max{Width,Height,FrameRate} for AdaptationSet
- DASH IOP requires AdaptationSets with video Representations to have: @maxWidth (or @width if all the Representations have the same width). @maxHeight (or @height if all the Representations have the same width). @maxFrameRate (or @frameRate if all the Representations have the same frame rate). Change-Id: I1247b7461237255aeb70b7fb40f78d4439f9c529
This commit is contained in:
Rintaro Kuroiwa
parent
d685edef62
commit
a02e3b60df
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@ -526,6 +526,23 @@ Representation* AdaptationSet::AddRepresentation(const MediaInfo& media_info) {
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if (!representation->Init())
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return NULL;
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// For videos, record the width, height, and the frame rate to calculate the
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// max {width,height,framerate} required for DASH IOP.
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if(media_info.video_info_size() > 0) {
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const MediaInfo::VideoInfo& video_info = media_info.video_info(0);
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DCHECK(video_info.has_width());
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DCHECK(video_info.has_height());
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video_widths_.insert(video_info.width());
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video_heights_.insert(video_info.height());
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if (video_info.has_time_scale() && video_info.has_frame_duration()) {
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video_frame_rates_[static_cast<double>(video_info.time_scale()) /
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video_info.frame_duration()] =
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base::IntToString(video_info.time_scale()) + "/" +
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base::IntToString(video_info.frame_duration());
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}
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}
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representations_.push_back(representation.get());
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return representation.release();
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}
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@ -553,7 +570,7 @@ xml::ScopedXmlPtr<xmlNode>::type AdaptationSet::GetXml() {
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for (; representation_it != representations_.end(); ++representation_it) {
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xml::ScopedXmlPtr<xmlNode>::type child((*representation_it)->GetXml());
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if (!child.get() || !adaptation_set.AddChild(child.Pass()))
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if (!child || !adaptation_set.AddChild(child.Pass()))
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return xml::ScopedXmlPtr<xmlNode>::type();
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}
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@ -561,6 +578,26 @@ xml::ScopedXmlPtr<xmlNode>::type AdaptationSet::GetXml() {
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if (!lang_.empty() && lang_ != "und") {
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adaptation_set.SetStringAttribute("lang", LanguageToShortestForm(lang_));
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}
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// Note that std::{set,map} are ordered, so the last element is the max value.
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if (video_widths_.size() == 1) {
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adaptation_set.SetIntegerAttribute("width", *video_widths_.begin());
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} else if (video_widths_.size() > 1) {
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adaptation_set.SetIntegerAttribute("maxWidth", *video_widths_.rbegin());
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}
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if (video_heights_.size() == 1) {
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adaptation_set.SetIntegerAttribute("height", *video_heights_.begin());
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} else if (video_heights_.size() > 1) {
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adaptation_set.SetIntegerAttribute("maxHeight", *video_heights_.rbegin());
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}
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if (video_frame_rates_.size() == 1) {
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adaptation_set.SetStringAttribute("frameRate",
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video_frame_rates_.begin()->second);
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} else if (video_frame_rates_.size() > 1) {
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adaptation_set.SetStringAttribute("maxFrameRate",
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video_frame_rates_.rbegin()->second);
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}
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return adaptation_set.PassScopedPtr();
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}
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@ -17,6 +17,8 @@
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#include <stdint.h>
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#include <list>
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#include <map>
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#include <set>
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#include <string>
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#include "packager/base/atomic_sequence_num.h"
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@ -204,6 +206,20 @@ class AdaptationSet {
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const std::string lang_;
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const MpdOptions& mpd_options_;
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// Video widths and heights of Representations. Note that this is a set; if
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// there is only 1 resolution, then @width & @height should be set, otherwise
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// @maxWidth & @maxHeight should be set for DASH IOP.
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std::set<uint32_t> video_widths_;
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std::set<uint32_t> video_heights_;
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// Video representations' frame rates.
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// The frame rate notation for MPD is <integer>/<integer> (where the
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// denominator is optional). This means the frame rate could be non-whole
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// rational value, therefore the key is of type double.
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// Value is <integer>/<integer> in string form.
