/* Source pad definition */
static GstStaticPadTemplate gst_gl_colorscale_src_pad_template =
- GST_STATIC_PAD_TEMPLATE ("src",
+GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
- GST_STATIC_CAPS (GST_VIDEO_CAPS_RGBx ";"
- GST_VIDEO_CAPS_BGRx ";"
- GST_VIDEO_CAPS_xRGB ";"
- GST_VIDEO_CAPS_xBGR ";"
- GST_VIDEO_CAPS_YUV ("{ I420, YV12, YUY2, UYVY, AYUV }"))
+ GST_STATIC_CAPS (GST_GL_VIDEO_CAPS)
);
/* Source pad definition */
static GstStaticPadTemplate gst_gl_colorscale_sink_pad_template =
- GST_STATIC_PAD_TEMPLATE ("sink",
+GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
- GST_STATIC_CAPS (GST_VIDEO_CAPS_RGBx ";"
- GST_VIDEO_CAPS_BGRx ";"
- GST_VIDEO_CAPS_xRGB ";"
- GST_VIDEO_CAPS_xBGR ";"
- GST_VIDEO_CAPS_YUV ("{ I420, YV12, YUY2, UYVY, AYUV }"))
+ GST_STATIC_CAPS (GST_GL_VIDEO_CAPS)
);
/* Properties */
static gboolean gst_gl_colorscale_set_caps (GstBaseTransform * bt,
GstCaps * incaps, GstCaps * outcaps);
static GstCaps *gst_gl_colorscale_transform_caps (GstBaseTransform * bt,
- GstPadDirection direction, GstCaps * caps);
-static void gst_gl_colorscale_fixate_caps (GstBaseTransform * base,
+ GstPadDirection direction, GstCaps * caps, GstCaps * filter);
+static GstCaps *gst_gl_colorscale_fixate_caps (GstBaseTransform * base,
GstPadDirection direction, GstCaps * caps, GstCaps * othercaps);
static gboolean gst_gl_colorscale_start (GstBaseTransform * bt);
static gboolean gst_gl_colorscale_stop (GstBaseTransform * bt);
static GstFlowReturn gst_gl_colorscale_transform (GstBaseTransform * trans,
GstBuffer * inbuf, GstBuffer * outbuf);
static gboolean gst_gl_colorscale_get_unit_size (GstBaseTransform * trans,
- GstCaps * caps, guint * size);
+ GstCaps * caps, gsize * size);
static void
-gst_gl_colorscale_base_init (gpointer klass)
-{
-}
-
-static void
gst_gl_colorscale_class_init (GstGLColorscaleClass * klass)
{
GObjectClass *gobject_class;
static GstCaps *
gst_gl_colorscale_transform_caps (GstBaseTransform * bt,
- GstPadDirection direction, GstCaps * caps)
+ GstPadDirection direction, GstCaps * caps, GstCaps * filter)
{
//GstGLColorscale* colorscale = GST_GL_COLORSCALE (bt);
- GstStructure *structure = gst_caps_get_structure (caps, 0);
- GstCaps *newcaps = gst_caps_new_simple ("video/x-raw-yuv", NULL);
- GstCaps *newothercaps = gst_caps_new_simple ("video/x-raw-rgb", NULL);
- const GValue *framerate_value = NULL;
- const GValue *par_value = NULL;
+ GstStructure *structure;
+ GstCaps *newcaps;
+ const GValue *framerate_value;
+ const GValue *par_value;
GST_DEBUG ("transform caps %" GST_PTR_FORMAT, caps);
+ structure = gst_caps_get_structure (caps, 0);
+ newcaps = gst_caps_new_empty_simple ("video/x-raw");
+
framerate_value = gst_structure_get_value (structure, "framerate");
par_value = gst_structure_get_value (structure, "pixel-aspect-ratio");
- gst_caps_append (newcaps, newothercaps);
-
-
structure = gst_structure_copy (gst_caps_get_structure (newcaps, 0));
gst_structure_set (structure,
gst_structure_set (structure, "pixel-aspect-ratio", GST_TYPE_FRACTION,
1, 1, NULL);
- gst_caps_merge_structure (newcaps, gst_structure_copy (structure));
+ newcaps = gst_caps_merge_structure (newcaps, gst_structure_copy (structure));
GST_DEBUG ("new caps %" GST_PTR_FORMAT, newcaps);
}
/* from gst-plugins-base "videoscale" code */
-static void
+static GstCaps *
gst_gl_colorscale_fixate_caps (GstBaseTransform * base,
GstPadDirection direction, GstCaps * caps, GstCaps * othercaps)
{
GstStructure *ins, *outs;
-
const GValue *from_par, *to_par;
+ GValue fpar = { 0, }, tpar = {
+ 0,};
- g_return_if_fail (gst_caps_is_fixed (caps));
