some s/KHz/Hz/ fixes in osssrc consistency-with-the-rest-of-gst adjustments

Original commit message from CVS:
* some s/KHz/Hz/ fixes in osssrc
* added dxr3 plugin from rehan khwaja <rehankhwaja@yahoo.com>, with some
consistency-with-the-rest-of-gst adjustments

1 files changed, 382 insertions, 0 deletions

diff --git a/sys/dxr3/gstdxr3videosink.c b/sys/dxr3/gstdxr3videosink.c
new file mode 100644
index 00000000..24dbed39
--- /dev/null
+++ b/sys/dxr3/gstdxr3videosink.c
@@ -0,0 +1,382 @@
+/* GStreamer DXR3 Hardware MPEG video decoder plugin
+ * Copyright (C) <2002> Rehan Khwaja <rehankhwaja@yahoo.com>
+ *
+ * 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.
+ */
+
+
+#include <string.h>
+#include <fcntl.h>
+#include "gstdxr3videosink.h"
+#include <sys/ioctl.h>
+#include <linux/em8300.h>
+
+
+enum {
+  ARG_0,
+  ARG_TV_MODE,
+  ARG_DEVICE,
+  ARG_ASPECT_RATIO
+  /* TODO -
+   * DIGITAL/ANALOG AUDIO OUT
+   * OVERLAY MODE
+   * SET BCS??  what's that?
+   * OVERLAY ATTRIBUTES - where on the screen to put image
+   * OVERLAY WINDOW - as above
+   * OVERLAY KEYCOLOR
+   * OVERLAY SIGNAL MODE
+   * PLAYMODE - pausing, playing, slow forward etc
+   */
+};
+
+static void	gst_dxr3_video_sink_class_init	(GstDxr3VideoSinkClass *klass);
+static void	gst_dxr3_video_sink_init		(GstDxr3VideoSink *example);
+
+static void	gst_dxr3_video_sink_chain		(GstPad *pad, GstBuffer *buf);
+
+static void	gst_dxr3_video_sink_set_property	(GObject *object, guint prop_id,
+						 const GValue *value, GParamSpec *pspec);
+static void	gst_dxr3_video_sink_get_property	(GObject *object, guint prop_id,
+						 GValue *value, GParamSpec *pspec);
+static gboolean	gst_dxr3_video_sink_handle_event	(GstPad *pad, GstEvent *event);
+static void	gst_dxr3_video_sink_set_clock		(GstElement *element, GstClock *clock);
+
+
+static GstElementClass *parent_class = NULL;
+
+
+#define GST_TYPE_DXR3_VIDEO_SINK_ASPECT_RATIOS (gst_dxr3_video_sink_aspect_ratios_get_type())
+static GType
+gst_dxr3_video_sink_aspect_ratios_get_type(void) {
+  static GType dxr3_video_sink_aspect_ratio_type = 0;
+  static GEnumValue dxr3_video_sink_aspect_ratios[] = {
+    {0, "0", "4:3"},
+    {1, "1", "16:9"},
+    {0, NULL, NULL},
+  };
+  if (!dxr3_video_sink_aspect_ratio_type) {
+    dxr3_video_sink_aspect_ratio_type = g_enum_register_static("GstDxr3VideoSinkAspectRatios", dxr3_video_sink_aspect_ratios);
+  }
+  return dxr3_video_sink_aspect_ratio_type;
+}
+
+#define GST_TYPE_DXR3_VIDEO_SINK_TV_MODES (gst_dxr3_video_sink_tv_modes_get_type())
+static GType
+gst_dxr3_video_sink_tv_modes_get_type(void) {
+  static GType dxr3_video_sink_tv_mode_type = 0;
+  static GEnumValue dxr3_video_sink_tv_modes[] = {
+    {0, "0", "NTSC"},
+    {1, "1", "PAL"},
+    {0, NULL, NULL},
+  };
+  if (!dxr3_video_sink_tv_mode_type) {
+    dxr3_video_sink_tv_mode_type = g_enum_register_static("GstDxr3VideoSinkTvModes", dxr3_video_sink_tv_modes);
+  }
+  return dxr3_video_sink_tv_mode_type;
+}
+
+static void
+gst_dxr3_video_sink_set_clock(GstElement *element, GstClock *clock)
+{
+  GstDxr3VideoSink *dxr3_video_sink;
+
+  dxr3_video_sink = GST_DXR3_VIDEO_SINK(element);
+  dxr3_video_sink->clock = clock;
+}
+
+GType
+gst_dxr3_video_sink_get_type(void)
+{
+  static GType dxr3_video_sink_type = 0;
+
+  if (!dxr3_video_sink_type) {
+    static const GTypeInfo dxr3_video_sink_info = {
+      sizeof(GstDxr3VideoSinkClass),      NULL,
+      NULL,
+      (GClassInitFunc)gst_dxr3_video_sink_class_init,
+      NULL,
+      NULL,
+      sizeof(GstDxr3VideoSink),
+      0,
+      (GInstanceInitFunc)gst_dxr3_video_sink_init,
+    };
+    dxr3_video_sink_type = g_type_register_static(GST_TYPE_ELEMENT, "GstDxr3VideoSink", &dxr3_video_sink_info, 0);
+  }
+  return dxr3_video_sink_type;
+}
+
+static gchar *
+gst_dxr3_video_sink_get_control_device(GstDxr3VideoSink *dxr3_video_sink)
+{
+  return g_strdup_printf("/dev/em8300-%d", dxr3_video_sink->device_number);
+}
+
+static gchar *
+gst_dxr3_video_sink_get_video_device(GstDxr3VideoSink *dxr3_video_sink)
+{
+  return g_strdup_printf("/dev/em8300_mv-%d", dxr3_video_sink->device_number);
+}
+
+static void
+gst_dxr3_video_sink_class_init (GstDxr3VideoSinkClass *klass)
+{
+  GObjectClass *gobject_class;
+  GstElementClass *gstelement_class;
+
