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HLS-related buffer size optimizes

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Thulinma 2016-06-26 21:14:23 +02:00
parent f53882a822
commit 9e391915df
4 changed files with 28 additions and 16 deletions
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15
src/input/input_buffer.cpp
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@ -208,15 +208,28 @@ namespace Mist {
}
bool inputBuffer::removeKey(unsigned int tid) {
DTSC::Track & Trk = myMeta.tracks[tid];
//Make sure we have at least 3 whole fragments at all times,
//unless we're shutting down the whole buffer right now
if (myMeta.tracks[tid].fragments.size() < 5 && config->is_active) {
if (Trk.fragments.size() < 5 && config->is_active) {
return false;
}
//If we're shutting down, and this track is empty, abort
if (!myMeta.tracks[tid].keys.size()) {
return false;
}
if (config->is_active && Trk.fragments.size() > 1){
///Make sure we have at least 3X the target duration.
//The target duration is the biggest fragment, rounded up to whole seconds.
uint32_t targetDuration = (Trk.biggestFragment() / 1000 + 1) * 1000;
//The start is the second fragment's begin
uint32_t fragStart = Trk.getKey((++Trk.fragments.begin())->getNumber()).getTime();
//The end is the last fragment's begin
uint32_t fragEnd = Trk.getKey(Trk.fragments.rbegin()->getNumber()).getTime();
if ((fragEnd - fragStart) < targetDuration * 3){
return false;
}
}
DEBUG_MSG(DLVL_HIGH, "Erasing key %d:%lu", tid, myMeta.tracks[tid].keys[0].getNumber());
//remove all parts of this key
for (int i = 0; i < myMeta.tracks[tid].keys[0].getParts(); i++) {