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vaapiconvert: fix direct-rendering caps detection.

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This commit is contained in:
Gwenole Beauchesne 2011-09-08 14:50:24 +02:00
parent 857a024c62
commit 64defe9615
2 changed files with 93 additions and 31 deletions
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122
gst/vaapiconvert/gstvaapiconvert.c
View file

@ -288,9 +288,11 @@ gst_vaapiconvert_init(GstVaapiConvert *convert, GstVaapiConvertClass *klass)
convert->display = NULL;
convert->images = NULL;
convert->images_reset = FALSE;
convert->image_width = 0;
convert->image_height = 0;
convert->surfaces = NULL;
convert->surfaces_reset = FALSE;
convert->surface_width = 0;
convert->surface_height = 0;
convert->direct_rendering_caps = 0;
@ -449,8 +451,6 @@ static gboolean
gst_vaapiconvert_ensure_image_pool(GstVaapiConvert *convert, GstCaps *caps)
{
GstStructure * const structure = gst_caps_get_structure(caps, 0);
GstVideoFormat vformat;
GstVaapiImage *image;
gint width, height;
gst_structure_get_int(structure, "width", &width);
@ -464,19 +464,7 @@ gst_vaapiconvert_ensure_image_pool(GstVaapiConvert *convert, GstCaps *caps)
convert->images = gst_vaapi_image_pool_new(convert->display, caps);
if (!convert->images)
return FALSE;
/* Check if we can alias sink & output buffers (same data_size) */
if (gst_video_format_parse_caps(caps, &vformat, NULL, NULL)) {
image = gst_vaapi_video_pool_get_object(convert->images);
if (image) {
if (convert->direct_rendering_caps == 0 &&
(gst_vaapi_image_is_linear(image) &&
(gst_vaapi_image_get_data_size(image) ==
gst_video_format_get_size(vformat, width, height))))
convert->direct_rendering_caps = 1;
gst_vaapi_video_pool_put_object(convert->images, image);
}
}
convert->images_reset = TRUE;
}
return TRUE;
}
@ -500,26 +488,97 @@ gst_vaapiconvert_ensure_surface_pool(GstVaapiConvert *convert, GstCaps *caps)
convert->surfaces = gst_vaapi_surface_pool_new(convert->display, caps);
if (!convert->surfaces)
return FALSE;
/* Check if we can access to the surface pixels directly */
surface = gst_vaapi_video_pool_get_object(convert->surfaces);
if (surface) {
image = gst_vaapi_surface_derive_image(surface);
if (image) {
if (gst_vaapi_image_map(image)) {
if (convert->direct_rendering_caps == 1 &&
gst_vaapi_image_is_linear(image))
convert->direct_rendering_caps = 2;
gst_vaapi_image_unmap(image);
}
g_object_unref(image);
}
gst_vaapi_video_pool_put_object(convert->surfaces, surface);
}
convert->surfaces_reset = TRUE;
}
return TRUE;
}
static GstVaapiImageFormat
gst_video_format_to_vaapi_image_format(GstVideoFormat vformat)
{
GstVaapiImageFormat vaformat;
switch (vformat) {
case GST_VIDEO_FORMAT_NV12: vaformat = GST_VAAPI_IMAGE_NV12; break;
case GST_VIDEO_FORMAT_YV12: vaformat = GST_VAAPI_IMAGE_YV12; break;
case GST_VIDEO_FORMAT_I420: vaformat = GST_VAAPI_IMAGE_I420; break;
case GST_VIDEO_FORMAT_AYUV: vaformat = GST_VAAPI_IMAGE_AYUV; break;
case GST_VIDEO_FORMAT_ARGB: vaformat = GST_VAAPI_IMAGE_ARGB; break;
case GST_VIDEO_FORMAT_RGBA: vaformat = GST_VAAPI_IMAGE_RGBA; break;
case GST_VIDEO_FORMAT_ABGR: vaformat = GST_VAAPI_IMAGE_ABGR; break;
case GST_VIDEO_FORMAT_BGRA: vaformat = GST_VAAPI_IMAGE_BGRA; break;
default: vaformat = (GstVaapiImageFormat)0; break;
}
return vaformat;
}
static void
gst_vaapiconvert_ensure_direct_rendering_caps(
GstVaapiConvert *convert,
GstCaps *caps
)
{
GstVaapiSurface *surface;
GstVaapiImage *image;
GstVaapiImageFormat vaformat;
GstVideoFormat vformat;
GstStructure *structure;
gint width, height;
if (!convert->images_reset && !convert->surfaces_reset)
return;
convert->images_reset = FALSE;
convert->surfaces_reset = FALSE;
convert->direct_rendering_caps = 0;
structure = gst_caps_get_structure(caps, 0);
if (!structure)
return;
gst_structure_get_int(structure, "width", &width);
gst_structure_get_int(structure, "height", &height);
/* Translate from Gst video format to VA image format */
if (!gst_video_format_parse_caps(caps, &vformat, NULL, NULL))
return;
if (!gst_video_format_is_yuv(vformat))
return;
vaformat = gst_video_format_to_vaapi_image_format(vformat);
if (!vaformat)
return;
/* Check if we can alias sink & output buffers (same data_size) */
image = gst_vaapi_video_pool_get_object(convert->images);
if (image) {
if (convert->direct_rendering_caps == 0 &&
(gst_vaapi_image_get_format(image) == vaformat &&
gst_vaapi_image_is_linear(image) &&
(gst_vaapi_image_get_data_size(image) ==
gst_video_format_get_size(vformat, width, height))))
convert->direct_rendering_caps = 1;
gst_vaapi_video_pool_put_object(convert->images, image);
}
/* Check if we can access to the surface pixels directly */
surface = gst_vaapi_video_pool_get_object(convert->surfaces);
if (surface) {
image = gst_vaapi_surface_derive_image(surface);
if (image) {
if (gst_vaapi_image_map(image)) {
if (convert->direct_rendering_caps == 1 &&
(gst_vaapi_image_get_format(image) == vaformat &&
gst_vaapi_image_is_linear(image) &&
(gst_vaapi_image_get_data_size(image) ==
gst_video_format_get_size(vformat, width, height))))
convert->direct_rendering_caps = 2;
gst_vaapi_image_unmap(image);
}
g_object_unref(image);
}
gst_vaapi_video_pool_put_object(convert->surfaces, surface);
}
}
static gboolean
gst_vaapiconvert_negotiate_buffers(
GstVaapiConvert *convert,
@ -535,6 +594,7 @@ gst_vaapiconvert_negotiate_buffers(
if (!gst_vaapiconvert_ensure_surface_pool(convert, outcaps))
return FALSE;
gst_vaapiconvert_ensure_direct_rendering_caps(convert, incaps);
dr = MIN(convert->direct_rendering, convert->direct_rendering_caps);
if (convert->direct_rendering != dr) {
convert->direct_rendering = dr;

2
gst/vaapiconvert/gstvaapiconvert.h
View file

@ -73,6 +73,8 @@ struct _GstVaapiConvert {
guint surface_height;
guint direct_rendering_caps;
guint direct_rendering;
unsigned int images_reset : 1;
unsigned int surfaces_reset : 1;
};
struct _GstVaapiConvertClass {