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Factor out buffers negotiation and optimization checks.

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This commit is contained in:
gb 2010-03-18 08:16:59 +00:00
parent c561cead2b
commit 79c168751a
2 changed files with 34 additions and 17 deletions
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48
sys/vaapiconvert/gstvaapiconvert.c
View file

@ -186,14 +186,15 @@ gst_vaapiconvert_init(GstVaapiConvert *convert, GstVaapiConvertClass *klass)
{
GstPad *sinkpad;
convert->display = NULL;
convert->images = NULL;
convert->image_width = 0;
convert->image_height = 0;
convert->surfaces = NULL;
convert->surface_width = 0;
convert->surface_height = 0;
convert->use_inout_buffers = 0;
convert->display = NULL;
convert->images = NULL;
convert->image_width = 0;
convert->image_height = 0;
convert->surfaces = NULL;
convert->surface_width = 0;
convert->surface_height = 0;
convert->can_use_inout_buffers = FALSE;
convert->use_inout_buffers = FALSE;
/* Override buffer allocator on sink pad */
sinkpad = gst_element_get_static_pad(GST_ELEMENT(convert), "sink");
@ -358,7 +359,7 @@ gst_vaapiconvert_ensure_image_pool(GstVaapiConvert *convert, GstCaps *caps)
if (gst_video_format_parse_caps(caps, &vformat, NULL, NULL)) {
image = gst_vaapi_video_pool_get_object(convert->images);
if (image) {
convert->use_inout_buffers =
convert->can_use_inout_buffers =
(gst_vaapi_image_is_linear(image) &&
(gst_vaapi_image_get_data_size(image) ==
gst_video_format_get_size(vformat, width, height)));
@ -390,6 +391,26 @@ gst_vaapiconvert_ensure_surface_pool(GstVaapiConvert *convert, GstCaps *caps)
return TRUE;
}
static gboolean
gst_vaapiconvert_negotiate_buffers(
GstVaapiConvert *convert,
GstCaps *incaps,
GstCaps *outcaps
)
{
if (!gst_vaapiconvert_ensure_image_pool(convert, incaps))
return FALSE;
if (!gst_vaapiconvert_ensure_surface_pool(convert, outcaps))
return FALSE;
convert->use_inout_buffers = convert->can_use_inout_buffers;
GST_DEBUG("use-inout-buffers: %spossible, %s",
convert->can_use_inout_buffers ? "" : "not ",
convert->use_inout_buffers ? "enabled" : "disabled");
return TRUE;
}
static gboolean
gst_vaapiconvert_set_caps(
GstBaseTransform *trans,
@ -399,10 +420,7 @@ gst_vaapiconvert_set_caps(
{
GstVaapiConvert * const convert = GST_VAAPICONVERT(trans);
if (!gst_vaapiconvert_ensure_image_pool(convert, incaps))
return FALSE;
if (!gst_vaapiconvert_ensure_surface_pool(convert, outcaps))
if (!gst_vaapiconvert_negotiate_buffers(convert, incaps, outcaps))
return FALSE;
return TRUE;
@ -442,9 +460,7 @@ gst_vaapiconvert_buffer_alloc(
GstVaapiImage *image;
/* Check if we can use the inout-buffers optimization */
if (!gst_vaapiconvert_ensure_surface_pool(convert, caps))
goto error;
if (!gst_vaapiconvert_ensure_image_pool(convert, caps))
if (!gst_vaapiconvert_negotiate_buffers(convert, caps, caps))
goto error;
if (!convert->use_inout_buffers)
return GST_FLOW_OK;

3
sys/vaapiconvert/gstvaapiconvert.h
View file

@ -71,7 +71,8 @@ struct _GstVaapiConvert {
GstVaapiVideoPool *surfaces;
guint surface_width;
guint surface_height;
guint use_inout_buffers : 1;
guint can_use_inout_buffers : 1;
guint use_inout_buffers : 1;
};
struct _GstVaapiConvertClass {