mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-12-25 01:30:38 +00:00
Code Issues 1 Projects Releases Wiki Activity

videobox: Some cleanup

Browse source
This commit is contained in:
Sebastian Dröge 2010-03-08 19:09:01 +00:00
parent f8b7308c21
commit 7dcb294b54
1 changed files with 43 additions and 71 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

114
gst/videobox/gstvideobox.c
View file

@ -65,14 +65,6 @@
GST_DEBUG_CATEGORY_STATIC (videobox_debug);
#define GST_CAT_DEFAULT videobox_debug
/* elementfactory information */
static const GstElementDetails gst_video_box_details =
GST_ELEMENT_DETAILS ("Video box filter",
"Filter/Effect/Video",
"Resizes a video by adding borders or cropping",
"Wim Taymans <wim@fluendo.com>");
#define DEFAULT_LEFT 0
#define DEFAULT_RIGHT 0
#define DEFAULT_TOP 0
@ -129,7 +121,6 @@ static gboolean gst_video_box_get_unit_size (GstBaseTransform * trans,
static GstFlowReturn gst_video_box_transform (GstBaseTransform * trans,
GstBuffer * in, GstBuffer * out);
#define GST_TYPE_VIDEO_BOX_FILL (gst_video_box_fill_get_type())
static GType
gst_video_box_fill_get_type (void)
@ -155,7 +146,10 @@ gst_video_box_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_set_details (element_class, &gst_video_box_details);
gst_element_class_set_details_simple (element_class, "Video box filter",
"Filter/Effect/Video",
"Resizes a video by adding borders or cropping",
"Wim Taymans <wim@fluendo.com>");
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_video_box_sink_template));
@ -179,11 +173,8 @@ gst_video_box_finalize (GObject * object)
static void
gst_video_box_class_init (GstVideoBoxClass * klass)
{
GObjectClass *gobject_class;
GstBaseTransformClass *trans_class;
gobject_class = (GObjectClass *) klass;
trans_class = (GstBaseTransformClass *) klass;
GObjectClass *gobject_class = (GObjectClass *) klass;
GstBaseTransformClass *trans_class = (GstBaseTransformClass *) klass;
gobject_class->set_property = gst_video_box_set_property;
gobject_class->get_property = gst_video_box_get_property;
@ -192,30 +183,30 @@ gst_video_box_class_init (GstVideoBoxClass * klass)
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_FILL_TYPE,
g_param_spec_enum ("fill", "Fill", "How to fill the borders",
GST_TYPE_VIDEO_BOX_FILL, DEFAULT_FILL_TYPE,
(GParamFlags) G_PARAM_READWRITE));
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_LEFT,
g_param_spec_int ("left", "Left",
"Pixels to box at left (<0 = add a border)", G_MININT, G_MAXINT,
DEFAULT_LEFT, G_PARAM_READWRITE));
DEFAULT_LEFT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_RIGHT,
g_param_spec_int ("right", "Right",
"Pixels to box at right (<0 = add a border)", G_MININT, G_MAXINT,
DEFAULT_RIGHT, G_PARAM_READWRITE));
DEFAULT_RIGHT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_TOP,
g_param_spec_int ("top", "Top",
"Pixels to box at top (<0 = add a border)", G_MININT, G_MAXINT,
DEFAULT_TOP, G_PARAM_READWRITE));
DEFAULT_TOP, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BOTTOM,
g_param_spec_int ("bottom", "Bottom",
"Pixels to box at bottom (<0 = add a border)", G_MININT, G_MAXINT,
DEFAULT_BOTTOM, G_PARAM_READWRITE));
DEFAULT_BOTTOM, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_ALPHA,
g_param_spec_double ("alpha", "Alpha", "Alpha value picture", 0.0, 1.0,
DEFAULT_ALPHA, G_PARAM_READWRITE));
DEFAULT_ALPHA, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BORDER_ALPHA,
g_param_spec_double ("border_alpha", "Border Alpha",
g_param_spec_double ("border-alpha", "Border Alpha",
"Alpha value of the border", 0.0, 1.0, DEFAULT_BORDER_ALPHA,
G_PARAM_READWRITE));
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GstVideoBox:autocrop
*
@ -226,16 +217,13 @@ gst_video_box_class_init (GstVideoBoxClass * klass)
**/
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_AUTOCROP,
g_param_spec_boolean ("autocrop", "Auto crop",
