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| author | Aman Gupta <aman@tmm1.net> | 2019-08-22 12:20:56 -0700 |
|---|---|---|
| committer | Aman Gupta <aman@tmm1.net> | 2019-09-02 15:06:22 -0700 |
| commit | 87daee944b119299c9057440c71aa4a524ef5734 (patch) | |
| tree | 89214455ca7fc86c7ea46a33a95fe0b7bb0096a5 | |
| parent | 7b092a074be8f8c9a7578afdbb9a57992deb1913 (diff) | |
| download | ffmpeg-87daee944b119299c9057440c71aa4a524ef5734.tar.gz | |
avcodec/v4l2_context: log VIDIOC_REQBUFS failures
Signed-off-by: Aman Gupta <aman@tmm1.net>
| -rw-r--r-- | libavcodec/v4l2_context.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/v4l2_context.c b/libavcodec/v4l2_context.c index efcb0426e4..4958c634bf 100644 --- a/libavcodec/v4l2_context.c +++ b/libavcodec/v4l2_context.c @@ -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)); |