+ othercaps = gst_caps_truncate (othercaps);
+ othercaps = gst_caps_make_writable (othercaps);
GST_DEBUG_OBJECT (base, "trying to fixate othercaps %" GST_PTR_FORMAT
" based on caps %" GST_PTR_FORMAT, othercaps, caps);
from_par = gst_structure_get_value (ins, "pixel-aspect-ratio");
to_par = gst_structure_get_value (outs, "pixel-aspect-ratio");
- //we have both PAR but they might not be fixated
- if (from_par && to_par) {
- gint from_w, from_h, from_par_n, from_par_d, to_par_n, to_par_d;
+ /* If we're fixating from the sinkpad we always set the PAR and
+ * assume that missing PAR on the sinkpad means 1/1 and
+ * missing PAR on the srcpad means undefined
+ */
+ if (direction == GST_PAD_SINK) {
+ if (!from_par) {
+ g_value_init (&fpar, GST_TYPE_FRACTION);
+ gst_value_set_fraction (&fpar, 1, 1);
+ from_par = &fpar;
+ }
+ if (!to_par) {
+ g_value_init (&tpar, GST_TYPE_FRACTION_RANGE);
+ gst_value_set_fraction_range_full (&tpar, 1, G_MAXINT, G_MAXINT, 1);
+ to_par = &tpar;
+ }
+ } else {
+ if (!to_par) {
+ g_value_init (&tpar, GST_TYPE_FRACTION);
+ gst_value_set_fraction (&tpar, 1, 1);
+ to_par = &tpar;
- gint count = 0, w = 0, h = 0;
+ gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION, 1, 1,
+ NULL);
+ }
+ if (!from_par) {
+ g_value_init (&fpar, GST_TYPE_FRACTION);
+ gst_value_set_fraction (&fpar, 1, 1);
+ from_par = &fpar;
+ }
+ }
- guint num, den;
+ /* we have both PAR but they might not be fixated */
+ {
+ gint from_w, from_h, from_par_n, from_par_d, to_par_n, to_par_d;
+ gint w = 0, h = 0;
+ gint from_dar_n, from_dar_d;
+ gint num, den;
- //from_par should be fixed
- g_return_if_fail (gst_value_is_fixed (from_par));
+ /* from_par should be fixed */
+ g_return_val_if_fail (gst_value_is_fixed (from_par), othercaps);
from_par_n = gst_value_get_fraction_numerator (from_par);
from_par_d = gst_value_get_fraction_denominator (from_par);
- //fixate the out PAR
- if (!gst_value_is_fixed (to_par)) {
- GST_DEBUG_OBJECT (base, "fixating to_par to %dx%d", from_par_n,
- from_par_d);
- gst_structure_fixate_field_nearest_fraction (outs, "pixel-aspect-ratio",
- from_par_n, from_par_d);
- }
+ gst_structure_get_int (ins, "width", &from_w);
+ gst_structure_get_int (ins, "height", &from_h);
- to_par_n = gst_value_get_fraction_numerator (to_par);
- to_par_d = gst_value_get_fraction_denominator (to_par);
+ gst_structure_get_int (outs, "width", &w);
+ gst_structure_get_int (outs, "height", &h);
+
+ /* if both width and height are already fixed, we can't do anything
+ * about it anymore */
+ if (w && h) {
+ guint n, d;
- //f both width and height are already fixed, we can't do anything
- //about it anymore
- if (gst_structure_get_int (outs, "width", &w))
- ++count;
- if (gst_structure_get_int (outs, "height", &h))
- ++count;
- if (count == 2) {
GST_DEBUG_OBJECT (base, "dimensions already set to %dx%d, not fixating",
w, h);
- return;
+ if (!gst_value_is_fixed (to_par)) {
+ if (gst_video_calculate_display_ratio (&n, &d, from_w, from_h,
+ from_par_n, from_par_d, w, h)) {
+ GST_DEBUG_OBJECT (base, "fixating to_par to %dx%d", n, d);
+ if (gst_structure_has_field (outs, "pixel-aspect-ratio"))
+ gst_structure_fixate_field_nearest_fraction (outs,
+ "pixel-aspect-ratio", n, d);
+ else if (n != d)
+ gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
+ n, d, NULL);
+ }
+ }
+ goto done;
}
- gst_structure_get_int (ins, "width", &from_w);
- gst_structure_get_int (ins, "height", &from_h);
-
- if (!gst_video_calculate_display_ratio (&num, &den, from_w, from_h,
- from_par_n, from_par_d, to_par_n, to_par_d)) {
+ /* Calculate input DAR */
+ if (!gst_util_fraction_multiply (from_w, from_h, from_par_n, from_par_d,
+ &from_dar_n, &from_dar_d)) {
GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL),
("Error calculating the output scaled size - integer overflow"));
- return;
+ goto done;
}
- GST_DEBUG_OBJECT (base,
- "scaling input with %dx%d and PAR %d/%d to output PAR %d/%d",
- from_w, from_h, from_par_n, from_par_d, to_par_n, to_par_d);
- GST_DEBUG_OBJECT (base, "resulting output should respect ratio of %d/%d",
- num, den);
-
- //now find a width x height that respects this display ratio.
- //prefer those that have one of w/h the same as the incoming video
- //using wd / hd = num / den
+ GST_DEBUG_OBJECT (base, "Input DAR is %d/%d", from_dar_n, from_dar_d);
- //if one of the output width or height is fixed, we work from there
+ /* If either width or height are fixed there's not much we
+ * can do either except choosing a height or width and PAR
+ * that matches the DAR as good as possible
+ */
if (h) {
- GST_DEBUG_OBJECT (base, "height is fixed,scaling width");
+ GstStructure *tmp;
+ gint set_w, set_par_n, set_par_d;
+
+ GST_DEBUG_OBJECT (base, "height is fixed (%d)", h);
+
+ /* If the PAR is fixed too, there's not much to do
+ * except choosing the width that is nearest to the
+ * width with the same DAR */
+ if (gst_value_is_fixed (to_par)) {
+ to_par_n = gst_value_get_fraction_numerator (to_par);
+ to_par_d = gst_value_get_fraction_denominator (to_par);
+
+ GST_DEBUG_OBJECT (base, "PAR is fixed %d/%d", to_par_n, to_par_d);
+
+ if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, to_par_d,
+ to_par_n, &num, &den)) {
+ GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL),
+ ("Error calculating the output scaled size - integer overflow"));
+ goto done;
+ }
+
+ w = (guint) gst_util_uint64_scale_int (h, num, den);
+ gst_structure_fixate_field_nearest_int (outs, "width", w);
+
+ goto done;
+ }
+
+ /* The PAR is not fixed and it's quite likely that we can set
+ * an arbitrary PAR. */
+
+ /* Check if we can keep the input width */
+ tmp = gst_structure_copy (outs);
+ gst_structure_fixate_field_nearest_int (tmp, "width", from_w);
+ gst_structure_get_int (tmp, "width", &set_w);
+
+ /* Might have failed but try to keep the DAR nonetheless by
+ * adjusting the PAR */
+ if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, h, set_w,
+ &to_par_n, &to_par_d)) {
+ GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL),
+ ("Error calculating the output scaled size - integer overflow"));
+ gst_structure_free (tmp);
+ goto done;
+ }
+
+ if (!gst_structure_has_field (tmp, "pixel-aspect-ratio"))
+ gst_structure_set_value (tmp, "pixel-aspect-ratio", to_par);
+ gst_structure_fixate_field_nearest_fraction (tmp, "pixel-aspect-ratio",
+ to_par_n, to_par_d);
+ gst_structure_get_fraction (tmp, "pixel-aspect-ratio", &set_par_n,
+ &set_par_d);
+ gst_structure_free (tmp);
+
+ /* Check if the adjusted PAR is accepted */
+ if (set_par_n == to_par_n && set_par_d == to_par_d) {
+ if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
+ set_par_n != set_par_d)
+ gst_structure_set (outs, "width", G_TYPE_INT, set_w,
+ "pixel-aspect-ratio", GST_TYPE_FRACTION, set_par_n, set_par_d,
+ NULL);
+ goto done;
+ }
+
+ /* Otherwise scale the width to the new PAR and check if the
+ * adjusted with is accepted. If all that fails we can't keep
+ * the DAR */
+ if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_par_d,
+ set_par_n, &num, &den)) {
+ GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL),
+ ("Error calculating the output scaled size - integer overflow"));
+ goto done;
+ }
+
w = (guint) gst_util_uint64_scale_int (h, num, den);
+ gst_structure_fixate_field_nearest_int (outs, "width", w);
+ if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
+ set_par_n != set_par_d)
+ gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
+ set_par_n, set_par_d, NULL);
+
+ goto done;
} else if (w) {
- GST_DEBUG_OBJECT (base, "width is fixed, scaling height");
+ GstStructure *tmp;
+ gint set_h, set_par_n, set_par_d;
+
+ GST_DEBUG_OBJECT (base, "width is fixed (%d)", w);
+
+ /* If the PAR is fixed too, there's not much to do
+ * except choosing the height that is nearest to the
+ * height with the same DAR */
+ if (gst_value_is_fixed (to_par)) {
+ to_par_n = gst_value_get_fraction_numerator (to_par);
+ to_par_d = gst_value_get_fraction_denominator (to_par);
+
+ GST_DEBUG_OBJECT (base, "PAR is fixed %d/%d", to_par_n, to_par_d);
+
+ if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, to_par_d,
+ to_par_n, &num, &den)) {
+ GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL),
+ ("Error calculating the output scaled size - integer overflow"));
+ goto done;
+ }
+
+ h = (guint) gst_util_uint64_scale_int (w, den, num);
+ gst_structure_fixate_field_nearest_int (outs, "height", h);
+
+ goto done;
+ }
+
+ /* The PAR is not fixed and it's quite likely that we can set
+ * an arbitrary PAR. */
+
+ /* Check if we can keep the input height */
+ tmp = gst_structure_copy (outs);
+ gst_structure_fixate_field_nearest_int (tmp, "height", from_h);
+ gst_structure_get_int (tmp, "height", &set_h);
+
+ /* Might have failed but try to keep the DAR nonetheless by
+ * adjusting the PAR */
+ if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_h, w,
+ &to_par_n, &to_par_d)) {
+ GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL),
+ ("Error calculating the output scaled size - integer overflow"));
+ gst_structure_free (tmp);
+ goto done;
+ }
+ if (!gst_structure_has_field (tmp, "pixel-aspect-ratio"))
+ gst_structure_set_value (tmp, "pixel-aspect-ratio", to_par);
+ gst_structure_fixate_field_nearest_fraction (tmp, "pixel-aspect-ratio",
+ to_par_n, to_par_d);
+ gst_structure_get_fraction (tmp, "pixel-aspect-ratio", &set_par_n,
+ &set_par_d);
+ gst_structure_free (tmp);
+
+ /* Check if the adjusted PAR is accepted */
+ if (set_par_n == to_par_n && set_par_d == to_par_d) {
+ if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
+ set_par_n != set_par_d)
+ gst_structure_set (outs, "height", G_TYPE_INT, set_h,
+ "pixel-aspect-ratio", GST_TYPE_FRACTION, set_par_n, set_par_d,
+ NULL);
+ goto done;
+ }
+
+ /* Otherwise scale the height to the new PAR and check if the
+ * adjusted with is accepted. If all that fails we can't keep
+ * the DAR */
+ if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_par_d,
+ set_par_n, &num, &den)) {
+ GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL),
+ ("Error calculating the output scaled size - integer overflow"));
+ goto done;
+ }
+
h = (guint) gst_util_uint64_scale_int (w, den, num);
+ gst_structure_fixate_field_nearest_int (outs, "height", h);
+ if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
+ set_par_n != set_par_d)
+ gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
+ set_par_n, set_par_d, NULL);
+
+ goto done;
+ } else if (gst_value_is_fixed (to_par)) {
+ GstStructure *tmp;
+ gint set_h, set_w, f_h, f_w;
+
+ to_par_n = gst_value_get_fraction_numerator (to_par);
+ to_par_d = gst_value_get_fraction_denominator (to_par);
+
+ /* Calculate scale factor for the PAR change */
+ if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, to_par_n,
+ to_par_d, &num, &den)) {
+ GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL),
+ ("Error calculating the output scaled size - integer overflow"));
+ goto done;
+ }
+
+ /* Try to keep the input height (because of interlacing) */
+ tmp = gst_structure_copy (outs);
+ gst_structure_fixate_field_nearest_int (tmp, "height", from_h);
+ gst_structure_get_int (tmp, "height", &set_h);
+
+ /* This might have failed but try to scale the width
+ * to keep the DAR nonetheless */
+ w = (guint) gst_util_uint64_scale_int (set_h, num, den);
+ gst_structure_fixate_field_nearest_int (tmp, "width", w);
+ gst_structure_get_int (tmp, "width", &set_w);
+ gst_structure_free (tmp);
+
+ /* We kept the DAR and the height is nearest to the original height */
+ if (set_w == w) {
+ gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height",
+ G_TYPE_INT, set_h, NULL);
+ goto done;
+ }
+
+ f_h = set_h;
+ f_w = set_w;
+
+ /* If the former failed, try to keep the input width at least */
+ tmp = gst_structure_copy (outs);
+ gst_structure_fixate_field_nearest_int (tmp, "width", from_w);
+ gst_structure_get_int (tmp, "width", &set_w);
+
+ /* This might have failed but try to scale the width
+ * to keep the DAR nonetheless */
+ h = (guint) gst_util_uint64_scale_int (set_w, den, num);
+ gst_structure_fixate_field_nearest_int (tmp, "height", h);
+ gst_structure_get_int (tmp, "height", &set_h);
+ gst_structure_free (tmp);
+
+ /* We kept the DAR and the width is nearest to the original width */
+ if (set_h == h) {
+ gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height",
+ G_TYPE_INT, set_h, NULL);
+ goto done;
+ }
+
+ /* If all this failed, keep the height that was nearest to the orignal
+ * height and the nearest possible width. This changes the DAR but
+ * there's not much else to do here.
+ */
+ gst_structure_set (outs, "width", G_TYPE_INT, f_w, "height", G_TYPE_INT,
+ f_h, NULL);
+ goto done;
} else {
- //none of width or height is fixed, figure out both of them based only on
- //the input width and height
- //check hd / den is an integer scale factor, and scale wd with the PAR
- if (from_h % den == 0) {
- GST_DEBUG_OBJECT (base, "keeping video height");
- h = from_h;
- w = (guint) gst_util_uint64_scale_int (h, num, den);
- } else if (from_w % num == 0) {
- GST_DEBUG_OBJECT (base, "keeping video width");
- w = from_w;
- h = (guint) gst_util_uint64_scale_int (w, den, num);
- } else {
- GST_DEBUG_OBJECT (base, "approximating but keeping video height");
- h = from_h;
- w = (guint) gst_util_uint64_scale_int (h, num, den);
+ GstStructure *tmp;
+ gint set_h, set_w, set_par_n, set_par_d, tmp2;
+
+ /* width, height and PAR are not fixed but passthrough is not possible */
+
+ /* First try to keep the height and width as good as possible
+ * and scale PAR */
+ tmp = gst_structure_copy (outs);
+ gst_structure_fixate_field_nearest_int (tmp, "height", from_h);
+ gst_structure_get_int (tmp, "height", &set_h);
+ gst_structure_fixate_field_nearest_int (tmp, "width", from_w);
+ gst_structure_get_int (tmp, "width", &set_w);
+
+ if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_h, set_w,
+ &to_par_n, &to_par_d)) {
+ GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL),
+ ("Error calculating the output scaled size - integer overflow"));
+ goto done;
}
- }
- GST_DEBUG_OBJECT (base, "scaling to %dx%d", w, h);
- //now fixate
- gst_structure_fixate_field_nearest_int (outs, "width", w);
- gst_structure_fixate_field_nearest_int (outs, "height", h);
- } else {
- gint width, height;
+ if (!gst_structure_has_field (tmp, "pixel-aspect-ratio"))
+ gst_structure_set_value (tmp, "pixel-aspect-ratio", to_par);
+ gst_structure_fixate_field_nearest_fraction (tmp, "pixel-aspect-ratio",
+ to_par_n, to_par_d);
+ gst_structure_get_fraction (tmp, "pixel-aspect-ratio", &set_par_n,
+ &set_par_d);
+ gst_structure_free (tmp);
+
+ if (set_par_n == to_par_n && set_par_d == to_par_d) {
+ gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height",
+ G_TYPE_INT, set_h, NULL);
+
+ if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
+ set_par_n != set_par_d)
+ gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
+ set_par_n, set_par_d, NULL);
+ goto done;
+ }
- if (gst_structure_get_int (ins, "width", &width)) {
- if (gst_structure_has_field (outs, "width"))
- gst_structure_fixate_field_nearest_int (outs, "width", width);
- }
- if (gst_structure_get_int (ins, "height", &height)) {
- if (gst_structure_has_field (outs, "height")) {
- gst_structure_fixate_field_nearest_int (outs, "height", height);
+ /* Otherwise try to scale width to keep the DAR with the set
+ * PAR and height */
+ if (!gst_util_fraction_multiply (from_dar_n, from_dar_d, set_par_d,
+ set_par_n, &num, &den)) {
+ GST_ELEMENT_ERROR (base, CORE, NEGOTIATION, (NULL),
+ ("Error calculating the output scaled size - integer overflow"));
+ goto done;
}
+
+ w = (guint) gst_util_uint64_scale_int (set_h, num, den);
+ tmp = gst_structure_copy (outs);
+ gst_structure_fixate_field_nearest_int (tmp, "width", w);
+ gst_structure_get_int (tmp, "width", &tmp2);
+ gst_structure_free (tmp);
+
+ if (tmp2 == w) {
+ gst_structure_set (outs, "width", G_TYPE_INT, tmp2, "height",
+ G_TYPE_INT, set_h, NULL);
+ if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
+ set_par_n != set_par_d)
+ gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
+ set_par_n, set_par_d, NULL);
+ goto done;
+ }
+
+ /* ... or try the same with the height */
+ h = (guint) gst_util_uint64_scale_int (set_w, den, num);
+ tmp = gst_structure_copy (outs);
+ gst_structure_fixate_field_nearest_int (tmp, "height", h);
+ gst_structure_get_int (tmp, "height", &tmp2);
+ gst_structure_free (tmp);
+
+ if (tmp2 == h) {
+ gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height",
+ G_TYPE_INT, tmp2, NULL);
+ if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
+ set_par_n != set_par_d)
+ gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
+ set_par_n, set_par_d, NULL);
+ goto done;
+ }
+
+ /* If all fails we can't keep the DAR and take the nearest values
+ * for everything from the first try */
+ gst_structure_set (outs, "width", G_TYPE_INT, set_w, "height",
+ G_TYPE_INT, set_h, NULL);
+ if (gst_structure_has_field (outs, "pixel-aspect-ratio") ||
+ set_par_n != set_par_d)
+ gst_structure_set (outs, "pixel-aspect-ratio", GST_TYPE_FRACTION,
+ set_par_n, set_par_d, NULL);
}
}
+done:
GST_DEBUG_OBJECT (base, "fixated othercaps to %" GST_PTR_FORMAT, othercaps);
+
+ if (from_par == &fpar)
+ g_value_unset (&fpar);
+ if (to_par == &tpar)
+ g_value_unset (&tpar);
+
+ return othercaps;
}
static gboolean
gst_gl_colorscale_set_caps (GstBaseTransform * bt, GstCaps * incaps,
GstCaps * outcaps)
{
- GstGLColorscale *colorscale = GST_GL_COLORSCALE (bt);
- gboolean ret = FALSE;
+ GstGLColorscale *colorscale;
+ GstVideoInfo in_vinfo, out_vinfo;
+ gboolean ret;
GST_DEBUG ("called with %" GST_PTR_FORMAT, incaps);
- ret = gst_video_format_parse_caps (outcaps, &colorscale->output_video_format,
- &colorscale->output_video_width, &colorscale->output_video_height);
+ ret = FALSE;
+ colorscale = GST_GL_COLORSCALE (bt);
- ret |= gst_video_format_parse_caps (incaps, &colorscale->input_video_format,
- &colorscale->input_video_width, &colorscale->input_video_height);
+ ret = gst_video_info_from_caps (&out_vinfo, outcaps);
+ ret |= gst_video_info_from_caps (&in_vinfo, incaps);
if (!ret) {
GST_DEBUG ("bad caps");
return FALSE;
}
+ colorscale->output_video_format = GST_VIDEO_INFO_FORMAT (&out_vinfo);
+ colorscale->output_video_width = GST_VIDEO_INFO_WIDTH (&out_vinfo);
+ colorscale->output_video_height = GST_VIDEO_INFO_HEIGHT (&out_vinfo);
+
+ colorscale->input_video_format = GST_VIDEO_INFO_FORMAT (&in_vinfo);
+ colorscale->input_video_width = GST_VIDEO_INFO_WIDTH (&in_vinfo);
+ colorscale->input_video_height = GST_VIDEO_INFO_HEIGHT (&in_vinfo);
+
colorscale->display = gst_gl_display_new ();
//init unvisible opengl context
static gboolean
gst_gl_colorscale_get_unit_size (GstBaseTransform * trans, GstCaps * caps,
- guint * size)
+ gsize * size)
{
- gboolean ret;
- GstStructure *structure;
- gint width;
- gint height;
+ GstVideoInfo vinfo;
- structure = gst_caps_get_structure (caps, 0);
- if (gst_structure_has_name (structure, "video/x-raw-gl")) {
- ret = gst_gl_buffer_parse_caps (caps, &width, &height);
- if (ret)
- *size = gst_gl_buffer_get_size (width, height);
- } else {
- GstVideoFormat video_format;
-
- ret = gst_video_format_parse_caps (caps, &video_format, &width, &height);
- if (ret)
- *size = gst_video_format_get_size (video_format, width, height);
+ if (gst_video_info_from_caps (&vinfo, caps)) {
+ *size = GST_VIDEO_INFO_SIZE (&vinfo);
}
return TRUE;
gst_gl_colorscale_transform (GstBaseTransform * trans, GstBuffer * inbuf,
GstBuffer * outbuf)
{
- GstGLColorscale *colorscale = GST_GL_COLORSCALE (trans);
- gboolean isAlive = TRUE;
+ /*GstGLColorscale *colorscale; */
+ gboolean ok;
+
+ /*colorscale = GST_GL_COLORSCALE (trans); */
+ ok = TRUE;
- //blocking call
- GstGLBuffer *gl_temp_buffer = gst_gl_buffer_new (colorscale->display,
- colorscale->output_video_width, colorscale->output_video_height);
+ /* FIXME: implement using GstGLMeta */
+ /*//blocking call
+ GstGLBuffer *gl_temp_buffer = gst_gl_buffer_new (colorscale->display,
+ colorscale->output_video_width, colorscale->output_video_height);
- GST_DEBUG ("input size %p size %d",
- GST_BUFFER_DATA (inbuf), GST_BUFFER_SIZE (inbuf));
+ GST_DEBUG ("input size %p size %d",
+ GST_BUFFER_DATA (inbuf), GST_BUFFER_SIZE (inbuf));
- //blocking call
- isAlive =
- gst_gl_display_do_upload (colorscale->display, gl_temp_buffer->texture,
- colorscale->input_video_width, colorscale->input_video_height,
- GST_BUFFER_DATA (inbuf));
+ //blocking call
+ ok =
+ gst_gl_display_do_upload (colorscale->display, gl_temp_buffer->texture,
+ colorscale->input_video_width, colorscale->input_video_height,
+ GST_BUFFER_DATA (inbuf));
- GST_DEBUG ("output size %p size %d",
- GST_BUFFER_DATA (outbuf), GST_BUFFER_SIZE (outbuf));
+ GST_DEBUG ("output size %p size %d",
+ GST_BUFFER_DATA (outbuf), GST_BUFFER_SIZE (outbuf));
- //blocking call
- isAlive &=
- gst_gl_display_do_download (colorscale->display, gl_temp_buffer->texture,
- gl_temp_buffer->width, gl_temp_buffer->height, GST_BUFFER_DATA (outbuf));
+ //blocking call
+ ok &=
+ gst_gl_display_do_download (colorscale->display, gl_temp_buffer->texture,
+ gl_temp_buffer->width, gl_temp_buffer->height, GST_BUFFER_DATA (outbuf));
- gst_buffer_unref (GST_BUFFER_CAST (gl_temp_buffer));
+ gst_buffer_unref (GST_BUFFER_CAST (gl_temp_buffer));
+ */
- if (isAlive)
+ if (ok)
return GST_FLOW_OK;
else
- return GST_FLOW_UNEXPECTED;
+ return GST_FLOW_EOS;
}
projects / platform / upstream / gstreamer.git / commitdiff