static GstEncodingContainerProfile *
kms_recording_profile_create_ksr_profile (gboolean has_audio,
gboolean has_video)
{
GstEncodingContainerProfile *cprof;
GstPadTemplate *templ;
GstElement *mux;
GstCaps *pc;
pc = gst_caps_from_string ("application/x-ksr");
cprof = gst_encoding_container_profile_new ("Ksr", NULL, pc, NULL);
gst_caps_unref (pc);
/* Use matroska caps to define this profile */
mux = gst_element_factory_make ("matroskamux", NULL);
if (has_audio) {
GstCaps *ac;
templ =
gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS (mux),
"audio_%u");
ac = gst_pad_template_get_caps (templ);
gst_encoding_container_profile_add_profile (cprof, (GstEncodingProfile *)
gst_encoding_audio_profile_new (ac, NULL, NULL, 0));
gst_caps_unref (ac);
}
if (has_video) {
GstCaps *vc;
templ =
gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS (mux),
"video_%u");
vc = gst_pad_template_get_caps (templ);
gst_encoding_container_profile_add_profile (cprof, (GstEncodingProfile *)
gst_encoding_video_profile_new (vc, NULL, NULL, 0));
gst_caps_unref (vc);
}
g_object_unref (mux);
return cprof;
}
static GstCaps *
gst_osx_video_src_get_caps (GstBaseSrc * src)
{
GstElementClass *gstelement_class;
GstOSXVideoSrc *self;
GstPadTemplate *pad_template;
GstCaps *caps;
GstStructure *structure;
gint width, height;
gstelement_class = GST_ELEMENT_GET_CLASS (src);
self = GST_OSX_VIDEO_SRC (src);
/* if we don't have the resolution set up, return template caps */
if (!self->world)
return NULL;
pad_template = gst_element_class_get_pad_template (gstelement_class, "src");
/* i don't think this can actually fail... */
if (!pad_template)
return NULL;
width = self->rect.right;
height = self->rect.bottom;
caps = gst_caps_copy (gst_pad_template_get_caps (pad_template));
structure = gst_caps_get_structure (caps, 0);
gst_structure_set (structure, "width", G_TYPE_INT, width, NULL);
gst_structure_set (structure, "height", G_TYPE_INT, height, NULL);
return caps;
}
static void
gst_ffmpegmux_init (GstFFMpegMux * ffmpegmux, GstFFMpegMuxClass * g_class)
{
GstElementClass *klass = GST_ELEMENT_CLASS (g_class);
GstFFMpegMuxClass *oclass = (GstFFMpegMuxClass *) klass;
GstPadTemplate *templ = gst_element_class_get_pad_template (klass, "src");
ffmpegmux->srcpad = gst_pad_new_from_template (templ, "src");
gst_pad_set_caps (ffmpegmux->srcpad, gst_pad_template_get_caps (templ));
gst_element_add_pad (GST_ELEMENT (ffmpegmux), ffmpegmux->srcpad);
ffmpegmux->collect = gst_collect_pads_new ();
gst_collect_pads_set_function (ffmpegmux->collect,
(GstCollectPadsFunction) gst_ffmpegmux_collected, ffmpegmux);
ffmpegmux->context = g_new0 (AVFormatContext, 1);
ffmpegmux->context->oformat = oclass->in_plugin;
ffmpegmux->context->nb_streams = 0;
g_snprintf (ffmpegmux->context->filename,
sizeof (ffmpegmux->context->filename),
"gstreamer://%p", ffmpegmux->srcpad);
ffmpegmux->opened = FALSE;
ffmpegmux->videopads = 0;
ffmpegmux->audiopads = 0;
ffmpegmux->preload = 0;
ffmpegmux->max_delay = 0;
}
static void
gst_tag_lib_mux_init (GstTagLibMux * mux, GstTagLibMuxClass * mux_class)
{
GstElementClass *element_klass = GST_ELEMENT_CLASS (mux_class);
GstPadTemplate *tmpl;
/* pad through which data comes in to the element */
mux->sinkpad =
gst_pad_new_from_static_template (&gst_tag_lib_mux_sink_template, "sink");
gst_pad_set_chain_function (mux->sinkpad,
GST_DEBUG_FUNCPTR (gst_tag_lib_mux_chain));
gst_pad_set_event_function (mux->sinkpad,
GST_DEBUG_FUNCPTR (gst_tag_lib_mux_sink_event));
gst_element_add_pad (GST_ELEMENT (mux), mux->sinkpad);
/* pad through which data goes out of the element */
tmpl = gst_element_class_get_pad_template (element_klass, "src");
if (tmpl) {
mux->srcpad = gst_pad_new_from_template (tmpl, "src");
