重写MP4点播

This commit is contained in:
xiongziliang
2020-04-03 20:45:58 +08:00
parent f03365efb1
commit 46be8a38e7
17 changed files with 205 additions and 530 deletions

View File

@@ -24,53 +24,35 @@
* SOFTWARE.
*/
#ifdef ENABLE_MP4RECORD
#ifdef ENABLE_MP4
#include "MP4Muxer.h"
#include "Util/File.h"
#include "Common/config.h"
namespace mediakit{
#if defined(_WIN32) || defined(_WIN64)
#define fseek64 _fseeki64
#define ftell64 _ftelli64
#else
#define fseek64 fseek
#define ftell64 ftell
#endif
void MP4MuxerBase::init(int flags) {
static struct mov_buffer_t s_io = {
[](void* ctx, void* data, uint64_t bytes) {
MP4MuxerBase *thiz = (MP4MuxerBase *)ctx;
return thiz->onRead(data,bytes);
},
[](void* ctx, const void* data, uint64_t bytes){
MP4MuxerBase *thiz = (MP4MuxerBase *)ctx;
return thiz->onWrite(data,bytes);
},
[](void* ctx, uint64_t offset) {
MP4MuxerBase *thiz = (MP4MuxerBase *)ctx;
return thiz->onSeek(offset);
},
[](void* ctx){
MP4MuxerBase *thiz = (MP4MuxerBase *)ctx;
return thiz->onTell();
}
};
_mov_writter.reset(mov_writer_create(&s_io,this,flags),[](mov_writer_t *ptr){
if(ptr){
mov_writer_destroy(ptr);
}
});
MP4Muxer::MP4Muxer(const char *file) {
_file_name = file;
openMP4();
}
MP4Muxer::~MP4Muxer() {
closeMP4();
}
void MP4Muxer::openMP4(){
closeMP4();
openFile(_file_name.data(), "wb+");
_mov_writter = createWriter();
}
void MP4Muxer::closeMP4(){
_mov_writter = nullptr;
closeFile();
}
///////////////////////////////////
void MP4Muxer::resetTracks() {
_codec_to_trackid.clear();
_started = false;
_have_video = false;
openMP4();
}
void MP4Muxer::inputFrame(const Frame::Ptr &frame) {
@@ -263,70 +245,5 @@ void MP4Muxer::addTrack(const Track::Ptr &track) {
}
}
MP4MuxerFile::MP4MuxerFile(const char *file){
_file_name = file;
openFile(file);
}
void MP4MuxerFile::openFile(const char *file) {
//创建文件
auto fp = File::createfile_file(file,"wb+");
if(!fp){
throw std::runtime_error(string("打开文件失败:") + file);
}
GET_CONFIG(uint32_t,mp4BufSize,Record::kFileBufSize);
//新建文件io缓存
std::shared_ptr<char> file_buf(new char[mp4BufSize],[](char *ptr){
if(ptr){
delete [] ptr;
}
});
if(file_buf){
//设置文件io缓存
setvbuf(fp, file_buf.get(), _IOFBF, mp4BufSize);
}
//创建智能指针
_file.reset(fp,[file_buf](FILE *fp) {
fclose(fp);
});
GET_CONFIG(bool, mp4FastStart, Record::kFastStart);
init(mp4FastStart ? MOV_FLAG_FASTSTART : 0);
}
MP4MuxerFile::~MP4MuxerFile() {
_mov_writter = nullptr;
}
int MP4MuxerFile::onRead(void *data, uint64_t bytes) {
if (bytes == fread(data, 1, bytes, _file.get())){
return 0;
}
return 0 != ferror(_file.get()) ? ferror(_file.get()) : -1 /*EOF*/;
}
int MP4MuxerFile::onWrite(const void *data, uint64_t bytes) {
return bytes == fwrite(data, 1, bytes, _file.get()) ? 0 : ferror(_file.get());
}
int MP4MuxerFile::onSeek(uint64_t offset) {
return fseek64(_file.get(), offset, SEEK_SET);
}
uint64_t MP4MuxerFile::onTell() {
return ftell64(_file.get());
}
void MP4MuxerFile::resetTracks(){
MP4Muxer::resetTracks();
openFile(_file_name.data());
}
}//namespace mediakit
#endif//#ifdef ENABLE_MP4RECORD
#endif//#ifdef ENABLE_MP4