/**
* gst_vaapi_profile_get_caps:
* @profile: a #GstVaapiProfile
*
* Converts a #GstVaapiProfile into the corresponding #GstCaps. If no
* matching caps were found, %NULL is returned.
*
* Return value: the newly allocated #GstCaps, or %NULL if none was found
*/
GstCaps *
gst_vaapi_profile_get_caps(GstVaapiProfile profile)
{
const GstVaapiProfileMap *m;
GstCaps *out_caps, *caps;
out_caps = gst_caps_new_empty();
if (!out_caps)
return NULL;
for (m = gst_vaapi_profiles; m->profile; m++) {
if (m->profile != profile)
continue;
caps = gst_caps_from_string(m->media_str);
if (!caps)
continue;
gst_caps_set_simple(
caps,
"profile", G_TYPE_STRING, m->profile_str,
NULL
);
out_caps = gst_caps_merge(out_caps, caps);
}
return out_caps;
}
static GstCaps *
gst_visual_gl_getcaps (GstPad * pad)
{
GstCaps *ret;
GstVisualGL *visual = GST_VISUAL_GL (gst_pad_get_parent (pad));
int depths;
if (!visual->actor) {
ret = gst_caps_copy (gst_pad_get_pad_template_caps (visual->srcpad));
goto beach;
}
ret = gst_caps_new_empty ();
depths = visual_actor_get_supported_depth (visual->actor);
if (depths < 0) {
/* FIXME: set an error */
goto beach;
}
if ((depths & VISUAL_VIDEO_DEPTH_GL) == 0) {
/* We don't handle non-GL plugins */
goto beach;
}
GST_DEBUG_OBJECT (visual, "libvisual-gl plugin supports depths %u (0x%04x)",
depths, depths);
/* only do GL output */
gst_caps_append (ret, gst_caps_from_string (GST_GL_VIDEO_CAPS));
beach:
GST_DEBUG_OBJECT (visual, "returning caps %" GST_PTR_FORMAT, ret);
gst_object_unref (visual);
return ret;
}
static gboolean
sink_setcaps(GstPad *pad,
GstCaps *caps)
{
GstDspVpp *self;
GstDspBase *base;
GstCaps *out_caps;
gboolean ret;
self = GST_DSP_VPP(GST_PAD_PARENT(pad));
base = GST_DSP_BASE(self);
{
gchar *str = gst_caps_to_string(caps);
pr_info(self, "sink caps: %s", str);
g_free(str);
}
base->codec = &td_vpp_codec;
du_port_alloc_buffers(base->ports[0], 4);
du_port_alloc_buffers(base->ports[1], 4);
out_caps = gst_caps_new_empty();
configure_caps(self, caps, out_caps);
base->tmp_caps = out_caps;
ret = gst_pad_set_caps(pad, caps);
if (!ret)
return FALSE;
return TRUE;
}
static GstCaps *
generate_sink_template(void)
{
GstCaps *caps, *templ;
struct size {
int width;
int height;
} sizes[] = {
{ 352, 288 },
{ 704, 576 },
{ 176, 144 },
{ 128, 96 },
};
caps = gst_caps_new_empty();
templ = gst_caps_new_simple("video/x-raw-yuv",
"format", GST_TYPE_FOURCC, GST_MAKE_FOURCC('I', '4', '2', '0'),
"pixel-aspect-ratio", GST_TYPE_FRACTION, 12, 11,
NULL);
for (unsigned i = 0; i < ARRAY_SIZE(sizes); i++) {
GstCaps *tmp;
tmp = gst_caps_copy(templ);
gst_caps_set_simple(tmp,
"width", G_TYPE_INT, sizes[i].width,
"height", G_TYPE_INT, sizes[i].height,
NULL);
gst_caps_append(caps, tmp);
}
gst_caps_unref(templ);
return caps;
}
/*
* cheese_camera_device_filter_caps:
* @device: the #CheeseCameraDevice
* @caps: the #GstCaps that the device supports
* @formats: an array of strings of video formats, in the form axb, where a and
* b are in units of pixels
*
* Filter the supplied @caps with %CHEESE_MAXIMUM_RATE to only allow @formats
* which can reach the desired framerate.
