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[MOVED FROM BAD 23/29] shapewipe: Move chain function error cases at the end of the function and add useful debug output

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This commit is contained in:
Sebastian Dröge 2010-02-08 08:19:48 +01:00
parent 11a16e95e2
commit e2ab650079
1 changed files with 47 additions and 38 deletions
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85
gst/shapewipe/gstshapewipe.c
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@ -751,7 +751,7 @@ gst_shape_wipe_do_qos (GstShapeWipe * self, GstClockTime timestamp)
}
#define CREATE_AYUV_FUNCTIONS(depth, shift) \
static GstFlowReturn \
static void \
gst_shape_wipe_blend_ayuv_##depth (GstShapeWipe * self, GstBuffer * inbuf, \
GstBuffer * maskbuf, GstBuffer * outbuf) \
{ \
@ -813,15 +813,13 @@ gst_shape_wipe_blend_ayuv_##depth (GstShapeWipe * self, GstBuffer * inbuf, \
} \
mask += mask_increment; \
} \
\
return GST_FLOW_OK; \
}
CREATE_AYUV_FUNCTIONS (16, 0);
CREATE_AYUV_FUNCTIONS (8, 8);
#define CREATE_ARGB_FUNCTIONS(depth, name, shift, a, r, g, b) \
static GstFlowReturn \
static void \
gst_shape_wipe_blend_##name##_##depth (GstShapeWipe * self, GstBuffer * inbuf, \
GstBuffer * maskbuf, GstBuffer * outbuf) \
{ \
@ -883,8 +881,6 @@ gst_shape_wipe_blend_##name##_##depth (GstShapeWipe * self, GstBuffer * inbuf, \
} \
mask += mask_increment; \
} \
\
return GST_FLOW_OK; \
}
CREATE_ARGB_FUNCTIONS (16, argb, 0, 0, 1, 2, 3);
@ -903,7 +899,7 @@ gst_shape_wipe_video_sink_chain (GstPad * pad, GstBuffer * buffer)
gboolean new_outbuf = FALSE;
if (G_UNLIKELY (self->fmt == GST_VIDEO_FORMAT_UNKNOWN))
return GST_FLOW_NOT_NEGOTIATED;
goto not_negotiated;
timestamp = GST_BUFFER_TIMESTAMP (buffer);
timestamp =
@ -917,41 +913,31 @@ gst_shape_wipe_video_sink_chain (GstPad * pad, GstBuffer * buffer)
GST_TIME_ARGS (timestamp), self->mask_position);
g_mutex_lock (self->mask_mutex);
if (self->shutdown) {
gst_buffer_unref (buffer);
return GST_FLOW_WRONG_STATE;
}
if (self->shutdown)
goto shutdown;
if (!self->mask)
g_cond_wait (self->mask_cond, self->mask_mutex);
if (self->mask == NULL) {
g_mutex_unlock (self->mask_mutex);
gst_buffer_unref (buffer);
return GST_FLOW_WRONG_STATE;
if (self->mask == NULL || self->shutdown) {
goto shutdown;
} else {
mask = gst_buffer_ref (self->mask);
}
g_mutex_unlock (self->mask_mutex);
if (!gst_shape_wipe_do_qos (self, GST_BUFFER_TIMESTAMP (buffer))) {
gst_buffer_unref (buffer);
gst_buffer_unref (mask);
return GST_FLOW_OK;
}
if (!gst_shape_wipe_do_qos (self, GST_BUFFER_TIMESTAMP (buffer)))
goto qos;
/* Try to blend inplace, if it's not possible
* get a new buffer from downstream.
*/
* get a new buffer from downstream. */
if (!gst_buffer_is_writable (buffer)) {
ret =
gst_pad_alloc_buffer_and_set_caps (self->srcpad, GST_BUFFER_OFFSET_NONE,
GST_BUFFER_SIZE (buffer), GST_PAD_CAPS (self->srcpad), &outbuf);
if (G_UNLIKELY (ret != GST_FLOW_OK)) {
gst_buffer_unref (buffer);
gst_buffer_unref (mask);
return ret;
}
if (G_UNLIKELY (ret != GST_FLOW_OK))
goto alloc_failed;
gst_buffer_copy_metadata (outbuf, buffer, GST_BUFFER_COPY_ALL);
new_outbuf = TRUE;
} else {
@ -959,17 +945,17 @@ gst_shape_wipe_video_sink_chain (GstPad * pad, GstBuffer * buffer)
}
if (self->fmt == GST_VIDEO_FORMAT_AYUV && self->mask_bpp == 16)
ret = gst_shape_wipe_blend_ayuv_16 (self, buffer, mask, outbuf);
gst_shape_wipe_blend_ayuv_16 (self, buffer, mask, outbuf);
else if (self->fmt == GST_VIDEO_FORMAT_AYUV)
ret = gst_shape_wipe_blend_ayuv_8 (self, buffer, mask, outbuf);
gst_shape_wipe_blend_ayuv_8 (self, buffer, mask, outbuf);
else if (self->fmt == GST_VIDEO_FORMAT_ARGB && self->mask_bpp == 16)
ret = gst_shape_wipe_blend_argb_16 (self, buffer, mask, outbuf);
gst_shape_wipe_blend_argb_16 (self, buffer, mask, outbuf);
else if (self->fmt == GST_VIDEO_FORMAT_ARGB)
ret = gst_shape_wipe_blend_argb_8 (self, buffer, mask, outbuf);
gst_shape_wipe_blend_argb_8 (self, buffer, mask, outbuf);
else if (self->fmt == GST_VIDEO_FORMAT_BGRA && self->mask_bpp == 16)
ret = gst_shape_wipe_blend_bgra_16 (self, buffer, mask, outbuf);
gst_shape_wipe_blend_bgra_16 (self, buffer, mask, outbuf);
else if (self->fmt == GST_VIDEO_FORMAT_BGRA)
ret = gst_shape_wipe_blend_bgra_8 (self, buffer, mask, outbuf);
gst_shape_wipe_blend_bgra_8 (self, buffer, mask, outbuf);
else
g_assert_not_reached ();
@ -977,12 +963,35 @@ gst_shape_wipe_video_sink_chain (GstPad * pad, GstBuffer * buffer)
if (new_outbuf)
gst_buffer_unref (buffer);
if (ret != GST_FLOW_OK) {
gst_buffer_unref (outbuf);
return ret;
}
ret = gst_pad_push (self->srcpad, outbuf);
if (G_UNLIKELY (ret != GST_FLOW_OK))
goto push_failed;
return ret;
/* Errors */
not_negotiated:
GST_ERROR_OBJECT (self, "No valid caps yet");
gst_buffer_unref (buffer);
return GST_FLOW_NOT_NEGOTIATED;
shutdown:
GST_DEBUG_OBJECT (self, "Shutting down");
gst_buffer_unref (buffer);
return GST_FLOW_WRONG_STATE;
qos:
GST_DEBUG_OBJECT (self, "Dropping buffer because of QoS");
gst_buffer_unref (buffer);
gst_buffer_unref (mask);
return GST_FLOW_OK;
alloc_failed:
GST_ERROR_OBJECT (self, "Buffer allocation from downstream failed: %s",
gst_flow_get_name (ret));
gst_buffer_unref (buffer);
gst_buffer_unref (mask);
return ret;
push_failed:
GST_ERROR_OBJECT (self, "Pushing buffer downstream failed: %s",
gst_flow_get_name (ret));
return ret;
}