#include <string.h>
#include "rsnparsetter.h"
-#include "rsnwrappedbuffer.h"
GST_DEBUG_CATEGORY_STATIC (rsn_parsetter_debug);
#define GST_CAT_DEFAULT rsn_parsetter_debug
static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("video/x-raw-rgb; video/x-raw-yuv")
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE (GST_VIDEO_FORMATS_ALL))
);
static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("video/x-raw-rgb; video/x-raw-yuv")
+ GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE (GST_VIDEO_FORMATS_ALL))
);
-static void rsn_parsetter_register_extra (GType rsn_parsetter_type);
-
-GST_BOILERPLATE_FULL (RsnParSetter, rsn_parsetter, GstElement,
- GST_TYPE_ELEMENT, rsn_parsetter_register_extra);
+#define rsn_parsetter_parent_class parent_class
+G_DEFINE_TYPE_WITH_CODE (RsnParSetter, rsn_parsetter, GST_TYPE_ELEMENT,
+ GST_DEBUG_CATEGORY_INIT (rsn_parsetter_debug, "rsnparsetter", 0,
+ "Resin DVD aspect ratio adjuster"));
static void rsn_parsetter_finalize (GObject * object);
-static GstFlowReturn rsn_parsetter_chain (GstPad * pad, GstBuffer * buf);
-static gboolean rsn_parsetter_sink_event (GstPad * pad, GstEvent * event);
-static gboolean rsn_parsetter_sink_setcaps (GstPad * pad, GstCaps * caps);
-static GstFlowReturn rsn_parsetter_sink_bufferalloc (GstPad * pad,
- guint64 offset, guint size, GstCaps * caps, GstBuffer ** buf);
+static GstFlowReturn rsn_parsetter_chain (GstPad * pad,
+ RsnParSetter * parset, GstBuffer * buf);
+static gboolean rsn_parsetter_sink_event (GstPad * pad,
+ RsnParSetter * parset, GstEvent * event);
-static GstCaps *rsn_parsetter_src_getcaps (GstPad * pad);
+static gboolean rsn_parsetter_src_query (GstPad * pad, RsnParSetter * parset,
+ GstQuery * query);
static GstCaps *rsn_parsetter_convert_caps (RsnParSetter * parset,
GstCaps * caps, gboolean widescreen);
static gboolean rsn_parsetter_check_caps (RsnParSetter * parset,
GstCaps * caps);
+static void rsn_parsetter_update_caps (RsnParSetter * parset, GstCaps * caps);
static void
-rsn_parsetter_register_extra (GType rsn_parsetter_type)
-{
- GST_DEBUG_CATEGORY_INIT (rsn_parsetter_debug, "rsnparsetter", 0,
- "Resin DVD aspect ratio adjuster");
-}
-
-static void
-rsn_parsetter_base_init (gpointer gclass)
+rsn_parsetter_class_init (RsnParSetterClass * klass)
{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
- GstElementClass *element_class = GST_ELEMENT_CLASS (gclass);
+ gobject_class->finalize = rsn_parsetter_finalize;
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&src_factory));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_factory));
+
gst_element_class_set_metadata (element_class,
"Resin Aspect Ratio Setter", "Filter/Video",
"Overrides caps on video buffers to force a particular display ratio",
}
static void
-rsn_parsetter_class_init (RsnParSetterClass * klass)
-{
- GObjectClass *gobject_class;
-
- gobject_class = (GObjectClass *) klass;
-
- gobject_class->finalize = rsn_parsetter_finalize;
-}
-
-static void
