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Add gst_vaapi_image_update_from_buffer() helper.
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parent
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commit
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2 changed files with 138 additions and 15 deletions
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@ -36,11 +36,12 @@ G_DEFINE_TYPE(GstVaapiImage, gst_vaapi_image, G_TYPE_OBJECT);
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struct _GstVaapiImagePrivate {
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GstVaapiDisplay *display;
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gboolean is_constructed;
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VAImage image;
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guchar *image_data;
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GstVaapiImageFormat format;
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guint width;
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guint height;
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GstVaapiImageFormat format;
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};
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enum {
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@ -48,9 +49,9 @@ enum {
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PROP_DISPLAY,
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PROP_IMAGE_ID,
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PROP_FORMAT,
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PROP_WIDTH,
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PROP_HEIGHT,
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PROP_FORMAT
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PROP_HEIGHT
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};
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static void
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@ -125,15 +126,15 @@ gst_vaapi_image_set_property(
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case PROP_DISPLAY:
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priv->display = g_object_ref(g_value_get_object(value));
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break;
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case PROP_FORMAT:
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priv->format = g_value_get_uint(value);
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break;
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case PROP_WIDTH:
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priv->width = g_value_get_uint(value);
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break;
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case PROP_HEIGHT:
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priv->height = g_value_get_uint(value);
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break;
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case PROP_FORMAT:
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priv->format = g_value_get_uint(value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
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break;
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@ -157,15 +158,15 @@ gst_vaapi_image_get_property(
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case PROP_IMAGE_ID:
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g_value_set_uint(value, gst_vaapi_image_get_id(image));
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break;
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case PROP_FORMAT:
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g_value_set_uint(value, gst_vaapi_image_get_format(image));
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break;
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case PROP_WIDTH:
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g_value_set_uint(value, gst_vaapi_image_get_width(image));
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break;
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case PROP_HEIGHT:
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g_value_set_uint(value, gst_vaapi_image_get_height(image));
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break;
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case PROP_FORMAT:
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g_value_set_uint(value, gst_vaapi_image_get_format(image));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
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break;
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@ -178,7 +179,7 @@ gst_vaapi_image_constructed(GObject *object)
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GstVaapiImage * const image = GST_VAAPI_IMAGE(object);
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GObjectClass *parent_class;
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gst_vaapi_image_create(image);
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image->priv->is_constructed = gst_vaapi_image_create(image);
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parent_class = G_OBJECT_CLASS(gst_vaapi_image_parent_class);
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if (parent_class->constructed)
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@ -263,9 +264,9 @@ gst_vaapi_image_init(GstVaapiImage *image)
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GstVaapiImage *
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gst_vaapi_image_new(
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GstVaapiDisplay *display,
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GstVaapiImageFormat format,
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guint width,
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guint height,
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GstVaapiImageFormat format
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guint height
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)
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{
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g_return_val_if_fail(GST_VAAPI_IS_DISPLAY(display), NULL);
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@ -276,9 +277,9 @@ gst_vaapi_image_new(
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return g_object_new(GST_VAAPI_TYPE_IMAGE,
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"display", display,
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"format", format,
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"width", width,
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"height", height,
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"format", format,
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NULL);
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}
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@ -286,6 +287,7 @@ VAImageID
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gst_vaapi_image_get_id(GstVaapiImage *image)
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{
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g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), VA_INVALID_ID);
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g_return_val_if_fail(image->priv->is_constructed, FALSE);
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return image->priv->image.image_id;
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}
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@ -294,6 +296,7 @@ GstVaapiDisplay *
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gst_vaapi_image_get_display(GstVaapiImage *image)
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{
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g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), NULL);
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g_return_val_if_fail(image->priv->is_constructed, FALSE);
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return image->priv->display;
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}
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@ -302,6 +305,7 @@ guint
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gst_vaapi_image_get_width(GstVaapiImage *image)
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{
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g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), 0);
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g_return_val_if_fail(image->priv->is_constructed, FALSE);
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return image->priv->width;
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}
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@ -310,6 +314,7 @@ guint
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gst_vaapi_image_get_height(GstVaapiImage *image)
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{
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g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), 0);
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g_return_val_if_fail(image->priv->is_constructed, FALSE);
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return image->priv->height;
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}
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@ -318,6 +323,7 @@ guint
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gst_vaapi_image_get_format(GstVaapiImage *image)
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{
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g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), 0);
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g_return_val_if_fail(image->priv->is_constructed, FALSE);
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return image->priv->format;
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}
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@ -332,6 +338,7 @@ gboolean
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gst_vaapi_image_is_mapped(GstVaapiImage *image)
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{
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g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), FALSE);
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g_return_val_if_fail(image->priv->is_constructed, FALSE);
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return _gst_vaapi_image_is_mapped(image);
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}
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@ -343,6 +350,7 @@ gst_vaapi_image_map(GstVaapiImage *image)
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VAStatus status;
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g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), FALSE);
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g_return_val_if_fail(image->priv->is_constructed, FALSE);
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if (_gst_vaapi_image_is_mapped(image))
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return TRUE;
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@ -365,6 +373,7 @@ gst_vaapi_image_unmap(GstVaapiImage *image)
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VAStatus status;
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g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), FALSE);
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g_return_val_if_fail(image->priv->is_constructed, FALSE);
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if (!_gst_vaapi_image_is_mapped(image))
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return FALSE;
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@ -384,6 +393,7 @@ guint
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gst_vaapi_image_get_plane_count(GstVaapiImage *image)
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{