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// So, key == CalculatedValue(value)
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std::map<double, std::string> video_frame_rates_;
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DISALLOW_COPY_AND_ASSIGN(AdaptationSet);
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};
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@ -60,7 +60,7 @@ void CheckIdEqual(uint32_t expected_id, T* node) {
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ASSERT_NO_FATAL_FAILURE(ExpectXmlElementIdEqual(node_xml.get(), expected_id));
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}
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void ExpectAttributeHasString(base::StringPiece attribute,
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void ExpectAttributeEqString(base::StringPiece attribute,
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base::StringPiece expected_value,
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xmlNodePtr node) {
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xml::ScopedXmlPtr<xmlChar>::type attribute_xml_str(
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@ -69,6 +69,13 @@ void ExpectAttributeHasString(base::StringPiece attribute,
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EXPECT_STREQ(expected_value.data(),
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reinterpret_cast<const char*>(attribute_xml_str.get()));
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}
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// |attribute| should not be set in |node|.
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void ExpectAttributeNotSet(base::StringPiece attribute, xmlNodePtr node) {
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xml::ScopedXmlPtr<xmlChar>::type attribute_xml_str(
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xmlGetProp(node, BAD_CAST attribute.data()));
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ASSERT_FALSE(attribute_xml_str);
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}
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} // namespace
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template <MpdBuilder::MpdType type>
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@ -200,7 +207,8 @@ class SegmentTemplateTest : public DynamicMpdBuilderTest {
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"availabilityStartTime=\"2011-12-25T12:30:00\" minBufferTime=\"PT2S\" "
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"type=\"dynamic\" profiles=\"urn:mpeg:dash:profile:isoff-live:2011\">\n"
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" <Period start=\"PT0S\">\n"
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" <AdaptationSet id=\"0\">\n"
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" <AdaptationSet id=\"0\" width=\"720\" height=\"480\""
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" frameRate=\"10/5\">\n"
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" <Representation id=\"0\" bandwidth=\"%" PRIu64 "\" "
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"codecs=\"avc1.010101\" mimeType=\"video/mp4\" width=\"720\" "
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"height=\"480\" frameRate=\"10/5\" sar=\"1:1\">\n"
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@ -282,7 +290,8 @@ class TimeShiftBufferDepthTest : public SegmentTemplateTest {
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"type=\"dynamic\" profiles=\"urn:mpeg:dash:profile:isoff-live:2011\" "
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"timeShiftBufferDepth=\"PT%dS\">\n"
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" <Period start=\"PT0S\">\n"
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" <AdaptationSet id=\"0\">\n"
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" <AdaptationSet id=\"0\" width=\"720\" height=\"480\""
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" frameRate=\"10/2\">\n"
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" <Representation id=\"0\" bandwidth=\"%" PRIu64 "\" "
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"codecs=\"avc1.010101\" mimeType=\"video/mp4\" width=\"720\" "
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"height=\"480\" frameRate=\"10/2\" sar=\"1:1\">\n"
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@ -366,29 +375,221 @@ TEST_F(CommonMpdBuilderTest, CheckVideoInfoReflectedInXml) {
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Representation representation(
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ConvertToMediaInfo(kTestMediaInfo), MpdOptions(), kAnyRepresentationId);
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EXPECT_TRUE(representation.Init());
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xml::ScopedXmlPtr<xmlNode>::type node_xml(representation.GetXml());
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EXPECT_NO_FATAL_FAILURE(
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ExpectAttributeHasString("codecs", "avc1", node_xml.get()));
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ExpectAttributeEqString("codecs", "avc1", node_xml.get()));
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EXPECT_NO_FATAL_FAILURE(
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ExpectAttributeHasString("width", "1280", node_xml.get()));
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ExpectAttributeEqString("width", "1280", node_xml.get()));
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EXPECT_NO_FATAL_FAILURE(
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ExpectAttributeHasString("height", "720", node_xml.get()));
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ExpectAttributeEqString("height", "720", node_xml.get()));
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EXPECT_NO_FATAL_FAILURE(
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ExpectAttributeHasString("sar", "1:1", node_xml.get()));
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ExpectAttributeEqString("sar", "1:1", node_xml.get()));
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EXPECT_NO_FATAL_FAILURE(
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ExpectAttributeHasString("frameRate", "10/10", node_xml.get()));
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ExpectAttributeEqString("frameRate", "10/10", node_xml.get()));
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}
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TEST_F(CommonMpdBuilderTest, CheckAdaptationSetId) {
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base::AtomicSequenceNumber sequence_counter;
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const uint32_t kAdaptationSetId = 42;
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AdaptationSet adaptation_set(
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kAdaptationSetId, "", MpdOptions(), &sequence_counter);
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ASSERT_NO_FATAL_FAILURE(CheckIdEqual(kAdaptationSetId, &adaptation_set));
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}
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// Verify that if all video Representations in an AdaptationSet have the same
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// frame rate, AdaptationSet also has a frameRate attribute.
