamp,
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int64_t duration,
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bool is_subsegment) const;
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std::unique_ptr<StreamInfo> GetTextStreamInfo(int32_t timescale) const;
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std::unique_ptr<TextSample> GetTextSample(const std::string& id,
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int64_t start,
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int64_t end,
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const std::string& payload) const;
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std::unique_ptr<CueEvent> GetCueEvent(double time_in_seconds) const;
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// Connect and initialize all handlers.
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Status SetUpAndInitializeGraph(std::shared_ptr<MediaHandler> handler,
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size_t input_count,
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size_t output_count);
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// Get the input handler at |index|. The values of |index| will match the
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// call to |AddInput|.
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FakeInputMediaHandler* Input(size_t index);
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// Get the output handler at |index|. The values of |index| will match the
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// call to |AddOutput|.
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MockOutputMediaHandler* Output(size_t index);
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private:
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MediaHandlerTestBase(const MediaHandlerTestBase&) = delete;
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MediaHandlerTestBase& operator=(const MediaHandlerTestBase&) = delete;
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std::shared_ptr<MediaHandler> handler_;
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std::vector<std::shared_ptr<FakeInputMediaHandler>> inputs_;
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std::vector<std::shared_ptr<MockOutputMediaHandler>> outputs_;
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};
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class MediaHandlerGraphTestBase : public MediaHandlerTestBase {
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public:
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MediaHandlerGraphTestBase();
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protected:
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/// Setup a graph using |handler| with |num_inputs| and |num_outputs|.
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void SetUpGraph(size_t num_inputs,
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size_t num_outputs,
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std::shared_ptr<MediaHandler> handler);
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/// @return the output stream data vector from handler.
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const std::vector<std::unique_ptr<StreamData>>& GetOutputStreamDataVector()
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const;
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/// Clear the output stream data vector.
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void ClearOutputStreamDataVector();
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/// @return some random handler that can be used for testing.
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std::shared_ptr<MediaHandler> some_handler() { return some_handler_; }
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/// @return some a downstream handler that can be used for connecting.
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std::shared_ptr<CachingMediaHandler> next_handler() { return next_handler_; }
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private:
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MediaHandlerGraphTestBase(const MediaHandlerGraphTestBase&) = delete;
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MediaHandlerGraphTestBase& operator=(const MediaHandlerGraphTestBase&) =
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delete;
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// Downstream handler used in testing graph.
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std::shared_ptr<CachingMediaHandler> next_handler_;
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// Some random handler which can be used for testing.
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std::shared_ptr<MediaHandler> some_handler_;
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};
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} // namespace media
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} // namespace shaka
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#endif // PACKAGER_MEDIA_BASE_MEDIA_HANDLER_TEST_BASE_H_
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