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g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), 0);
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g_return_val_if_fail(image->priv->is_constructed, FALSE);
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g_return_val_if_fail(_gst_vaapi_image_is_mapped(image), 0);
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return image->priv->image.num_planes;
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@ -393,6 +403,7 @@ guchar *
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gst_vaapi_image_get_plane(GstVaapiImage *image, guint plane)
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{
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g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), NULL);
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g_return_val_if_fail(image->priv->is_constructed, FALSE);
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g_return_val_if_fail(_gst_vaapi_image_is_mapped(image), NULL);
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g_return_val_if_fail(plane < image->priv->image.num_planes, NULL);
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@ -403,8 +414,116 @@ guint
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gst_vaapi_image_get_pitch(GstVaapiImage *image, guint plane)
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{
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g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), 0);
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g_return_val_if_fail(image->priv->is_constructed, FALSE);
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g_return_val_if_fail(_gst_vaapi_image_is_mapped(image), 0);
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g_return_val_if_fail(plane < image->priv->image.num_planes, 0);
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return image->priv->image.pitches[plane];
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}
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gboolean
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gst_vaapi_image_update_from_buffer(GstVaapiImage *image, GstBuffer *buffer)
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{
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GstVaapiImagePrivate *priv;
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GstStructure *structure;
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GstCaps *caps;
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GstVaapiImageFormat format;
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gint width, height;
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guint offsets[3], pitches[3], widths[3], heights[3];
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guint i, j;
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guchar *data;
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guint32 data_size;
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g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), FALSE);
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g_return_val_if_fail(image->priv->is_constructed, FALSE);
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g_return_val_if_fail(GST_IS_BUFFER(buffer), FALSE);
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priv = image->priv;
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data = GST_BUFFER_DATA(buffer);
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data_size = GST_BUFFER_SIZE(buffer);
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caps = GST_BUFFER_CAPS(buffer);
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if (!caps)
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return FALSE;
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format = gst_vaapi_image_format_from_caps(caps);
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if (format != priv->format)
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return FALSE;
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structure = gst_caps_get_structure(caps, 0);
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gst_structure_get_int(structure, "width", &width);
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gst_structure_get_int(structure, "height", &height);
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if (width != priv->width || height != priv->height)
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return FALSE;
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if (!gst_vaapi_image_map(image))
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return FALSE;
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if (data_size == priv->image.data_size)
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memcpy(priv->image_data, data, data_size);
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else {
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/* XXX: copied from gst_video_format_get_row_stride() -- no NV12? */
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const guint width2 = (width + 1) / 2;
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const guint height2 = (height + 1) / 2;
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guint size2;
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switch (format) {
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case GST_VAAPI_IMAGE_NV12:
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offsets[0] = 0;
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pitches[0] = GST_ROUND_UP_4(width);
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widths [0] = width;
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heights[0] = height;
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offsets[1] = offsets[0] + height * pitches[0];
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pitches[1] = pitches[0];
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widths [1] = width2 * 2;
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heights[1] = height2;
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size2 = offsets[1] + height2 * pitches[1];
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break;
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case GST_VAAPI_IMAGE_YV12:
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case GST_VAAPI_IMAGE_I420:
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offsets[0] = 0;
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pitches[0] = GST_ROUND_UP_4(width);
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widths [0] = width;
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heights[0] = height;
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offsets[1] = offsets[0] + height * pitches[0];
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pitches[1] = GST_ROUND_UP_4(GST_ROUND_UP_2(width) / 2);
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widths [1] = width2;
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heights[1] = height2;
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offsets[2] = offsets[1] + height2 * pitches[1];
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pitches[2] = pitches[1];
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widths [2] = width2;
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heights[2] = height2;
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size2 = offsets[2] + height2 * pitches[2];
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break;
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case GST_VAAPI_IMAGE_ARGB:
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case GST_VAAPI_IMAGE_RGBA:
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case GST_VAAPI_IMAGE_ABGR:
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case GST_VAAPI_IMAGE_BGRA:
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offsets[0] = 0;
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pitches[0] = width * 4;
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widths [0] = width * 4;
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heights[0] = height;
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size2 = offsets[0] + height * pitches[0];
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break;
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default:
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g_error("could not compute row-stride for %" GST_FOURCC_FORMAT,
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GST_FOURCC_ARGS(format));
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break;
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}
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if (size2 != data_size)
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g_error("data_size mismatch %d / %u", size2, data_size);
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for (i = 0; i < priv->image.num_planes; i++) {
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guchar *src = data + offsets[i];
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guchar *dst = priv->image_data + priv->image.offsets[i];
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for (j = 0; j < heights[i]; j++) {
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memcpy(dst, src, widths[i]);
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src += pitches[i];
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dst += priv->image.pitches[i];
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}
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}
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}
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if (!gst_vaapi_image_unmap(image))
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return FALSE;
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return TRUE;
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}
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@ -21,6 +21,7 @@
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#ifndef GST_VAAPI_IMAGE_H
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#define GST_VAAPI_IMAGE_H
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#include <gst/gstbuffer.h>
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#include <gst/vaapi/gstvaapidisplay.h>
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#include <gst/vaapi/gstvaapiimageformat.h>
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@ -72,9 +73,9 @@ gst_vaapi_image_get_type(void);
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GstVaapiImage *
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gst_vaapi_image_new(
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GstVaapiDisplay *display,
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GstVaapiImageFormat format,
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guint width,
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guint height,
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GstVaapiImageFormat format
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guint height
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);
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VAImageID
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@ -110,6 +111,9 @@ gst_vaapi_image_get_plane(GstVaapiImage *image, guint plane);
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guint
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gst_vaapi_image_get_pitch(GstVaapiImage *image, guint plane);
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gboolean
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gst_vaapi_image_update_from_buffer(GstVaapiImage *image, GstBuffer *buffer);
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G_END_DECLS
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#endif /* GST_VAAPI_IMAGE_H */
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