-rsn_parsetter_init (RsnParSetter * parset, RsnParSetterClass * gclass)
+rsn_parsetter_init (RsnParSetter * parset)
{
parset->sinkpad = gst_pad_new_from_static_template (&sink_factory, "sink");
- gst_pad_set_getcaps_function (parset->sinkpad,
- GST_DEBUG_FUNCPTR (gst_pad_proxy_getcaps));
gst_pad_set_chain_function (parset->sinkpad,
- GST_DEBUG_FUNCPTR (rsn_parsetter_chain));
+ (GstPadChainFunction) GST_DEBUG_FUNCPTR (rsn_parsetter_chain));
gst_pad_set_event_function (parset->sinkpad,
- GST_DEBUG_FUNCPTR (rsn_parsetter_sink_event));
- gst_pad_set_setcaps_function (parset->sinkpad,
- GST_DEBUG_FUNCPTR (rsn_parsetter_sink_setcaps));
- gst_pad_set_bufferalloc_function (parset->sinkpad,
- GST_DEBUG_FUNCPTR (rsn_parsetter_sink_bufferalloc));
+ (GstPadEventFunction) GST_DEBUG_FUNCPTR (rsn_parsetter_sink_event));
+ GST_PAD_SET_PROXY_CAPS (parset->sinkpad);
+ GST_PAD_SET_PROXY_ALLOCATION (parset->sinkpad);
gst_element_add_pad (GST_ELEMENT (parset), parset->sinkpad);
parset->srcpad = gst_pad_new_from_static_template (&src_factory, "src");
- gst_pad_set_getcaps_function (parset->srcpad,
- GST_DEBUG_FUNCPTR (rsn_parsetter_src_getcaps));
+ gst_pad_set_query_function (parset->srcpad,
+ (GstPadQueryFunction) GST_DEBUG_FUNCPTR (rsn_parsetter_src_query));
+ GST_PAD_SET_PROXY_CAPS (parset->srcpad);
gst_element_add_pad (GST_ELEMENT (parset), parset->srcpad);
parset->caps_lock = g_mutex_new ();
}
static GstFlowReturn
-rsn_parsetter_chain (GstPad * pad, GstBuffer * buf)
+rsn_parsetter_chain (GstPad * pad, RsnParSetter * parset, GstBuffer * buf)
{
- RsnParSetter *parset = RSN_PARSETTER (GST_OBJECT_PARENT (pad));
- RsnMetaWrapped *meta;
-
- meta = RSN_META_WRAPPED_GET (buf);
-
- /* If this is a buffer we wrapped up earlier, unwrap it now */
- if (meta != NULL) {
- GstBuffer *wrap_buf = buf;
+ return gst_pad_push (parset->srcpad, buf);
+}
- if (meta->owner == GST_ELEMENT (parset)) {
- buf = rsn_meta_wrapped_unwrap_and_unref (wrap_buf, meta);
- GST_DEBUG_OBJECT (parset, "Unwrapping %p yields buffer %p with caps %"
- GST_PTR_FORMAT, wrap_buf, buf, GST_BUFFER_CAPS (buf));
+static gboolean
+rsn_parsetter_sink_event (GstPad * pad, RsnParSetter * parset, GstEvent * event)
+{
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_CUSTOM_DOWNSTREAM:{
+ const GstStructure *structure = gst_event_get_structure (event);
+
+ if (structure != NULL &&
+ gst_structure_has_name (structure, "application/x-gst-dvd")) {
+ const char *type = gst_structure_get_string (structure, "event");
+ if (type == NULL)
+ goto out;
+
+ if (strcmp (type, "dvd-video-format") == 0) {
+ gboolean is_widescreen;
+
+ gst_structure_get_boolean (structure, "video-widescreen",
+ &is_widescreen);
+
+ GST_DEBUG_OBJECT (parset, "Video is %s",
+ parset->is_widescreen ? "16:9" : "4:3");
+
+ g_mutex_lock (parset->caps_lock);
+ if (parset->is_widescreen != is_widescreen) {
+ /* Force caps check */
+ gst_caps_replace (&parset->in_caps_last, NULL);
+ gst_caps_replace (&parset->in_caps_converted, NULL);
+ }
