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提交 fd0f45e5 编写于 作者: R Roman Shaposhnik
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* fix for integer overflow 

Originally committed as revision 2297 to svn://svn.ffmpeg.org/ffmpeg/trunk
上级 3f418551
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Showing with 4 addition and 4 deletion
ffmpeg.c
浏览文件 @ fd0f45e5
......@@ -1125,11 +1125,11 @@ static int av_encode(AVFormatContext **output_files,
switch (ist->st->codec.codec_type) {
case CODEC_TYPE_AUDIO:
av_frac_init(&ist->next_pts,
0, 0, is->pts_num * ist->st->codec.sample_rate);
0, 0, (uint64_t)is->pts_num * ist->st->codec.sample_rate);
break;
case CODEC_TYPE_VIDEO:
av_frac_init(&ist->next_pts,
0, 0, is->pts_num * ist->st->codec.frame_rate);
0, 0, (uint64_t)is->pts_num * ist->st->codec.frame_rate);
break;
default:
break;
......@@ -1275,7 +1275,7 @@ static int av_encode(AVFormatContext **output_files,
}
data_buf = (uint8_t *)samples;
av_frac_add(&ist->next_pts,
is->pts_den * data_size / (2 * ist->st->codec.channels));
(uint64_t)is->pts_den * data_size / (2 * ist->st->codec.channels));
break;
case CODEC_TYPE_VIDEO:
{
......@@ -1300,7 +1300,7 @@ static int av_encode(AVFormatContext **output_files,
continue;
}
av_frac_add(&ist->next_pts,
is->pts_den * ist->st->codec.frame_rate_base);
(uint64_t)is->pts_den * ist->st->codec.frame_rate_base);
}
break;
default:
......
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