*
* Returns: the filtered #GstCaps
*/
static GstCaps *
cheese_camera_device_filter_caps (CheeseCameraDevice *device,
GstCaps *caps,
const gchar const *formats[])
{
GstCaps *filter;
GstCaps *allowed;
gsize i;
filter = gst_caps_new_empty ();
for (i = 0; formats[i] != NULL; i++)
{
gst_caps_append (filter,
gst_caps_new_simple (formats[i],
"framerate", GST_TYPE_FRACTION_RANGE,
0, 1, CHEESE_MAXIMUM_RATE, 1,
NULL));
}
allowed = gst_caps_intersect (caps, filter);
GST_DEBUG ("Supported caps %" GST_PTR_FORMAT, caps);
GST_DEBUG ("Filter caps %" GST_PTR_FORMAT, filter);
GST_DEBUG ("Filtered caps %" GST_PTR_FORMAT, allowed);
gst_caps_unref (filter);
return allowed;
}
static GstCaps *
gst_v4l2src_get_caps (GstBaseSrc * src, GstCaps * filter)
{
GstV4l2Src *v4l2src;
GstV4l2Object *obj;
GstCaps *ret;
GSList *walk;
GSList *formats;
v4l2src = GST_V4L2SRC (src);
obj = v4l2src->v4l2object;
if (!GST_V4L2_IS_OPEN (obj)) {
return gst_pad_get_pad_template_caps (GST_BASE_SRC_PAD (v4l2src));
}
if (v4l2src->probed_caps)
return gst_caps_ref (v4l2src->probed_caps);
formats = gst_v4l2_object_get_format_list (obj);
ret = gst_caps_new_empty ();
for (walk = formats; walk; walk = walk->next) {
struct v4l2_fmtdesc *format;
GstStructure *template;
static GstCaps *
gst_fdkaacenc_get_caps (GstAudioEncoder * enc, GstCaps * filter)
{
GstCaps *res, *caps;
gint i;
caps = gst_caps_new_empty ();
for (i = 0; i < G_N_ELEMENTS (channel_layouts); i++) {
guint64 channel_mask;
GstCaps *tmp =
gst_caps_make_writable (gst_pad_get_pad_template_caps
(GST_AUDIO_ENCODER_SINK_PAD (enc)));
if (channel_layouts[i].channels == 1) {
gst_caps_set_simple (tmp, "channels", G_TYPE_INT,
channel_layouts[i].channels, NULL);
} else {
gst_audio_channel_positions_to_mask (channel_layouts[i].positions,
channel_layouts[i].channels, FALSE, &channel_mask);
gst_caps_set_simple (tmp, "channels", G_TYPE_INT,
channel_layouts[i].channels, "channel-mask", GST_TYPE_BITMASK,
channel_mask, NULL);
}
gst_caps_append (caps, tmp);
}
res = gst_audio_encoder_proxy_getcaps (enc, caps, filter);
gst_caps_unref (caps);
return res;
}
/* copies the given caps */
static GstCaps *
gst_yuv_to_rgb_caps_remove_format_info (GstCaps * caps)
{
GstStructure *st;
gint i, n;
GstCaps *res;
res = gst_caps_new_empty ();
n = gst_caps_get_size (caps);
for (i = 0; i < n; i++) {
st = gst_caps_get_structure (caps, i);
/* If this is already expressed by the existing caps
* skip this structure */
if (i > 0 && gst_caps_is_subset_structure (res, st))
continue;
st = gst_structure_copy (st);
gst_structure_remove_fields (st, "format",
"colorimetry", "chroma-site", NULL);
gst_caps_append_structure (res, st);
}
return res;
}
/* copies the given caps */
static GstCaps *
gst_gl_mixer_caps_remove_format_info (GstCaps * caps)
{
GstStructure *st;
GstCapsFeatures *f;
gint i, n;
GstCaps *res;
res = gst_caps_new_empty ();
n = gst_caps_get_size (caps);
for (i = 0; i < n; i++) {
st = gst_caps_get_structure (caps, i);
f = gst_caps_get_features (caps, i);
/* If this is already expressed by the existing caps
* skip this structure */
if (i > 0 && gst_caps_is_subset_structure_full (res, st, f))
continue;
st = gst_structure_copy (st);
/* Only remove format info for the cases when we can actually convert */
if (!gst_caps_features_is_any (f)
&& gst_caps_features_is_equal (f,
GST_CAPS_FEATURES_MEMORY_SYSTEM_MEMORY))
gst_structure_remove_fields (st, "format", "colorimetry", "chroma-site",
NULL);
gst_structure_remove_fields (st, "width", "height", NULL);
gst_caps_append_structure_full (res, st, gst_caps_features_copy (f));
}
return res;
}
static GstCaps *
gst_vaapidecode_sink_getcaps (GstVideoDecoder * vdec, GstCaps * filter)
{
GstVaapiDecode *const decode = GST_VAAPIDECODE (vdec);
GstCaps *result;
if (decode->allowed_sinkpad_caps)
goto bail;
/* if we haven't a display yet, return our pad's template caps */