gst_pad_use_fixed_caps (mux->srcpad);
gst_pad_set_caps (mux->srcpad, gst_pad_template_get_caps (tmpl));
gst_element_add_pad (GST_ELEMENT (mux), mux->srcpad);
}
mux->render_tag = TRUE;
}
static GstCaps *
gst_alsasink_getcaps (GstBaseSink * bsink)
{
GstElementClass *element_class;
GstPadTemplate *pad_template;
GstAlsaSink *sink = GST_ALSA_SINK (bsink);
GstCaps *caps;
if (sink->handle == NULL) {
GST_DEBUG_OBJECT (sink, "device not open, using template caps");
return NULL; /* base class will get template caps for us */
}
if (sink->cached_caps) {
GST_LOG_OBJECT (sink, "Returning cached caps");
return gst_caps_ref (sink->cached_caps);
}
element_class = GST_ELEMENT_GET_CLASS (sink);
pad_template = gst_element_class_get_pad_template (element_class, "sink");
g_return_val_if_fail (pad_template != NULL, NULL);
caps = gst_alsa_probe_supported_formats (GST_OBJECT (sink), sink->device,
sink->handle, gst_pad_template_get_caps (pad_template));
if (caps) {
sink->cached_caps = gst_caps_ref (caps);
}
GST_INFO_OBJECT (sink, "returning caps %" GST_PTR_FORMAT, caps);
return caps;
}
static gpointer
_get_decoder_factories (gpointer arg)
{
GstElementClass *klass = arg;
GList *factories;
GstPadTemplate *templ = gst_element_class_get_pad_template (klass,
"sink");
RsnDecFactoryFilterCtx ctx = { NULL, };
GstCaps *raw;
gboolean raw_audio;
GstRegistry *registry = gst_registry_get ();
ctx.desired_caps = gst_pad_template_get_caps (templ);
raw =
gst_caps_from_string
("audio/x-raw,format=(string){ F32LE, F32BE, F64LE, F64BE }");
raw_audio = gst_caps_can_intersect (raw, ctx.desired_caps);
if (raw_audio) {
GstCaps *sub = gst_caps_subtract (ctx.desired_caps, raw);
ctx.desired_caps = sub;
} else {
gst_caps_ref (ctx.desired_caps);
}
gst_caps_unref (raw);
/* Set decoder caps to empty. Will be filled by the factory_filter */
ctx.decoder_caps = gst_caps_new_empty ();
GST_DEBUG ("Finding factories for caps: %" GST_PTR_FORMAT, ctx.desired_caps);
factories = gst_registry_feature_filter (registry,
(GstPluginFeatureFilter) rsndec_factory_filter, FALSE, &ctx);
/* If these are audio caps, we add audioconvert, which is not a decoder,
but allows raw audio to go through relatively unmolested - this will
come handy when we have to send placeholder silence to allow preroll
for those DVDs which have titles with no audio track. */
if (raw_audio) {
GstPluginFeature *feature;
GST_DEBUG ("These are audio caps, adding audioconvert");
feature =
gst_registry_find_feature (registry, "audioconvert",
GST_TYPE_ELEMENT_FACTORY);
if (feature) {
factories = g_list_append (factories, feature);
} else {
GST_WARNING ("Could not find feature audioconvert");
}
}
factories = g_list_sort (factories, (GCompareFunc) sort_by_ranks);
GST_DEBUG ("Available decoder caps %" GST_PTR_FORMAT, ctx.decoder_caps);
gst_caps_unref (ctx.decoder_caps);
gst_caps_unref (ctx.desired_caps);
return factories;
}
static GstCaps *
gst_alsasink_getcaps (GstBaseSink * bsink, GstCaps * filter)
{
GstElementClass *element_class;
GstPadTemplate *pad_template;
GstAlsaSink *sink = GST_ALSA_SINK (bsink);
GstCaps *caps, *templ_caps;
if (sink->handle == NULL) {
GST_DEBUG_OBJECT (sink, "device not open, using template caps");
return NULL; /* base class will get template caps for us */
}
if (sink->cached_caps) {
if (filter) {
caps = gst_caps_intersect_full (filter, sink->cached_caps,
GST_CAPS_INTERSECT_FIRST);
GST_LOG_OBJECT (sink, "Returning cached caps %" GST_PTR_FORMAT " with "
"filter %" GST_PTR_FORMAT " applied: %" GST_PTR_FORMAT,
sink->cached_caps, filter, caps);
return caps;
} else {
GST_LOG_OBJECT (sink, "Returning cached caps %" GST_PTR_FORMAT,
sink->cached_caps);
return gst_caps_ref (sink->cached_caps);
