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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
commit0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch)
treea31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /dom/media/mediasource/gtest/TestContainerParser.cpp
parentInitial commit. (diff)
downloadfirefox-esr-upstream/115.8.0esr.tar.xz
firefox-esr-upstream/115.8.0esr.zip
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/media/mediasource/gtest/TestContainerParser.cpp')
-rw-r--r--dom/media/mediasource/gtest/TestContainerParser.cpp148
1 files changed, 148 insertions, 0 deletions
diff --git a/dom/media/mediasource/gtest/TestContainerParser.cpp b/dom/media/mediasource/gtest/TestContainerParser.cpp
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index 0000000000..dd5a87b64b
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+++ b/dom/media/mediasource/gtest/TestContainerParser.cpp
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include <gtest/gtest.h>
+#include <stdint.h>
+
+#include "ContainerParser.h"
+#include "mozilla/ArrayUtils.h"
+#include "mozilla/gtest/MozAssertions.h"
+
+using namespace mozilla;
+using TimeUnit = mozilla::media::TimeUnit;
+
+TEST(ContainerParser, MIMETypes)
+{
+ const char* containerTypes[] = {"video/webm", "audio/webm", "video/mp4",
+ "audio/mp4", "audio/aac"};
+ UniquePtr<ContainerParser> parser;
+ for (size_t i = 0; i < ArrayLength(containerTypes); ++i) {
+ Maybe<MediaContainerType> containerType =
+ MakeMediaContainerType(containerTypes[i]);
+ ASSERT_TRUE(containerType.isSome());
+ parser = ContainerParser::CreateForMIMEType(*containerType);
+ ASSERT_NE(parser, nullptr);
+ }
+}
+
+already_AddRefed<MediaByteBuffer> make_adts_header() {
+ const uint8_t test[] = {0xff, 0xf1, 0x50, 0x80, 0x03, 0x1f, 0xfc};
+ RefPtr<MediaByteBuffer> buffer(new MediaByteBuffer);
+ buffer->AppendElements(test, ArrayLength(test));
+ return buffer.forget();
+}
+
+TEST(ContainerParser, ADTSHeader)
+{
+ UniquePtr<ContainerParser> parser;
+ parser = ContainerParser::CreateForMIMEType(
+ MediaContainerType(MEDIAMIMETYPE("audio/aac")));
+ ASSERT_NE(parser, nullptr);
+
+ // Audio data should have no gaps.
+ EXPECT_EQ(parser->GetRoundingError(), 0);
+
+ // Test a valid header.
+ RefPtr<MediaByteBuffer> header = make_adts_header();
+ EXPECT_NS_SUCCEEDED(parser->IsInitSegmentPresent(MediaSpan(header)));
+
+ // Test variations.
+ uint8_t save = header->ElementAt(1);
+ for (uint8_t i = 1; i < 3; ++i) {
+ // Set non-zero layer.
+ header->ReplaceElementAt(1, (header->ElementAt(1) & 0xf9) | (i << 1));
+ EXPECT_FALSE(NS_SUCCEEDED(parser->IsInitSegmentPresent(MediaSpan(header))))
+ << "Accepted non-zero layer in header.";
+ }
+ header->ReplaceElementAt(1, save);
+ save = header->ElementAt(2);
+ header->ReplaceElementAt(2, (header->ElementAt(2) & 0x3b) | (15 << 2));
+ EXPECT_FALSE(NS_SUCCEEDED(parser->IsInitSegmentPresent(MediaSpan(header))))
+ << "Accepted explicit frequency in header.";
+ header->ReplaceElementAt(2, save);
+
+ // Test a short header.
+ header->SetLength(6);
+ EXPECT_FALSE(NS_SUCCEEDED(parser->IsInitSegmentPresent(MediaSpan(header))))
+ << "Accepted too-short header.";
+ EXPECT_FALSE(NS_SUCCEEDED(parser->IsMediaSegmentPresent(MediaSpan(header))))
+ << "Found media segment when there was just a partial header.";
+
+ // Test a header with short data.