if (!GST_VAAPI_PLUGIN_BASE_DISPLAY (decode))
goto bail;
/* if the allowed caps calculation fails, return an empty caps, so
* the auto-plug can try other decoder */
if (!gst_vaapidecode_ensure_allowed_sinkpad_caps (decode))
return gst_caps_new_empty ();
bail:
result = gst_video_decoder_proxy_getcaps (vdec, decode->allowed_sinkpad_caps,
filter);
GST_DEBUG_OBJECT (decode, "Returning sink caps %" GST_PTR_FORMAT, result);
return result;
}
GstCaps *
gst_opencv_caps_from_cv_image_type (int cv_type)
{
GstCaps *c = gst_caps_new_empty ();
switch (cv_type) {
case CV_8UC1:
gst_caps_append (c, gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("GRAY8")));
break;
case CV_8UC3:
gst_caps_append (c, gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("RGB")));
gst_caps_append (c, gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("BGR")));
break;
case CV_8UC4:
gst_caps_append (c, gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("RGBx")));
gst_caps_append (c, gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("xRGB")));
gst_caps_append (c, gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("BGRx")));
gst_caps_append (c, gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("xBGR")));
gst_caps_append (c, gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("RGBA")));
gst_caps_append (c, gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("ARGB")));
gst_caps_append (c, gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("BGRA")));
gst_caps_append (c, gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("ABGR")));
break;
case CV_16UC1:
gst_caps_append (c,
gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("GRAY16_LE")));
gst_caps_append (c,
gst_caps_from_string (GST_VIDEO_CAPS_MAKE ("GRAY16_BE")));
break;
}
return c;
}
static void
gst_sdlvideosink_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
GstCaps *capslist;
gint i;
guint32 formats[] = {
GST_MAKE_FOURCC ('I', '4', '2', '0'),
GST_MAKE_FOURCC ('Y', 'V', '1', '2'),
GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'),
GST_MAKE_FOURCC ('Y', 'V', 'Y', 'U'),
GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y')
};
/* make a list of all available caps */
capslist = gst_caps_new_empty ();
for (i = 0; i < G_N_ELEMENTS (formats); i++) {
gst_caps_append_structure (capslist,
gst_structure_new ("video/x-raw-yuv",
"format", GST_TYPE_FOURCC, formats[i],
"width", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"height", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, 100, 1, NULL));
}
sink_template = gst_pad_template_new ("sink",
GST_PAD_SINK, GST_PAD_ALWAYS, capslist);
gst_element_class_add_pad_template (element_class, sink_template);
gst_element_class_set_static_metadata (element_class, "SDL video sink",
"Sink/Video", "An SDL-based videosink",
"Ronald Bultje <*****@*****.**>, "
"Edgard Lima <*****@*****.**>, "
"Jan Schmidt <*****@*****.**>");
}
static GstCaps *
gst_v4l2src_get_all_caps (void)
{
static GstCaps *caps = NULL;
if (caps == NULL) {
GstStructure *structure;
guint i;
caps = gst_caps_new_empty ();
for (i = 0; i < GST_V4L2_FORMAT_COUNT; i++) {
structure = gst_v4l2src_v4l2fourcc_to_structure (gst_v4l2_formats[i]);
if (structure) {
gst_structure_set (structure,
"width", GST_TYPE_INT_RANGE, 1, GST_V4L2_MAX_SIZE,
"height", GST_TYPE_INT_RANGE, 1, GST_V4L2_MAX_SIZE,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, 100, 1, NULL);
gst_caps_append_structure (caps, structure);
}
}
}
return caps;
}
static GstCaps *
gst_v4l2sink_get_caps (GstBaseSink * bsink)
{
GstV4l2Sink *v4l2sink = GST_V4L2SINK (bsink);
GstCaps *ret;
GSList *walk;
GSList *formats;
if (!GST_V4L2_IS_OPEN (v4l2sink->v4l2object)) {
/* FIXME: copy? */
GST_DEBUG_OBJECT (v4l2sink, "device is not open");
return gst_caps_copy (gst_pad_get_pad_template_caps (
GST_BASE_SINK_PAD (v4l2sink)));
}