}
}
element_class = GST_ELEMENT_GET_CLASS (sink);
pad_template = gst_element_class_get_pad_template (element_class, "sink");
g_return_val_if_fail (pad_template != NULL, NULL);
templ_caps = gst_pad_template_get_caps (pad_template);
caps = gst_alsa_probe_supported_formats (GST_OBJECT (sink), sink->device,
sink->handle, templ_caps);
gst_caps_unref (templ_caps);
if (caps) {
sink->cached_caps = gst_caps_ref (caps);
}
GST_INFO_OBJECT (sink, "returning caps %" GST_PTR_FORMAT, caps);
if (filter) {
GstCaps *intersection;
intersection =
gst_caps_intersect_full (filter, caps, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (caps);
return intersection;
} else {
return caps;
}
}
static GstCaps *
gst_alsasrc_getcaps (GstBaseSrc * bsrc, GstCaps * filter)
{
GstElementClass *element_class;
GstPadTemplate *pad_template;
GstAlsaSrc *src;
GstCaps *caps, *templ_caps;
src = GST_ALSA_SRC (bsrc);
if (src->handle == NULL) {
GST_DEBUG_OBJECT (src, "device not open, using template caps");
return GST_BASE_SRC_CLASS (parent_class)->get_caps (bsrc, filter);
}
if (src->cached_caps) {
GST_LOG_OBJECT (src, "Returning cached caps");
if (filter)
return gst_caps_intersect_full (filter, src->cached_caps,
GST_CAPS_INTERSECT_FIRST);
else
return gst_caps_ref (src->cached_caps);
}
element_class = GST_ELEMENT_GET_CLASS (src);
pad_template = gst_element_class_get_pad_template (element_class, "src");
g_return_val_if_fail (pad_template != NULL, NULL);
templ_caps = gst_pad_template_get_caps (pad_template);
GST_INFO_OBJECT (src, "template caps %" GST_PTR_FORMAT, templ_caps);
caps = gst_alsa_probe_supported_formats (GST_OBJECT (src),
src->device, src->handle, templ_caps);
gst_caps_unref (templ_caps);
if (caps) {
src->cached_caps = gst_caps_ref (caps);
}
GST_INFO_OBJECT (src, "returning caps %" GST_PTR_FORMAT, caps);
if (filter) {
GstCaps *intersection;
intersection =
gst_caps_intersect_full (filter, caps, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (caps);
return intersection;
} else {
return caps;
}
}
static void
check_pad_template (GstPadTemplate * tmpl)
{
const GValue *list_val, *fmt_val;
GstStructure *s;
gboolean *formats_supported;
GstCaps *caps;
guint i, num_formats;
num_formats = get_num_formats ();
formats_supported = g_new0 (gboolean, num_formats);
caps = gst_pad_template_get_caps (tmpl);
/* If this fails, we need to update this unit test */
fail_unless_equals_int (gst_caps_get_size (caps), 1);
s = gst_caps_get_structure (caps, 0);
fail_unless (gst_structure_has_name (s, "video/x-raw"));
list_val = gst_structure_get_value (s, "format");
fail_unless (list_val != NULL);
/* If this fails, we need to update this unit test */
fail_unless (GST_VALUE_HOLDS_LIST (list_val));
for (i = 0; i < gst_value_list_get_size (list_val); ++i) {
GstVideoFormat fmt;
const gchar *fmt_str;
fmt_val = gst_value_list_get_value (list_val, i);
fail_unless (G_VALUE_HOLDS_STRING (fmt_val));
fmt_str = g_value_get_string (fmt_val);
GST_LOG ("format string: '%s'", fmt_str);
fmt = gst_video_format_from_string (fmt_str);
fail_unless (fmt != GST_VIDEO_FORMAT_UNKNOWN);
formats_supported[(guint) fmt] = TRUE;
}
gst_caps_unref (caps);
for (i = 2; i < num_formats; ++i) {
if (!formats_supported[i]) {
g_error ("videoconvert doesn't support format '%s'",
gst_video_format_to_string ((GstVideoFormat) i));
}
}
g_free (formats_supported);
}
static GstCaps *
gst_sunaudiosink_getcaps (GstBaseSink * bsink)
{
GstPadTemplate *pad_template;
GstCaps *caps = NULL;
GstSunAudioSink *sunaudiosink = GST_SUNAUDIO_SINK (bsink);
GST_DEBUG_OBJECT (sunaudiosink, "getcaps called");
pad_template = gst_static_pad_template_get (&gst_sunaudiosink_factory);
caps = gst_caps_copy (gst_pad_template_get_caps (pad_template));
