2017-03-27 19:39:08 +00:00
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< li class = "navelem" > < a class = "el" href = "../../dir_39dc0668bd5a501998f94e8b4e546c71.html" > media< / a > < / li > < li class = "navelem" > < a class = "el" href = "../../dir_ebd49ab0652c2e9158bbb57c55382729.html" > trick_play< / a > < / li > < / ul >
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< div class = "title" > trick_play_handler.cc< / div > < / div >
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< div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > // Copyright 2017 Google Inc. All rights reserved.< / span > < / div >
< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > //< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > // Use of this source code is governed by a BSD-style< / span > < / div >
< div class = "line" > < a name = "l00004" > < / a > < span class = "lineno" > 4< / span >   < span class = "comment" > // license that can be found in the LICENSE file or at< / span > < / div >
< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > // https://developers.google.com/open-source/licenses/bsd< / span > < / div >
< div class = "line" > < a name = "l00006" > < / a > < span class = "lineno" > 6< / span >   < / div >
< div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "preprocessor" > #include " packager/media/trick_play/trick_play_handler.h" < / span > < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "preprocessor" > #include " packager/base/logging.h" < / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "preprocessor" > #include " packager/media/base/video_stream_info.h" < / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "keyword" > namespace < / span > shaka {< / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "keyword" > namespace < / span > media {< / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   TrickPlayHandler::TrickPlayHandler(< span class = "keyword" > const< / span > TrickPlayOptions& trick_play_option)< / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   : trick_play_options_(trick_play_option),< / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   cached_stream_data_(trick_play_option.trick_play_rates.size()) {< / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "keywordflow" > for< / span > (< span class = "keyword" > auto< / span > rate : trick_play_option.trick_play_rates) {< / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   CHECK_GT(rate, 0);< / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   }< / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   }< / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   TrickPlayHandler::~TrickPlayHandler() {}< / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > < a class = "line" href = "../../db/dea/classshaka_1_1media_1_1TrickPlayHandler.html#a3fd2fae199e0a9607e83e02724896c10" > 25< / a > < / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > < a class = "code" href = "../../db/dea/classshaka_1_1media_1_1TrickPlayHandler.html#a3fd2fae199e0a9607e83e02724896c10" > TrickPlayHandler::InitializeInternal< / a > () {< / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   }< / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > < a class = "line" href = "../../db/dea/classshaka_1_1media_1_1TrickPlayHandler.html#afdd13bb4e762c4b904ed75b268359757" > 29< / a > < / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > < a class = "code" href = "../../db/dea/classshaka_1_1media_1_1TrickPlayHandler.html#afdd13bb4e762c4b904ed75b268359757" > TrickPlayHandler::Process< / a > (< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   std::unique_ptr< StreamData> input_stream_data) {< / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   < span class = "comment" > // The non-trick play stream is dispatched at index 0.< / span > < / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   < span class = "comment" > // The trick-play streams are dispatched to index 1, index 2 and so on.< / span > < / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   DCHECK_EQ(input_stream_data-> stream_index, 0u);< / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > 34< / span >   std::unique_ptr< StreamData> output_stream_data(< span class = "keyword" > new< / span > < a class = "code" href = "../../d0/d4c/structshaka_1_1media_1_1StreamData.html" > StreamData< / a > ());< / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   *output_stream_data = *input_stream_data;< / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > status = Dispatch(std::move(output_stream_data));< / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < span class = "keywordflow" > if< / span > (!status.ok()) {< / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "keywordflow" > return< / span > status;< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   }< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   std::shared_ptr< StreamData> stream_data(std::move(input_stream_data));< / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   < span class = "keywordflow" > if< / span > (stream_data-> stream_data_type == StreamDataType::kStreamInfo) {< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < span class = "keywordflow" > if< / span > (stream_data-> stream_info-> stream_type() != kStreamVideo) {< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   status.