if (v4l2sink->probed_caps) {
LOG_CAPS (v4l2sink, v4l2sink->probed_caps);
return gst_caps_ref (v4l2sink->probed_caps);
}
formats = gst_v4l2_object_get_format_list (v4l2sink->v4l2object);
ret = gst_caps_new_empty ();
for (walk = v4l2sink->v4l2object->formats; walk; walk = walk->next) {
struct v4l2_fmtdesc *format;
GstStructure *template;
static GstCaps *
gst_v4l2src_get_caps (GstBaseSrc * src)
{
GstV4l2Src *v4l2src = GST_V4L2SRC (src);
GstCaps *ret;
GSList *walk;
GSList *formats;
if (!GST_V4L2_IS_OPEN (v4l2src->v4l2object)) {
/* FIXME: copy? */
return
gst_caps_copy (gst_pad_get_pad_template_caps (GST_BASE_SRC_PAD
(v4l2src)));
}
if (v4l2src->probed_caps)
return gst_caps_ref (v4l2src->probed_caps);
formats = gst_v4l2_object_get_format_list (v4l2src->v4l2object);
ret = gst_caps_new_empty ();
for (walk = formats; walk; walk = walk->next) {
struct v4l2_fmtdesc *format;
GstStructure *template;
static GstCaps *
gst_gdk_pixbuf_get_capslist (void)
{
GSList *slist;
GSList *slist0;
GstCaps *capslist = NULL;
GstCaps *return_caps = NULL;
capslist = gst_caps_new_empty ();
slist0 = gdk_pixbuf_get_formats ();
for (slist = slist0; slist; slist = g_slist_next (slist)) {
GdkPixbufFormat *pixbuf_format;
char **mimetypes;
char **mimetype;
pixbuf_format = slist->data;
mimetypes = gdk_pixbuf_format_get_mime_types (pixbuf_format);
for (mimetype = mimetypes; *mimetype; mimetype++) {
gst_caps_append_structure (capslist, gst_structure_new (*mimetype, NULL));
}
g_strfreev (mimetypes);
}
g_slist_free (slist0);
return_caps = gst_caps_intersect (capslist,
gst_static_caps_get (&gst_gdk_pixbuf_sink_template.static_caps));
gst_caps_unref (capslist);
return return_caps;
}
GstCaps *
gst_gl_mixer_update_caps (GstGLMixer * mix, GstCaps * caps)
{
GstCaps *result = NULL;
GstCaps *glcaps = gst_gl_mixer_set_caps_features (caps,
GST_CAPS_FEATURE_MEMORY_GL_MEMORY);
#if GST_GL_HAVE_PLATFORM_EGL
GstCaps *eglcaps = gst_gl_mixer_set_caps_features (caps,
GST_CAPS_FEATURE_MEMORY_EGL_IMAGE);
#endif
GstCaps *uploadcaps = gst_gl_mixer_set_caps_features (caps,
GST_CAPS_FEATURE_META_GST_VIDEO_GL_TEXTURE_UPLOAD_META);
GstCaps *raw_caps =
gst_caps_from_string (GST_VIDEO_CAPS_MAKE (GST_GL_COLOR_CONVERT_FORMATS));
result = gst_caps_new_empty ();
result = gst_caps_merge (result, glcaps);
#if GST_GL_HAVE_PLATFORM_EGL
result = gst_caps_merge (result, eglcaps);
#endif
result = gst_caps_merge (result, uploadcaps);
result = gst_caps_merge (result, raw_caps);
result = gst_caps_merge (result, gst_gl_mixer_caps_remove_format_info (caps));
GST_DEBUG_OBJECT (mix, "returning %" GST_PTR_FORMAT, result);
return result;
}
GstCaps *
gst_opencv_caps_from_cv_image_type (int cv_type)
{
GstCaps *caps = gst_caps_new_empty ();
switch (cv_type) {
case CV_8UC1:
gst_caps_append (caps, gst_caps_from_string (GST_VIDEO_CAPS_GRAY8));
break;
case CV_8UC3:
gst_caps_append (caps, gst_caps_from_string (GST_VIDEO_CAPS_RGB));
gst_caps_append (caps, gst_caps_from_string (GST_VIDEO_CAPS_BGR));
break;
case CV_8UC4:
gst_caps_append (caps, gst_caps_from_string (GST_VIDEO_CAPS_RGBx));
gst_caps_append (caps, gst_caps_from_string (GST_VIDEO_CAPS_xRGB));
gst_caps_append (caps, gst_caps_from_string (GST_VIDEO_CAPS_BGRx));
gst_caps_append (caps, gst_caps_from_string (GST_VIDEO_CAPS_xBGR));
gst_caps_append (caps, gst_caps_from_string (GST_VIDEO_CAPS_RGBA));
gst_caps_append (caps, gst_caps_from_string (GST_VIDEO_CAPS_ARGB));
gst_caps_append (caps, gst_caps_from_string (GST_VIDEO_CAPS_BGRA));
gst_caps_append (caps, gst_caps_from_string (GST_VIDEO_CAPS_ABGR));
break;
case CV_16UC1:
gst_caps_append (caps,
gst_caps_from_string (GST_VIDEO_CAPS_GRAY16 ("1234")));
gst_caps_append (caps,
gst_caps_from_string (GST_VIDEO_CAPS_GRAY16 ("4321")));
break;
}
return caps;
}
/**
* gst_dvbsub_overlay_intersect_by_feature:
*
* Creates a new #GstCaps based on the following filtering rule.