+ parset->is_widescreen = is_widescreen;
+
+ /* FIXME: Added for testing: */
+ // parset->is_widescreen = FALSE;
+
+ g_mutex_unlock (parset->caps_lock);
+ }
+ }
+ break;
}
- }
-
- if (parset->outcaps != GST_BUFFER_CAPS (buf)) {
- if (parset->override_outcaps == FALSE &&
- gst_caps_is_equal (parset->outcaps, GST_BUFFER_CAPS (buf))) {
- /* Just update our output caps var */
- gst_caps_replace (&parset->outcaps, GST_BUFFER_CAPS (buf));
- goto out;
+ case GST_EVENT_CAPS:
+ {
+ GstCaps *caps = NULL;
+ gst_event_parse_caps (event, &caps);
+ rsn_parsetter_update_caps (parset, caps);
+ if (parset->override_outcaps) {
+ gst_event_unref (event);
+ GST_DEBUG_OBJECT (parset,
+ "Handling caps event. Overriding upstream caps"
+ " with %" GST_PTR_FORMAT, parset->outcaps);
+ event = gst_event_new_caps (parset->outcaps);
+ } else {
+ GST_DEBUG_OBJECT (parset,
+ "Handling caps event. Upstream caps %" GST_PTR_FORMAT
+ " acceptable", caps);
+ }
+ break;
}
-
- /* Replace the caps on the output buffer */
- buf = gst_buffer_make_metadata_writable (buf);
- gst_buffer_set_caps (buf, parset->outcaps);
-
- GST_DEBUG_OBJECT (parset,
- "Replacing caps on buffer %p with caps %" GST_PTR_FORMAT,
- buf, parset->outcaps);
+ default:
+ break;
}
out:
- return gst_pad_push (parset->srcpad, buf);
+ return gst_pad_event_default (pad, (GstObject *) (parset), event);
}
static gboolean
-rsn_parsetter_sink_event (GstPad * pad, GstEvent * event)
+rsn_parsetter_src_query (GstPad * pad, RsnParSetter * parset, GstQuery * query)
{
- RsnParSetter *parset = RSN_PARSETTER (gst_pad_get_parent (pad));
- const GstStructure *structure = gst_event_get_structure (event);
-
- if (structure != NULL &&
- gst_structure_has_name (structure, "application/x-gst-dvd")) {
- const char *type = gst_structure_get_string (structure, "event");
- if (type == NULL)
- goto out;
-
- if (strcmp (type, "dvd-video-format") == 0) {
- gboolean is_widescreen;
+ GstCaps *caps = NULL;
- gst_structure_get_boolean (structure, "video-widescreen", &is_widescreen);
+ if (!gst_pad_peer_query (parset->sinkpad, query))
+ return FALSE;
- GST_DEBUG_OBJECT (parset, "Video is %s",
- parset->is_widescreen ? "16:9" : "4:3");
+ if (GST_QUERY_TYPE (query) != GST_QUERY_CAPS)
+ return TRUE;
- g_mutex_lock (parset->caps_lock);
- if (parset->is_widescreen != is_widescreen) {
- /* Force caps check */
- gst_caps_replace (&parset->in_caps_last, NULL);
- gst_caps_replace (&parset->in_caps_converted, NULL);
- }
- parset->is_widescreen = is_widescreen;
-
- /* FIXME: Added for testing: */
- // parset->is_widescreen = FALSE;
+ gst_query_parse_caps_result (query, &caps);
- g_mutex_unlock (parset->caps_lock);
- }
- }
+ GST_DEBUG_OBJECT (parset, "Handling caps query. Upstream caps %"
+ GST_PTR_FORMAT, caps);
-out:
- gst_object_unref (GST_OBJECT (parset));
- return gst_pad_event_default (pad, event);
-}
-
-static GstCaps *
-rsn_parsetter_src_getcaps (GstPad * pad)
-{
- RsnParSetter *parset = RSN_PARSETTER (gst_pad_get_parent (pad));
- GstCaps *ret;