gst_object_unref (pad_template);
return caps;
}
static GstCaps * gst_devsound_src_getcaps(GstBaseSrc * bsrc)
{
GstDevsoundSrc *devsoundsrc;
GstCaps *caps;
GstPadTemplate *pad_template;
devsoundsrc = GST_DEVSOUND_SRC (bsrc);
GST_DEBUG_OBJECT(devsoundsrc, "getcaps called");
pad_template = gst_static_pad_template_get(&devsound_src_factory);
caps = gst_caps_copy(gst_pad_template_get_caps(pad_template));
gst_object_unref(pad_template);
return caps;
}
static void
gst_tag_mux_init (GstTagMux * mux, GstTagMuxClass * mux_class)
{
GstElementClass *element_klass = GST_ELEMENT_CLASS (mux_class);
GstPadTemplate *tmpl;
mux->priv =
G_TYPE_INSTANCE_GET_PRIVATE (mux, GST_TYPE_TAG_MUX, GstTagMuxPrivate);
/* pad through which data comes in to the element */
tmpl = gst_element_class_get_pad_template (element_klass, "sink");
if (tmpl) {
mux->priv->sinkpad = gst_pad_new_from_template (tmpl, "sink");
} else {
g_warning ("GstTagMux subclass '%s' did not install a %s pad template!\n",
G_OBJECT_CLASS_NAME (element_klass), "sink");
mux->priv->sinkpad = gst_pad_new ("sink", GST_PAD_SINK);
}
gst_pad_set_chain_function (mux->priv->sinkpad,
GST_DEBUG_FUNCPTR (gst_tag_mux_chain));
gst_pad_set_event_function (mux->priv->sinkpad,
GST_DEBUG_FUNCPTR (gst_tag_mux_sink_event));
gst_element_add_pad (GST_ELEMENT (mux), mux->priv->sinkpad);
/* pad through which data goes out of the element */
tmpl = gst_element_class_get_pad_template (element_klass, "src");
if (tmpl) {
GstCaps *tmpl_caps = gst_pad_template_get_caps (tmpl);
mux->priv->srcpad = gst_pad_new_from_template (tmpl, "src");
gst_pad_use_fixed_caps (mux->priv->srcpad);
if (tmpl_caps != NULL && gst_caps_is_fixed (tmpl_caps)) {
gst_pad_set_caps (mux->priv->srcpad, tmpl_caps);
}
} else {
g_warning ("GstTagMux subclass '%s' did not install a %s pad template!\n",
G_OBJECT_CLASS_NAME (element_klass), "source");
mux->priv->srcpad = gst_pad_new ("src", GST_PAD_SRC);
}
gst_element_add_pad (GST_ELEMENT (mux), mux->priv->srcpad);
mux->priv->render_start_tag = TRUE;
mux->priv->render_end_tag = TRUE;
}
gboolean sink_factory_filter(GstPluginFeature* feature, gpointer data) {
GstCaps* caps = (GstCaps*)data;
if (!GST_IS_ELEMENT_FACTORY(feature)) return FALSE;
const GList* static_pads =
gst_element_factory_get_static_pad_templates(GST_ELEMENT_FACTORY(feature));
int not_any_number = 0;
for (GList* item = (GList*)static_pads; item; item = item->next) {
GstStaticPadTemplate* padTemplate = (GstStaticPadTemplate*)item->data;
GstPadTemplate* pad = gst_static_pad_template_get(padTemplate);
GstCaps* padCaps = gst_pad_template_get_caps(pad);
if (!gst_caps_is_any(padCaps)) not_any_number++;
}
if (not_any_number == 0) return FALSE;
if (!gst_element_factory_list_is_type(GST_ELEMENT_FACTORY(feature),
GST_ELEMENT_FACTORY_TYPE_DECODABLE))
return FALSE;
if (!gst_element_factory_can_sink_all_caps(GST_ELEMENT_FACTORY(feature), caps)) return FALSE;
return TRUE;
}
static GstCaps *
gst_directsound_sink_getcaps (GstBaseSink * bsink, GstCaps * filter)
{
GstElementClass *element_class;
GstPadTemplate *pad_template;
GstDirectSoundSink *dsoundsink = GST_DIRECTSOUND_SINK (bsink);
GstCaps *caps;
if (dsoundsink->pDS == NULL) {
GST_DEBUG_OBJECT (dsoundsink, "device not open, using template caps");
return NULL; /* base class will get template caps for us */
}
if (dsoundsink->cached_caps) {
caps = gst_caps_ref (dsoundsink->cached_caps);
} else {
element_class = GST_ELEMENT_GET_CLASS (dsoundsink);
pad_template = gst_element_class_get_pad_template (element_class, "sink");
g_return_val_if_fail (pad_template != NULL, NULL);
caps = gst_directsound_probe_supported_formats (dsoundsink,
gst_pad_template_get_caps (pad_template));