*
* For each individual caps contained in given caps, if the
* caps uses the given caps feature, keep a version of the caps
* with the feature and an another one without. Otherwise, intersect
* the caps with the given filter.
*
* Returns: the new #GstCaps
*/
static GstCaps *
gst_dvbsub_overlay_intersect_by_feature (GstCaps * caps,
const gchar * feature, GstCaps * filter)
{
int i, caps_size;
GstCaps *new_caps;
new_caps = gst_caps_new_empty ();
caps_size = gst_caps_get_size (caps);
for (i = 0; i < caps_size; i++) {
GstStructure *caps_structure = gst_caps_get_structure (caps, i);
GstCapsFeatures *caps_features =
gst_caps_features_copy (gst_caps_get_features (caps, i));
GstCaps *filtered_caps;
GstCaps *simple_caps =
gst_caps_new_full (gst_structure_copy (caps_structure), NULL);
gst_caps_set_features (simple_caps, 0, caps_features);
if (gst_caps_features_contains (caps_features, feature)) {
gst_caps_append (new_caps, gst_caps_copy (simple_caps));
gst_caps_features_remove (caps_features, feature);
filtered_caps = gst_caps_ref (simple_caps);
} else {
filtered_caps = gst_caps_intersect_full (simple_caps, filter,
GST_CAPS_INTERSECT_FIRST);
}
gst_caps_unref (simple_caps);
gst_caps_append (new_caps, filtered_caps);
}
return new_caps;
}
static GstCaps *
gst_alsa_detect_formats (GstObject * obj, snd_pcm_hw_params_t * hw_params,
GstCaps * in_caps)
{
snd_pcm_format_mask_t *mask;
GstStructure *s;
GstCaps *caps;
gint i;
snd_pcm_format_mask_malloc (&mask);
snd_pcm_hw_params_get_format_mask (hw_params, mask);
caps = gst_caps_new_empty ();
for (i = 0; i < gst_caps_get_size (in_caps); ++i) {
GstStructure *scopy;
gint w, width = 0, depth = 0;
s = gst_caps_get_structure (in_caps, i);
if (!gst_structure_has_name (s, "audio/x-raw-int")) {
GST_DEBUG_OBJECT (obj, "skipping non-int format");
continue;
}
if (!gst_structure_get_int (s, "width", &width) ||
!gst_structure_get_int (s, "depth", &depth))
continue;
if (width == 0 || (width % 8) != 0)
continue; /* Only full byte widths are valid */
for (w = 0; w < G_N_ELEMENTS (pcmformats); w++)
if (pcmformats[w].width == width && pcmformats[w].depth == depth)
break;
if (w == G_N_ELEMENTS (pcmformats))
continue; /* Unknown format */
if (snd_pcm_format_mask_test (mask, pcmformats[w].sformat) &&
snd_pcm_format_mask_test (mask, pcmformats[w].uformat)) {
/* template contains { true, false } or just one, leave it as it is */
scopy = gst_structure_copy (s);
} else if (snd_pcm_format_mask_test (mask, pcmformats[w].sformat)) {
scopy = gst_structure_copy (s);
gst_structure_set (scopy, "signed", G_TYPE_BOOLEAN, TRUE, NULL);
} else if (snd_pcm_format_mask_test (mask, pcmformats[w].uformat)) {
scopy = gst_structure_copy (s);
gst_structure_set (scopy, "signed", G_TYPE_BOOLEAN, FALSE, NULL);
} else {
scopy = NULL;
}
if (scopy) {
if (width > 8) {
/* TODO: proper endianness detection, for now it's CPU endianness only */
gst_structure_set (scopy, "endianness", G_TYPE_INT, G_BYTE_ORDER, NULL);
}
gst_caps_append_structure (caps, scopy);
}
}
snd_pcm_format_mask_free (mask);
gst_caps_unref (in_caps);
return caps;
}
static void
gst_sdlvideosink_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
GstCaps *capslist;
gint i;
guint32 formats[] = {
GST_MAKE_FOURCC ('I', '4', '2', '0'),
GST_MAKE_FOURCC ('Y', 'V', '1', '2'),
GST_MAKE_FOURCC ('Y', 'U', 'Y', '2')
/*
GST_MAKE_FOURCC ('Y', 'V', 'Y', 'U'),
GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y')
*/
};
/* make a list of all available caps */
capslist = gst_caps_new_empty ();
