Attachment 349866 Details for Bug 189647 – Patch

[patch] Patch

bug-189647-20180916110346.patch (text/plain), 43.53 KB, created by Philippe Normand on 2018-09-16 03:03:48 PDT

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Creator: Philippe Normand

Created: 2018-09-16 03:03:48 PDT

Size: 43.53 KB

patch

obsolete

>Subversion Revision: 236032
>diff --git a/Source/WebCore/ChangeLog b/Source/WebCore/ChangeLog
>index 82ada9d39001111836889c5c258e47d82a20a87b..69b2fb2d37b1906dc946cc4a1731632873460fed 100644
>--- a/Source/WebCore/ChangeLog
>+++ b/Source/WebCore/ChangeLog
>@@ -1,3 +1,25 @@
>+2018-09-15  Philippe Normand  <pnormand@igalia.com>
>+
>+        [GStreamer] Add support for AV1 decoding
>+        https://bugs.webkit.org/show_bug.cgi?id=189647
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        AV1 can be muxed in MP4 and WebM containers. The test is an adaptation from Chromium's unittest:
>+        https://chromium.googlesource.com/chromium/src/+/master/content/browser/media/media_canplaytype_browsertest.cc
>+
>+        Test: media/media-can-play-av1.html
>+
>+        * platform/graphics/gstreamer/MediaPlayerPrivateGStreamer.cpp:
>+        (WebCore::MediaPlayerPrivateGStreamer::supportsType): Add AV1
>+        support. The av01 codec has to be explicitely checked, along with
>+        the presence of a compatible AV1 decoder.
>+        * platform/graphics/gstreamer/MediaPlayerPrivateGStreamerBase.cpp:
>+        Remove useless extendedSupportsType().
>+        * platform/graphics/gstreamer/MediaPlayerPrivateGStreamerBase.h: Ditto.
>+        * platform/graphics/gstreamer/mse/MediaPlayerPrivateGStreamerMSE.cpp:
>+        (WebCore::MediaPlayerPrivateGStreamerMSE::supportsType): Ditto.
>+
> 2018-09-08  Darin Adler  <darin@apple.com>
> 
>         Streamline JSRetainPtr, fix leaks of JSString and JSGlobalContext
>diff --git a/Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamer.cpp b/Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamer.cpp
>index 330941aa199916ce922ed1ee001cd24541122132..090d38fe0fb9c77fff5fb3c3052cc2c229cb1c3a 100644
>--- a/Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamer.cpp
>+++ b/Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamer.cpp
>@@ -2349,11 +2349,27 @@ MediaPlayer::SupportsType MediaPlayerPrivateGStreamer::supportsType(const MediaE
>     if (parameters.type.isEmpty())
>         return result;
> 
>+    auto containerType = parameters.type.containerType();
>+    if (containerType == "video/mp4"_s || containerType == "video/webm"_s) {
>+        if (mimeTypeSet().contains(containerType)) {
>+            GList* videoDecoderFactories = gst_element_factory_list_get_elements(GST_ELEMENT_FACTORY_TYPE_DECODER | GST_ELEMENT_FACTORY_TYPE_MEDIA_VIDEO, GST_RANK_MARGINAL);
>+            bool av1DecoderFound = gstRegistryHasElementForMediaType(videoDecoderFactories, "video/x-av1"_s);
>+            gst_plugin_feature_list_free(videoDecoderFactories);
>+            for (auto& codec : parameters.type.codecs()) {
>+                if (codec.startsWith("av01"_s))
>+                    return av1DecoderFound ? MediaPlayer::IsSupported : MediaPlayer::MayBeSupported;
>+                if (codec.startsWith("av1"_s))
>+                    return MediaPlayer::IsNotSupported;
>+            }
>+            return result;
>+        }
>+    }
>+
>     // spec says we should not return "probably" if the codecs string is empty
>     if (mimeTypeSet().contains(parameters.type.containerType()))
>         result = parameters.type.codecs().isEmpty() ? MediaPlayer::MayBeSupported : MediaPlayer::IsSupported;
> 
>-    return extendedSupportsType(parameters, result);
>+    return result;
> }
> 
> void MediaPlayerPrivateGStreamer::setDownloadBuffering()
>diff --git a/Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamerBase.cpp b/Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamerBase.cpp
>index 6fa43fc5996903acd8de8e973908f8fc6f08fd38..5aed09d6bb1615a31fac11c9e30dc801dba83276 100644
>--- a/Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamerBase.cpp
>+++ b/Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamerBase.cpp
>@@ -1364,12 +1364,6 @@ bool MediaPlayerPrivateGStreamerBase::supportsKeySystem(const String& keySystem,
>     return result;
> }
> 
>-MediaPlayer::SupportsType MediaPlayerPrivateGStreamerBase::extendedSupportsType(const MediaEngineSupportParameters& parameters, MediaPlayer::SupportsType result)
>-{
>-    UNUSED_PARAM(parameters);
>-    return result;
>-}
>-
> }
> 
> #endif // USE(GSTREAMER)
>diff --git a/Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamerBase.h b/Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamerBase.h
>index a4f024cd13af0c7f103809a0d63b155e16a3261e..ae49b1aa1de935599d568e3c5f5021501275f2fa 100644
>--- a/Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamerBase.h
>+++ b/Source/WebCore/platform/graphics/gstreamer/MediaPlayerPrivateGStreamerBase.h
>@@ -155,7 +155,6 @@ public:
> #endif
> 
>     static bool supportsKeySystem(const String& keySystem, const String& mimeType);
>-    static MediaPlayer::SupportsType extendedSupportsType(const MediaEngineSupportParameters&, MediaPlayer::SupportsType);
> 
> #if USE(GSTREAMER_GL)
>     bool copyVideoTextureToPlatformTexture(GraphicsContext3D*, Platform3DObject, GC3Denum, GC3Dint, GC3Denum, GC3Denum, GC3Denum, bool, bool) override;
>diff --git a/Source/WebCore/platform/graphics/gstreamer/mse/MediaPlayerPrivateGStreamerMSE.cpp b/Source/WebCore/platform/graphics/gstreamer/mse/MediaPlayerPrivateGStreamerMSE.cpp
>index 4f1f8ab038b7833beae2890a2cae45598dfb2a76..6ac29a493224e207e67abe0ffb086face4c2c55a 100644
>--- a/Source/WebCore/platform/graphics/gstreamer/mse/MediaPlayerPrivateGStreamerMSE.cpp
>+++ b/Source/WebCore/platform/graphics/gstreamer/mse/MediaPlayerPrivateGStreamerMSE.cpp
>@@ -857,7 +857,7 @@ MediaPlayer::SupportsType MediaPlayerPrivateGStreamerMSE::supportsType(const Med
>             result = supportsAllCodecs(codecs) ? MediaPlayer::IsSupported : MediaPlayer::IsNotSupported;
>     }
> 
>-    return extendedSupportsType(parameters, result);
>+    return result;
> }
> 
> void MediaPlayerPrivateGStreamerMSE::markEndOfStream(MediaSourcePrivate::EndOfStreamStatus status)
>diff --git a/Tools/ChangeLog b/Tools/ChangeLog
>index c21d76a4837685fc634aa311b36a7520d3e3bddf..b8bc8fe4002e656d067bcca2edbfad0c0550d9ff 100644
>--- a/Tools/ChangeLog
>+++ b/Tools/ChangeLog
>@@ -1,3 +1,23 @@
>+2018-09-15  Philippe Normand  <pnormand@igalia.com>
>+
>+        [GStreamer] Add support for AV1 decoding
>+        https://bugs.webkit.org/show_bug.cgi?id=189647
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Add patches required for AV1 decoding support. They're all
>+        upstream already and will be shipped in GStreamer 1.16. The aom
>+        GStreamer plugin depends on the aom library for which there's no
>+        official release yet.
>+
>+        * gstreamer/jhbuild.modules:
>+        * gstreamer/patches/gst-plugins-bad-0001-aomenc-Add-support-for-10-12bit-decoding.patch: Added.
>+        * gstreamer/patches/gst-plugins-bad-0002-aomenc-Handle-8-bit_depth-images-with-AOM_IMG_FMT_HI.patch: Added.
>+        * gstreamer/patches/gst-plugins-good-0001-qtdemux-Detect-and-expose-CEA-608-708-Closed-Caption.patch: Added. This one is unrelated but an implicit dependency of the next one.
>+        * gstreamer/patches/gst-plugins-good-0004-qtdemux-Add-initial-support-for-AV1-demuxing.patch: Added.
>+        * gstreamer/patches/gst-plugins-good-0005-qtdemux-Extract-AV1-codec_data-and-put-it-in-the-cap.patch: Added.
>+        * gstreamer/patches/gst-plugins-good-0006-qtdemux-Recognize-more-AV1-atoms.patch: Added.
>+
> 2018-09-08  Darin Adler  <darin@apple.com>
> 
>         Streamline JSRetainPtr, fix leaks of JSString and JSGlobalContext
>diff --git a/Tools/gstreamer/jhbuild.modules b/Tools/gstreamer/jhbuild.modules
>index ac38853901d30a6efe61b771d5e5d275a18ae40d..3eef96939a5322eb92081c1c8c0ab11b993ffb4f 100644
>--- a/Tools/gstreamer/jhbuild.modules
>+++ b/Tools/gstreamer/jhbuild.modules
>@@ -21,6 +21,8 @@
>       href="https://github.com/"/>
>   <repository type="git" name="chromium.googlesource.com"
>       href="https://chromium.googlesource.com/webm/"/>
>+  <repository type="git" name="aomedia.googlesource.com"
>+      href="https://aomedia.googlesource.com/"/>
> 
>   <autotools id="orc" autogenargs="--disable-gtk-doc" autogen-sh="configure">
>     <branch module="orc/orc-${version}.tar.xz" version="0.4.28"
>@@ -40,6 +42,11 @@
>     <branch repo="chromium.googlesource.com" checkoutdir="libvpx" tag="v1.7.0"/>
>   </autotools>
> 
>+  <cmake id="aom" cmakeargs="-DBUILD_SHARED_LIBS=1">
>+    <branch repo="aomedia.googlesource.com" module="aom" checkoutdir="aom" branch="master"
>+            revision="master" tag="cdb083e84a71d6d31163a4f64f18dc1328fd782c" />
>+  </cmake>
>+
>   <autotools id="gstreamer" autogen-sh="configure" autogenargs="--disable-gtk-doc --disable-introspection --disable-examples --disable-tests">
>     <dependencies>
>       <dep package="orc"/>
>@@ -74,6 +81,10 @@
>       <patch file="gst-plugins-good-0001-qtdemux-Do-not-run-the-preferred-decryptor-context-q.patch" strip="1" /> 
>       <patch file="gst-plugins-good-0002-qtdemux-Do-not-unref-a-NULL-stream_tags.patch" strip="1" /> 
>       <patch file="gst-plugins-good-0003-qtdemux-Clarify-field-name-about-stream-encryption-s.patch" strip="1" /> 
>+      <patch file="gst-plugins-good-0001-qtdemux-Detect-and-expose-CEA-608-708-Closed-Caption.patch" strip="1" /> 
>+      <patch file="gst-plugins-good-0004-qtdemux-Add-initial-support-for-AV1-demuxing.patch" strip="1" /> 
>+      <patch file="gst-plugins-good-0005-qtdemux-Extract-AV1-codec_data-and-put-it-in-the-cap.patch" strip="1" /> 
>+      <patch file="gst-plugins-good-0006-qtdemux-Recognize-more-AV1-atoms.patch" strip="1" /> 
>     </branch>
>   </autotools>
> 
>@@ -82,8 +93,12 @@
>       <dep package="graphene"/>
>       <dep package="gst-plugins-base"/>
>       <dep package="openh264"/>
>+      <dep package="aom"/>
>     </dependencies>
>-    <branch hash="sha:2a77c6908032aafdf2cd2e5823fec948f16a25c2d1497a953828d762dc20d61a" module="gst-plugins-bad/gst-plugins-bad-${version}.tar.xz" repo="gstreamer" version="1.14.1" />
>+    <branch hash="sha256:2a77c6908032aafdf2cd2e5823fec948f16a25c2d1497a953828d762dc20d61a" module="gst-plugins-bad/gst-plugins-bad-${version}.tar.xz" repo="gstreamer" version="1.14.1">
>+      <patch file="gst-plugins-bad-0001-aomenc-Add-support-for-10-12bit-decoding.patch" strip="1" /> 
>+      <patch file="gst-plugins-bad-0002-aomenc-Handle-8-bit_depth-images-with-AOM_IMG_FMT_HI.patch" strip="1" /> 
>+    </branch>
>   </autotools>
> 
>   <autotools id="gst-libav" autogen-sh="configure" autogenargs="--with-libav-extra-configure='--disable-yasm' --disable-gtk-doc">
>diff --git a/Tools/gstreamer/patches/gst-plugins-bad-0001-aomenc-Add-support-for-10-12bit-decoding.patch b/Tools/gstreamer/patches/gst-plugins-bad-0001-aomenc-Add-support-for-10-12bit-decoding.patch
>new file mode 100644
>index 0000000000000000000000000000000000000000..4b7a225b0234f14e6534299c961c1a542770970c
>--- /dev/null
>+++ b/Tools/gstreamer/patches/gst-plugins-bad-0001-aomenc-Add-support-for-10-12bit-decoding.patch
>@@ -0,0 +1,165 @@
>+From 1d96d9e842dd71882f54ddffbf6c1ccecdb03fcd Mon Sep 17 00:00:00 2001
>+From: Sean-Der <sean@siobud.com>
>+Date: Wed, 27 Jun 2018 09:44:00 +0000
>+Subject: [PATCH] aomenc: Add support for 10/12bit decoding
>+
>+https://bugzilla.gnome.org/show_bug.cgi?id=791674
>+---
>+ ext/aom/gstav1dec.c | 108 ++++++++++++++++++++++++++++++++++++++++++--
>+ 1 file changed, 103 insertions(+), 5 deletions(-)
>+
>+diff --git a/ext/aom/gstav1dec.c b/ext/aom/gstav1dec.c
>+index d33118e64..23b18f44c 100644
>+--- a/ext/aom/gstav1dec.c
>++++ b/ext/aom/gstav1dec.c
>+@@ -52,15 +52,26 @@ static GstStaticPadTemplate gst_av1_dec_src_pad_template =
>+ GST_STATIC_PAD_TEMPLATE ("src",
>+     GST_PAD_SRC,
>+     GST_PAD_ALWAYS,
>+-    GST_STATIC_CAPS ("video/x-raw, "
>+-        "format = (string) \"I420\", "
>+-        "framerate = (fraction) [0, MAX], "
>+-        "width = (int) [ 4, MAX ], " "height = (int) [ 4, MAX ]")
>++    GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ I420, YV12, Y42B, Y444"
>++#if G_BYTE_ORDER == G_LITTLE_ENDIAN
>++            ", I420_10LE, I420_12LE, I422_10LE, I422_12LE, Y444_10LE, Y444_12LE"
>++#else
>++            ", I420_10BE, I420_12BE, I422_10BE, I422_12BE, Y444_10BE, Y444_12BE"
>++#endif
>++            " }"))
>+     );
>+ 
>+ GST_DEBUG_CATEGORY_STATIC (av1_dec_debug);
>+ #define GST_CAT_DEFAULT av1_dec_debug
>+ 
>++#define GST_VIDEO_FORMAT_WITH_ENDIAN(fmt,endian) GST_VIDEO_FORMAT_##fmt##endian
>++
>++#if G_BYTE_ORDER == G_LITTLE_ENDIAN
>++#define AOM_FMT_TO_GST(fmt) GST_VIDEO_FORMAT_WITH_ENDIAN(fmt,LE)
>++#else
>++#define AOM_FMT_TO_GST(fmt) GST_VIDEO_FORMAT_WITH_ENDIAN(fmt,BE)
>++#endif
>++
>+ static void gst_av1_dec_set_property (GObject * object, guint prop_id,
>+     const GValue * value, GParamSpec * pspec);
>+ static void gst_av1_dec_get_property (GObject * object, guint prop_id,
>+@@ -79,6 +90,8 @@ static void gst_av1_dec_image_to_buffer (GstAV1Dec * dec,
>+     const aom_image_t * img, GstBuffer * buffer);
>+ static GstFlowReturn gst_av1_dec_open_codec (GstAV1Dec * av1dec,
>+     GstVideoCodecFrame * frame);
>++static gboolean gst_av1_dec_get_valid_format (GstAV1Dec * dec,
>++    const aom_image_t * img, GstVideoFormat * fmt);
>+ 
>+ #define gst_av1_dec_parent_class parent_class
>+ G_DEFINE_TYPE (GstAV1Dec, gst_av1_dec, GST_TYPE_VIDEO_DECODER);
>+@@ -309,6 +322,81 @@ gst_av1_dec_image_to_buffer (GstAV1Dec * dec, const aom_image_t * img,
>+   gst_video_frame_unmap (&frame);
>+ }
>+ 
>++gboolean
>++gst_av1_dec_get_valid_format (GstAV1Dec * dec, const aom_image_t * img,
>++    GstVideoFormat * fmt)
>++{
>++  switch (img->fmt) {
>++    case AOM_IMG_FMT_I420:
>++    case AOM_IMG_FMT_I42016:
>++      if (img->bit_depth == 8) {
>++        *fmt = img->monochrome ? GST_VIDEO_FORMAT_GRAY8 : GST_VIDEO_FORMAT_I420;
>++        return TRUE;
>++      } else if (img->bit_depth == 10) {
>++        *fmt = AOM_FMT_TO_GST (I420_10);
>++        return TRUE;
>++      } else if (img->bit_depth == 12) {
>++        *fmt = AOM_FMT_TO_GST (I420_12);
>++        return TRUE;
>++      }
>++
>++      GST_FIXME_OBJECT (dec,
>++          "Please add a 4:2:0 planar %u bit depth frame format",
>++          img->bit_depth);
>++      GST_ELEMENT_WARNING (dec, STREAM, NOT_IMPLEMENTED, (NULL),
>++          ("Unsupported frame format - 4:2:0 planar %u bit depth",
>++              img->bit_depth));
>++      return FALSE;
>++
>++    case AOM_IMG_FMT_I422:
>++    case AOM_IMG_FMT_I42216:
>++      if (img->bit_depth == 8) {
>++        *fmt = GST_VIDEO_FORMAT_Y42B;
>++        return TRUE;
>++      } else if (img->bit_depth == 10) {
>++        *fmt = AOM_FMT_TO_GST (I422_10);
>++        return TRUE;
>++      } else if (img->bit_depth == 12) {
>++        *fmt = AOM_FMT_TO_GST (I422_12);
>++        return TRUE;
>++      }
>++      GST_FIXME_OBJECT (dec,
>++          "Please add a 4:2:2 planar %u bit depth frame format",
>++          img->bit_depth);
>++      GST_ELEMENT_WARNING (dec, STREAM, NOT_IMPLEMENTED, (NULL),
>++          ("Unsupported frame format - 4:2:2 planar %u bit depth",
>++              img->bit_depth));
>++      return FALSE;
>++
>++    case AOM_IMG_FMT_I444:
>++    case AOM_IMG_FMT_I44416:
>++      if (img->bit_depth == 8) {
>++        *fmt = GST_VIDEO_FORMAT_Y444;
>++        return TRUE;
>++      } else if (img->bit_depth == 10) {
>++        *fmt = AOM_FMT_TO_GST (Y444_10);
>++        return TRUE;
>++      } else if (img->bit_depth == 12) {
>++        *fmt = AOM_FMT_TO_GST (Y444_12);
>++        return TRUE;
>++      }
>++      GST_FIXME_OBJECT (dec,
>++          "Please add a 4:4:4 planar %u bit depth frame format",
>++          img->bit_depth);
>++      GST_ELEMENT_WARNING (dec, STREAM, NOT_IMPLEMENTED, (NULL),
>++          ("Unsupported frame format - 4:4:4 planar %u bit depth",
>++              img->bit_depth));
>++      return FALSE;
>++
>++    case AOM_IMG_FMT_YV12:
>++      *fmt = GST_VIDEO_FORMAT_YV12;
>++      return TRUE;
>++
>++    default:
>++      return FALSE;
>++  }
>++}
>++
>+ static GstFlowReturn
>+ gst_av1_dec_handle_frame (GstVideoDecoder * dec, GstVideoCodecFrame * frame)
>+ {
>+@@ -318,6 +406,7 @@ gst_av1_dec_handle_frame (GstVideoDecoder * dec, GstVideoCodecFrame * frame)
>+   aom_codec_err_t status;
>+   aom_image_t *img;
>+   aom_codec_iter_t iter = NULL;
>++  GstVideoFormat fmt;
>+ 
>+   if (!av1dec->decoder_inited) {
>+     ret = gst_av1_dec_open_codec (av1dec, frame);
>+@@ -349,7 +438,16 @@ gst_av1_dec_handle_frame (GstVideoDecoder * dec, GstVideoCodecFrame * frame)
>+ 
>+   img = aom_codec_get_frame (&av1dec->decoder, &iter);
>+   if (img) {
>+-    gst_av1_dec_handle_resolution_change (av1dec, img, GST_VIDEO_FORMAT_I420);
>++    if (gst_av1_dec_get_valid_format (av1dec, img, &fmt) == FALSE) {
>++      aom_img_free (img);
>++      GST_ELEMENT_ERROR (dec, LIBRARY, ENCODE,
>++          ("Failed to decode frame"), ("Unsupported color format %d",
>++              img->fmt));
