Title: [238054] trunk
Revision
238054
Author
jer.no...@apple.com
Date
2018-11-09 13:59:22 -0800 (Fri, 09 Nov 2018)

Log Message

SourceBuffer throws an error when appending a second init segment after changeType().
https://bugs.webkit.org/show_bug.cgi?id=191474

Reviewed by Eric Carlson.

Source/WebCore:

Test: media/media-source/media-source-changetype-second-init.html

When encountering an initialization segment after changeType(), add the parsed codec types
to the list of allowed codecs.

* Modules/mediasource/SourceBuffer.cpp:
(WebCore::SourceBuffer::validateInitializationSegment):
* platform/mock/mediasource/MockMediaPlayerMediaSource.cpp:
(WebCore::MockMediaPlayerMediaSource::supportsType):
* platform/mock/mediasource/MockSourceBufferPrivate.cpp:
(WebCore::MockSourceBufferPrivate::canSwitchToType):
* platform/mock/mediasource/MockSourceBufferPrivate.h:

LayoutTests:

* media/media-source/media-source-changetype-second-init-expected.txt: Added.
* media/media-source/media-source-changetype-second-init.html: Added.

Modified Paths

Added Paths

Diff

Modified: trunk/LayoutTests/ChangeLog (238053 => 238054)


--- trunk/LayoutTests/ChangeLog	2018-11-09 21:26:16 UTC (rev 238053)
+++ trunk/LayoutTests/ChangeLog	2018-11-09 21:59:22 UTC (rev 238054)
@@ -1,3 +1,13 @@
+2018-11-09  Jer Noble  <jer.no...@apple.com>
+
+        SourceBuffer throws an error when appending a second init segment after changeType().
+        https://bugs.webkit.org/show_bug.cgi?id=191474
+
+        Reviewed by Eric Carlson.
+
+        * media/media-source/media-source-changetype-second-init-expected.txt: Added.
+        * media/media-source/media-source-changetype-second-init.html: Added.
+
 2018-11-09  Andy Estes  <aes...@apple.com>
 
         [Payment Request] canMakePayment() should not consider serialized payment method data

Added: trunk/LayoutTests/media/media-source/media-source-changetype-second-init-expected.txt (0 => 238054)


--- trunk/LayoutTests/media/media-source/media-source-changetype-second-init-expected.txt	                        (rev 0)
+++ trunk/LayoutTests/media/media-source/media-source-changetype-second-init-expected.txt	2018-11-09 21:59:22 UTC (rev 238054)
@@ -0,0 +1,13 @@
+
+EXPECTED (source.readyState == 'closed') OK
+EVENT(sourceopen)
+RUN(sourceBuffer = source.addSourceBuffer("video/mock; codecs=mock"))
+RUN(sourceBuffer.appendBuffer(initSegment))
+EVENT(updateend)
+RUN(sourceBuffer.changeType("video/mock; codecs=kcom"))
+RUN(sourceBuffer.appendBuffer(initSegment2))
+EVENT(updateend)
+RUN(sourceBuffer.appendBuffer(initSegment2))
+EVENT(updateend)
+END OF TEST
+

Added: trunk/LayoutTests/media/media-source/media-source-changetype-second-init.html (0 => 238054)


