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v4l2videoenc: Delay capture pool activation

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This is support CODA driver which prevents setting the output format if
the capture is streaming.

https://bugzilla.gnome.org/show_bug.cgi?id=791338
This commit is contained in:
Nicolas Dufresne 2017-12-21 22:29:06 -05:00
parent 97985a335c
commit 4aa5298f56
1 changed files with 8 additions and 6 deletions
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14
sys/v4l2/gstv4l2videoenc.c
View file

@ -343,6 +343,14 @@ gst_v4l2_video_enc_set_format (GstVideoEncoder * encoder,
return FALSE;
}
/* activating a capture pool will also call STREAMON. CODA driver will
* refuse to configure the output if the capture is stremaing. */
if (!gst_buffer_pool_set_active (GST_BUFFER_POOL (self->v4l2capture->pool),
TRUE)) {
GST_WARNING_OBJECT (self, "Could not activate capture buffer pool.");
return FALSE;
}
self->input_state = gst_video_codec_state_ref (state);
GST_DEBUG_OBJECT (self, "output caps: %" GST_PTR_FORMAT, state->caps);
@ -581,12 +589,6 @@ gst_v4l2_video_enc_negotiate (GstVideoEncoder * encoder)
if (!GST_VIDEO_ENCODER_CLASS (parent_class)->negotiate (encoder))
return FALSE;
if (!gst_buffer_pool_set_active (GST_BUFFER_POOL (self->v4l2capture->pool),
TRUE)) {
GST_WARNING_OBJECT (self, "Could not activate capture buffer pool.");
return FALSE;
}
return TRUE;
g_ctrl_failed: