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wrappercamerabinsrc: Implement video capture renegotiate

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Handle caps renegotiation from camerabin2's renegotiate event
to allow video capture to be done with the user's requested
resolution.
This commit is contained in:
Thiago Santos 2010-12-26 20:52:25 -03:00
parent bfe1e7f8bc
commit 890c4ab4fd
1 changed files with 21 additions and 3 deletions
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24
gst/camerabin2/gstwrappercamerabinsrc.c
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@ -138,9 +138,8 @@ gst_wrapper_camera_bin_src_imgsrc_probe (GstPad * pad, GstBuffer * buffer,
GstBaseCameraSrc *camerasrc = GST_BASE_CAMERA_SRC (data);
gboolean ret = FALSE;
GST_LOG_OBJECT (self, "Image probe, mode %d, capture count %d, caps %"
GST_PTR_FORMAT, camerasrc->mode, self->image_capture_count,
GST_BUFFER_CAPS (buffer));
GST_LOG_OBJECT (self, "Image probe, mode %d, capture count %d",
camerasrc->mode, self->image_capture_count);
g_mutex_lock (camerasrc->capturing_mutex);
if (self->image_capture_count > 0) {
@ -836,10 +835,29 @@ gst_wrapper_camera_bin_src_start_capture (GstBaseCameraSrc * camerasrc)
start_image_capture (src);
src->image_capture_count = 1;
} else if (src->mode == MODE_VIDEO) {
GstCaps *caps = NULL;
g_mutex_unlock (camerasrc->capturing_mutex);
gst_wrapper_camera_bin_reset_video_src_caps (src, NULL);
g_mutex_lock (camerasrc->capturing_mutex);
if (src->video_renegotiate) {
/* clean capsfilter caps so they don't interfere here */
g_object_set (src->src_filter, "caps", NULL, NULL);
if (src->src_zoom_filter)
g_object_set (src->src_zoom_filter, "caps", NULL, NULL);
caps = gst_pad_get_allowed_caps (src->vidsrc);
caps = gst_caps_make_writable (caps);
gst_pad_fixate_caps (src->vidsrc, caps);
GST_DEBUG_OBJECT (src, "Vidsrc caps fixated to %" GST_PTR_FORMAT, caps);
src->video_renegotiate = FALSE;
g_mutex_unlock (camerasrc->capturing_mutex);
gst_wrapper_camera_bin_reset_video_src_caps (src, caps);
g_mutex_lock (camerasrc->capturing_mutex);
gst_caps_unref (caps);
}
if (src->video_rec_status == GST_VIDEO_RECORDING_STATUS_DONE) {
src->video_rec_status = GST_VIDEO_RECORDING_STATUS_STARTING;
}