--- trunk/LayoutTests/media/media-source/media-source-changetype-second-init.html	                        (rev 0)
+++ trunk/LayoutTests/media/media-source/media-source-changetype-second-init.html	2018-11-09 21:59:22 UTC (rev 238054)
@@ -0,0 +1,48 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <title>mock-media-source</title>
+    <script src=""
+    <script src=""
+    <script>
+    var source;
+    var sourceBuffer;
+    var initSegment;
+    var initSegment2;
+    var samples;
+
+    if (window.internals)
+        internals.initializeMockMediaSource();
+
+    async function runTest() {
+        findMediaElement();
+
+        source = new MediaSource();
+        testExpected('source.readyState', 'closed');
+
+        video.srcObject = source;
+        await waitFor(source, 'sourceopen');
+
+        run('sourceBuffer = source.addSourceBuffer("video/mock; codecs=mock")');
+        initSegment = makeAInit(8, [makeATrack(1, 'mock', TRACK_KIND.VIDEO)]);
+        run('sourceBuffer.appendBuffer(initSegment)');
+        await waitFor(sourceBuffer, 'updateend');
+
+        run('sourceBuffer.changeType("video/mock; codecs=kcom")');
+
+        initSegment2 = makeAInit(8, [makeATrack(1, 'kcom', TRACK_KIND.VIDEO)]);
+        run('sourceBuffer.appendBuffer(initSegment2)');
+        await waitFor(sourceBuffer, 'updateend');
+
+        run('sourceBuffer.appendBuffer(initSegment2)');
+        await waitFor(sourceBuffer, 'updateend');
+
+        endTest()
+    }
+    
+    </script>
+</head>
+<body _onload_="runTest().catch(failTest)">
+    <video></video>
+</body>
+</html>

Modified: trunk/Source/WebCore/ChangeLog (238053 => 238054)


--- trunk/Source/WebCore/ChangeLog	2018-11-09 21:26:16 UTC (rev 238053)
+++ trunk/Source/WebCore/ChangeLog	2018-11-09 21:59:22 UTC (rev 238054)
@@ -1,3 +1,23 @@
+2018-11-09  Jer Noble  <jer.no...@apple.com>
+
+        SourceBuffer throws an error when appending a second init segment after changeType().
+        https://bugs.webkit.org/show_bug.cgi?id=191474
+
+        Reviewed by Eric Carlson.
+
+        Test: media/media-source/media-source-changetype-second-init.html
+
+        When encountering an initialization segment after changeType(), add the parsed codec types
+        to the list of allowed codecs.
+
+        * Modules/mediasource/SourceBuffer.cpp:
+        (WebCore::SourceBuffer::validateInitializationSegment):
+        * platform/mock/mediasource/MockMediaPlayerMediaSource.cpp:
+        (WebCore::MockMediaPlayerMediaSource::supportsType):
+        * platform/mock/mediasource/MockSourceBufferPrivate.cpp:
+        (WebCore::MockSourceBufferPrivate::canSwitchToType):
+        * platform/mock/mediasource/MockSourceBufferPrivate.h:
+
 2018-11-09  Eric Carlson  <eric.carl...@apple.com>
 
         [MediaStream] AVVideoCaptureSource reports incorrect size when frames are scaled

Modified: trunk/Source/WebCore/Modules/mediasource/SourceBuffer.cpp (238053 => 238054)


--- trunk/Source/WebCore/Modules/mediasource/SourceBuffer.cpp	2018-11-09 21:26:16 UTC (rev 238053)
+++ trunk/Source/WebCore/Modules/mediasource/SourceBuffer.cpp	2018-11-09 21:59:22 UTC (rev 238054)
@@ -1309,23 +1309,36 @@
     // (Note: Issue #155 strikes out this check. For broad compatibility when this experimental feature
     // is not enabled, only perform this check if the "pending initialization segment for changeType flag"
     // is not set.)
-    if (!m_pendingInitializationSegmentForChangeType) {
-        for (auto& audioTrackInfo : segment.audioTracks) {
-            if (!m_audioCodecs.contains(audioTrackInfo.description->codec()))
-                return false;
-        }
+    for (auto& audioTrackInfo : segment.audioTracks) {
+        if (m_audioCodecs.contains(audioTrackInfo.description->codec()))
+            continue;
 
-        for (auto& videoTrackInfo : segment.videoTracks) {
-            if (!m_videoCodecs.contains(videoTrackInfo.description->codec()))
-                return false;
-        }
+        if (!m_pendingInitializationSegmentForChangeType)
+            return false;
 