>++      gst_video_codec_frame_unref (frame);
>++      return GST_FLOW_ERROR;
>++    }
>++
>++    gst_av1_dec_handle_resolution_change (av1dec, img, fmt);
>+ 
>+     ret = gst_video_decoder_allocate_output_frame (dec, frame);
>+     if (ret == GST_FLOW_OK) {
>+-- 
>+2.18.0
>+
>diff --git a/Tools/gstreamer/patches/gst-plugins-bad-0002-aomenc-Handle-8-bit_depth-images-with-AOM_IMG_FMT_HI.patch b/Tools/gstreamer/patches/gst-plugins-bad-0002-aomenc-Handle-8-bit_depth-images-with-AOM_IMG_FMT_HI.patch
>new file mode 100644
>index 0000000000000000000000000000000000000000..12bf661886e3a5758b8a9e8315f76478e8577bc8
>--- /dev/null
>+++ b/Tools/gstreamer/patches/gst-plugins-bad-0002-aomenc-Handle-8-bit_depth-images-with-AOM_IMG_FMT_HI.patch
>@@ -0,0 +1,56 @@
>+From 10a37e0c3528a721084441c37af37baef0908ddc Mon Sep 17 00:00:00 2001
>+From: Sean-Der <sean@siobud.com>
>+Date: Wed, 27 Jun 2018 09:48:00 +0000
>+Subject: [PATCH] aomenc: Handle 8 bit_depth images with
>+ AOM_IMG_FMT_HIGHBITDEPTH enabled
>+
>+https://bugzilla.gnome.org/show_bug.cgi?id=791674
>+---
>+ ext/aom/gstav1dec.c | 20 ++++++++++++++++----
>+ 1 file changed, 16 insertions(+), 4 deletions(-)
>+
>+diff --git a/ext/aom/gstav1dec.c b/ext/aom/gstav1dec.c
>+index 23b18f44c..6e0a9bd5d 100644
>+--- a/ext/aom/gstav1dec.c
>++++ b/ext/aom/gstav1dec.c
>+@@ -285,7 +285,7 @@ static void
>+ gst_av1_dec_image_to_buffer (GstAV1Dec * dec, const aom_image_t * img,
>+     GstBuffer * buffer)
>+ {
>+-  int deststride, srcstride, height, width, line, comp;
>++  int deststride, srcstride, height, width, line, comp, y;
>+   guint8 *dest, *src;
>+   GstVideoFrame frame;
>+   GstVideoInfo *info = &dec->output_state->info;
>+@@ -298,13 +298,25 @@ gst_av1_dec_image_to_buffer (GstAV1Dec * dec, const aom_image_t * img,
>+   for (comp = 0; comp < 3; comp++) {
>+     dest = GST_VIDEO_FRAME_COMP_DATA (&frame, comp);
>+     src = img->planes[comp];
>+-    width = GST_VIDEO_FRAME_COMP_WIDTH (&frame, comp)
>+-        * GST_VIDEO_FRAME_COMP_PSTRIDE (&frame, comp);
>++    width =
>++        GST_VIDEO_FRAME_COMP_WIDTH (&frame,
>++        comp) * GST_VIDEO_FRAME_COMP_PSTRIDE (&frame, comp);
>+     height = GST_VIDEO_FRAME_COMP_HEIGHT (&frame, comp);
>+     deststride = GST_VIDEO_FRAME_COMP_STRIDE (&frame, comp);
>+     srcstride = img->stride[comp];
>+ 
>+-    if (srcstride == deststride) {
>++    if ((img->fmt & AOM_IMG_FMT_HIGHBITDEPTH) && img->bit_depth == 8) {
>++      GST_TRACE_OBJECT (dec,
>++          "HIGHBITDEPTH image with 8 bit_depth. Comp %d: %d != %d, copying "
>++          "line by line.", comp, srcstride, deststride);
>++      for (line = 0; line < height; line++) {
>++        for (y = 0; y < width; y++) {
>++          dest[y] = src[y * 2];
>++        }
>++        dest += deststride;
>++        src += srcstride;
>++      }
>++    } else if (srcstride == deststride) {
>+       GST_TRACE_OBJECT (dec, "Stride matches. Comp %d: %d, copying full plane",
>+           comp, srcstride);
>+       memcpy (dest, src, srcstride * height);
>+-- 
>+2.18.0
>+
>diff --git a/Tools/gstreamer/patches/gst-plugins-good-0001-qtdemux-Detect-and-expose-CEA-608-708-Closed-Caption.patch b/Tools/gstreamer/patches/gst-plugins-good-0001-qtdemux-Detect-and-expose-CEA-608-708-Closed-Caption.patch
>new file mode 100644
>index 0000000000000000000000000000000000000000..9886d1082c0e041efe1ff05aaee39656a4d4fbba
>--- /dev/null
>+++ b/Tools/gstreamer/patches/gst-plugins-good-0001-qtdemux-Detect-and-expose-CEA-608-708-Closed-Caption.patch
>@@ -0,0 +1,234 @@
>+From 2869edeea29a022007a99db2df41b5a7e1a3025c Mon Sep 17 00:00:00 2001
>+From: Edward Hervey <edward@centricular.com>
>+Date: Wed, 31 Jan 2018 15:10:03 +0100
>+Subject: [PATCH] qtdemux: Detect and expose CEA 608/708 Closed Caption tracks
>+
>+https://bugzilla.gnome.org/show_bug.cgi?id=606643
>+---
>+ gst/isomp4/fourcc.h        |   6 ++
>+ gst/isomp4/qtdemux.c       | 151 ++++++++++++++++++++++++++++++++++++-
>+ gst/isomp4/qtdemux_types.c |   1 +
>+ 3 files changed, 156 insertions(+), 2 deletions(-)
>+
>+diff --git a/gst/isomp4/fourcc.h b/gst/isomp4/fourcc.h
>+index be5c7c04e..6f467ffbb 100644
>+--- a/gst/isomp4/fourcc.h
>++++ b/gst/isomp4/fourcc.h
>+@@ -95,6 +95,12 @@ G_BEGIN_DECLS
>+ #define FOURCC_avc1     GST_MAKE_FOURCC('a','v','c','1')
>+ #define FOURCC_avc3     GST_MAKE_FOURCC('a','v','c','3')
>+ #define FOURCC_avcC     GST_MAKE_FOURCC('a','v','c','C')
>++#define FOURCC_c608     GST_MAKE_FOURCC('c','6','0','8')
>++#define FOURCC_c708     GST_MAKE_FOURCC('c','7','0','8')
>++#define FOURCC_ccdp     GST_MAKE_FOURCC('c','c','d','p')
>++#define FOURCC_cdat     GST_MAKE_FOURCC('c','d','a','t')
>++#define FOURCC_cdt2     GST_MAKE_FOURCC('c','d','t','2')
>++#define FOURCC_clcp     GST_MAKE_FOURCC('c','l','c','p')
>+ #define FOURCC_clip     GST_MAKE_FOURCC('c','l','i','p')
>+ #define FOURCC_cmov     GST_MAKE_FOURCC('c','m','o','v')
>+ #define FOURCC_cmvd     GST_MAKE_FOURCC('c','m','v','d')
>+diff --git a/gst/isomp4/qtdemux.c b/gst/isomp4/qtdemux.c
>+index 79ef5f55b..f732e92b3 100644
>+--- a/gst/isomp4/qtdemux.c
>++++ b/gst/isomp4/qtdemux.c
>+@@ -5370,6 +5370,120 @@ gst_qtdemux_align_buffer (GstQTDemux * demux,
