RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

avcodec/v4l2_context: log VIDIOC_REQBUFS failures 

Signed-off-by: Aman Gupta <aman@tmm1.net>
This commit is contained in:
Aman Gupta 2019-08-22 12:20:56 -07:00
parent 7b092a074b
commit 87daee944b
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
libavcodec/v4l2_context.c
View File

@ -678,8 +678,10 @@ int ff_v4l2_context_init(V4L2Context* ctx)
req.memory = V4L2_MEMORY_MMAP;
req.type = ctx->type;
ret = ioctl(s->fd, VIDIOC_REQBUFS, &req);
if (ret < 0)
if (ret < 0) {
av_log(logger(ctx), AV_LOG_ERROR, "%s VIDIOC_REQBUFS failed: %s\n", ctx->name, strerror(errno));
return AVERROR(errno);
}
ctx->num_buffers = req.count;
ctx->buffers = av_mallocz(ctx->num_buffers * sizeof(V4L2Buffer));