if (caps)
dsoundsink->cached_caps = gst_caps_ref (caps);
}
if (caps && filter) {
GstCaps *tmp =
gst_caps_intersect_full (filter, caps, GST_CAPS_INTERSECT_FIRST);
gst_caps_unref (caps);
caps = tmp;
}
if (caps) {
gchar *caps_string = gst_caps_to_string (caps);
GST_DEBUG_OBJECT (dsoundsink, "returning caps %s", caps_string);
g_free (caps_string);
}
return caps;
}
static GstFlowReturn
gst_teletextdec_export_rgba_page (GstTeletextDec * teletext, vbi_page * page,
GstBuffer ** buf)
{
guint size;
GstCaps *caps, *out_caps;
GstFlowReturn ret;
gint width, height;
GstPadTemplate *templ;
/* one character occupies 12 x 10 pixels */
width = page->columns * 12;
height = page->rows * 10;
caps = gst_caps_new_simple ("video/x-raw-rgb",
"width", G_TYPE_INT, width,
"height", G_TYPE_INT, height,
"framerate", GST_TYPE_FRACTION, teletext->rate_numerator,
teletext->rate_denominator, NULL);
templ = gst_static_pad_template_get (&src_template);
out_caps = gst_caps_intersect (caps, gst_pad_template_get_caps (templ));
gst_caps_unref (caps);
gst_object_unref (templ);
size = (guint) width *(guint) height *sizeof (vbi_rgba);
ret = gst_pad_alloc_buffer_and_set_caps (teletext->srcpad,
GST_BUFFER_OFFSET_NONE, size, out_caps, &(*buf));
if (ret == GST_FLOW_OK) {
GST_DEBUG_OBJECT (teletext, "Creating image with %d rows and %d cols",
page->rows, page->columns);
vbi_draw_vt_page (page, VBI_PIXFMT_RGBA32_LE,
(vbi_rgba *) GST_BUFFER_DATA (*buf), FALSE, TRUE);
}
gst_caps_unref (out_caps);
return ret;
}
static GstCaps *
gst_osx_audio_src_get_caps (GstBaseSrc * src)
{
GstElementClass *gstelement_class;
GstOsxAudioSrc *osxsrc;
GstPadTemplate *pad_template;
GstCaps *caps;
gint min, max;
gstelement_class = GST_ELEMENT_GET_CLASS (src);
osxsrc = GST_OSX_AUDIO_SRC (src);
if (osxsrc->deviceChannels == -1) {
/* -1 means we don't know the number of channels yet. for now, return
* template caps.
*/
return NULL;
}
max = osxsrc->deviceChannels;
if (max < 1)
max = 1; /* 0 channels means 1 channel? */
min = MIN (1, max);
pad_template = gst_element_class_get_pad_template (gstelement_class, "src");
g_return_val_if_fail (pad_template != NULL, NULL);
caps = gst_caps_copy (gst_pad_template_get_caps (pad_template));
if (min == max) {
gst_caps_set_simple (caps, "channels", G_TYPE_INT, max, NULL);
} else {
gst_caps_set_simple (caps, "channels", GST_TYPE_INT_RANGE, min, max,
NULL);
}
return caps;
}
static GstCaps *
gst_xviddec_src_getcaps (GstPad * pad)
{
GstXvidDec *dec = GST_XVIDDEC (GST_PAD_PARENT (pad));
GstCaps *caps;
gint csp[] = {
XVID_CSP_I420,
XVID_CSP_YV12,
XVID_CSP_YUY2,
XVID_CSP_UYVY,
XVID_CSP_YVYU,
XVID_CSP_BGRA,
XVID_CSP_ABGR,
XVID_CSP_RGBA,
#ifdef XVID_CSP_ARGB
XVID_CSP_ARGB,
#endif
XVID_CSP_BGR,
XVID_CSP_RGB555,
XVID_CSP_RGB565,
0
}, i;
if (!GST_PAD_CAPS (dec->sinkpad)) {
GstPadTemplate *templ = gst_static_pad_template_get (&src_template);
return gst_caps_copy (gst_pad_template_get_caps (templ));
}
caps = gst_caps_new_empty ();
for (i = 0; csp[i] != 0; i++) {
GstCaps *one = gst_xvid_csp_to_caps (csp[i], dec->width,
dec->height, dec->fps, dec->par);
gst_caps_append (caps, one);
}
return caps;
}
static GstCaps *
gst_vdp_vpp_sink_getcaps (GstPad * pad)
{
GstVdpVideoPostProcess *vpp =
GST_VDP_VIDEO_POST_PROCESS (gst_pad_get_parent (pad));
GstCaps *caps;
if (vpp->device) {
caps = gst_vdp_video_buffer_get_allowed_caps (vpp->device);
} else {
GstElementClass *element_class = GST_ELEMENT_GET_CLASS (vpp);
GstPadTemplate *sink_template;
sink_template = gst_element_class_get_pad_template (element_class, "sink");
caps = gst_caps_copy (gst_pad_template_get_caps (sink_template));
}
GST_DEBUG ("returning caps: %" GST_PTR_FORMAT, caps);
gst_object_unref (vpp);
return caps;
}
static gboolean
gst_esdsink_open (GstAudioSink * asink)
{
esd_server_info_t *server_info;
GstPadTemplate *pad_template;
GstEsdSink *esdsink;
gchar *saved_env;
gint i;
esdsink = GST_ESDSINK (asink);
GST_DEBUG_OBJECT (esdsink, "open");
/* ensure libesd doesn't auto-spawn a sound daemon if none is running yet */
saved_env = g_strdup (g_getenv ("ESD_NO_SPAWN"));
g_setenv ("ESD_NO_SPAWN", "1", TRUE);
/* now try to connect to any existing/running sound daemons */
esdsink->ctrl_fd = esd_open_sound (esdsink->host);
/* and restore the previous state */
if (saved_env != NULL) {
g_setenv ("ESD_NO_SPAWN", saved_env, TRUE);
} else {
g_unsetenv ("ESD_NO_SPAWN");
}
g_free (saved_env);
if (esdsink->ctrl_fd < 0)
goto couldnt_connect;
/* get server info */
server_info = esd_get_server_info (esdsink->ctrl_fd);
if (!server_info)
goto no_server_info;
GST_INFO_OBJECT (esdsink, "got server info rate: %i", server_info->rate);
pad_template = gst_static_pad_template_get (&sink_factory);
esdsink->cur_caps = gst_caps_copy (gst_pad_template_get_caps (pad_template));
gst_object_unref (pad_template);
for (i = 0; i < esdsink->cur_caps->structs->len; i++) {
GstStructure *s;
s = gst_caps_get_structure (esdsink->cur_caps, i);
gst_structure_set (s, "rate", G_TYPE_INT, server_info->rate, NULL);
}
esd_free_server_info (server_info);
GST_INFO_OBJECT (esdsink, "server caps: %" GST_PTR_FORMAT, esdsink->cur_caps);
return TRUE;
/* ERRORS */
couldnt_connect:
{
GST_ELEMENT_ERROR (esdsink, RESOURCE, OPEN_WRITE,
(_("Could not establish connection to sound server")),
("can't open connection to esound server"));
return FALSE;
}
no_server_info:
{
GST_ELEMENT_ERROR (esdsink, RESOURCE, OPEN_WRITE,
(_("Failed to query sound server capabilities")),
("couldn't get server info!"));
return FALSE;
}
}
static GstFlowReturn
gst_pngdec_caps_create_and_set (GstPngDec * pngdec)
{
GstFlowReturn ret = GST_FLOW_OK;
GstCaps *caps = NULL, *res = NULL;
GstPadTemplate *templ = NULL;
gint bpc = 0, color_type;
png_uint_32 width, height;
g_return_val_if_fail (GST_IS_PNGDEC (pngdec), GST_FLOW_ERROR);
/* Get bits per channel */
bpc = png_get_bit_depth (pngdec->png, pngdec->info);
/* We don't handle 16 bits per color, strip down to 8 */
if (bpc == 16) {
GST_LOG_OBJECT (pngdec,
"this is a 16 bits per channel PNG image, strip down to 8 bits");
png_set_strip_16 (pngdec->png);
}
/* Get Color type */
color_type = png_get_color_type (pngdec->png, pngdec->info);
#if 0
/* We used to have this HACK to reverse the outgoing bytes, but the problem
* that originally required the hack seems to have been in ffmpegcolorspace's
* RGBA descriptions. It doesn't seem needed now that's fixed, but might
* still be needed on big-endian systems, I'm not sure. J.S. 6/7/2007 */
if (color_type == PNG_COLOR_TYPE_RGB_ALPHA)
png_set_bgr (pngdec->png);
#endif
/* Gray scale converted to RGB and upscaled to 8 bits */
if ((color_type == PNG_COLOR_TYPE_GRAY_ALPHA) ||
(color_type == PNG_COLOR_TYPE_GRAY)) {
GST_LOG_OBJECT (pngdec, "converting grayscale png to RGB");
png_set_gray_to_rgb (pngdec->png);
if (bpc < 8) { /* Convert to 8 bits */
GST_LOG_OBJECT (pngdec, "converting grayscale image to 8 bits");
png_set_gray_1_2_4_to_8 (pngdec->png);
}
}
/* Palette converted to RGB */
if (color_type == PNG_COLOR_TYPE_PALETTE) {
GST_LOG_OBJECT (pngdec, "converting palette png to RGB");
png_set_palette_to_rgb (pngdec->png);
}
/* Update the info structure */
png_read_update_info (pngdec->png, pngdec->info);
/* Get IHDR header again after transformation settings */
png_get_IHDR (pngdec->png, pngdec->info, &width, &height,
&bpc, &pngdec->color_type, NULL, NULL, NULL);
pngdec->width = width;
pngdec->height = height;
