winamp/Src/Plugins/Encoder/enc_fhgaac/MP4Writer.cpp

64 lines
1.7 KiB
C++

#include "MP4Writer.h"
#include <strsafe.h>
MP4Writer::MP4Writer()
{
wchar_t tmppath[MAX_PATH-14] = {0};
GetTempPathW(MAX_PATH-14,tmppath);
GetTempFileNameW(tmppath, L"mp4", 0, tempfile);
mp4File = MP4Create(tempfile);
if(!mp4File)
{
return;
}
}
MP4Writer::~MP4Writer()
{
/* in case it's lingering open */
if (mp4File)
MP4Close(mp4File);
}
void MP4Writer::CloseTo(const wchar_t *filename)
{
MP4Close(mp4File);
mp4File=0;
MP4MakeIsmaCompliant(tempfile, 0, true);
DeleteFileW(filename);
if (MoveFileW(tempfile,filename) == 0) // if the function fails
{
CopyFileW(tempfile,filename, FALSE);
DeleteFileW(tempfile);
}
}
void MP4Writer::WriteGaps(uint32_t pregap, uint32_t postgap, uint64_t totalSamples)
{
char data[128] = {0};
StringCchPrintfA(data, 128, " %08X %08X %08X %016X %08X %08X %08X %08X %08X %08X %08X %08X", 0, pregap, postgap, totalSamples, 0, 0,0, 0,0, 0,0, 0);
MP4SetMetadataFreeForm(mp4File, "iTunSMPB", (u_int8_t *)data, lstrlenA(data));
}
void MP4Writer::Write(const void *buf, size_t size, MP4Duration duration)
{
MP4WriteSample(mp4File, mp4Track, (const uint8_t *)buf, size, duration);
}
void MP4Writer::AddAudioTrack(const HANDLE_MPEG4ENC_ENCODER encoder, const MPEG4ENC_SETUP *setup)
{
MPEG4ENC_INFO info;
MPEG4ENC_GetInfo(encoder, &info);
MP4SetTimeScale(mp4File, info.nSamplingRate[0]);
mp4Track = MP4AddAudioTrack(mp4File, info.nSamplingRate[0], info.nSamplesFrame[0], MP4_MPEG4_AUDIO_TYPE);
MP4SetAudioProfileLevel(mp4File, info.nProfLev);
MP4SetTrackESConfiguration(mp4File, mp4Track, info.ascBuf[0].ascBuffer, (info.ascBuf[0].nAscSizeBits+7)/8);
}
void MP4Writer::WriteTool(const char *tool)
{
MP4SetMetadataTool(mp4File, tool);
}