< a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html#a26903fbb0ee18f6b8d7cd441e922b644" > SetError< / a > (error::TRICK_PLAY_ERROR,< / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   < span class = "stringliteral" > " Trick play does not support non-video stream" < / span > );< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < span class = "keywordflow" > return< / span > status;< / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   }< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < span class = "keyword" > const< / span > < a class = "code" href = "../../d6/db1/classshaka_1_1media_1_1VideoStreamInfo.html" > VideoStreamInfo< / a > & video_stream_info =< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "keyword" > static_cast< < / span > < span class = "keyword" > const < / span > < a class = "code" href = "../../d6/db1/classshaka_1_1media_1_1VideoStreamInfo.html" > VideoStreamInfo< / a > & < span class = "keyword" > > < / span > (*stream_data-> stream_info);< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   < span class = "keywordflow" > if< / span > (video_stream_info.trick_play_rate() > 0) {< / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   status.< a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html#a26903fbb0ee18f6b8d7cd441e922b644" > SetError< / a > (error::TRICK_PLAY_ERROR,< / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > 52< / span >   < span class = "stringliteral" > " This stream is alreay a trick play stream." < / span > );< / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   < span class = "keywordflow" > return< / span > status;< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   }< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   }< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   < / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < span class = "keywordflow" > if< / span > (stream_data-> stream_data_type != StreamDataType::kMediaSample) {< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < span class = "comment" > // Non media sample stream data needs to be dispatched to every output< / span > < / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < span class = "comment" > // stream. It is just cached in every queue until a new key frame comes or< / span > < / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   < span class = "comment" > // the stream is flushed.< / span > < / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > i = 0; i < cached_stream_data_.size(); ++i)< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   cached_stream_data_[i].push_back(stream_data);< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   }< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   < / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < span class = "keywordflow" > if< / span > (stream_data-> media_sample-> is_key_frame()) {< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   < span class = "comment" > // For a new key frame, some of the trick play streams may include it.< / span > < / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < span class = "comment" > // The cached data in those trick play streams will be processed.< / span > < / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   DCHECK_EQ(trick_play_options_.trick_play_rates.size(),< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   cached_stream_data_.size());< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > i = 0; i < cached_stream_data_.size(); ++i) {< / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   int16_t rate = trick_play_options_.trick_play_rates[i];< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   < span class = "keywordflow" > if< / span > (total_key_frames_ % rate == 0) {< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < span class = "keywordflow" > if< / span > (!cached_stream_data_[i].empty()) {< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > status =< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   ProcessCachedStreamData(i + 1, & cached_stream_data_[i]);< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < span class = "keywordflow" > if< / span > (!status.ok())< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   < span class = "keywordflow" > return< / span > status;< / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   }< / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   cached_stream_data_[i].push_back(stream_data);< / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   }< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   }< / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   < / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   total_key_frames_++;< / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   }< / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > 86< / span >   < / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   prev_sample_end_timestamp_ =< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   stream_data-> media_sample-> dts() + stream_data-> media_sample-> duration();< / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   }< / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < / div >