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TEST_F(CommonMpdBuilderTest, AdapatationSetFrameRate) {
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const char kVideoMediaInfo1[] =
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"video_info {\n"
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" codec: \"avc1\"\n"
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" width: 720\n"
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" height: 480\n"
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" time_scale: 10\n"
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" frame_duration: 3\n"
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"}\n"
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"container_type: 1\n";
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const char kVideoMediaInfo2[] =
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"video_info {\n"
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" codec: \"avc1\"\n"
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" width: 720\n"
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" height: 480\n"
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" time_scale: 10\n"
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" frame_duration: 3\n"
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"}\n"
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"container_type: 1\n";
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AdaptationSet* video_adaptation_set = mpd_.AddAdaptationSet("");
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ASSERT_TRUE(video_adaptation_set);
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ASSERT_TRUE(video_adaptation_set->AddRepresentation(
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ConvertToMediaInfo(kVideoMediaInfo1)));
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ASSERT_TRUE(video_adaptation_set->AddRepresentation(
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ConvertToMediaInfo(kVideoMediaInfo2)));
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xml::ScopedXmlPtr<xmlNode>::type adaptation_set_xml(
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video_adaptation_set->GetXml());
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EXPECT_NO_FATAL_FAILURE(
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ExpectAttributeEqString("frameRate", "10/3", adaptation_set_xml.get()));
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EXPECT_NO_FATAL_FAILURE(
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ExpectAttributeNotSet("maxFrameRate", adaptation_set_xml.get()));
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}
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// Verify that if there are videos with different frame rates, the maxFrameRate
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// is set.
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TEST_F(CommonMpdBuilderTest, AdapatationSetMaxFrameRate) {
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// 30fps video.
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const char kVideoMediaInfo30fps[] =
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"video_info {\n"
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" codec: \"avc1\"\n"
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" width: 720\n"
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" height: 480\n"
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" time_scale: 3000\n"
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" frame_duration: 100\n"
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"}\n"
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"container_type: 1\n";
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const char kVideoMediaInfo15fps[] =
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"video_info {\n"
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" codec: \"avc1\"\n"
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" width: 720\n"
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" height: 480\n"
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" time_scale: 3000\n"
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" frame_duration: 200\n"
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"}\n"
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"container_type: 1\n";
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AdaptationSet* video_adaptation_set = mpd_.AddAdaptationSet("");
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ASSERT_TRUE(video_adaptation_set);
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ASSERT_TRUE(video_adaptation_set->AddRepresentation(
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ConvertToMediaInfo(kVideoMediaInfo30fps)));
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ASSERT_TRUE(video_adaptation_set->AddRepresentation(
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ConvertToMediaInfo(kVideoMediaInfo15fps)));
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xml::ScopedXmlPtr<xmlNode>::type adaptation_set_xml(
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video_adaptation_set->GetXml());
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EXPECT_NO_FATAL_FAILURE(ExpectAttributeEqString("maxFrameRate", "3000/100",
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adaptation_set_xml.get()));
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EXPECT_NO_FATAL_FAILURE(
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ExpectAttributeNotSet("frameRate", adaptation_set_xml.get()));
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}
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// Catch the case where it ends up wrong if integer division is used to check
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// the frame rate.
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// IOW, A/B != C/D but when using integer division A/B == C/D.
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// SO, maxFrameRate should be set instead of frameRate.
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TEST_F(CommonMpdBuilderTest,
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AdapatationSetMaxFrameRateIntegerDivisionEdgeCase) {
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// 11/3 != 10/3 but IntegerDiv(11,3) == IntegerDiv(10,3).
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const char kVideoMediaInfo1[] =
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"video_info {\n"
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" codec: \"avc1\"\n"
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" width: 720\n"
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" height: 480\n"
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" time_scale: 11\n"
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" frame_duration: 3\n"
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"}\n"
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"container_type: 1\n";
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const char kVideoMediaInfo2[] =
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"video_info {\n"
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" codec: \"avc1\"\n"
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" width: 720\n"
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" height: 480\n"
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" time_scale: 10\n"
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" frame_duration: 3\n"
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"}\n"
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"container_type: 1\n";
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AdaptationSet* video_adaptation_set = mpd_.AddAdaptationSet("");
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ASSERT_TRUE(video_adaptation_set);
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ASSERT_TRUE(video_adaptation_set->AddRepresentation(
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ConvertToMediaInfo(kVideoMediaInfo1)));
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ASSERT_TRUE(video_adaptation_set->AddRepresentation(
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ConvertToMediaInfo(kVideoMediaInfo2)));
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xml::ScopedXmlPtr<xmlNode>::type adaptation_set_xml(
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video_adaptation_set->GetXml());
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EXPECT_NO_FATAL_FAILURE(ExpectAttributeEqString("maxFrameRate", "11/3",
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adaptation_set_xml.get()));
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EXPECT_NO_FATAL_FAILURE(
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ExpectAttributeNotSet("frameRate", adaptation_set_xml.get()));
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}
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// Verify that the width and height attribute are set if all the video
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// representations have the same width and height.
