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/*
* Copyright 2024 RDK Management
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "GStreamerQuirkRialto.h"
#if USE(GSTREAMER)
#include "GStreamerCommon.h"
#include "WebKitAudioSinkGStreamer.h"
#include <wtf/OptionSet.h>
namespace WebCore {
GST_DEBUG_CATEGORY_STATIC(webkit_rialto_quirks_debug);
#define GST_CAT_DEFAULT webkit_rialto_quirks_debug
GStreamerQuirkRialto::GStreamerQuirkRialto()
{
GST_DEBUG_CATEGORY_INIT(webkit_rialto_quirks_debug, "webkitquirksrialto", 0, "WebKit Rialto Quirks");
std::array<const char *, 2> rialtoSinks = { "rialtomsevideosink", "rialtomseaudiosink" };
for (const auto* sink : rialtoSinks) {
auto sinkFactory = adoptGRef(gst_element_factory_find(sink));
if (!sinkFactory) [[unlikely]]
continue;
gst_object_unref(gst_plugin_feature_load(GST_PLUGIN_FEATURE(sinkFactory.get())));
for (auto* padTemplateListElement = gst_element_factory_get_static_pad_templates(sinkFactory.get());
padTemplateListElement; padTemplateListElement = g_list_next(padTemplateListElement)) {
auto* padTemplate = static_cast<GstStaticPadTemplate*>(padTemplateListElement->data);
if (padTemplate->direction != GST_PAD_SINK)
continue;
GRefPtr<GstCaps> templateCaps = adoptGRef(gst_static_caps_get(&padTemplate->static_caps));
if (!templateCaps)
continue;
if (gst_caps_is_empty(templateCaps.get()) || gst_caps_is_any(templateCaps.get()))
continue;
if (m_sinkCaps)
m_sinkCaps = adoptGRef(gst_caps_merge(m_sinkCaps.leakRef(), templateCaps.leakRef()));
else
m_sinkCaps = WTFMove(templateCaps);
}
}
}
bool GStreamerQuirkRialto::isPlatformSupported() const
{
auto sinkFactory = adoptGRef(gst_element_factory_find("rialtomsevideosink"));
if (!sinkFactory)
return false;
return gst_plugin_feature_get_rank(GST_PLUGIN_FEATURE(sinkFactory.get())) > GST_RANK_MARGINAL;
}
void GStreamerQuirkRialto::configureElement(GstElement* element, const OptionSet<ElementRuntimeCharacteristics>&)
{
if (!g_strcmp0(G_OBJECT_TYPE_NAME(G_OBJECT(element)), "GstURIDecodeBin3")) {
GRefPtr<GstCaps> defaultCaps;
g_object_get(element, "caps", &defaultCaps.outPtr(), nullptr);
defaultCaps = adoptGRef(gst_caps_merge(gst_caps_ref(m_sinkCaps.get()), defaultCaps.leakRef()));
GST_INFO("Setting stop caps to %" GST_PTR_FORMAT, defaultCaps.get());
g_object_set(element, "caps", defaultCaps.get(), nullptr);
}
}
GstElement* GStreamerQuirkRialto::createAudioSink()
{
auto sink = makeGStreamerElement("rialtomseaudiosink"_s);
RELEASE_ASSERT_WITH_MESSAGE(sink, "rialtomseaudiosink should be available in the system but it is not");
return sink;
}
GstElement* /* transfer floating */ GStreamerQuirkRialto::createWebAudioSink()
{
if (GstElement* sink = webkitAudioSinkNew("webaudio"_s))
return sink;
auto sink = makeGStreamerElement("rialtowebaudiosink"_s);
RELEASE_ASSERT_WITH_MESSAGE(sink, "rialtowebaudiosink should be available in the system but it is not");
// Force audio conversion to 'interleaved' format. The rialtowebaudiosink doesn't support
// non-interleaved audio without special caps, which seems like a bug in that sink's caps
// template and/or caps negotiation implementation.
auto bin = gst_bin_new(nullptr);
auto capsFilter = gst_element_factory_make("capsfilter", nullptr);
auto caps = adoptGRef(gst_caps_new_simple("audio/x-raw", "layout", G_TYPE_STRING, "interleaved", nullptr));
g_object_set(capsFilter, "caps", caps.get(), nullptr);
gst_bin_add_many(GST_BIN_CAST(bin), capsFilter, sink, nullptr);
gst_element_link(capsFilter, sink);
auto pad = adoptGRef(gst_element_get_static_pad(capsFilter, "sink"));
gst_element_add_pad(bin, gst_ghost_pad_new("sink", pad.get()));
return bin;
}
std::optional<bool> GStreamerQuirkRialto::isHardwareAccelerated(GstElementFactory* factory)
{
auto view = StringView::fromLatin1(GST_OBJECT_NAME(factory));
if (view.startsWith("rialto"_s))
return true;
return std::nullopt;
}
#undef GST_CAT_DEFAULT
} // namespace WebCore
#endif // USE(GSTREAMER)
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