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MP4 language support in input, Timed Text input support (rudimentary, without styles)

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This commit is contained in:
Thulinma 2016-07-18 10:12:16 +02:00
parent d0abad68b3
commit f83a5525f4
1 changed files with 19 additions and 3 deletions
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18
src/input/input_mp4.cpp
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@ -9,6 +9,7 @@
#include <mist/flv_tag.h>
#include <mist/defines.h>
#include <mist/h264.h>
#include <mist/bitfields.h>
#include "input_mp4.h"
@ -323,9 +324,10 @@ namespace Mist {
std::string mdiaBoxType = mdiaLoopPeek.getType();
if (mdiaBoxType == "mdhd"){
timeScale = ((MP4::MDHD&)mdiaLoopPeek).getTimeScale();
myMeta.tracks[trackNo].lang = ((MP4::MDHD&)mdiaLoopPeek).getLanguage();
}else if (mdiaBoxType == "hdlr"){//fi mdhd
std::string handlerType = ((MP4::HDLR&)mdiaLoopPeek).getHandlerType();
if (handlerType != "vide" && handlerType !="soun"){
if (handlerType != "vide" && handlerType !="soun" && handlerType != "sbtl"){
myMeta.tracks.erase(trackNo);
//skip meta boxes for now
break;
@ -424,6 +426,9 @@ namespace Mist {
}
myMeta.tracks[trackNo].size = 16;///\todo this might be nice to calculate from mp4 file;
//get Visual sample entry -> esds -> startcodes
}else if (tmpType == "tx3g"){//plain text subtitles
myMeta.tracks[trackNo].type = "subtitle";
myMeta.tracks[trackNo].codec = "TTXT";
}else{
myMeta.tracks.erase(trackNo);
}
@ -595,7 +600,18 @@ namespace Mist {
thisPacket.null();
return;
}
if (myMeta.tracks[curPart.trackID].codec == "TTXT"){
unsigned int txtLen = Bit::btohs(data);
if (!txtLen){
thisPacket.genericFill(curPart.time, curPart.offset, curPart.trackID, " ", 1, 0/*Note: no bpos*/, isKeyframe);
}else{
thisPacket.genericFill(curPart.time, curPart.offset, curPart.trackID, data+2, txtLen, 0/*Note: no bpos*/, isKeyframe);
}
}else{
thisPacket.genericFill(curPart.time, curPart.offset, curPart.trackID, data, curPart.size, 0/*Note: no bpos*/, isKeyframe);
}
//get the next part for this track
curPart.index ++;