> -----Original Message-----
> From: Aman Gupta [mailto:a...@tmm1.net] On Behalf Of Aman Gupta
> Sent: Saturday, September 14, 2019 7:31 AM
> To: ffmpeg-devel@ffmpeg.org
> Cc: Guo, Yejun <yejun....@intel.com>; Aman Gupta <a...@tmm1.net>
> Subject: [PATCH] avcodec/v4l2_m2m_enc: check for
> V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME availability before using
>
> From: Aman Gupta <a...@tmm1.net>
>
> Signed-off-by: Aman Gupta <a...@tmm1.net>
> ---
> libavcodec/v4l2_m2m_enc.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/libavcodec/v4l2_m2m_enc.c b/libavcodec/v4l2_m2m_enc.c
> index 4849bc26c5..474e6bef89 100644
> --- a/libavcodec/v4l2_m2m_enc.c
> +++ b/libavcodec/v4l2_m2m_enc.c
> @@ -245,8 +245,10 @@ static int v4l2_send_frame(AVCodecContext *avctx,
> const AVFrame *frame)
> V4L2m2mContext *s = ((V4L2m2mPriv*)avctx->priv_data)->context;
> V4L2Context *const output = &s->output;
>
> +#ifdef V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME
> if (frame && frame->pict_type == AV_PICTURE_TYPE_I)
> v4l2_set_ext_ctrl(s, MPEG_CID(FORCE_KEY_FRAME), 0, "force key
> frame");
> +#endif
thanks, the specific build issue is fixed on my system, but I still met other
v4l2 build issues on master with this patch.
src/libavcodec/v4l2_m2m_enc.c: In function 'v4l2_set_ext_ctrl':
src/libavcodec/v4l2_m2m_enc.c:51:12: warning: braces around scalar initializer
struct v4l2_ext_controls ctrls = { { 0 } };
^
src/libavcodec/v4l2_m2m_enc.c:51:12: note: (near initialization for
'ctrls.ctrl_class')
src/libavcodec/v4l2_m2m_enc.c: In function 'v4l2_get_ext_ctrl':
src/libavcodec/v4l2_m2m_enc.c:71:12: warning: braces around scalar initializer
struct v4l2_ext_controls ctrls = { { 0 } };
^
src/libavcodec/v4l2_m2m_enc.c:71:12: note: (near initialization for
'ctrls.ctrl_class')
src/libavcodec/v4l2_buffers.c: In function 'v4l2_buffer_swframe_to_buf':
src/libavcodec/v4l2_buffers.c:354:10: error: 'V4L2_PIX_FMT_YUV422M' undeclared
(first use in this function)
case V4L2_PIX_FMT_YUV422M:
^
src/libavcodec/v4l2_buffers.c:354:10: note: each undeclared identifier is
reported only once for each function it appears in
src/libavcodec/v4l2_buffers.c:355:10: error: 'V4L2_PIX_FMT_YVU422M' undeclared
(first use in this function)
case V4L2_PIX_FMT_YVU422M:
^
src/libavcodec/v4l2_buffers.c:356:10: error: 'V4L2_PIX_FMT_YUV444M' undeclared
(first use in this function)
case V4L2_PIX_FMT_YUV444M:
^
src/libavcodec/v4l2_buffers.c:357:10: error: 'V4L2_PIX_FMT_YVU444M' undeclared
(first use in this function)
case V4L2_PIX_FMT_YVU444M:
^
src/ffbuild/common.mak:59: recipe for target 'libavcodec/v4l2_buffers.o' failed
make: *** [libavcodec/v4l2_buffers.o] Error 1
make: *** Waiting for unfinished jobs....
>
> return ff_v4l2_context_enqueue_frame(output, frame);
> }
> --
> 2.20.1
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