"Auto crop", FALSE, G_PARAM_READWRITE));
"Auto crop", FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
trans_class->transform = GST_DEBUG_FUNCPTR (gst_video_box_transform);
trans_class->transform_caps =
GST_DEBUG_FUNCPTR (gst_video_box_transform_caps);
trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_video_box_set_caps);
trans_class->get_unit_size = GST_DEBUG_FUNCPTR (gst_video_box_get_unit_size);
GST_DEBUG_CATEGORY_INIT (videobox_debug, "videobox", 0,
"Resizes a video by adding borders or cropping");
}
static void
@ -324,7 +312,7 @@ gst_video_box_set_property (GObject * object, guint prop_id,
video_box_recalc_transform (video_box);
GST_DEBUG_OBJECT (video_box, "Calling reconfigure");
gst_base_transform_reconfigure (GST_BASE_TRANSFORM (video_box));
gst_base_transform_reconfigure (GST_BASE_TRANSFORM_CAST (video_box));
g_mutex_unlock (video_box->mutex);
}
@ -416,15 +404,13 @@ static GstCaps *
gst_video_box_transform_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * from)
{
GstVideoBox *video_box;
GstVideoBox *video_box = GST_VIDEO_BOX (trans);
GstCaps *to, *ret;
const GstCaps *templ;
GstStructure *structure;
GstPad *other;
gint width, height;
video_box = GST_VIDEO_BOX (trans);
to = gst_caps_copy (from);
structure = gst_caps_get_structure (to, 0);
@ -438,7 +424,6 @@ gst_video_box_transform_caps (GstBaseTransform * trans,
}
if (!video_box->autocrop) {
/* calculate width and height */
if (gst_structure_get_int (structure, "width", &width)) {
if (direction == GST_PAD_SINK) {
@ -491,16 +476,18 @@ video_box_recalc_transform (GstVideoBox * video_box)
gboolean res = TRUE;
/* if we have the same format in and out and we don't need to perform any
* cropping at all, we can just operate in passthorugh mode */
* cropping at all, we can just operate in passthrough mode */
if (video_box->in_fourcc == video_box->out_fourcc &&
video_box->box_left == 0 && video_box->box_right == 0 &&
video_box->box_top == 0 && video_box->box_bottom == 0) {
GST_LOG_OBJECT (video_box, "we are using passthrough");
gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (video_box), TRUE);
gst_base_transform_set_passthrough (GST_BASE_TRANSFORM_CAST (video_box),
TRUE);
} else {
GST_LOG_OBJECT (video_box, "we are not using passthrough");
gst_base_transform_set_passthrough (GST_BASE_TRANSFORM (video_box), FALSE);
gst_base_transform_set_passthrough (GST_BASE_TRANSFORM_CAST (video_box),
FALSE);
}
return res;
}
@ -508,12 +495,10 @@ video_box_recalc_transform (GstVideoBox * video_box)
static gboolean
gst_video_box_set_caps (GstBaseTransform * trans, GstCaps * in, GstCaps * out)
{
GstVideoBox *video_box;
GstVideoBox *video_box = GST_VIDEO_BOX (trans);
GstStructure *structure;
gboolean ret;
video_box = GST_VIDEO_BOX (trans);
structure = gst_caps_get_structure (in, 0);
ret = gst_structure_get_int (structure, "width", &video_box->in_width);
ret &= gst_structure_get_int (structure, "height", &video_box->in_height);
@ -564,16 +549,13 @@ static gboolean
gst_video_box_get_unit_size (GstBaseTransform * trans, GstCaps * caps,
guint * size)
{
GstVideoBox *video_box;
GstVideoBox *video_box = GST_VIDEO_BOX (trans);
GstStructure *structure = NULL;
guint32 fourcc;
gint width, height;
g_assert (size);
video_box = GST_VIDEO_BOX (trans);
structure = gst_caps_get_structure (caps, 0);
gst_structure_get_fourcc (structure, "format", &fourcc);
gst_structure_get_int (structure, "width", &width);
@ -650,7 +632,7 @@ gst_video_box_ayuv_ayuv (GstVideoBox * video_box, guint8 * src, guint8 * dest)
guint32 *loc = destb;
guint32 empty_pixel;
GST_LOG ("Processing AYUV -> AYUV data");
GST_LOG_OBJECT (video_box, "Processing AYUV -> AYUV data");
crop_h = 0;
crop_w = 0;
@ -684,15 +666,13 @@ gst_video_box_ayuv_ayuv (GstVideoBox * video_box, guint8 * src, guint8 * dest)
crop_h = video_box->in_height;
}
GST_DEBUG ("Borders are: L:%d, R:%d, T:%d, B:%d", bl, br, bt, bb);