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TEST_F(StaticMpdBuilderTest, AdapatationSetWidthAndHeight) {
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// Both 720p.
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const char kVideoMediaInfo1[] =
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"video_info {\n"
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" codec: \"avc1\"\n"
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" width: 1280\n"
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" height: 720\n"
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" time_scale: 3000\n"
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" frame_duration: 100\n"
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"}\n"
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"container_type: 1\n";
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const char kVideoMediaInfo2[] =
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"video_info {\n"
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" codec: \"avc1\"\n"
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" width: 1280\n"
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" height: 720\n"
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" time_scale: 3000\n"
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" frame_duration: 200\n"
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"}\n"
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"container_type: 1\n";
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AdaptationSet* video_adaptation_set = mpd_.AddAdaptationSet("");
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ASSERT_TRUE(video_adaptation_set);
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ASSERT_TRUE(video_adaptation_set->AddRepresentation(
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ConvertToMediaInfo(kVideoMediaInfo1)));
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ASSERT_TRUE(video_adaptation_set->AddRepresentation(
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ConvertToMediaInfo(kVideoMediaInfo2)));
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xml::ScopedXmlPtr<xmlNode>::type adaptation_set_xml(
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video_adaptation_set->GetXml());
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ASSERT_NO_FATAL_FAILURE(
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ExpectAttributeEqString("width", "1280", adaptation_set_xml.get()));
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ASSERT_NO_FATAL_FAILURE(
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ExpectAttributeEqString("height", "720", adaptation_set_xml.get()));
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EXPECT_NO_FATAL_FAILURE(
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ExpectAttributeNotSet("maxWidth", adaptation_set_xml.get()));
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EXPECT_NO_FATAL_FAILURE(
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ExpectAttributeNotSet("maxHeight", adaptation_set_xml.get()));
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}
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// Verify that the maxWidth and maxHeight attribute are set if there are
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// multiple video resolutions.
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TEST_F(StaticMpdBuilderTest, AdapatationSetMaxWidthAndMaxHeight) {
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const char kVideoMediaInfo1080p[] =
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"video_info {\n"
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" codec: \"avc1\"\n"
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" width: 1920\n"
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" height: 1080\n"
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" time_scale: 3000\n"
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" frame_duration: 100\n"
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"}\n"
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"container_type: 1\n";
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const char kVideoMediaInfo720p[] =
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"video_info {\n"
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" codec: \"avc1\"\n"
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" width: 1280\n"
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" height: 720\n"
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" time_scale: 3000\n"
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" frame_duration: 100\n"
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"}\n"
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"container_type: 1\n";
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AdaptationSet* video_adaptation_set = mpd_.AddAdaptationSet("");
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ASSERT_TRUE(video_adaptation_set);
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ASSERT_TRUE(video_adaptation_set->AddRepresentation(
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ConvertToMediaInfo(kVideoMediaInfo1080p)));
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ASSERT_TRUE(video_adaptation_set->AddRepresentation(
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ConvertToMediaInfo(kVideoMediaInfo720p)));
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xml::ScopedXmlPtr<xmlNode>::type adaptation_set_xml(
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video_adaptation_set->GetXml());
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EXPECT_NO_FATAL_FAILURE(
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ExpectAttributeEqString("maxWidth", "1920", adaptation_set_xml.get()));
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EXPECT_NO_FATAL_FAILURE(
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ExpectAttributeEqString("maxHeight", "1080", adaptation_set_xml.get()));
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EXPECT_NO_FATAL_FAILURE(
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ExpectAttributeNotSet("width", adaptation_set_xml.get()));
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EXPECT_NO_FATAL_FAILURE(
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ExpectAttributeNotSet("height", adaptation_set_xml.get()));
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}
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TEST_F(CommonMpdBuilderTest, CheckRepresentationId) {
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const MediaInfo video_media_info = GetTestMediaInfo(kFileNameVideoMediaInfo1);
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const uint32_t kRepresentationId = 1;
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@ -47,7 +47,7 @@ class XmlNode {
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void SetStringAttribute(const char* attribute_name,
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const std::string& attribute);
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/// Sets an interger attribute.