>+   return buffer;
>+ }
>+ 
>++static guint8 *
>++convert_to_ccdata (const guint8 * ccpair, guint8 ccpair_size, guint field,
>++    gsize * res)
>++{
>++  guint8 *storage;
>++  gsize i;
>++
>++  /* We are converting from pairs to triplets */
>++  *res = ccpair_size / 2 * 3;
>++  storage = g_malloc (*res);
>++  for (i = 0; i * 2 < ccpair_size; i += 1) {
>++    if (field == 1)
>++      storage[i * 3] = 0xfc;
>++    else
>++      storage[i * 3] = 0xfd;
>++    storage[i * 3 + 1] = ccpair[i * 2];
>++    storage[i * 3 + 2] = ccpair[i * 2 + 1];
>++  }
>++
>++  return storage;
>++}
>++
>++static guint8 *
>++extract_cc_from_data (QtDemuxStream * stream, const guint8 * data, gsize size,
>++    gsize * cclen)
>++{
>++  guint8 *res = NULL;
>++  guint32 atom_length, fourcc;
>++  QtDemuxStreamStsdEntry *stsd_entry;
>++
>++  GST_MEMDUMP ("caption atom", data, size);
>++
>++  /* There might be multiple atoms */
>++
>++  *cclen = 0;
>++  if (size < 8)
>++    goto invalid_cdat;
>++  atom_length = QT_UINT32 (data);
>++  fourcc = QT_FOURCC (data + 4);
>++  if (G_UNLIKELY (atom_length > size || atom_length == 8))
>++    goto invalid_cdat;
>++
>++  GST_DEBUG_OBJECT (stream->pad, "here");
>++
>++  /* Check if we have somethig compatible */
>++  stsd_entry = CUR_STREAM (stream);
>++  switch (stsd_entry->fourcc) {
>++    case FOURCC_c608:{
>++      guint8 *cdat = NULL, *cdt2 = NULL;
>++      gsize cdat_size = 0, cdt2_size = 0;
>++      /* Should be cdat or cdt2 */
>++      if (fourcc != FOURCC_cdat && fourcc != FOURCC_cdt2) {
>++        GST_WARNING_OBJECT (stream->pad,
>++            "Unknown data atom (%" GST_FOURCC_FORMAT ") for CEA608",
>++            GST_FOURCC_ARGS (fourcc));
>++        goto invalid_cdat;
>++      }
>++      /* Convert to cc_data triplet */
>++      if (fourcc == FOURCC_cdat)
>++        cdat = convert_to_ccdata (data + 8, atom_length - 8, 1, &cdat_size);
>++      else
>++        cdt2 = convert_to_ccdata (data + 8, atom_length - 8, 2, &cdt2_size);
>++      GST_DEBUG_OBJECT (stream->pad, "size:%" G_GSIZE_FORMAT " atom_length:%u",
>++          size, atom_length);
>++      /* Check for another atom ? */
>++      if (size > atom_length + 8) {
>++        guint32 new_atom_length = QT_UINT32 (data + atom_length);
>++        if (size <= atom_length + new_atom_length) {
>++          fourcc = QT_FOURCC (data + atom_length + 4);
>++          if (fourcc == FOURCC_cdat)
>++            cdat =
>++                convert_to_ccdata (data + atom_length + 8, new_atom_length - 8,
>++                1, &cdat_size);
>++          else
>++            cdt2 =
>++                convert_to_ccdata (data + atom_length + 8, new_atom_length - 8,
>++                2, &cdt2_size);
>++        }
>++      }
>++      *cclen = cdat_size + cdt2_size;
>++      res = g_malloc (*cclen);
>++      if (cdat_size)
>++        memcpy (res, cdat, cdat_size);
>++      if (cdt2_size)
>++        memcpy (res + cdat_size, cdt2, cdt2_size);
>++      g_free (cdat);
>++      g_free (cdt2);
>++    }
>++      break;
>++    case FOURCC_c708:
>++      if (fourcc != FOURCC_ccdp) {
>++        GST_WARNING_OBJECT (stream->pad,
>++            "Unknown data atom (%" GST_FOURCC_FORMAT ") for CEA708",
>++            GST_FOURCC_ARGS (fourcc));
>++        goto invalid_cdat;
>++      }
>++      *cclen = atom_length - 8;
>++      res = g_memdup (data + 8, *cclen);
>++      break;
>++    default:
>++      /* Keep this here in case other closed caption formats are added */
>++      g_assert_not_reached ();
>++      break;
>++  }
>++
>++  GST_MEMDUMP ("Output", res, *cclen);
>++  return res;
>++
>++  /* Errors */
>++invalid_cdat:
>++  GST_WARNING ("[cdat] atom is too small or invalid");
>++  return NULL;
>++}
>++
>+ /* the input buffer metadata must be writable,
>+  * but time/duration etc not yet set and need not be preserved */
>+ static GstBuffer *
>+@@ -5390,7 +5504,7 @@ gst_qtdemux_process_buffer (GstQTDemux * qtdemux, QtDemuxStream * stream,
>+ 
>+   if (G_UNLIKELY (stream->subtype != FOURCC_text
>+           && stream->subtype != FOURCC_sbtl &&
>+-          stream->subtype != FOURCC_subp)) {
>++          stream->subtype != FOURCC_subp && stream->subtype != FOURCC_clcp)) {
>+     return buf;
>+   }
>+ 
>+@@ -5408,6 +5522,23 @@ gst_qtdemux_process_buffer (GstQTDemux * qtdemux, QtDemuxStream * stream,
>+     return buf;
>+   }
>+ 
>++  if (stream->subtype == FOURCC_clcp) {
>++    guint8 *cc;
>++    gsize cclen = 0;
>++    /* For closed caption, we need to extract the information from the
>++     * [cdat],[cdt2] or [ccdp] atom */
>++    cc = extract_cc_from_data (stream, map.data, map.size, &cclen);
>++    gst_buffer_unmap (buf, &map);
>++    gst_buffer_unref (buf);
>++    if (cc) {
>++      buf = _gst_buffer_new_wrapped (cc, cclen, g_free);
>++    } else {
>++      /* Conversion failed or there's nothing */
>++      buf = NULL;
>++    }
>++    return buf;
>++  }
>++
>+   nsize = GST_READ_UINT16_BE (map.data);
>+   nsize = MIN (nsize, map.size - 2);
>+ 
>+@@ -11557,7 +11688,8 @@ qtdemux_parse_trak (GstQTDemux * qtdemux, GNode * trak)
>+       }
>+       entry->sampled = TRUE;
>+     } else if (stream->subtype == FOURCC_subp || stream->subtype == FOURCC_text