for (i = 0; i < G_N_ELEMENTS (formats); i++) {
gst_caps_append_structure (capslist,
gst_structure_new ("video/x-raw-yuv",
"format", GST_TYPE_FOURCC, formats[i],
"width", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"height", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, 100, 1, NULL));
}
sink_template = gst_pad_template_new ("sink",
GST_PAD_SINK, GST_PAD_ALWAYS, capslist);
gst_element_class_add_pad_template (element_class, sink_template);
gst_element_class_set_details (element_class, &gst_sdlvideosink_details);
}
static GstCaps *
generate_sink_template (void)
{
GstCaps *caps;
GstStructure *struc;
caps = gst_caps_new_empty ();
struc = gst_structure_new ("audio/x-iLBC", NULL);
{
GValue list;
GValue val;
list.g_type = val.g_type = 0;
g_value_init (&list, GST_TYPE_LIST);
g_value_init (&val, G_TYPE_INT);
g_value_set_int (&val, 20);
gst_value_list_append_value (&list, &val);
g_value_set_int (&val, 30);
gst_value_list_append_value (&list, &val);
gst_structure_set_value (struc, "mode", &list);
g_value_unset (&val);
g_value_unset (&list);
}
gst_caps_append_structure (caps, struc);
return caps;
}
static gboolean
gst_vaapidecode_ensure_allowed_caps(GstVaapiDecode *decode)
{
GstCaps *decode_caps;
guint i, n_decode_caps;
if (decode->allowed_caps)
return TRUE;
if (!gst_vaapidecode_ensure_display(decode))
goto error_no_display;
decode_caps = gst_vaapi_display_get_decode_caps(decode->display);
if (!decode_caps)
goto error_no_decode_caps;
n_decode_caps = gst_caps_get_size(decode_caps);
decode->allowed_caps = gst_caps_new_empty();
if (!decode->allowed_caps)
goto error_no_memory;
for (i = 0; i < n_decode_caps; i++) {
GstStructure *structure;
structure = gst_caps_get_structure(decode_caps, i);
if (!structure)
continue;
structure = gst_structure_copy(structure);
if (!structure)
continue;
gst_structure_remove_field(structure, "profile");
gst_structure_set(
structure,
"width", GST_TYPE_INT_RANGE, 1, G_MAXINT,
"height", GST_TYPE_INT_RANGE, 1, G_MAXINT,
NULL
);
gst_caps_merge_structure(decode->allowed_caps, structure);
}
gst_caps_unref(decode_caps);
return TRUE;
/* ERRORS */
error_no_display:
{
GST_DEBUG("failed to retrieve VA display");
return FALSE;
}
error_no_decode_caps:
{
GST_DEBUG("failed to retrieve VA decode caps");
return FALSE;
}
error_no_memory:
{
GST_DEBUG("failed to allocate allowed-caps set");
gst_caps_unref(decode_caps);
return FALSE;
}
}
static GstCaps *
theora_enc_getcaps (GstVideoEncoder * encoder, GstCaps * filter)
{
GstCaps *caps, *ret;
char *supported_formats, *caps_string;
supported_formats = theora_enc_get_supported_formats ();
if (!supported_formats) {
GST_WARNING ("no supported formats found. Encoder disabled?");
return gst_caps_new_empty ();
}
caps_string = g_strdup_printf ("video/x-raw, "
"format = (string) { %s }, "
"framerate = (fraction) [1/MAX, MAX], "
"width = (int) [ 1, MAX ], " "height = (int) [ 1, MAX ]",
supported_formats);
caps = gst_caps_from_string (caps_string);
g_free (caps_string);
g_free (supported_formats);
GST_DEBUG ("Supported caps: %" GST_PTR_FORMAT, caps);
ret = gst_video_encoder_proxy_getcaps (encoder, caps, filter);
gst_caps_unref (caps);
return ret;
}
GstCaps *
gst_vdp_video_buffer_get_allowed_yuv_caps (GstVdpDevice * device)
{
GstCaps *caps;
gint i;
caps = gst_caps_new_empty ();
for (i = 0; i < G_N_ELEMENTS (chroma_types); i++) {
VdpStatus status;
VdpBool is_supported;
guint32 max_w, max_h;
status =
device->vdp_video_surface_query_capabilities (device->device,
chroma_types[i], &is_supported, &max_w, &max_h);