-        for (auto& textTrackInfo : segment.textTracks) {
-            if (!m_textCodecs.contains(textTrackInfo.description->codec()))
-                return false;
-        }
+        m_audioCodecs.append(audioTrackInfo.description->codec());
     }
 
+    for (auto& videoTrackInfo : segment.videoTracks) {
+        if (m_videoCodecs.contains(videoTrackInfo.description->codec()))
+            continue;
+
+        if (!m_pendingInitializationSegmentForChangeType)
+            return false;
+
+        m_videoCodecs.append(videoTrackInfo.description->codec());
+    }
+
+    for (auto& textTrackInfo : segment.textTracks) {
+        if (m_textCodecs.contains(textTrackInfo.description->codec()))
+            continue;
+
+        if (!m_pendingInitializationSegmentForChangeType)
+            return false;
+
+        m_textCodecs.append(textTrackInfo.description->codec());
+    }
+
     //   * If more than one track for a single type are present (ie 2 audio tracks), then the Track
     //   IDs match the ones in the first initialization segment.
     if (segment.audioTracks.size() >= 2) {

Modified: trunk/Source/WebCore/platform/mock/mediasource/MockMediaPlayerMediaSource.cpp (238053 => 238054)


--- trunk/Source/WebCore/platform/mock/mediasource/MockMediaPlayerMediaSource.cpp	2018-11-09 21:26:16 UTC (rev 238053)
+++ trunk/Source/WebCore/platform/mock/mediasource/MockMediaPlayerMediaSource.cpp	2018-11-09 21:59:22 UTC (rev 238054)
@@ -72,7 +72,10 @@
     if (codecs.isEmpty())
         return MediaPlayer::MayBeSupported;
 
-    return codecs == "mock" ? MediaPlayer::IsSupported : MediaPlayer::MayBeSupported;
+    if (codecs == "mock" || codecs == "kcom")
+        return MediaPlayer::IsSupported;
+
+    return MediaPlayer::MayBeSupported;
 }
 
 MockMediaPlayerMediaSource::MockMediaPlayerMediaSource(MediaPlayer* player)

Modified: trunk/Source/WebCore/platform/mock/mediasource/MockSourceBufferPrivate.cpp (238053 => 238054)


--- trunk/Source/WebCore/platform/mock/mediasource/MockSourceBufferPrivate.cpp	2018-11-09 21:26:16 UTC (rev 238053)
+++ trunk/Source/WebCore/platform/mock/mediasource/MockSourceBufferPrivate.cpp	2018-11-09 21:59:22 UTC (rev 238054)
@@ -240,6 +240,14 @@
     return m_enqueuedSamples;
 }
 
+bool MockSourceBufferPrivate::canSwitchToType(const ContentType& contentType)
+{
+    MediaEngineSupportParameters parameters;
+    parameters.isMediaSource = true;
+    parameters.type = contentType;
+    return MockMediaPlayerMediaSource::supportsType(parameters) != MediaPlayer::IsNotSupported;
+}
+
 void MockSourceBufferPrivate::enqueueSample(Ref<MediaSample>&& sample, const AtomicString&)
 {
     if (!m_mediaSource)

Modified: trunk/Source/WebCore/platform/mock/mediasource/MockSourceBufferPrivate.h (238053 => 238054)


--- trunk/Source/WebCore/platform/mock/mediasource/MockSourceBufferPrivate.h	2018-11-09 21:26:16 UTC (rev 238053)
+++ trunk/Source/WebCore/platform/mock/mediasource/MockSourceBufferPrivate.h	2018-11-09 21:59:22 UTC (rev 238054)
@@ -63,6 +63,7 @@
     void removedFromMediaSource() final;
     MediaPlayer::ReadyState readyState() const final;
     void setReadyState(MediaPlayer::ReadyState) final;
+    bool canSwitchToType(const ContentType&) final;
 
     void flush(const AtomicString&) final { m_enqueuedSamples.clear(); }
     void enqueueSample(Ref<MediaSample>&&, const AtomicString&) final;
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