- const GstCaps *templ_caps = gst_pad_get_pad_template_caps (pad);
-
- ret = gst_pad_peer_get_caps (parset->sinkpad);
- if (ret == NULL)
- ret = gst_caps_copy (templ_caps);
- else {
- GstCaps *temp;
- temp = gst_caps_intersect (templ_caps, ret);
- gst_caps_unref (ret);
- ret = rsn_parsetter_convert_caps (parset, temp, parset->is_widescreen);
- gst_caps_unref (temp);
+ if (caps == NULL) {
+ GstCaps *templ_caps = gst_pad_get_pad_template_caps (pad);
+ gst_query_set_caps_result (query, templ_caps);
+ gst_caps_unref (templ_caps);
+ } else {
+ caps = rsn_parsetter_convert_caps (parset, caps, parset->is_widescreen);
+ gst_query_set_caps_result (query, caps);
+ gst_caps_unref (caps);
}
- gst_object_unref (parset);
- return ret;
+ return TRUE;
}
+/* Check if the DAR of the passed matches the required DAR */
static gboolean
rsn_parsetter_check_caps (RsnParSetter * parset, GstCaps * caps)
{
g_mutex_lock (parset->caps_lock);
- if (caps == parset->in_caps_last ||
- gst_caps_is_equal (caps, parset->in_caps_last)) {
+ if (parset->in_caps_last &&
+ (caps == parset->in_caps_last ||
+ gst_caps_is_equal (caps, parset->in_caps_last))) {
ret = parset->in_caps_was_ok;
goto out;
}
return outcaps;
}
-static gboolean
-rsn_parsetter_sink_setcaps (GstPad * pad, GstCaps * caps)
+static void
+rsn_parsetter_update_caps (RsnParSetter * parset, GstCaps * caps)
{
/* Check the new incoming caps against our current DAR, and mark
- * whether the buffers will need adjusting */
- RsnParSetter *parset = RSN_PARSETTER (gst_pad_get_parent (pad));
-
+ * whether the caps need adjusting */
if (rsn_parsetter_check_caps (parset, caps)) {
parset->override_outcaps = FALSE;
gst_caps_replace (&parset->outcaps, caps);
GST_DEBUG_OBJECT (parset, "caps changed: need_override now = %d",
parset->override_outcaps);
-
- gst_object_unref (parset);
- return TRUE;
-}
-
-static GstFlowReturn
-rsn_parsetter_sink_bufferalloc (GstPad * pad, guint64 offset, guint size,
- GstCaps * caps, GstBuffer ** buf)
-{
- RsnParSetter *parset = RSN_PARSETTER (gst_pad_get_parent (pad));
- GstFlowReturn ret;
-
- GST_LOG_OBJECT (parset, "Entering bufferalloc");
-
- if (rsn_parsetter_check_caps (parset, caps)) {
- ret = gst_pad_alloc_buffer (parset->srcpad, offset, size, caps, buf);
- GST_LOG_OBJECT (parset, "Not wrapping buf %p", *buf);
- } else {
- /* Allocate and wrap a downstream buffer */
- GstBuffer *orig_buf;
- GstBuffer *outbuf;
- GstCaps *override_caps = rsn_parsetter_convert_caps (parset, caps,
- parset->is_widescreen);
-
- ret = gst_pad_alloc_buffer (parset->srcpad, offset, size,
- override_caps, &orig_buf);
- gst_caps_unref (override_caps);
-
- if (ret != GST_FLOW_OK)
- return ret;
-
- outbuf = rsn_wrapped_buffer_new (orig_buf, GST_ELEMENT_CAST (parset));
- if (!outbuf) {
- /* FIXME: Throw error */
- return GST_FLOW_ERROR;
- }
-
- gst_buffer_set_caps (outbuf, caps);
-
- GST_LOG_OBJECT (parset,
- "Wrapped ds buf %p with caps %" GST_PTR_FORMAT
- " into new buf %p with caps %" GST_PTR_FORMAT,
