Aegisub/aegisub/FFmpegSource2/ffms2rt.cpp

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// Copyright (c) 2009 Fredrik Mellbin
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
extern "C" {
#include <libavutil/md5.h>
}
#include <iostream>
#include <fstream>
#include "ffms.h"
using namespace std;
//#define VERBOSE
static int FFMS_CC UpdateProgress(int State, int64_t Current, int64_t Total, void *Private) {
static int LastPercentage = -1;
int Percentage = int((double(Current)/double(Total)) * 100);
if (Percentage <= LastPercentage)
return 0;
LastPercentage = Percentage;
#ifdef VERBOSE
cout << "Indexing " << static_cast<char *>(Private) << ", please wait... " << Percentage << "% \r" << flush;
#endif
return 0;
}
int main(int argc, char *argv[]) {
char ErrorMsg[2000];
AVMD5 *ctx = reinterpret_cast<AVMD5 *>(new uint8_t[av_md5_size]);
uint8_t md5sum[16];
if (argc != 2)
return -1;
FFMS_Init();
#ifndef VERBOSE
FFMS_NoLog();
#endif
int FMT_YV12A = FFMS_GetPixFmt("yuv420p");
int FMT_YV12B = FFMS_GetPixFmt("yuvj420p");
int FMT_YUY2 = FFMS_GetPixFmt("yuv422p");
av_md5_init(ctx);
FrameIndex *FI = FFMS_MakeIndex(argv[1], -1, 0, NULL, false, UpdateProgress, argv[1], ErrorMsg, sizeof(ErrorMsg));
if (!FI) {
cout << "Indexing error: " << ErrorMsg << endl;
return 1;
}
int track = FFMS_GetFirstTrackOfType(FI, FFMS_TYPE_VIDEO, ErrorMsg, sizeof(ErrorMsg));
if (track < 0) {
cout << "No usable track error: " << ErrorMsg << endl;
return 2;
}
VideoBase *FV = FFMS_CreateVideoSource(argv[1], track, FI, "", 1, 1, ErrorMsg, sizeof(ErrorMsg));
FFMS_DestroyFrameIndex(FI);
if (!FV) {
cout << "Video source error: " << ErrorMsg << endl;
return 3;
}
const VideoProperties *VP = FFMS_GetVideoProperties(FV);
for (int i = 0; i < VP->NumFrames; i++) {
const AVFrameLite *AVF = FFMS_GetFrame(FV, i, ErrorMsg, sizeof(ErrorMsg));
if (!AVF) {
cout << "Frame request error: " << ErrorMsg << " at frame " << i << endl;
return 4;
}
#ifdef VERBOSE
int LastPercentage = -1;
int Percentage = int((double(i)/double(VP->NumFrames)) * 100);
if (Percentage > LastPercentage) {
LastPercentage = Percentage;
cout << "Requesting frames " << argv[1] << ", please wait... " << Percentage << "% \r" << flush;
}
#endif
uint8_t *Data[3];
Data[0] = AVF->Data[0];
Data[1] = AVF->Data[1];
Data[2] = AVF->Data[2];
if (VP->VPixelFormat == FMT_YV12A || VP->VPixelFormat == FMT_YV12B) {
for (int j = 0; j < VP->Height / 2; j++) {
av_md5_update(ctx, Data[0], VP->Width);
Data[0] += AVF->Linesize[0];
av_md5_update(ctx, Data[0], VP->Width);
Data[0] += AVF->Linesize[0];
av_md5_update(ctx, Data[1], VP->Width / 2);
Data[1] += AVF->Linesize[1];
av_md5_update(ctx, Data[2], VP->Width / 2);
Data[2] += AVF->Linesize[2];
}
} else if (VP->VPixelFormat == FMT_YUY2) {
for (int j = 0; j < VP->Height / 2; j++) {
av_md5_update(ctx, Data[0], VP->Width);
Data[0] += AVF->Linesize[0];
av_md5_update(ctx, Data[0], VP->Width);
Data[0] += AVF->Linesize[0];
av_md5_update(ctx, Data[1], VP->Width / 2);
Data[1] += AVF->Linesize[1];
av_md5_update(ctx, Data[2], VP->Width / 2);
Data[2] += AVF->Linesize[2];
}
}
}
FFMS_DestroyVideoSource(FV);
av_md5_final(ctx, md5sum);
delete[] reinterpret_cast<uint8_t *>(ctx);
cout << "Test successful, MD5: " << hex;
for (int i = 0; i < sizeof(md5sum); i++)
cout << static_cast<unsigned>(md5sum[i]);
cout << endl;
return 0;
}