>+-        || stream->subtype == FOURCC_sbtl || stream->subtype == FOURCC_subt) {
>++        || stream->subtype == FOURCC_sbtl || stream->subtype == FOURCC_subt
>++        || stream->subtype == FOURCC_clcp) {
>+ 
>+       entry->sampled = TRUE;
>+       entry->sparse = TRUE;
>+@@ -14548,6 +14680,21 @@ qtdemux_sub_caps (GstQTDemux * qtdemux, QtDemuxStream * stream,
>+       _codec ("XML subtitles");
>+       caps = gst_caps_new_empty_simple ("application/ttml+xml");
>+       break;
>++    case FOURCC_c608:
>++      _codec ("CEA 608 Closed Caption");
>++      caps =
>++          gst_caps_new_simple ("closedcaption/x-cea-608", "format",
>++          G_TYPE_STRING, "cc_data", NULL);
>++      stream->need_process = TRUE;
>++      break;
>++    case FOURCC_c708:
>++      _codec ("CEA 708 Closed Caption");
>++      caps =
>++          gst_caps_new_simple ("closedcaption/x-cea-708", "format",
>++          G_TYPE_STRING, "cdp", NULL);
>++      stream->need_process = TRUE;
>++      break;
>++
>+     default:
>+     {
>+       caps = _get_unknown_codec_name ("text", fourcc);
>+diff --git a/gst/isomp4/qtdemux_types.c b/gst/isomp4/qtdemux_types.c
>+index 88db8c2ce..1d5840394 100644
>+--- a/gst/isomp4/qtdemux_types.c
>++++ b/gst/isomp4/qtdemux_types.c
>+@@ -213,6 +213,7 @@ static const QtNodeType qt_node_types[] = {
>+   {FOURCC_pssh, "protection system specific header", 0},
>+   {FOURCC_tenc, "track encryption", 0},
>+   {FOURCC_stpp, "XML subtitle sample entry", 0},
>++  {FOURCC_clcp, "Closed Caption", 0},
>+   {0, "unknown", 0,},
>+ };
>+ 
>+-- 
>+2.18.0
>+
>diff --git a/Tools/gstreamer/patches/gst-plugins-good-0004-qtdemux-Add-initial-support-for-AV1-demuxing.patch b/Tools/gstreamer/patches/gst-plugins-good-0004-qtdemux-Add-initial-support-for-AV1-demuxing.patch
>new file mode 100644
>index 0000000000000000000000000000000000000000..3f2b4973eff7284053009db98913009969b2cf53
>--- /dev/null
>+++ b/Tools/gstreamer/patches/gst-plugins-good-0004-qtdemux-Add-initial-support-for-AV1-demuxing.patch
>@@ -0,0 +1,123 @@
>+From b6e8c6323e01249bb3ac4f121c3adc3ea8d924bf Mon Sep 17 00:00:00 2001
>+From: =?UTF-8?q?Olivier=20Cr=C3=AAte?= <olivier.crete@collabora.com>
>+Date: Wed, 25 Jul 2018 10:43:11 -0400
>+Subject: [PATCH] qtdemux: Add initial support for AV1 demuxing
>+
>+Following the spec at
>+https://aomediacodec.github.io/av1-isobmff/
>+---
>+ gst/isomp4/fourcc.h        |  1 +
>+ gst/isomp4/qtdemux.c       |  4 ++++
>+ gst/isomp4/qtdemux_dump.c  | 49 ++++++++++++++++++++++++++++++++++++++
>+ gst/isomp4/qtdemux_types.c |  1 +
>+ 4 files changed, 55 insertions(+)
>+
>+diff --git a/gst/isomp4/fourcc.h b/gst/isomp4/fourcc.h
>+index 6f467ffbb..c06b69418 100644
>+--- a/gst/isomp4/fourcc.h
>++++ b/gst/isomp4/fourcc.h
>+@@ -264,6 +264,7 @@ G_BEGIN_DECLS
>+ #define FOURCC_wide     GST_MAKE_FOURCC('w','i','d','e')
>+ #define FOURCC_zlib     GST_MAKE_FOURCC('z','l','i','b')
>+ #define FOURCC_lpcm     GST_MAKE_FOURCC('l','p','c','m')
>++#define FOURCC_av01     GST_MAKE_FOURCC('a','v','0','1')
>+ 
>+ #define FOURCC_cfhd     GST_MAKE_FOURCC('C','F','H','D')
>+ #define FOURCC_ap4x     GST_MAKE_FOURCC('a','p','4','x')
>+diff --git a/gst/isomp4/qtdemux.c b/gst/isomp4/qtdemux.c
>+index 3efb5ba9d..7a682833f 100644
>+--- a/gst/isomp4/qtdemux.c
>++++ b/gst/isomp4/qtdemux.c
>+@@ -14651,6 +14651,10 @@ qtdemux_video_caps (GstQTDemux * qtdemux, QtDemuxStream * stream,
>+       caps = gst_caps_new_simple ("video/x-wmv",
>+           "wmvversion", G_TYPE_INT, 3, "format", G_TYPE_STRING, "WVC1", NULL);
>+       break;
>++    case FOURCC_av01:
>++      _codec ("AV1");
>++      caps = gst_caps_new_empty_simple ("video/x-av1");
>++      break;
>+     case GST_MAKE_FOURCC ('k', 'p', 'c', 'd'):
>+     default:
>+     {
>+diff --git a/gst/isomp4/qtdemux_dump.c b/gst/isomp4/qtdemux_dump.c
>+index 5ff2e9288..25921dfe2 100644
>+--- a/gst/isomp4/qtdemux_dump.c
>++++ b/gst/isomp4/qtdemux_dump.c
>+@@ -303,6 +303,51 @@ qtdemux_dump_stsd_avc1 (GstQTDemux * qtdemux, GstByteReader * data, guint size,
>+   return TRUE;
>+ }
>+ 
>++
>++static gboolean
>++qtdemux_dump_stsd_av01 (GstQTDemux * qtdemux, GstByteReader * data, guint size,
>++    int depth)
>++{
>++  guint compressor_len;
>++  char compressor_name[32];
>++
>++  /* Size of av01 = 78 bytes */
>++  if (size < (6 + 2 + 4 + 12 + 2 + 2 + 4 + 4 + 4 + 2 + 1 + 31 + 2 + 2))
>++    return FALSE;
>++
>++  gst_byte_reader_skip_unchecked (data, 6);
>++  GST_LOG_OBJECT (qtdemux, "%*s    data reference:%d", depth, "",
>++      GET_UINT16 (data));
>++  GST_LOG_OBJECT (qtdemux, "%*s    version/rev.:  %08x", depth, "",
>++      GET_UINT32 (data));
>++  gst_byte_reader_skip_unchecked (data, 12);    /* pre-defined & reserved */
>++  GST_LOG_OBJECT (qtdemux, "%*s    width:         %u", depth, "",
>++      GET_UINT16 (data));
>++  GST_LOG_OBJECT (qtdemux, "%*s    height:        %u", depth, "",
>++      GET_UINT16 (data));
>++  GST_LOG_OBJECT (qtdemux, "%*s    horiz. resol:  %g", depth, "",
>++      GET_FP32 (data));
>++  GST_LOG_OBJECT (qtdemux, "%*s    vert. resol.:  %g", depth, "",
>++      GET_FP32 (data));
>++  GST_LOG_OBJECT (qtdemux, "%*s    data size:     %u", depth, "",
