Differential D5853 Diff 18368 source/blender/imbuf/intern/anim_movie.c

Changeset View

Standalone View

source/blender/imbuf/intern/anim_movie.c

Show First 20 Lines • Show All 564 Lines • ▼ Show 20 Lines	# endif
}		}
if (pCodecCtx->pix_fmt == AV_PIX_FMT_NONE) {		if (pCodecCtx->pix_fmt == AV_PIX_FMT_NONE) {
avcodec_close(anim->pCodecCtx);		avcodec_close(anim->pCodecCtx);
avformat_close_input(&pFormatCtx);		avformat_close_input(&pFormatCtx);
return -1;		return -1;
}		}

frame_rate = av_guess_frame_rate(pFormatCtx, video_stream, NULL);		frame_rate = av_guess_frame_rate(pFormatCtx, video_stream, NULL);
		anim->duration = 0;

		/* Take from the stream if we can. */
if (video_stream->nb_frames != 0) {		if (video_stream->nb_frames != 0) {
anim->duration = video_stream->nb_frames;		anim->duration = video_stream->nb_frames;

		/* Sanity check on the detected duration. This is to work around corruption like reported in
		* T68091. */
		if (frame_rate.den != 0 && pFormatCtx->duration > 0) {
		double stream_sec = anim->duration * av_q2d(frame_rate);
		jbakkerUnsubmitted Done Inline Actions Possible integer overflow error? `anim->duration * av_q2d(framerate)` jbakker: Possible integer overflow error? `anim->duration * av_q2d(framerate)`
		double container_sec = pFormatCtx->duration / (double)AV_TIME_BASE;
		if (stream_sec > 4.0 * container_sec) {
		jbakkerUnsubmitted Done Inline Actions 4.0 as both are already doubles. jbakker: 4.0 as both are already doubles.
		/* The stream is significantly longer than the container duration, which is
		* suspicious. */
		anim->duration = 0;
}		}
else {		}
		}
		/* Fall back to the container. */
		if (anim->duration == 0) {
anim->duration = (int)(pFormatCtx->duration * av_q2d(frame_rate) / AV_TIME_BASE + 0.5f);		anim->duration = (int)(pFormatCtx->duration * av_q2d(frame_rate) / AV_TIME_BASE + 0.5f);
}		}

frs_num = frame_rate.num;		frs_num = frame_rate.num;
frs_den = frame_rate.den;		frs_den = frame_rate.den;

frs_den *= AV_TIME_BASE;		frs_den *= AV_TIME_BASE;

▲ Show 20 Lines • Show All 871 Lines • Show Last 20 Lines