*
* Sample pipeline:
* |[
- * gst-launch videotestsrc ! "video/x-raw-yuv,format=(fourcc)AYUV" ! \
- * alphacolor ! "video/x-raw-rgb" ! ffmpegcolorspace ! autovideosink
+ * gst-launch videotestsrc ! "video/x-raw,format=(fourcc)AYUV" ! \
+ * alphacolor ! videoconvert ! autovideosink
* ]|
*/
static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
- GST_STATIC_CAPS (GST_VIDEO_CAPS_RGBA ";" GST_VIDEO_CAPS_BGRA ";"
- GST_VIDEO_CAPS_ARGB ";" GST_VIDEO_CAPS_ABGR ";"
- GST_VIDEO_CAPS_YUV ("AYUV"))
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ RGBA, BGRA, ARGB, ABGR, AYUV }"))
);
static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
- GST_STATIC_CAPS (GST_VIDEO_CAPS_RGBA ";" GST_VIDEO_CAPS_BGRA ";"
- GST_VIDEO_CAPS_ARGB ";" GST_VIDEO_CAPS_ABGR ";"
- GST_VIDEO_CAPS_YUV ("AYUV"))
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ RGBA, BGRA, ARGB, ABGR, AYUV }"))
);
G_DEFINE_TYPE (GstAlphaColor, gst_alpha_color, GST_TYPE_VIDEO_FILTER);
gst_element_class_set_details_simple (gstelement_class, "Alpha color filter",
"Filter/Converter/Video",
"ARGB from/to AYUV colorspace conversion preserving the alpha channel",
- "Wim Taymans <wim@fluendo.com>");
+ "Wim Taymans <wim.taymans@gmail.com>");
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&sink_template));
GST_DEBUG_FUNCPTR (gst_alpha_color_set_caps);
gstbasetransform_class->transform_ip =
GST_DEBUG_FUNCPTR (gst_alpha_color_transform_ip);
-
}
static void
#define DEFINE_ARGB_AYUV_FUNCTIONS(name, A, R, G, B) \
static void \
-transform_##name##_ayuv (guint8 * data, gint size, const gint *matrix) \
+transform_##name##_ayuv (GstVideoFrame * frame, const gint *matrix) \
{ \
+ guint8 *data; \
+ gsize size; \
gint y, u, v; \
gint yc[4]; \
gint uc[4]; \
gint vc[4]; \
\
+ data = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);\
+ size = GST_VIDEO_FRAME_SIZE (frame);\
+ \
memcpy (yc, matrix, 4 * sizeof (gint)); \
memcpy (uc, matrix + 4, 4 * sizeof (gint)); \
memcpy (vc, matrix + 8, 4 * sizeof (gint)); \
} \
\
static void \
-transform_ayuv_##name (guint8 * data, gint size, const gint *matrix) \
+transform_ayuv_##name (GstVideoFrame * frame, const gint *matrix) \
{ \
+ guint8 *data; \
+ gsize size; \
gint r, g, b; \
gint rc[4]; \
gint gc[4]; \
gint bc[4]; \
\
+ data = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);\
+ size = GST_VIDEO_FRAME_SIZE (frame);\
+ \
memcpy (rc, matrix, 4 * sizeof (gint)); \
memcpy (gc, matrix + 4, 4 * sizeof (gint)); \
memcpy (bc, matrix + 8, 4 * sizeof (gint)); \
DEFINE_ARGB_AYUV_FUNCTIONS (abgr, 0, 3, 2, 1);
static void
-transform_ayuv_ayuv (guint8 * data, gint size, const gint * matrix)
+transform_ayuv_ayuv (GstVideoFrame * frame, const gint * matrix)
{
+ guint8 *data;
+ gsize size;
gint y, u, v;
gint yc[4];
gint uc[4];
if (matrix == NULL)
return;
+ data = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
+ size = GST_VIDEO_FRAME_SIZE (frame);
+
memcpy (yc, matrix, 4 * sizeof (gint));
memcpy (uc, matrix + 4, 4 * sizeof (gint));
memcpy (vc, matrix + 8, 4 * sizeof (gint));
}
static void
-transform_argb_bgra (guint8 * data, gint size, const gint * matrix)
+transform_argb_bgra (GstVideoFrame * frame, const gint * matrix)
{
+ guint8 *data;
