最近做Live555相关项目,以前用ffmpeg做Ts流的转换,有时由于264编码的部分细节,ffmpeg从h264直接转ts流存在兼容问题,而使用live555方面则简单很多。
贴个代码,看官你可以直接抄:
/********** This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.) This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA **********/ // Copyright (c) 1996-2013, Live Networks, Inc. All rights reserved // A program that converts a H.264 (Elementary Stream) video file into a Transport Stream file. // main program #include "liveMedia.hh" #include "BasicUsageEnvironment.hh" char const* inputFileName = "in.264"; char const* outputFileName = "out.ts"; void afterPlaying(void* clientData); // forward UsageEnvironment* env; int main(int argc, char** argv) { // Begin by setting up our usage environment: TaskScheduler* scheduler = BasicTaskScheduler::createNew(); env = BasicUsageEnvironment::createNew(*scheduler); // Open the input file as a 'byte-stream file source': FramedSource* inputSource = ByteStreamFileSource::createNew(*env, inputFileName); if (inputSource == NULL) { *env << "Unable to open file \"" << inputFileName << "\" as a byte-stream file source\n"; exit(1); } // Create a 'framer' filter for this file source, to generate presentation times for each NAL unit: H264VideoStreamFramer* framer = H264VideoStreamFramer::createNew(*env, inputSource, True/*includeStartCodeInOutput*/); // Then create a filter that packs the H.264 video data into a Transport Stream: MPEG2TransportStreamFromESSource* tsFrames = MPEG2TransportStreamFromESSource::createNew(*env); tsFrames->addNewVideoSource(framer, 5/*mpegVersion: H.264*/); // Open the output file as a 'file sink': MediaSink* outputSink = FileSink::createNew(*env, outputFileName); if (outputSink == NULL) { *env << "Unable to open file \"" << outputFileName << "\" as a file sink\n"; exit(1); } // Finally, start playing: *env << "Beginning to read...\n"; outputSink->startPlaying(*tsFrames, afterPlaying, NULL); env->taskScheduler().doEventLoop(); // does not return return 0; // only to prevent compiler warning } void afterPlaying(void* /*clientData*/) { *env << "Done reading.\n"; *env << "Wrote output file: \"" << outputFileName << "\"\n"; exit(0); }
参考文章:
http://download.csdn.net/detail/ykl0602/4423361#comment
ES PES TS
http://blog.csdn.net/shuyong1999/article/details/7094151
TS流的解码过程-ES-PES-DTS-PTS-PCR
http://blog.csdn.net/godspirits/article/details/5653381