- orig_buf, GST_BUFFER_CAPS (orig_buf), outbuf, GST_BUFFER_CAPS (outbuf));
-
- *buf = outbuf;
- }
-
- gst_object_unref (GST_OBJECT (parset));
-
- return ret;
}
+++ /dev/null
-/* GStreamer
- * Copyright (C) 2008 Jan Schmidt <thaytan@noraisin.net>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
- */
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <string.h>
-
-#include <gst/gst.h>
-
-#include "rsnwrappedbuffer.h"
-
-GstBuffer *
-rsn_wrapped_buffer_new (GstBuffer * buf_to_wrap, GstElement * owner)
-{
- GstBuffer *buf;
- RsnMetaWrapped *meta;
-
- g_return_val_if_fail (buf_to_wrap, NULL);
-
- buf = gst_buffer_new ();
- meta = RSN_META_WRAPPED_ADD (buf);
-
- meta->wrapped_buffer = buf_to_wrap;
- meta->owner = gst_object_ref (owner);
-
- GST_BUFFER_DATA (buf) = GST_BUFFER_DATA (buf_to_wrap);
- GST_BUFFER_SIZE (buf) = GST_BUFFER_SIZE (buf_to_wrap);
- gst_buffer_copy_metadata (GST_BUFFER (buf), buf_to_wrap, GST_BUFFER_COPY_ALL);
-
- /* If the wrapped buffer isn't writable, make sure this one isn't either */
- if (!gst_buffer_is_writable (buf_to_wrap))
- GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_READONLY);
-
- return buf;
-}
-
-void
-rsn_meta_wrapped_set_owner (RsnMetaWrapped * meta, GstElement * owner)
-{
- g_return_if_fail (meta != NULL);
-
- if (meta->owner)
- gst_object_unref (meta->owner);
-
- if (owner)
- gst_object_ref (owner);
-
- meta->owner = owner;
-}
-
-GstBuffer *
-rsn_meta_wrapped_unwrap_and_unref (GstBuffer * wrap_buf, RsnMetaWrapped * meta)
-{
- GstBuffer *buf;
- gboolean is_readonly;
-
- g_return_val_if_fail (wrap_buf != NULL, NULL);
- g_return_val_if_fail (meta->wrapped_buffer != NULL, NULL);
-
- buf = gst_buffer_ref (meta->wrapped_buffer);
- buf = gst_buffer_make_metadata_writable (buf);
-
- /* Copy changed metadata back to the wrapped buffer from the wrapper,
- * except the the read-only flag and the caps. */
- is_readonly = GST_BUFFER_FLAG_IS_SET (wrap_buf, GST_BUFFER_FLAG_READONLY);
- gst_buffer_copy_metadata (buf, GST_BUFFER (wrap_buf),
- GST_BUFFER_COPY_FLAGS | GST_BUFFER_COPY_TIMESTAMPS);
- if (!is_readonly)
- GST_BUFFER_FLAG_UNSET (buf, GST_BUFFER_FLAG_READONLY);
-
- gst_buffer_unref (wrap_buf);
-
- return buf;
-}
-
-static void
-rsn_meta_wrapped_init (RsnMetaWrapped * meta, GstBuffer * buffer)
-{
- meta->owner = NULL;
-}
-
-static void
-rsn_meta_wrapped_free (RsnMetaWrapped * meta, GstBuffer * buffer)
-{
- gst_buffer_unref (meta->wrapped_buffer);
- if (meta->owner)
- gst_object_unref (meta->owner);
-}
-
-const GstMetaInfo *
-rsn_meta_wrapped_get_info (void)
-{
- static const GstMetaInfo *meta_info = NULL;
-
- if (meta_info == NULL) {
- meta_info = gst_meta_register ("RsnMetaWrapped", "RsnMetaWrapped",
- sizeof (RsnMetaWrapped),
- (GstMetaInitFunction) rsn_meta_wrapped_init,
- (GstMetaFreeFunction) rsn_meta_wrapped_free,
- (GstMetaTransformFunction) NULL,
- (GstMetaSerializeFunction) NULL, (GstMetaDeserializeFunction) NULL);
- }
- return meta_info;
-}
projects / platform / upstream / gstreamer.git / commitdiff