+ gsize size;
gint r, g, b;
+ data = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
+ size = GST_VIDEO_FRAME_SIZE (frame);
+
while (size > 0) {
r = data[1];
g = data[2];
#define transform_abgr_rgba transform_argb_bgra
static void
-transform_argb_abgr (guint8 * data, gint size, const gint * matrix)
+transform_argb_abgr (GstVideoFrame * frame, const gint * matrix)
{
+ guint8 *data;
+ gsize size;
gint r, g, b;
+ data = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
+ size = GST_VIDEO_FRAME_SIZE (frame);
+
while (size > 0) {
r = data[1];
g = data[2];
#define transform_abgr_argb transform_argb_abgr
static void
-transform_rgba_bgra (guint8 * data, gint size, const gint * matrix)
+transform_rgba_bgra (GstVideoFrame * frame, const gint * matrix)
{
+ guint8 *data;
+ gsize size;
gint r, g, b;
+ data = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
+ size = GST_VIDEO_FRAME_SIZE (frame);
+
while (size > 0) {
r = data[0];
g = data[1];
#define transform_bgra_rgba transform_rgba_bgra
static void
-transform_argb_rgba (guint8 * data, gint size, const gint * matrix)
+transform_argb_rgba (GstVideoFrame * frame, const gint * matrix)
{
+ guint8 *data;
+ gsize size;
gint r, g, b;
+ data = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
+ size = GST_VIDEO_FRAME_SIZE (frame);
+
while (size > 0) {
r = data[1];
g = data[2];
#define transform_abgr_bgra transform_argb_rgba
static void
-transform_bgra_argb (guint8 * data, gint size, const gint * matrix)
+transform_bgra_argb (GstVideoFrame * frame, const gint * matrix)
{
+ guint8 *data;
+ gsize size;
gint r, g, b;
+ data = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
+ size = GST_VIDEO_FRAME_SIZE (frame);
+
while (size > 0) {
r = data[2];
g = data[1];
#define transform_rgba_abgr transform_bgra_argb
static void
-transform_rgba_argb (guint8 * data, gint size, const gint * matrix)
+transform_rgba_argb (GstVideoFrame * frame, const gint * matrix)
{
+ guint8 *data;
+ gsize size;
gint r, g, b;
+ data = GST_VIDEO_FRAME_PLANE_DATA (frame, 0);
+ size = GST_VIDEO_FRAME_SIZE (frame);
+
while (size > 0) {
r = data[0];
g = data[1];
{
GstAlphaColor *alpha = GST_ALPHA_COLOR (btrans);
gboolean ret;
- gint w, h;
- gint w2, h2;
- GstVideoFormat in_format, out_format;
- const gchar *matrix;
+ GstVideoInfo in_info, out_info;
gboolean in_sdtv, out_sdtv;
alpha->process = NULL;
alpha->matrix = NULL;
- ret = gst_video_format_parse_caps (incaps, &in_format, &w, &h);
- ret &= gst_video_format_parse_caps (outcaps, &out_format, &w2, &h2);
+ ret = gst_video_info_from_caps (&in_info, incaps);
+ ret &= gst_video_info_from_caps (&out_info, outcaps);
+ if (!ret)
+ goto invalid_caps;
- if (!ret || w != w2 || h != h2) {
- GST_DEBUG_OBJECT (alpha, "incomplete or invalid caps!");
- return FALSE;
- }
-
- matrix = gst_video_parse_caps_color_matrix (incaps);
- in_sdtv = matrix ? g_str_equal (matrix, "sdtv") : TRUE;
- matrix = gst_video_parse_caps_color_matrix (outcaps);
- out_sdtv = matrix ? g_str_equal (matrix, "sdtv") : TRUE;
+ if (GST_VIDEO_INFO_WIDTH (&in_info) != GST_VIDEO_INFO_WIDTH (&out_info) ||
+ GST_VIDEO_INFO_HEIGHT (&in_info) != GST_VIDEO_INFO_HEIGHT (&out_info))
+ goto invalid_caps;
- alpha->in_format = in_format;