>++      GET_UINT32 (data));
>++  GST_LOG_OBJECT (qtdemux, "%*s    frame count:   %u", depth, "",
>++      GET_UINT16 (data));
>++  /* something is not right with this, it's supposed to be a string but it's
>++   * not apparently, so just skip this for now */
>++  compressor_len = MAX (GET_UINT8 (data), 31);
>++  memcpy (compressor_name, gst_byte_reader_get_data_unchecked (data, 31), 31);
>++  compressor_name[compressor_len] = 0;
>++  GST_LOG_OBJECT (qtdemux, "%*s    compressor:    %s", depth, "",
>++      compressor_name);
>++  GST_LOG_OBJECT (qtdemux, "%*s    depth:         %u", depth, "",
>++      GET_UINT16 (data));
>++  GST_LOG_OBJECT (qtdemux, "%*s    color table ID:%u", depth, "",
>++      GET_UINT16 (data));
>++
>++  return TRUE;
>++}
>++
>+ gboolean
>+ qtdemux_dump_stsd (GstQTDemux * qtdemux, GstByteReader * data, int depth)
>+ {
>+@@ -353,6 +398,10 @@ qtdemux_dump_stsd (GstQTDemux * qtdemux, GstByteReader * data, int depth)
>+         if (!qtdemux_dump_unknown (qtdemux, &sub, depth + 1))
>+           return FALSE;
>+         break;
>++      case FOURCC_av01:
>++        if (!qtdemux_dump_stsd_av01 (qtdemux, &sub, size, depth + 1))
>++          return FALSE;
>++        break;
>+       default:
>+         /* Unknown stsd data, dump the bytes */
>+         if (!qtdemux_dump_unknown (qtdemux, &sub, depth + 1))
>+diff --git a/gst/isomp4/qtdemux_types.c b/gst/isomp4/qtdemux_types.c
>+index 1d5840394..68f98bd45 100644
>+--- a/gst/isomp4/qtdemux_types.c
>++++ b/gst/isomp4/qtdemux_types.c
>+@@ -214,6 +214,7 @@ static const QtNodeType qt_node_types[] = {
>+   {FOURCC_tenc, "track encryption", 0},
>+   {FOURCC_stpp, "XML subtitle sample entry", 0},
>+   {FOURCC_clcp, "Closed Caption", 0},
>++  {FOURCC_av01, "AV1 Sample Entry", 0},
>+   {0, "unknown", 0,},
>+ };
>+ 
>+-- 
>+2.18.0
>+
>diff --git a/Tools/gstreamer/patches/gst-plugins-good-0005-qtdemux-Extract-AV1-codec_data-and-put-it-in-the-cap.patch b/Tools/gstreamer/patches/gst-plugins-good-0005-qtdemux-Extract-AV1-codec_data-and-put-it-in-the-cap.patch
>new file mode 100644
>index 0000000000000000000000000000000000000000..66b323e8fd2fc3a60c0eaaa4d90eb52e58a87330
>--- /dev/null
>+++ b/Tools/gstreamer/patches/gst-plugins-good-0005-qtdemux-Extract-AV1-codec_data-and-put-it-in-the-cap.patch
>@@ -0,0 +1,112 @@
>+From 43ee4055c3d03a9f99acdf3c05f45e154899edef Mon Sep 17 00:00:00 2001
>+From: =?UTF-8?q?Olivier=20Cr=C3=AAte?= <olivier.crete@collabora.com>
>+Date: Wed, 25 Jul 2018 14:31:39 -0400
>+Subject: [PATCH] qtdemux: Extract AV1 codec_data and put it in the caps
>+
>+Also extract the presentation-delay and put it in the caps.
>+---
>+ gst/isomp4/fourcc.h  |  1 +
>+ gst/isomp4/qtdemux.c | 75 ++++++++++++++++++++++++++++++++++++++++++++
>+ 2 files changed, 76 insertions(+)
>+
>+diff --git a/gst/isomp4/fourcc.h b/gst/isomp4/fourcc.h
>+index c06b69418..e18e6c2c9 100644
>+--- a/gst/isomp4/fourcc.h
>++++ b/gst/isomp4/fourcc.h
>+@@ -265,6 +265,7 @@ G_BEGIN_DECLS
>+ #define FOURCC_zlib     GST_MAKE_FOURCC('z','l','i','b')
>+ #define FOURCC_lpcm     GST_MAKE_FOURCC('l','p','c','m')
>+ #define FOURCC_av01     GST_MAKE_FOURCC('a','v','0','1')
>++#define FOURCC_av1C     GST_MAKE_FOURCC('a','v','1','C')
>+ 
>+ #define FOURCC_cfhd     GST_MAKE_FOURCC('C','F','H','D')
>+ #define FOURCC_ap4x     GST_MAKE_FOURCC('a','p','4','x')
>+diff --git a/gst/isomp4/qtdemux.c b/gst/isomp4/qtdemux.c
>+index 7a682833f..d1ce320b8 100644
>+--- a/gst/isomp4/qtdemux.c
>++++ b/gst/isomp4/qtdemux.c
>+@@ -11187,6 +11187,81 @@ qtdemux_parse_trak (GstQTDemux * qtdemux, GNode * trak)
>+             }
>+             break;
>+           }
>++          case FOURCC_av01:
>++          {
>++            gint len = QT_UINT32 (stsd_entry_data) - 0x56;
>++            const guint8 *av1_data = stsd_entry_data + 0x56;
>++
>++            /* find av1C */
>++            while (len >= 0x8) {
>++              gint size;
>++
>++              if (QT_UINT32 (av1_data) <= len)
>++                size = QT_UINT32 (av1_data) - 0x8;
>++              else
>++                size = len - 0x8;
>++
>++              if (size < 1)
>++                /* No real data, so break out */
>++                break;
>++
>++              switch (QT_FOURCC (av1_data + 0x4)) {
>++                case FOURCC_av1C:
>++                {
>++                  /* parse, if found */
>++                  GstBuffer *buf;
>++                  guint8 pres_delay_field;
>++
>++                  GST_DEBUG_OBJECT (qtdemux,
>++                      "found av1C codec_data in stsd of size %d", size);
>++
>++                  /* not enough data, just ignore and hope for the best */
>++                  if (size < 5)
>++                    break;
>++
>++                  /* Content is:
>++                   * 4 bytes: atom length
>++                   * 4 bytes: fourcc
>++                   * 1 byte: version
>++                   * 3 bytes: flags
>++                   * 3 bits: reserved
>++                   * 1 bits:  initial_presentation_delay_present
>++                   * 4 bits: initial_presentation_delay (if present else reserved
>++                   * rest: OBUs.