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > < a class = "line" href = "../../db/dea/classshaka_1_1media_1_1TrickPlayHandler.html#addbe1be8281bceb8e84df865424dded3" > 92< / a > < / span >   < span class = "keywordtype" > bool< / span > < a class = "code" href = "../../db/dea/classshaka_1_1media_1_1TrickPlayHandler.html#addbe1be8281bceb8e84df865424dded3" > TrickPlayHandler::ValidateOutputStreamIndex< / a > (< span class = "keywordtype" > size_t< / span > stream_index)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < span class = "comment" > // Output stream index should be less than the number of trick play< / span > < / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < span class = "comment" > // streams + one original stream.< / span > < / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   < span class = "keywordflow" > return< / span > stream_index < = trick_play_options_.trick_play_rates.size();< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   };< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   < / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > < a class = "line" href = "../../db/dea/classshaka_1_1media_1_1TrickPlayHandler.html#a9a6c29c88fdeb667d5592142d6815bfa" > 98< / a > < / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > < a class = "code" href = "../../db/dea/classshaka_1_1media_1_1TrickPlayHandler.html#a9a6c29c88fdeb667d5592142d6815bfa" > TrickPlayHandler::OnFlushRequest< / a > (< span class = "keywordtype" > size_t< / span > input_stream_index) {< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   DCHECK_EQ(input_stream_index, 0u)< / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < < < span class = "stringliteral" > " Trick Play Handler should only have single input." < / span > ;< / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > size_t< / span > i = 0; i < cached_stream_data_.size(); ++i) {< / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   ProcessCachedStreamData(i + 1, & cached_stream_data_[i]);< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   }< / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   < span class = "keywordflow" > return< / span > < a class = "code" href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#ad5001bf12073101a949b062943769f5b" > MediaHandler::FlushDownstream< / a > (input_stream_index);< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   }< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   < / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > TrickPlayHandler::ProcessCachedStreamData(< / div >
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< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < span class = "keywordtype" > size_t< / span > output_stream_index,< / div >
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< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   std::deque< std::shared_ptr< StreamData> > * cached_stream_data) {< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < span class = "keywordflow" > while< / span > (!cached_stream_data-> empty()) {< / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < a class = "code" href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > Status< / a > status =< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   ProcessOneStreamData(output_stream_index, cached_stream_data-> front());< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < span class = "keywordflow" > if< / span > (!status.ok()) {< / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   < span class = "keywordflow" > return< / span > status;< / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   }< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   cached_stream_data-> pop_front();< / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   }< / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   < span class = "keywordflow" > return< / span > Status::OK;< / div >
< div class = "line" > < a name = "l00119" > < / a > < span class = "lineno" > 119< / span >   }< / div >
< div class = "line" > < a name = "l00120" > < / a > < span class = "lineno" > 120< / span >   < / div >
< div class = "line" > < a name = "l00121" > < / a > < span class = "lineno" > 121< / span >   Status TrickPlayHandler::ProcessOneStreamData(< / div >
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< div class = "line" > < a name = "l00122" > < / a > < span class = "lineno" > 122< / span >   < span class = "keywordtype" > size_t< / span > output_stream_index,< / div >
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< div class = "line" > < a name = "l00123" > < / a > < span class = "lineno" > 123< / span >   < span class = "keyword" > const< / span > std::shared_ptr< StreamData> & stream_data) {< / div >
< div class = "line" > < a name = "l00124" > < / a > < span class = "lineno" > 124< / span >   uint32_t trick_play_rate =< / div >
< div class = "line" > < a name = "l00125" > < / a > < span class = "lineno" > 125< / span >   trick_play_options_.trick_play_rates[output_stream_index - 1];< / div >
< div class = "line" > < a name = "l00126" > < / a > < span class = "lineno" > 126< / span >   Status status;< / div >
