I changed the code to this and it still produces a seg fault. I changed
the avcodec_alloc_context and avcodec_open calls to the new versions of
the functions as well. This is so strange to me.
av_register_all();
/* find the mpeg1 video encoder */
codec = avcodec_find_encoder(CODEC_ID_MPEG1VIDEO);
if (!codec) {
fprintf(stderr, "codec not found\n");
exit(1);
}
c= avcodec_alloc_context3(codec);
picture= avcodec_alloc_frame();
/* put sample parameters */
c->bit_rate = 400000;
/* resolution must be a multiple of two */
c->width = 352;
c->height = 288;
/* frames per second */
c->time_base= (AVRational){1,25};
c->gop_size = 10; /* emit one intra frame every ten frames */
c->max_b_frames=1;
c->pix_fmt = PIX_FMT_YUV420P;
c->codec_id = codec->id;
c->codec_type = AVMEDIA_TYPE_VIDEO ;
/* open it */
if (avcodec_open2(c, codec,NULL) < 0) {
fprintf(stderr, "could not open codec\n");
exit(1);
}
On 04/09/2012 09:34 PM, Kalileo wrote:
On Apr 10, 2012, at 04:11 , Jeremy Graham wrote:
I did try using avcodec_open2 as well but I still got a seg fault out of it. I
set the third parameter to NULL, however. Is that what I am doing wrong?
No, NULL is ok there.
Try setting these 2 values before you open the codec:
c->codec_id = codec->id;
c->codec_type = AVMEDIA_TYPE_VIDEO ;
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