>++                   */
>++
>++                  if (av1_data[9] != 0) {
>++                    GST_WARNING ("Unknown version %d of av1C box", av1_data[9]);
>++                    break;
>++                  }
>++
>++                  /* We skip initial_presentation_delay* for now */
>++                  pres_delay_field = *(av1_data + 12);
>++                  if (pres_delay_field & (1 << 5)) {
>++                    gst_caps_set_simple (entry->caps,
>++                        "presentation-delay", G_TYPE_INT,
>++                        (gint) (pres_delay_field & 0x0F) + 1, NULL);
>++                  }
>++                  if (size > 5) {
>++                    buf = gst_buffer_new_and_alloc (size - 5);
>++                    GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_HEADER);
>++                    gst_buffer_fill (buf, 0, av1_data + 13, size - 5);
>++                    gst_caps_set_simple (entry->caps,
>++                        "codec_data", GST_TYPE_BUFFER, buf, NULL);
>++                    gst_buffer_unref (buf);
>++                  }
>++                  break;
>++                }
>++                default:
>++                  break;
>++              }
>++
>++              len -= size + 8;
>++              av1_data += size + 8;
>++            }
>++
>++            break;
>++          }
>+           default:
>+             break;
>+         }
>+-- 
>+2.18.0
>+
>diff --git a/Tools/gstreamer/patches/gst-plugins-good-0006-qtdemux-Recognize-more-AV1-atoms.patch b/Tools/gstreamer/patches/gst-plugins-good-0006-qtdemux-Recognize-more-AV1-atoms.patch
>new file mode 100644
>index 0000000000000000000000000000000000000000..fd5757482219db90110051b8774e282ba081cce8
>--- /dev/null
>+++ b/Tools/gstreamer/patches/gst-plugins-good-0006-qtdemux-Recognize-more-AV1-atoms.patch
>@@ -0,0 +1,44 @@
>+From e07ce9afb4edb2ea898763c7ea11f0af2704104e Mon Sep 17 00:00:00 2001
>+From: =?UTF-8?q?Olivier=20Cr=C3=AAte?= <olivier.crete@collabora.com>
>+Date: Wed, 25 Jul 2018 16:51:38 -0400
>+Subject: [PATCH] qtdemux: Recognize more AV1 atoms
>+
>+---
>+ gst/isomp4/fourcc.h        | 4 ++++
>+ gst/isomp4/qtdemux_types.c | 5 +++++
>+ 2 files changed, 9 insertions(+)
>+
>+diff --git a/gst/isomp4/fourcc.h b/gst/isomp4/fourcc.h
>+index e18e6c2c9..6c425e6f9 100644
>+--- a/gst/isomp4/fourcc.h
>++++ b/gst/isomp4/fourcc.h
>+@@ -266,6 +266,10 @@ G_BEGIN_DECLS
>+ #define FOURCC_lpcm     GST_MAKE_FOURCC('l','p','c','m')
>+ #define FOURCC_av01     GST_MAKE_FOURCC('a','v','0','1')
>+ #define FOURCC_av1C     GST_MAKE_FOURCC('a','v','1','C')
>++#define FOURCC_av1f     GST_MAKE_FOURCC('a','v','1','f')
>++#define FOURCC_av1m     GST_MAKE_FOURCC('a','v','1','m')
>++#define FOURCC_av1s     GST_MAKE_FOURCC('a','v','1','s')
>++#define FOURCC_av1M     GST_MAKE_FOURCC('a','v','1','M')
>+ 
>+ #define FOURCC_cfhd     GST_MAKE_FOURCC('C','F','H','D')
>+ #define FOURCC_ap4x     GST_MAKE_FOURCC('a','p','4','x')
>+diff --git a/gst/isomp4/qtdemux_types.c b/gst/isomp4/qtdemux_types.c
>+index 68f98bd45..9ab2e7e3e 100644
>+--- a/gst/isomp4/qtdemux_types.c
>++++ b/gst/isomp4/qtdemux_types.c
>+@@ -215,6 +215,11 @@ static const QtNodeType qt_node_types[] = {
>+   {FOURCC_stpp, "XML subtitle sample entry", 0},
>+   {FOURCC_clcp, "Closed Caption", 0},
>+   {FOURCC_av01, "AV1 Sample Entry", 0},
>++  {FOURCC_av1C, "AV1 Codec Configuration", 0},
>++  {FOURCC_av1f, "AV1 Forward Key Frame sample group entry", 0},
>++  {FOURCC_av1m, "AV1 Multi-Frame sample group entry", 0},
>++  {FOURCC_av1s, "AV1 S-Frame sample group entry", 0},
>++  {FOURCC_av1M, "AV1 Metadata sample group entry", 0},
>+   {0, "unknown", 0,},
>+ };
>+ 
>+-- 
>+2.18.0
>+
>diff --git a/LayoutTests/ChangeLog b/LayoutTests/ChangeLog
>index f9a510ffdf8715d14b74c98732e9a19c305a7aa7..d834629c1fb1c96ff85a8bc4fae4944ab4e0ef55 100644
>--- a/LayoutTests/ChangeLog
>+++ b/LayoutTests/ChangeLog
>@@ -1,3 +1,16 @@
>+2018-09-15  Philippe Normand  <pnormand@igalia.com>
>+
>+        [GStreamer] Add support for AV1 decoding
>+        https://bugs.webkit.org/show_bug.cgi?id=189647
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Layout test for AV1 canPlay() compatiblity checking. Right now
>+        GStreamer-based ports are the only ones expecting to support AV1.
>+
>+        * media/media-can-play-av1.html: Added.
>+        * platform/gtk/media/media-can-play-av1-expected.txt: Added.
>+
> 2018-09-15  Rob Buis  <rbuis@igalia.com>
> 
>         XMLHttpRequest::createResponseBlob() should create a Blob with type for empty response
>diff --git a/LayoutTests/media/media-can-play-av1.html b/LayoutTests/media/media-can-play-av1.html
>new file mode 100644
>index 0000000000000000000000000000000000000000..9f07c8450d3feaaae72d4ea10968c870bcf9bcfe
>--- /dev/null
>+++ b/LayoutTests/media/media-can-play-av1.html
>@@ -0,0 +1,24 @@
>+<!DOCTYPE html>
>+<html>
>+    <head>
>+        <script src="video-test.js"></script>
>+        <script>
>+         function start() {
>+             video = mediaElement = document.getElementsByTagName('video')[0];
>+
>+             testExpected("video.canPlayType('video/mp4; codecs=av1')", "");
>+             testExpected("video.canPlayType('video/webm; codecs=av1')", "");
>+
>+             testExpected("video.canPlayType('video/mp4; codecs=av01.0.04M.08')", "probably");
>+             testExpected("video.canPlayType('video/webm; codecs=av01.0.04M.08')", "probably");
>+
>+             endTest();
>+         }
>+        </script>
>+    </head>
>+    <body onload="start()">
>+        <video controls></video>
>+        <p>Test HTMLMediaElement <em>canPlayType()</em> method for the AV1 codec.</p>
>+        <p>These tests may be expected to fail if the WebKit port does not support the format.</p>
>+    </body>
>+</html>
>diff --git a/LayoutTests/platform/gtk/media/media-can-play-av1-expected.txt b/LayoutTests/platform/gtk/media/media-can-play-av1-expected.txt
>new file mode 100644
>index 0000000000000000000000000000000000000000..e182f3d22cdad3397a87ce92020039941fc903aa
>--- /dev/null
>+++ b/LayoutTests/platform/gtk/media/media-can-play-av1-expected.txt
>@@ -0,0 +1,11 @@
>+
>+Test HTMLMediaElement canPlayType() method for the AV1 codec.
>+
>+These tests may be expected to fail if the WebKit port does not support the format.
>+
>+EXPECTED (video.canPlayType('video/mp4; codecs=av1') == '') OK
>+EXPECTED (video.canPlayType('video/webm; codecs=av1') == '') OK
>+EXPECTED (video.canPlayType('video/mp4; codecs=av01.0.04M.08') == 'probably') OK
>+EXPECTED (video.canPlayType('video/webm; codecs=av01.0.04M.08') == 'probably') OK
>+END OF TEST
>+
>diff --git a/LayoutTests/platform/mac/media/media-can-play-av1-expected.txt b/LayoutTests/platform/mac/media/media-can-play-av1-expected.txt
>new file mode 100644
>index 0000000000000000000000000000000000000000..658c67ab85a6e1a8c1fce1148383f48d0a568d25
>--- /dev/null
>+++ b/LayoutTests/platform/mac/media/media-can-play-av1-expected.txt
>@@ -0,0 +1,11 @@
>+
>+Test HTMLMediaElement canPlayType() method for the AV1 codec.
>+
>+These tests may be expected to fail if the WebKit port does not support the format.
>+
>+EXPECTED (video.canPlayType('video/mp4; codecs=av1') == '') OK
>+EXPECTED (video.canPlayType('video/webm; codecs=av1') == '') OK
>+EXPECTED (video.canPlayType('video/mp4; codecs=av01.0.04M.08') == 'probably'), OBSERVED '' FAIL
>+EXPECTED (video.canPlayType('video/webm; codecs=av01.0.04M.08') == 'probably') OBSERVED '' FAIL
>+END OF TEST
>+

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Attachments on bug 189647: 349855 | 349856 | 349866 | 349867 | 349868 | 349869 | 349870 | 349871 | 349882 | 349883 | 350017 | 350018 | 350024 | 350027