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Changed Text Segmenter to output segment info last 

To better align with the Chunking Handler, the Text Segmenter
now outputs the SegmentInfo at the end of the segment rather
than the start.

Change-Id: If69ab951947d00779b4b63a52c4b6662bbdc4c0d
This commit is contained in:
Aaron Vaage 2018-01-02 13:58:47 -08:00
parent 66f713fd23
commit b0edec8c40
2 changed files with 36 additions and 33 deletions
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16
packager/media/formats/webvtt/webvtt_segmenter.cc
View File

@ -85,18 +85,22 @@ Status WebVttSegmenter::OnSegmentEnd() {
const uint64_t segment = samples_.top().segment;
std::shared_ptr<SegmentInfo> info = std::make_shared<SegmentInfo>();
info->start_timestamp = segment * segment_duration_ms_;
info->duration = segment_duration_ms_;
Status status = DispatchSegmentInfo(kStreamIndex, std::move(info));
Status status;
while (status.ok() && samples_.size() && samples_.top().segment == segment) {
status.Update(
DispatchTextSample(kStreamIndex, std::move(samples_.top().sample)));
samples_.pop();
}
// Only send the segment info if all the samples were accepted.
if (status.ok()) {
std::shared_ptr<SegmentInfo> info = std::make_shared<SegmentInfo>();
info->start_timestamp = segment * segment_duration_ms_;
info->duration = segment_duration_ms_;
status.Update(DispatchSegmentInfo(kStreamIndex, std::move(info)));
}
return status;
}
} // namespace media

53
packager/media/formats/webvtt/webvtt_segmenter_unittest.cc
View File

@ -58,15 +58,14 @@ TEST_F(WebVttSegmenterTest, CueEndingOnSegmentStart) {
EXPECT_CALL(*Output(kOutputIndex), OnProcess(IsStreamInfo(kStreamIndex)));
// Segment One
EXPECT_CALL(
*Output(kOutputIndex),
OnProcess(IsSegmentInfo(kStreamIndex, kStartTimeSigned,
kSegmentDuration, !kSubSegment, !kEncrypted)));
EXPECT_CALL(
*Output(kOutputIndex),
OnProcess(IsTextSample(kId[0], kStartTime, kStartTime + kSampleDuration,
kNoSettings, kPayload[0])));
EXPECT_CALL(
*Output(kOutputIndex),
OnProcess(IsSegmentInfo(kStreamIndex, kStartTimeSigned,
kSegmentDuration, !kSubSegment, !kEncrypted)));
EXPECT_CALL(*Output(kOutputIndex), OnFlush(kStreamIndex));
}
@ -98,25 +97,25 @@ TEST_F(WebVttSegmenterTest, CreatesSegmentsForCues) {
EXPECT_CALL(*Output(kOutputIndex), OnProcess(IsStreamInfo(kStreamIndex)));
// Segment One
EXPECT_CALL(
*Output(kOutputIndex),
OnProcess(IsSegmentInfo(kStreamIndex, kStartTimeSigned,
kSegmentDuration, !kSubSegment, !kEncrypted)));
EXPECT_CALL(
*Output(kOutputIndex),
OnProcess(IsTextSample(kId[0], kStartTime, kStartTime + kSampleDuration,
kNoSettings, kPayload[0])));
EXPECT_CALL(
*Output(kOutputIndex),
OnProcess(IsSegmentInfo(kStreamIndex, kStartTimeSigned,
kSegmentDuration, !kSubSegment, !kEncrypted)));
// Segment Two
EXPECT_CALL(*Output(kOutputIndex),
OnProcess(IsSegmentInfo(
kStreamIndex, kStartTimeSigned + kSegmentDuration,
kSegmentDuration, !kSubSegment, !kEncrypted)));
EXPECT_CALL(
*Output(kOutputIndex),
OnProcess(IsTextSample(kId[1], kStartTime + kSegmentDuration,
kStartTime + kSegmentDuration + kSampleDuration,
kNoSettings, kPayload[1])));
EXPECT_CALL(*Output(kOutputIndex),
OnProcess(IsSegmentInfo(
kStreamIndex, kStartTimeSigned + kSegmentDuration,
kSegmentDuration, !kSubSegment, !kEncrypted)));
EXPECT_CALL(*Output(kOutputIndex), OnFlush(kStreamIndex));
}
@ -152,27 +151,27 @@ TEST_F(WebVttSegmenterTest, SkipsEmptySegments) {
EXPECT_CALL(*Output(kOutputIndex), OnProcess(IsStreamInfo(kStreamIndex)));
// Segment One
EXPECT_CALL(
*Output(kOutputIndex),
OnProcess(IsSegmentInfo(kStreamIndex, kStartTimeSigned,
kSegmentDuration, !kSubSegment, !kEncrypted)));
EXPECT_CALL(
*Output(kOutputIndex),
OnProcess(IsTextSample(kId[0], kStartTime, kStartTime + kSampleDuration,
kNoSettings, kPayload[0])));
EXPECT_CALL(
*Output(kOutputIndex),
OnProcess(IsSegmentInfo(kStreamIndex, kStartTimeSigned,
kSegmentDuration, !kSubSegment, !kEncrypted)));
// There is no segment two
// Segment Three
EXPECT_CALL(*Output(kOutputIndex),
OnProcess(IsSegmentInfo(
kStreamIndex, kStartTimeSigned + 2 * kSegmentDuration,
kSegmentDuration, !kSubSegment, !kEncrypted)));
EXPECT_CALL(*Output(kOutputIndex),
OnProcess(IsTextSample(
kId[1], kStartTime + 2 * kSegmentDuration,
kStartTime + 2 * kSegmentDuration + kSampleDuration,
kNoSettings, kPayload[1])));
EXPECT_CALL(*Output(kOutputIndex),
OnProcess(IsSegmentInfo(
kStreamIndex, kStartTimeSigned + 2 * kSegmentDuration,
kSegmentDuration, !kSubSegment, !kEncrypted)));
EXPECT_CALL(*Output(kOutputIndex), OnFlush(kStreamIndex));
}
@ -209,24 +208,24 @@ TEST_F(WebVttSegmenterTest, CueCrossesSegments) {
EXPECT_CALL(*Output(kOutputIndex), OnProcess(IsStreamInfo(kStreamIndex)));
// Segment One
EXPECT_CALL(
*Output(kOutputIndex),
OnProcess(IsTextSample(kId[0], kStartTime, kStartTime + kSampleDuration,
kNoSettings, kPayload[0])));
EXPECT_CALL(
*Output(kOutputIndex),
OnProcess(IsSegmentInfo(kStreamIndex, kStartTimeSigned,
kSegmentDuration, !kSubSegment, !kEncrypted)));
// Segment Two
EXPECT_CALL(
*Output(kOutputIndex),
OnProcess(IsTextSample(kId[0], kStartTime, kStartTime + kSampleDuration,
kNoSettings, kPayload[0])));
// Segment Two
EXPECT_CALL(*Output(kOutputIndex),
OnProcess(IsSegmentInfo(
kStreamIndex, kStartTimeSigned + kSegmentDuration,
kSegmentDuration, !kSubSegment, !kEncrypted)));
EXPECT_CALL(
*Output(kOutputIndex),
OnProcess(IsTextSample(kId[0], kStartTime, kStartTime + kSampleDuration,
kNoSettings, kPayload[0])));
EXPECT_CALL(*Output(kOutputIndex), OnFlush(kStreamIndex));
}