< div class = "line" > < a name = "l00127" > < / a > < span class = "lineno" > 127< / span >   < span class = "keywordflow" > switch< / span > (stream_data-> stream_data_type) {< / div >
< div class = "line" > < a name = "l00128" > < / a > < span class = "lineno" > 128< / span >   < span class = "comment" > // trick_play_rate in StreamInfo should be modified.< / span > < / div >
< div class = "line" > < a name = "l00129" > < / a > < span class = "lineno" > 129< / span >   < span class = "keywordflow" > case< / span > StreamDataType::kStreamInfo: {< / div >
< div class = "line" > < a name = "l00130" > < / a > < span class = "lineno" > 130< / span >   < span class = "keyword" > const< / span > VideoStreamInfo& video_stream_info =< / div >
< div class = "line" > < a name = "l00131" > < / a > < span class = "lineno" > 131< / span >   < span class = "keyword" > static_cast< < / span > < span class = "keyword" > const < / span > VideoStreamInfo& < span class = "keyword" > > < / span > (*stream_data-> stream_info);< / div >
< div class = "line" > < a name = "l00132" > < / a > < span class = "lineno" > 132< / span >   std::shared_ptr< VideoStreamInfo> trick_play_video_stream_info(< / div >
< div class = "line" > < a name = "l00133" > < / a > < span class = "lineno" > 133< / span >   < span class = "keyword" > new< / span > VideoStreamInfo(video_stream_info));< / div >
< div class = "line" > < a name = "l00134" > < / a > < span class = "lineno" > 134< / span >   trick_play_video_stream_info-> set_trick_play_rate(trick_play_rate);< / div >
< div class = "line" > < a name = "l00135" > < / a > < span class = "lineno" > 135< / span >   status =< / div >
< div class = "line" > < a name = "l00136" > < / a > < span class = "lineno" > 136< / span >   DispatchStreamInfo(output_stream_index, trick_play_video_stream_info);< / div >
< div class = "line" > < a name = "l00137" > < / a > < span class = "lineno" > 137< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00138" > < / a > < span class = "lineno" > 138< / span >   }< / div >
< div class = "line" > < a name = "l00139" > < / a > < span class = "lineno" > 139< / span >   < span class = "keywordflow" > case< / span > StreamDataType::kMediaSample: {< / div >
< div class = "line" > < a name = "l00140" > < / a > < span class = "lineno" > 140< / span >   < span class = "keywordflow" > if< / span > (stream_data-> media_sample-> is_key_frame()) {< / div >
< div class = "line" > < a name = "l00141" > < / a > < span class = "lineno" > 141< / span >   std::shared_ptr< MediaSample> trick_play_media_sample =< / div >
< div class = "line" > < a name = "l00142" > < / a > < span class = "lineno" > 142< / span >   < a class = "code" href = "../../d7/d6d/classshaka_1_1media_1_1MediaSample.html#ad8975dbb21747ff32c8604f5489bf5c9" > MediaSample::CopyFrom< / a > (*(stream_data-> media_sample));< / div >
< div class = "line" > < a name = "l00143" > < / a > < span class = "lineno" > 143< / span >   trick_play_media_sample-> set_duration(prev_sample_end_timestamp_ -< / div >
< div class = "line" > < a name = "l00144" > < / a > < span class = "lineno" > 144< / span >   stream_data-> media_sample-> dts());< / div >
< div class = "line" > < a name = "l00145" > < / a > < span class = "lineno" > 145< / span >   < / div >
< div class = "line" > < a name = "l00146" > < / a > < span class = "lineno" > 146< / span >   status =< / div >
< div class = "line" > < a name = "l00147" > < / a > < span class = "lineno" > 147< / span >   DispatchMediaSample(output_stream_index, trick_play_media_sample);< / div >
< div class = "line" > < a name = "l00148" > < / a > < span class = "lineno" > 148< / span >   }< / div >
< div class = "line" > < a name = "l00149" > < / a > < span class = "lineno" > 149< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00150" > < / a > < span class = "lineno" > 150< / span >   }< / div >
< div class = "line" > < a name = "l00151" > < / a > < span class = "lineno" > 151< / span >   < span class = "keywordflow" > default< / span > :< / div >
< div class = "line" > < a name = "l00152" > < / a > < span class = "lineno" > 152< / span >   std::unique_ptr< StreamData> new_stream_data(< span class = "keyword" > new< / span > StreamData(*stream_data));< / div >
< div class = "line" > < a name = "l00153" > < / a > < span class = "lineno" > 153< / span >   new_stream_data-> stream_index = output_stream_index;< / div >
< div class = "line" > < a name = "l00154" > < / a > < span class = "lineno" > 154< / span >   status = Dispatch(std::move(new_stream_data));< / div >
< div class = "line" > < a name = "l00155" > < / a > < span class = "lineno" > 155< / span >   < span class = "keywordflow" > break< / span > ;< / div >
< div class = "line" > < a name = "l00156" > < / a > < span class = "lineno" > 156< / span >   }< / div >
< div class = "line" > < a name = "l00157" > < / a > < span class = "lineno" > 157< / span >   < span class = "keywordflow" > return< / span > status;< / div >
< div class = "line" > < a name = "l00158" > < / a > < span class = "lineno" > 158< / span >   }< / div >
< div class = "line" > < a name = "l00159" > < / a > < span class = "lineno" > 159< / span >   < / div >
