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v4l2videoenc: support force keyframe event in v4l2 encoder

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4663>
This commit is contained in:
YURI FEDOSEEV 2023-05-05 15:12:46 +08:00 committed by GStreamer Marge Bot
parent 3a9c103b58
commit 8dd51501d0
1 changed files with 11 additions and 0 deletions
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11
subprojects/gst-plugins-good/sys/v4l2/gstv4l2videoenc.c
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@ -817,6 +817,17 @@ gst_v4l2_video_enc_handle_frame (GstVideoEncoder * encoder,
}
if (frame->input_buffer) {
/* Process force keyframe event if it was passed */
if (GST_VIDEO_CODEC_FRAME_IS_FORCE_KEYFRAME (frame)) {
struct v4l2_control ctrl = { V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME, 1 };
if (self->v4l2output->ioctl (self->v4l2output->video_fd, VIDIOC_S_CTRL,
&ctrl) < 0)
GST_ELEMENT_WARNING (self, RESOURCE, FAILED,
(_("Failed to force keyframe.")),
("VIDIOC_S_CTRL (V4L2_CID_MPEG_VIDEO_FORCE_KEY_FRAME) failed: %s (%d)",
g_strerror (errno), errno));
}
GST_VIDEO_ENCODER_STREAM_UNLOCK (encoder);
GST_LOG_OBJECT (encoder, "Passing buffer with frame number %u",
frame->system_frame_number);