if (status != VDP_STATUS_OK && status != VDP_STATUS_INVALID_CHROMA_TYPE) {
GST_ERROR_OBJECT (device,
"Could not get query VDPAU video surface capabilites, "
"Error returned from vdpau was: %s",
device->vdp_get_error_string (status));
goto error;
}
if (is_supported) {
gint j;
for (j = 0; j < G_N_ELEMENTS (formats); j++) {
if (formats[j].chroma_type != chroma_types[i])
continue;
status =
device->vdp_video_surface_query_ycbcr_capabilities (device->device,
formats[j].chroma_type, formats[j].format, &is_supported);
if (status != VDP_STATUS_OK
&& status != VDP_STATUS_INVALID_Y_CB_CR_FORMAT) {
GST_ERROR_OBJECT (device, "Could not query VDPAU YCbCr capabilites, "
"Error returned from vdpau was: %s",
device->vdp_get_error_string (status));
goto error;
}
if (is_supported) {
GstCaps *format_caps;
format_caps = gst_caps_new_simple ("video/x-raw-yuv",
"format", GST_TYPE_FOURCC, formats[j].fourcc,
"width", GST_TYPE_INT_RANGE, 1, max_w,
"height", GST_TYPE_INT_RANGE, 1, max_h, NULL);
gst_caps_append (caps, format_caps);
}
}
}
}
error:
return caps;
}
/**
* gst_encoding_profile_get_input_caps:
* @profile: a #GstEncodingProfile
*
* Computes the full output caps that this @profile will be able to consume.
*
* Returns: (transfer full): The full caps the given @profile can consume. Call
* gst_caps_unref() when you are done with the caps.
*/
GstCaps *
gst_encoding_profile_get_input_caps (GstEncodingProfile * profile)
{
GstCaps *out, *tmp;
GList *ltmp;
GstStructure *st, *outst;
GQuark out_name;
guint i, len;
GstCaps *fcaps;
g_return_val_if_fail (GST_IS_ENCODING_PROFILE (profile), NULL);
if (GST_IS_ENCODING_CONTAINER_PROFILE (profile)) {
GstCaps *res = gst_caps_new_empty ();
for (ltmp = GST_ENCODING_CONTAINER_PROFILE (profile)->encodingprofiles;
ltmp; ltmp = ltmp->next) {
GstEncodingProfile *sprof = (GstEncodingProfile *) ltmp->data;
res = gst_caps_merge (res, gst_encoding_profile_get_input_caps (sprof));
}
return res;
}
fcaps = profile->format;
/* fast-path */
if ((profile->restriction == NULL) || gst_caps_is_any (profile->restriction))
return gst_caps_ref (fcaps);
/* Combine the format with the restriction caps */
outst = gst_caps_get_structure (fcaps, 0);
out_name = gst_structure_get_name_id (outst);
tmp = gst_caps_new_empty ();
len = gst_caps_get_size (profile->restriction);
for (i = 0; i < len; i++) {
st = gst_structure_copy (gst_caps_get_structure (profile->restriction, i));
st->name = out_name;
gst_caps_append_structure (tmp, st);
}
out = gst_caps_intersect (tmp, fcaps);
gst_caps_unref (tmp);
return out;
}
static GstCaps *
gst_real_video_dec_getcaps (GstPad * pad)
{
GstRealVideoDec *dec = GST_REAL_VIDEO_DEC (GST_PAD_PARENT (pad));
GstCaps *res;
if (dec->checked_modules) {
GValue versions = { 0 };
GValue version = { 0 };
GST_LOG_OBJECT (dec, "constructing caps");
res = gst_caps_new_empty ();
g_value_init (&versions, GST_TYPE_LIST);
g_value_init (&version, G_TYPE_INT);
if (dec->valid_rv20) {
g_value_set_int (&version, GST_REAL_VIDEO_DEC_VERSION_2);
gst_value_list_append_value (&versions, &version);
}
if (dec->valid_rv30) {
g_value_set_int (&version, GST_REAL_VIDEO_DEC_VERSION_3);
gst_value_list_append_value (&versions, &version);
}
if (dec->valid_rv40) {
g_value_set_int (&version, GST_REAL_VIDEO_DEC_VERSION_4);
gst_value_list_append_value (&versions, &version);
}
if (gst_value_list_get_size (&versions) > 0) {
res = gst_caps_new_simple ("video/x-pn-realvideo", NULL);
gst_structure_set_value (gst_caps_get_structure (res, 0),
"rmversion", &versions);
} else {