GST_LOG_OBJECT (pngdec, "this is a %dx%d PNG image", pngdec->width,
pngdec->height);
switch (pngdec->color_type) {
case PNG_COLOR_TYPE_RGB:
GST_LOG_OBJECT (pngdec, "we have no alpha channel, depth is 24 bits");
pngdec->bpp = 24;
break;
case PNG_COLOR_TYPE_RGB_ALPHA:
GST_LOG_OBJECT (pngdec, "we have an alpha channel, depth is 32 bits");
pngdec->bpp = 32;
break;
default:
GST_ELEMENT_ERROR (pngdec, STREAM, NOT_IMPLEMENTED, (NULL),
("pngdec does not support this color type"));
ret = GST_FLOW_NOT_SUPPORTED;
goto beach;
}
caps = gst_caps_new_simple ("video/x-raw-rgb",
"width", G_TYPE_INT, pngdec->width,
"height", G_TYPE_INT, pngdec->height,
"bpp", G_TYPE_INT, pngdec->bpp,
"framerate", GST_TYPE_FRACTION, pngdec->fps_n, pngdec->fps_d, NULL);
templ = gst_static_pad_template_get (&gst_pngdec_src_pad_template);
res = gst_caps_intersect (caps, gst_pad_template_get_caps (templ));
gst_caps_unref (caps);
gst_object_unref (templ);
if (!gst_pad_set_caps (pngdec->srcpad, res))
ret = GST_FLOW_NOT_NEGOTIATED;
GST_DEBUG_OBJECT (pngdec, "our caps %" GST_PTR_FORMAT, res);
gst_caps_unref (res);
/* Push a newsegment event */
if (pngdec->need_newsegment) {
gst_pad_push_event (pngdec->srcpad,
gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME, 0, -1, 0));
pngdec->need_newsegment = FALSE;
}
beach:
return ret;
}
static gboolean
gst_osx_audio_sink_allowed_caps (GstOsxAudioSink * osxsink)
{
gint i, channels;
gboolean spdif_allowed;
AudioChannelLayout *layout;
GstElementClass *element_class;
GstPadTemplate *pad_template;
GstCaps *caps, *in_caps;
guint64 channel_mask = 0;
GstAudioChannelPosition *pos = osxsink->channel_positions;
/* First collect info about the HW capabilites and preferences */
spdif_allowed =
gst_core_audio_audio_device_is_spdif_avail (osxsink->device_id);
layout = gst_core_audio_audio_device_get_channel_layout (osxsink->device_id);
GST_DEBUG_OBJECT (osxsink, "Selected device ID: %u SPDIF allowed: %d",
(unsigned) osxsink->device_id, spdif_allowed);
if (layout) {
channels = MIN (layout->mNumberChannelDescriptions,
GST_OSX_AUDIO_MAX_CHANNEL);
} else {
GST_WARNING_OBJECT (osxsink, "This driver does not support "
"kAudioDevicePropertyPreferredChannelLayout.");
channels = 2;
}
switch (channels) {
case 0:
pos[0] = GST_AUDIO_CHANNEL_POSITION_NONE;
break;
case 1:
pos[0] = GST_AUDIO_CHANNEL_POSITION_MONO;
break;
case 2:
pos[0] = GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT;
pos[1] = GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT;
channel_mask |= GST_AUDIO_CHANNEL_POSITION_MASK (FRONT_LEFT);
channel_mask |= GST_AUDIO_CHANNEL_POSITION_MASK (FRONT_RIGHT);
break;
default:
channels = MIN (layout->mNumberChannelDescriptions,
GST_OSX_AUDIO_MAX_CHANNEL);
for (i = 0; i < channels; i++) {
switch (layout->mChannelDescriptions[i].mChannelLabel) {
case kAudioChannelLabel_Left:
pos[i] = GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT;
break;
case kAudioChannelLabel_Right:
pos[i] = GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT;
break;
case kAudioChannelLabel_Center:
pos[i] = GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER;
break;
case kAudioChannelLabel_LFEScreen:
pos[i] = GST_AUDIO_CHANNEL_POSITION_LFE1;
break;
case kAudioChannelLabel_LeftSurround:
pos[i] = GST_AUDIO_CHANNEL_POSITION_REAR_LEFT;
break;
case kAudioChannelLabel_RightSurround:
pos[i] = GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT;
break;
case kAudioChannelLabel_RearSurroundLeft:
pos[i] = GST_AUDIO_CHANNEL_POSITION_SIDE_LEFT;
break;
case kAudioChannelLabel_RearSurroundRight:
pos[i] = GST_AUDIO_CHANNEL_POSITION_SIDE_RIGHT;
break;
case kAudioChannelLabel_CenterSurround:
pos[i] = GST_AUDIO_CHANNEL_POSITION_REAR_CENTER;
break;
default:
GST_WARNING_OBJECT (osxsink, "unrecognized channel: %d",
(int) layout->mChannelDescriptions[i].mChannelLabel);
channel_mask = 0;
channels = 2;
break;
}
}
}
g_free (layout);
/* Recover the template caps */
element_class = GST_ELEMENT_GET_CLASS (osxsink);
pad_template = gst_element_class_get_pad_template (element_class, "sink");
in_caps = gst_pad_template_get_caps (pad_template);
/* Create the allowed subset */
caps = gst_caps_new_empty ();
for (i = 0; i < gst_caps_get_size (in_caps); i++) {
GstStructure *in_s, *out_s;
in_s = gst_caps_get_structure (in_caps, i);
if (gst_structure_has_name (in_s, "audio/x-ac3") ||
gst_structure_has_name (in_s, "audio/x-dts")) {
if (spdif_allowed) {
gst_caps_append_structure (caps, gst_structure_copy (in_s));
}
}
gst_audio_channel_positions_to_mask (pos, channels, false, &channel_mask);
out_s = gst_structure_copy (in_s);
gst_structure_remove_fields (out_s, "channels", "channel-mask", NULL);
gst_structure_set (out_s, "channels", G_TYPE_INT, channels,
"channel-mask", GST_TYPE_BITMASK, channel_mask, NULL);
gst_caps_append_structure (caps, out_s);
}
if (osxsink->cached_caps) {
gst_caps_unref (osxsink->cached_caps);
}
osxsink->cached_caps = caps;
osxsink->channels = channels;
return TRUE;
}
static void
check_pad_template (GstPadTemplate * tmpl)
{
const GValue *list_val, *fmt_val;
GstStructure *s;
gboolean *formats_supported;
GstCaps *caps;
guint i, num_formats;
num_formats = get_num_formats ();
formats_supported = g_new0 (gboolean, num_formats);
caps = gst_pad_template_get_caps (tmpl);
/* If this fails, we need to update this unit test */
fail_unless_equals_int (gst_caps_get_size (caps), 2);
/* Remove the ANY caps features structure */
caps = gst_caps_truncate (caps);
s = gst_caps_get_structure (caps, 0);
fail_unless (gst_structure_has_name (s, "video/x-raw"));
list_val = gst_structure_get_value (s, "format");
fail_unless (list_val != NULL);
/* If this fails, we need to update this unit test */
fail_unless (GST_VALUE_HOLDS_LIST (list_val));
for (i = 0; i < gst_value_list_get_size (list_val); ++i) {
GstVideoFormat fmt;
const gchar *fmt_str;
fmt_val = gst_value_list_get_value (list_val, i);
fail_unless (G_VALUE_HOLDS_STRING (fmt_val));
fmt_str = g_value_get_string (fmt_val);
GST_LOG ("format string: '%s'", fmt_str);
fmt = gst_video_format_from_string (fmt_str);
if (fmt == GST_VIDEO_FORMAT_UNKNOWN)
g_error ("Unknown raw format '%s' in pad template caps", fmt_str);
formats_supported[(guint) fmt] = TRUE;
}
gst_caps_unref (caps);
for (i = 2; i < num_formats; ++i) {
if (!formats_supported[i]) {
const gchar *fmt_str = gst_video_format_to_string ((GstVideoFormat) i);
switch (i) {
case GST_VIDEO_FORMAT_v210:
case GST_VIDEO_FORMAT_v216:
case GST_VIDEO_FORMAT_NV12:
case GST_VIDEO_FORMAT_NV16:
case GST_VIDEO_FORMAT_NV21:
case GST_VIDEO_FORMAT_NV24:
case GST_VIDEO_FORMAT_UYVP:
case GST_VIDEO_FORMAT_A420:
case GST_VIDEO_FORMAT_YUV9:
case GST_VIDEO_FORMAT_YVU9:
case GST_VIDEO_FORMAT_IYU1:
case GST_VIDEO_FORMAT_r210:{
static gboolean shown_fixme[100] = { FALSE, };
if (!shown_fixme[i]) {
GST_FIXME ("FIXME: add %s support to videoscale", fmt_str);
shown_fixme[i] = TRUE;
}
break;
}
case GST_VIDEO_FORMAT_BGR16:
case GST_VIDEO_FORMAT_BGR15:
case GST_VIDEO_FORMAT_RGB8P:
case GST_VIDEO_FORMAT_I420_10BE:
case GST_VIDEO_FORMAT_I420_10LE:
case GST_VIDEO_FORMAT_I422_10BE:
case GST_VIDEO_FORMAT_I422_10LE:
case GST_VIDEO_FORMAT_Y444_10BE:
case GST_VIDEO_FORMAT_Y444_10LE:
case GST_VIDEO_FORMAT_GBR:
case GST_VIDEO_FORMAT_GBR_10BE:
case GST_VIDEO_FORMAT_GBR_10LE:
GST_LOG ("Ignoring lack of support for format %s", fmt_str);
break;
default:
g_error ("videoscale doesn't support format '%s'", fmt_str);
break;
}
}
}
g_free (formats_supported);
}