< div class = "line" > < a name = "l00160" > < / a > < span class = "lineno" > 160< / span >   } < span class = "comment" > // namespace media< / span > < / div >
< div class = "line" > < a name = "l00161" > < / a > < span class = "lineno" > 161< / span >   } < span class = "comment" > // namespace shaka< / span > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1Status_html_a26903fbb0ee18f6b8d7cd441e922b644" > < div class = "ttname" > < a href = "../../d0/d93/classshaka_1_1media_1_1Status.html#a26903fbb0ee18f6b8d7cd441e922b644" > shaka::media::Status::SetError< / a > < / div > < div class = "ttdeci" > void SetError(error::Code error_code, const std::string & error_message)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d1/d13/status_8h_source.html#l00113" > status.h:113< / a > < / div > < / div >
< div class = "ttc" id = "structshaka_1_1media_1_1StreamData_html" > < div class = "ttname" > < a href = "../../d0/d4c/structshaka_1_1media_1_1StreamData.html" > shaka::media::StreamData< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d3/d93/media__handler_8h_source.html#l00045" > media_handler.h:45< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1TrickPlayHandler_html_addbe1be8281bceb8e84df865424dded3" > < div class = "ttname" > < a href = "../../db/dea/classshaka_1_1media_1_1TrickPlayHandler.html#addbe1be8281bceb8e84df865424dded3" > shaka::media::TrickPlayHandler::ValidateOutputStreamIndex< / a > < / div > < div class = "ttdeci" > bool ValidateOutputStreamIndex(size_t stream_index) const override< / div > < div class = "ttdoc" > Validate if the stream at the specified index actually exists. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d3/d87/trick__play__handler_8cc_source.html#l00092" > trick_play_handler.cc:92< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1MediaHandler_html_ad5001bf12073101a949b062943769f5b" > < div class = "ttname" > < a href = "../../da/dfd/classshaka_1_1media_1_1MediaHandler.html#ad5001bf12073101a949b062943769f5b" > shaka::media::MediaHandler::FlushDownstream< / a > < / div > < div class = "ttdeci" > Status FlushDownstream(size_t output_stream_index)< / div > < div class = "ttdoc" > Flush the downstream connected at the specified output stream index. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d2/de9/media__handler_8cc_source.html#l00063" > media_handler.cc:63< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1TrickPlayHandler_html_a9a6c29c88fdeb667d5592142d6815bfa" > < div class = "ttname" > < a href = "../../db/dea/classshaka_1_1media_1_1TrickPlayHandler.html#a9a6c29c88fdeb667d5592142d6815bfa" > shaka::media::TrickPlayHandler::OnFlushRequest< / a > < / div > < div class = "ttdeci" > Status OnFlushRequest(size_t input_stream_index) override< / div > < div class = "ttdoc" > Event handler for flush request at the specific input stream index. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d3/d87/trick__play__handler_8cc_source.html#l00098" > trick_play_handler.cc:98< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1Status_html" > < div class = "ttname" > < a href = "../../d0/d93/classshaka_1_1media_1_1Status.html" > shaka::media::Status< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d1/d13/status_8h_source.html#l00088" > status.h:88< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1MediaSample_html_ad8975dbb21747ff32c8604f5489bf5c9" > < div class = "ttname" > < a href = "../../d7/d6d/classshaka_1_1media_1_1MediaSample.html#ad8975dbb21747ff32c8604f5489bf5c9" > shaka::media::MediaSample::CopyFrom< / a > < / div > < div class = "ttdeci" > static std::shared_ptr< MediaSample > CopyFrom(const uint8_t *data, size_t size, bool is_key_frame)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d8/d0d/media__sample_8cc_source.html#l00045" > media_sample.cc:45< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1TrickPlayHandler_html_a3fd2fae199e0a9607e83e02724896c10" > < div class = "ttname" > < a href = "../../db/dea/classshaka_1_1media_1_1TrickPlayHandler.html#a3fd2fae199e0a9607e83e02724896c10" > shaka::media::TrickPlayHandler::InitializeInternal< / a > < / div > < div class = "ttdeci" > Status InitializeInternal() override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d3/d87/trick__play__handler_8cc_source.html#l00025" > trick_play_handler.cc:25< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1VideoStreamInfo_html" > < div class = "ttname" > < a href = "../../d6/db1/classshaka_1_1media_1_1VideoStreamInfo.html" > shaka::media::VideoStreamInfo< / a > < / div > < div class = "ttdoc" > Holds video stream information. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d7/d87/video__stream__info_8h_source.html#l00023" > video_stream_info.h:23< / a > < / div > < / div >
< div class = "ttc" id = "classshaka_1_1media_1_1TrickPlayHandler_html_afdd13bb4e762c4b904ed75b268359757" > < div class = "ttname" > < a href = "../../db/dea/classshaka_1_1media_1_1TrickPlayHandler.html#afdd13bb4e762c4b904ed75b268359757" > shaka::media::TrickPlayHandler::Process< / a > < / div > < div class = "ttdeci" > Status Process(std::unique_ptr< StreamData > stream_data) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "../../d3/d87/trick__play__handler_8cc_source.html#l00029" > trick_play_handler.cc:29< / a > < / div > < / div >
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