GST_DEBUG ("Alpha value is: %d", i_alpha);
GST_DEBUG_OBJECT (video_box, "Borders are: L:%d, R:%d, T:%d, B:%d", bl, br,
bt, bb);
GST_DEBUG_OBJECT (video_box, "Alpha value is: %d", i_alpha);
if (crop_h <= 0 || crop_w <= 0) {
oil_splat_u32_ns (destb, &empty_pixel, dblen);
} else {
guint32 *src_loc = srcb;
/* Top border */
@ -737,8 +717,7 @@ gst_video_box_ayuv_ayuv (GstVideoBox * video_box, guint8 * src, guint8 * dest)
}
}
GST_LOG ("image created");
GST_LOG_OBJECT (video_box, "image created");
}
static gpointer
@ -774,7 +753,7 @@ gst_video_box_ayuv_i420 (GstVideoBox * video_box, guint8 * src, guint8 * dest)
gint i, j;
guint Ywidth, Uwidth, Vwidth;
GST_LOG ("AYUV to I420 conversion");
GST_LOG_OBJECT (video_box, "AYUV to I420 conversion");
crop_h = 0;
crop_w = 0;
@ -831,18 +810,16 @@ gst_video_box_ayuv_i420 (GstVideoBox * video_box, guint8 * src, guint8 * dest)
Utemp = g_malloc0 (Uwidth);
Vtemp = g_malloc0 (Vwidth);
GST_LOG ("Borders are: L:%d, R:%d, T:%d, B:%d", bl, br, bt, bb);
GST_LOG_OBJECT (video_box, "Borders are: L:%d, R:%d, T:%d, B:%d", bl, br, bt,
bb);
GST_LOG ("Starting conversion");
GST_LOG_OBJECT (video_box, "Starting conversion");
if (crop_h <= 0 || crop_w <= 0) {
oil_splat_u8_ns (Ydest, (guint8 *) & empty_px_values[0], Ysize);
oil_splat_u8_ns (Udest, (guint8 *) & empty_px_values[1], Usize);
oil_splat_u8_ns (Vdest, (guint8 *) & empty_px_values[2], Vsize);
} else {
gboolean sumbuff = FALSE;
guint32 *src_loc1;
gint a = 0;
@ -866,7 +843,6 @@ gst_video_box_ayuv_i420 (GstVideoBox * video_box, guint8 * src, guint8 * dest)
Ydest += ((-bt) * Ywidth);
Udest += (UVfloor (-bt) * Uwidth);
Vdest += (UVfloor (-bt) * Vwidth);
} else {
src_loc1 = src_loc1 + (bt * video_box->in_width);
}
@ -874,13 +850,12 @@ gst_video_box_ayuv_i420 (GstVideoBox * video_box, guint8 * src, guint8 * dest)
if (bl >= 0)
src_loc1 += bl;
GST_LOG ("Cropped area");
GST_LOG ("Ydest value: %p Ywidth: %u", Ydest, Ywidth);
GST_LOG ("Udest value: %p Uwidth: %u", Udest, Uwidth);
GST_LOG ("Vdest value: %p Vwidth: %u", Vdest, Vwidth);
GST_LOG ("Rest: %d", rest);
GST_LOG_OBJECT (video_box, "Cropped area");
GST_LOG_OBJECT (video_box, "Ydest value: %p Ywidth: %u", Ydest, Ywidth);
GST_LOG_OBJECT (video_box, "Udest value: %p Uwidth: %u", Udest, Uwidth);
GST_LOG_OBJECT (video_box, "Vdest value: %p Vwidth: %u", Vdest, Vwidth);
GST_LOG_OBJECT (video_box, "Rest: %d", rest);
for (i = 0; i < crop_h; i++) {
a = 0;
if (sumbuff) {
/* left border */
@ -925,9 +900,7 @@ gst_video_box_ayuv_i420 (GstVideoBox * video_box, guint8 * src, guint8 * dest)
gst_video_box_clear (Vtemp, Vwidth);
src_loc1 += video_box->in_width;
sumbuff = FALSE;
} else {
/* left border */
a = 0;
if (bl < 0) {
@ -941,7 +914,6 @@ gst_video_box_ayuv_i420 (GstVideoBox * video_box, guint8 * src, guint8 * dest)
}
for (j = 0; j < crop_w; j++) {
/* check ARCH */
Ydest[j] = ((guint8 *) & src_loc1[j])[1];
@ -979,7 +951,6 @@ gst_video_box_ayuv_i420 (GstVideoBox * video_box, guint8 * src, guint8 * dest)
Ydest += rest;
src_loc1 += video_box->in_width;
sumbuff = TRUE;
}
}
@ -1011,7 +982,7 @@ gst_video_box_ayuv_i420 (GstVideoBox * video_box, guint8 * src, guint8 * dest)
}
}
GST_LOG ("image created");
GST_LOG_OBJECT (video_box, "image created");
g_free (Utemp);
g_free (Vtemp);
}
@ -1199,11 +1170,9 @@ static GstFlowReturn
gst_video_box_transform (GstBaseTransform * trans, GstBuffer * in,
GstBuffer * out)
{
GstVideoBox *video_box;
GstVideoBox *video_box = GST_VIDEO_BOX (trans);
guint8 *indata, *outdata;
video_box = GST_VIDEO_BOX (trans);
indata = GST_BUFFER_DATA (in);
outdata = GST_BUFFER_DATA (out);
@ -1253,6 +1222,9 @@ plugin_init (GstPlugin * plugin)
{
oil_init ();
GST_DEBUG_CATEGORY_INIT (videobox_debug, "videobox", 0,
"Resizes a video by adding borders or cropping");
return gst_element_register (plugin, "videobox", GST_RANK_NONE,
GST_TYPE_VIDEO_BOX);
}