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-rw-r--r--ext/resindvd/rsnparsetter.c402
1 files changed, 0 insertions, 402 deletions
diff --git a/ext/resindvd/rsnparsetter.c b/ext/resindvd/rsnparsetter.c
deleted file mode 100644
index f2f328c2..00000000
--- a/ext/resindvd/rsnparsetter.c
+++ /dev/null
@@ -1,402 +0,0 @@
-/*
- * Copyright (C) 2008 Jan Schmidt <thaytan@noraisin.net>
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <gst/gst.h>
-#include <gst/glib-compat-private.h>
-#include <gst/video/video.h>
-#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")
- );
-
-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")
- );
-
-static void rsn_parsetter_register_extra (GType rsn_parsetter_type);
-
-GST_BOILERPLATE_FULL (RsnParSetter, rsn_parsetter, GstElement,
- GST_TYPE_ELEMENT, rsn_parsetter_register_extra);
-
-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 GstCaps *rsn_parsetter_src_getcaps (GstPad * pad);
-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_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)
-{
-
- GstElementClass *element_class = GST_ELEMENT_CLASS (gclass);
-
- 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_details_simple (element_class,
- "Resin Aspect Ratio Setter", "Filter/Video",
- "Overrides caps on video buffers to force a particular display ratio",
- "Jan Schmidt <thaytan@noraisin.net>");
-}
-
-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)
-{
- 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));
- 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));
- 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_element_add_pad (GST_ELEMENT (parset), parset->srcpad);
-
- parset->caps_lock = g_mutex_new ();
-}
-
-static void
-rsn_parsetter_finalize (GObject * object)
-{
- RsnParSetter *parset = RSN_PARSETTER (object);
-
- gst_caps_replace (&parset->outcaps, NULL);
- gst_caps_replace (&parset->in_caps_last, NULL);
- gst_caps_replace (&parset->in_caps_converted, NULL);
-
- g_mutex_free (parset->caps_lock);
-
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-static GstFlowReturn
-rsn_parsetter_chain (GstPad * pad, 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;
-
- 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));
- }
- }
-
- 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;
- }
-
- /* 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);
- }
-
-out:
- return gst_pad_push (parset->srcpad, buf);
-}
-
-static gboolean
-rsn_parsetter_sink_event (GstPad * pad, GstEvent * event)
-{
- 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;
-
- 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);
- }
- }
-
-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);
- }
-
- gst_object_unref (parset);
- return ret;
-}
-
-static gboolean
-rsn_parsetter_check_caps (RsnParSetter * parset, GstCaps * caps)
-{
- GstStructure *s;
- gint width, height;
- gint par_n, par_d;
- guint dar_n, dar_d;
- gboolean ret = FALSE;
-
- g_mutex_lock (parset->caps_lock);
-
- if (caps == parset->in_caps_last ||
- gst_caps_is_equal (caps, parset->in_caps_last)) {
- ret = parset->in_caps_was_ok;
- goto out;
- }
-
- /* Calculate the DAR from the incoming caps, and return TRUE if it matches
- * the required DAR, FALSE if not */
- s = gst_caps_get_structure (caps, 0);
- if (s == NULL)
- goto out;
-
- if (!gst_structure_get_int (s, "width", &width) ||
- !gst_structure_get_int (s, "height", &height))
- goto out;
-
- if (!gst_structure_get_fraction (s, "pixel-aspect-ratio", &par_n, &par_d))
- par_n = par_d = 1;
-
- if (!gst_video_calculate_display_ratio (&dar_n, &dar_d, width, height,
- par_n, par_d, 1, 1))
- goto out;
-
- GST_DEBUG_OBJECT (parset,
- "Incoming video caps now: w %d h %d PAR %d/%d = DAR %d/%d",
- width, height, par_n, par_d, dar_n, dar_d);
-
- if (parset->is_widescreen) {
- if (dar_n == 16 && dar_d == 9)
- ret = TRUE;
- } else {
- if (dar_n == 4 && dar_d == 3)
- ret = TRUE;
- }
-
- gst_caps_replace (&parset->in_caps_last, caps);
- gst_caps_replace (&parset->in_caps_converted, NULL);
- parset->in_caps_was_ok = ret;
-
-out:
- g_mutex_unlock (parset->caps_lock);
- return ret;
-}
-
-static GstCaps *
-rsn_parsetter_convert_caps (RsnParSetter * parset, GstCaps * caps,
- gboolean widescreen)
-{
- /* Duplicate the given caps, with a PAR that provides the desired DAR */
- GstCaps *outcaps;
- GstStructure *s;
- gint width, height;
- gint par_n, par_d;
- guint dar_n, dar_d;
- GValue par = { 0, };
-
- g_mutex_lock (parset->caps_lock);
- if (caps == parset->in_caps_last && parset->in_caps_converted) {
- outcaps = gst_caps_ref (parset->in_caps_converted);
- goto out;
- }
-
- outcaps = gst_caps_copy (caps);
-
- /* Calculate the DAR from the incoming caps, and return TRUE if it matches
- * the required DAR, FALSE if not */
- s = gst_caps_get_structure (outcaps, 0);
- if (s == NULL)
- goto out;
-
- if (!gst_structure_get_int (s, "width", &width) ||
- !gst_structure_get_int (s, "height", &height))
- goto out;
-
- if (widescreen) {
- dar_n = 16;
- dar_d = 9;
- } else {
- dar_n = 4;
- dar_d = 3;
- }
-
- par_n = dar_n * height;
- par_d = dar_d * width;
-
- g_value_init (&par, GST_TYPE_FRACTION);
- gst_value_set_fraction (&par, par_n, par_d);
- gst_structure_set_value (s, "pixel-aspect-ratio", &par);
- g_value_unset (&par);
-
- gst_caps_replace (&parset->in_caps_converted, outcaps);
-out:
- g_mutex_unlock (parset->caps_lock);
- return outcaps;
-}
-
-static gboolean
-rsn_parsetter_sink_setcaps (GstPad * pad, 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));
-
- if (rsn_parsetter_check_caps (parset, caps)) {
- parset->override_outcaps = FALSE;
- gst_caps_replace (&parset->outcaps, caps);
- } else {
- GstCaps *override_caps = rsn_parsetter_convert_caps (parset, caps,
- parset->is_widescreen);
- if (parset->outcaps)
- gst_caps_unref (parset->outcaps);
- parset->outcaps = override_caps;
-
- parset->override_outcaps = TRUE;
- }
-
- 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;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-06 08:43:36 +0000