+ header = make_adts_header();
+ header->AppendElements(1);
+ EXPECT_TRUE(NS_SUCCEEDED(parser->IsInitSegmentPresent(MediaSpan(header))))
+ << "Rejected a valid header.";
+ EXPECT_TRUE(NS_SUCCEEDED(parser->IsMediaSegmentPresent(MediaSpan(header))))
+ << "Rejected a one-byte media segment.";
+
+ // Test parse results.
+ header = make_adts_header();
+ EXPECT_FALSE(NS_SUCCEEDED(parser->IsMediaSegmentPresent(MediaSpan(header))))
+ << "Found media segment when there was just a header.";
+ TimeUnit start;
+ TimeUnit end;
+ EXPECT_TRUE(NS_FAILED(
+ parser->ParseStartAndEndTimestamps(MediaSpan(header), start, end)));
+
+ EXPECT_TRUE(parser->HasInitData());
+ EXPECT_TRUE(parser->HasCompleteInitData());
+ MediaByteBuffer* init = parser->InitData();
+ ASSERT_NE(init, nullptr);
+ EXPECT_EQ(init->Length(), header->Length());
+
+ EXPECT_EQ(parser->InitSegmentRange(),
+ MediaByteRange(0, int64_t(header->Length())));
+ // Media segment range should be empty here.
+ EXPECT_EQ(parser->MediaHeaderRange(), MediaByteRange());
+ EXPECT_EQ(parser->MediaSegmentRange(), MediaByteRange());
+}
+
+TEST(ContainerParser, ADTSBlankMedia)
+{
+ UniquePtr<ContainerParser> parser;
+ parser = ContainerParser::CreateForMIMEType(
+ MediaContainerType(MEDIAMIMETYPE("audio/aac")));
+ ASSERT_NE(parser, nullptr);
+
+ // Audio data should have no gaps.
+ EXPECT_EQ(parser->GetRoundingError(), 0);
+
+ // Test the header only.
+ RefPtr<MediaByteBuffer> header = make_adts_header();
+ EXPECT_NS_SUCCEEDED(parser->IsInitSegmentPresent(MediaSpan(header)));
+
+ // Test with the correct length of (invalid) frame data.
+ size_t header_length = header->Length();
+ size_t data_length = 24;
+ size_t frame_length = header_length + data_length;
+ header->AppendElements(data_length);
+ EXPECT_TRUE(NS_SUCCEEDED(parser->IsInitSegmentPresent(MediaSpan(header))))
+ << "Rejected a valid header.";
+ EXPECT_TRUE(NS_SUCCEEDED(parser->IsMediaSegmentPresent(MediaSpan(header))))
+ << "Rejected a full (but zeroed) media segment.";
+ TimeUnit start;
+ TimeUnit end;
+ // We don't report timestamps from ADTS.
+ EXPECT_TRUE(NS_FAILED(
+ parser->ParseStartAndEndTimestamps(MediaSpan(header), start, end)));
+ EXPECT_TRUE(start.IsZero());
+ EXPECT_TRUE(end.IsZero());
+
+ // Verify the parser calculated header and packet data boundaries.
+ EXPECT_TRUE(parser->HasInitData());
+ EXPECT_TRUE(parser->HasCompleteInitData());
+ MediaByteBuffer* init = parser->InitData();
+ ASSERT_NE(init, nullptr);
+ EXPECT_EQ(init->Length(), header_length)
+ << "Found incorrect init segment length.";
+ EXPECT_EQ(parser->InitSegmentRange(),
+ MediaByteRange(0, int64_t(header_length)));
+ // In ADTS the Media Header is the same as the Media Segment.
+ MediaByteRange expected_media =
+ MediaByteRange(int64_t(header_length), int64_t(frame_length));
+ EXPECT_EQ(parser->MediaHeaderRange(), expected_media);
+ EXPECT_EQ(parser->MediaSegmentRange(), expected_media);
+}