res = gst_caps_new_empty ();
}
g_value_unset (&versions);
g_value_unset (&version);
} else {
GST_LOG_OBJECT (dec, "returning padtemplate caps");
res = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
}
GST_LOG_OBJECT (dec, "returning caps %" GST_PTR_FORMAT, res);
return res;
}
static void
cheese_camera_device_init (CheeseCameraDevice *device)
{
CheeseCameraDevicePrivate *priv = cheese_camera_device_get_instance_private (device);
priv->name = g_strdup (_("Unknown device"));
priv->caps = gst_caps_new_empty ();
}
static gboolean
gst_vaapidecode_ensure_allowed_sinkpad_caps (GstVaapiDecode * decode)
{
GstCaps *caps, *allowed_sinkpad_caps;
GArray *profiles;
guint i;
profiles =
gst_vaapi_display_get_decode_profiles (GST_VAAPI_PLUGIN_BASE_DISPLAY
(decode));
if (!profiles)
goto error_no_profiles;
allowed_sinkpad_caps = gst_caps_new_empty ();
if (!allowed_sinkpad_caps)
goto error_no_memory;
for (i = 0; i < profiles->len; i++) {
const GstVaapiProfile profile =
g_array_index (profiles, GstVaapiProfile, i);
const gchar *media_type_name;
const gchar *profile_name;
GstStructure *structure;
media_type_name = gst_vaapi_profile_get_media_type_name (profile);
if (!media_type_name)
continue;
caps = gst_caps_from_string (media_type_name);
if (!caps)
continue;
structure = gst_caps_get_structure (caps, 0);
profile_name = gst_vaapi_profile_get_name (profile);
if (profile_name)
gst_structure_set (structure, "profile", G_TYPE_STRING,
profile_name, NULL);
allowed_sinkpad_caps = gst_caps_merge (allowed_sinkpad_caps, caps);
}
decode->allowed_sinkpad_caps = gst_caps_simplify (allowed_sinkpad_caps);
g_array_unref (profiles);
return TRUE;
/* ERRORS */
error_no_profiles:
{
GST_ERROR ("failed to retrieve VA decode profiles");
return FALSE;
}
error_no_memory:
{
GST_ERROR ("failed to allocate allowed-caps set");
g_array_unref (profiles);
return FALSE;
}
}
static GstCaps *
gst_dshowvideosrc_getcaps_from_enum_mediatypes (GstDshowVideoSrc * src, IPin * pin)
{
GstCaps *caps = NULL;
IEnumMediaTypes *enum_mediatypes = NULL;
HRESULT hres = S_OK;
GstCapturePinMediaType *pin_mediatype = NULL;
hres = pin->EnumMediaTypes (&enum_mediatypes);
if (FAILED (hres)) {
GST_ERROR ("Failed to retrieve IEnumMediaTypes (error=0x%x)", hres);
return NULL;
}
caps = gst_caps_new_empty ();
while ((pin_mediatype = gst_dshow_new_pin_mediatype_from_enum_mediatypes (pin, enum_mediatypes)) != NULL) {
GstCaps *mediacaps = NULL;
GstVideoFormat video_format = gst_dshow_guid_to_gst_video_format (pin_mediatype->mediatype);
GstVideoInfo info;
gst_video_info_init(&info);
gst_video_info_set_format(&info, video_format, pin_mediatype->defaultWidth, pin_mediatype->defaultHeight);
info.fps_n = pin_mediatype->defaultFPS;
info.fps_d = 1;
info.par_n = 1;
info.par_d = 1;
if(video_format == GST_VIDEO_FORMAT_ENCODED) {
if(gst_dshow_check_mediatype(pin_mediatype->mediatype, MEDIASUBTYPE_MJPG, FORMAT_VideoInfo)) {
mediacaps = gst_caps_new_simple("image/jpeg", "width", G_TYPE_INT, info.width,
"height", G_TYPE_INT, info.height,
"framerate", GST_TYPE_FRACTION, info.fps_n, info.fps_d);
}
}
else if (video_format != GST_VIDEO_FORMAT_UNKNOWN)
mediacaps = gst_video_info_to_caps (&info);
if (mediacaps) {
src->pins_mediatypes =
g_list_append (src->pins_mediatypes, pin_mediatype);
gst_caps_append (caps, mediacaps);
} else {
/* failed to convert dshow caps */
gst_dshow_free_pin_mediatype (pin_mediatype);
}
}
enum_mediatypes->Release ();
if (caps && gst_caps_is_empty (caps)) {
gst_caps_unref (caps);
caps = NULL;
}
return caps;
}