- alpha->out_format = out_format;
- alpha->width = w;
- alpha->height = h;
+ in_sdtv =
+ in_info.color_matrix ? g_str_equal (in_info.color_matrix, "sdtv") : TRUE;
+ out_sdtv =
+ out_info.color_matrix ? g_str_equal (out_info.color_matrix,
+ "sdtv") : TRUE;
- switch (alpha->in_format) {
+ switch (GST_VIDEO_INFO_FORMAT (&in_info)) {
case GST_VIDEO_FORMAT_ARGB:
- switch (alpha->out_format) {
+ switch (GST_VIDEO_INFO_FORMAT (&out_info)) {
case GST_VIDEO_FORMAT_ARGB:
alpha->process = NULL;
alpha->matrix = NULL;
}
break;
case GST_VIDEO_FORMAT_BGRA:
- switch (alpha->out_format) {
+ switch (GST_VIDEO_INFO_FORMAT (&out_info)) {
case GST_VIDEO_FORMAT_BGRA:
alpha->process = NULL;
alpha->matrix = NULL;
}
break;
case GST_VIDEO_FORMAT_ABGR:
- switch (alpha->out_format) {
+ switch (GST_VIDEO_INFO_FORMAT (&out_info)) {
case GST_VIDEO_FORMAT_ABGR:
alpha->process = NULL;
alpha->matrix = NULL;
}
break;
case GST_VIDEO_FORMAT_RGBA:
- switch (alpha->out_format) {
+ switch (GST_VIDEO_INFO_FORMAT (&out_info)) {
case GST_VIDEO_FORMAT_RGBA:
alpha->process = NULL;
alpha->matrix = NULL;
}
break;
case GST_VIDEO_FORMAT_AYUV:
- switch (alpha->out_format) {
+ switch (GST_VIDEO_INFO_FORMAT (&out_info)) {
case GST_VIDEO_FORMAT_AYUV:
if (in_sdtv == out_sdtv) {
alpha->process = transform_ayuv_ayuv;
break;
}
- if (in_format == out_format && in_sdtv == out_sdtv)
+ if (GST_VIDEO_INFO_FORMAT (&in_info) == GST_VIDEO_INFO_FORMAT (&out_info)
+ && in_sdtv == out_sdtv)
gst_base_transform_set_passthrough (btrans, TRUE);
else if (!alpha->process)
- return FALSE;
+ goto no_process;
return TRUE;
+
+ /* ERRORS */
+invalid_caps:
+ {
+ GST_DEBUG_OBJECT (alpha, "incomplete or invalid caps");
+ return FALSE;
+ }
+no_process:
+ {
+ GST_DEBUG_OBJECT (alpha, "could not find process function");
+ return FALSE;
+ }
}
static GstFlowReturn
gst_alpha_color_transform_ip (GstBaseTransform * btrans, GstBuffer * inbuf)
{
GstAlphaColor *alpha = GST_ALPHA_COLOR (btrans);
- guint8 *data;
- gsize size;
+ GstVideoFrame frame;
if (gst_base_transform_is_passthrough (btrans))
return GST_FLOW_OK;
- if (G_UNLIKELY (!alpha->process)) {
- GST_ERROR_OBJECT (alpha, "Not negotiated yet");
- return GST_FLOW_NOT_NEGOTIATED;
- }
-
- data = gst_buffer_map (inbuf, &size, NULL, GST_MAP_READWRITE);
+ if (G_UNLIKELY (!alpha->process))
+ goto not_negotiated;
- if (G_UNLIKELY (size != 4 * alpha->width * alpha->height)) {
- GST_ERROR_OBJECT (alpha, "Invalid buffer size (was %u, expected %u)",
- size, alpha->width * alpha->height);
- gst_buffer_unmap (inbuf, data, size);
- return GST_FLOW_ERROR;
- }
+ if (!gst_video_frame_map (&frame, &alpha->in_info, inbuf, GST_MAP_READWRITE))
+ goto invalid_buffer;
/* Transform in place */
- alpha->process (data, size, alpha->matrix);
+ alpha->process (&frame, alpha->matrix);
- gst_buffer_unmap (inbuf, data, size);
+ gst_video_frame_unmap (&frame);
return GST_FLOW_OK;
+
+ /* ERRORS */
+not_negotiated:
+ {
+ GST_ERROR_OBJECT (alpha, "Not negotiated yet");
+ return GST_FLOW_NOT_NEGOTIATED;
+ }
+invalid_buffer:
+ {
+ GST_ERROR_OBJECT (alpha, "Invalid buffer received");
+ return GST_FLOW_ERROR;
+ }
}
static gboolean
projects / platform / upstream / gst-plugins-good.git / blobdiff