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/// Sets an integer attribute.
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/// @param attribute_name The name (lhs) of the attribute.
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/// @param number The value (rhs) of the attribute.
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void SetIntegerAttribute(const char* attribute_name, uint64_t number);
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@ -1,7 +1,7 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<MPD xmlns="urn:mpeg:DASH:schema:MPD:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="urn:mpeg:DASH:schema:MPD:2011 DASH-MPD.xsd" minBufferTime="PT2S" type="static" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" mediaPresentationDuration="PT10.5S">
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<Period>
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<AdaptationSet id="0">
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<AdaptationSet id="0" width="720" height="480" frameRate="10/1">
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<Representation id="1" bandwidth="7620" codecs="avc1.010101" mimeType="video/mp4" width="720" height="480" frameRate="10/1" sar="1:1">
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<BaseURL>test_output_file_name1.mp4</BaseURL>
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<SegmentBase indexRange="121-221" timescale="1000">
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@ -1,7 +1,7 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<MPD xmlns="urn:mpeg:DASH:schema:MPD:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="urn:mpeg:DASH:schema:MPD:2011 DASH-MPD.xsd" availabilityStartTime="2011-12-25T12:30:00" minBufferTime="PT2S" type="dynamic" profiles="urn:mpeg:dash:profile:isoff-live:2011">
|
||||
<Period start="PT0S">
|
||||
<AdaptationSet id="0">
|
||||
<AdaptationSet id="0" width="720" height="480" frameRate="10/5">
|
||||
<Representation id="0" bandwidth="102400" codecs="avc1.010101" mimeType="video/mp4" width="720" height="480" frameRate="10/5" sar="1:1">
|
||||
<SegmentTemplate timescale="1000" initialization="init.mp4" media="$Time$.mp4">
|
||||
<SegmentTimeline>
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<MPD xmlns="urn:mpeg:DASH:schema:MPD:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="urn:mpeg:DASH:schema:MPD:2011 DASH-MPD.xsd" minBufferTime="PT2S" type="static" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" mediaPresentationDuration="PT10.5S">
|
||||
<Period>
|
||||
<AdaptationSet id="0">
|
||||
<AdaptationSet id="0" width="720" height="480" frameRate="10/1">
|
||||
<Representation id="3" bandwidth="7620" codecs="avc1.010101" mimeType="video/mp4" width="720" height="480" frameRate="10/1" sar="1:1">
|
||||
<BaseURL>test_output_file_name1.mp4</BaseURL>
|
||||
<SegmentBase indexRange="121-221" timescale="1000">
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<MPD xmlns="urn:mpeg:DASH:schema:MPD:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="urn:mpeg:DASH:schema:MPD:2011 DASH-MPD.xsd" minBufferTime="PT2S" type="static" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" mediaPresentationDuration="PT10.5S">
|
||||
<Period>
|
||||
<AdaptationSet id="0">
|
||||
<AdaptationSet id="0" width="720" height="480" frameRate="10/1">
|
||||
<Representation id="0" bandwidth="7620" codecs="avc1.010101" mimeType="video/mp4" width="720" height="480" frameRate="10/1" sar="1:1">
|
||||
<BaseURL>test_output_file_name1.mp4</BaseURL>
|
||||
<SegmentBase indexRange="121-221" timescale="1000">
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<MPD xmlns="urn:mpeg:DASH:schema:MPD:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="urn:mpeg:DASH:schema:MPD:2011 DASH-MPD.xsd" minBufferTime="PT2S" type="static" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" mediaPresentationDuration="PT10.5S">
|
||||
<Period>
|
||||
<AdaptationSet id="0">
|
||||
<AdaptationSet id="0" maxWidth="720" maxHeight="480" maxFrameRate="10/1">
|
||||
<Representation id="0" bandwidth="7620" codecs="avc1.010101" mimeType="video/mp4" width="720" height="480" frameRate="10/1" sar="1:1">
|
||||
<BaseURL>test_output_file_name1.mp4</BaseURL>
|
||||
<SegmentBase indexRange="121-221" timescale="1000">
|
||||
|
|
|
|||
Loading…
Reference in New Issue