Hi everybody,
I can get the AVFrame and output it to a raw image file (.ppm) I try to
use sws_scale to convert that image to variety of image type to save it
as a jpg file but it not work. I think it not a way to do.
I dont have much knowledge about image processing. So anybody know how
to use ffmpeg's libs to convert AVFrame to jpg please help me. The code
I used to save frame as a ppm file like this:
void SaveFrame(AVFrame *pFrame, int width, int height, int iFrame)
{
FILE *pFile;
char szFilename[32];
int y;
// Open file
sprintf(szFilename, "frame.ppm", iFrame);
pFile=fopen(szFilename, "wb");
if(pFile==NULL)
return;
// Write header
fprintf(pFile, "P6\n%d %d\n255\n", width, height);
// Write pixel data
for(y=0; y<height; y++)
fwrite(pFrame->data[0]+y*pFrame->linesize[0], 1, width*3, pFile);
// Close file
fclose(pFile);
}
Regards
Hoang Ong
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