+  gobject_class = (GObjectClass*)klass;
+  gstelement_class = (GstElementClass*)klass;
+
+  parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
+
+  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_TV_MODE,
+    g_param_spec_enum("tv-mode","tv-mode","sets NTSC/PAL output format",
+                     GST_TYPE_DXR3_VIDEO_SINK_TV_MODES, 0, G_PARAM_READWRITE));
+
+  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_DEVICE,
+    g_param_spec_int("device","device","sets/returns board number",
+                     0,3,0,G_PARAM_READWRITE));
+
+  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_ASPECT_RATIO,
+    g_param_spec_enum("aspect-ratio", "aspect-ratio", "sets/returns aspect ratio",
+                     GST_TYPE_DXR3_VIDEO_SINK_ASPECT_RATIOS, 0, G_PARAM_READWRITE));
+
+  gobject_class->set_property = gst_dxr3_video_sink_set_property;
+  gobject_class->get_property = gst_dxr3_video_sink_get_property;
+}
+
+static void
+gst_dxr3_video_sink_open_device(GstDxr3VideoSink *dxr3_video_sink)
+{
+  gchar *video_device_path;
+
+  video_device_path = gst_dxr3_video_sink_get_video_device(dxr3_video_sink);
+  if (dxr3_video_sink->device){
+    fclose(dxr3_video_sink->device);
+  }
+  /* this is what disksink uses */
+  dxr3_video_sink->device = fopen(video_device_path, "w");
+
+  g_free(video_device_path);
+}
+
+static void
+gst_dxr3_video_sink_init(GstDxr3VideoSink *dxr3_video_sink)
+{
+  dxr3_video_sink->sinkpad = gst_pad_new_from_template (
+		  GST_PADTEMPLATE_GET (dxr3_video_sink_factory), "video_sink");
+  gst_pad_set_chain_function(dxr3_video_sink->sinkpad, gst_dxr3_video_sink_chain);
+  gst_element_add_pad(GST_ELEMENT(dxr3_video_sink),dxr3_video_sink->sinkpad);
+
+  dxr3_video_sink->device_number = 0;
+  dxr3_video_sink->device = 0;
+  /* FIXME - should only have device open when necessary
+   * which probably requires handling events?
+   * also, when is this device closed?
+   */
+  gst_dxr3_video_sink_open_device(dxr3_video_sink);
+
+  GST_FLAG_SET (GST_ELEMENT(dxr3_video_sink), GST_ELEMENT_EVENT_AWARE);
+  gst_pad_set_event_function(dxr3_video_sink->sinkpad, gst_dxr3_video_sink_handle_event);
+
+  dxr3_video_sink->clock = NULL;
+  GST_ELEMENT(dxr3_video_sink)->setclockfunc = gst_dxr3_video_sink_set_clock;
+}
+
+static gboolean
+gst_dxr3_video_sink_handle_event(GstPad *pad, GstEvent *event)
+{
+  GstEventType type;
+
+  type = event ? GST_EVENT_TYPE (event) : GST_EVENT_UNKNOWN;
+
+  switch (type) {
+    case GST_EVENT_SEEK:
+      g_print("seek event\n\n");
+      break;
+    case GST_EVENT_NEW_MEDIA:
+      g_print("new media event\n\n");
+      break;
+    case GST_EVENT_FLUSH:
+      g_print("flush event\n\n");
+      break;
+    default:
+      g_print("event\n\n");
+      gst_pad_event_default (pad, event);
+      break;
+  }
+
+  return TRUE;
+}
+
+static void
+gst_dxr3_video_sink_chain (GstPad *pad, GstBuffer *buf)
+{
+  GstDxr3VideoSink *dxr3_video_sink;
+  long pts;
+
+  /* Some of these checks are of dubious value, since if there were not
+   * already true, the chain function would never be called.
+   */
+  g_return_if_fail(pad != NULL);
+  g_return_if_fail(GST_IS_PAD(pad));
+  g_return_if_fail(buf != NULL);
+
+  dxr3_video_sink = GST_DXR3_VIDEO_SINK(gst_pad_get_parent (pad));
+
+  g_return_if_fail(dxr3_video_sink != NULL);
+  g_return_if_fail(GST_IS_DXR3_VIDEO_SINK(dxr3_video_sink));
+
+  /* Copy the data in the incoming buffer onto the device. */
+  fwrite(GST_BUFFER_DATA (buf), 1, GST_BUFFER_SIZE (buf), dxr3_video_sink->device);
+  pts = (long)GST_BUFFER_TIMESTAMP(buf);
+  if (-1 == ioctl((int)dxr3_video_sink->device, EM8300_IOCTL_VIDEO_SETPTS, &pts)){
+    GST_DEBUG(0, "FAILED call to EM8300_IOCTL_VIDEO_SETPTS\n");
+  }
+
+  gst_buffer_unref (buf);
+}
+
+static void
+gst_dxr3_video_sink_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+{
+  GstDxr3VideoSink *dxr3_video_sink;
+  int device;
+  gchar *device_path;
+  int tv_mode_ioctl, aspect_ratio_ioctl;
+
+  g_return_if_fail(GST_IS_DXR3_VIDEO_SINK(object));
+
+  dxr3_video_sink = GST_DXR3_VIDEO_SINK(object);
+
+  switch (prop_id) {
+    case ARG_TV_MODE:
+      device_path = gst_dxr3_video_sink_get_control_device(dxr3_video_sink);
+      device = open(device_path, O_WRONLY);
+      if (device == -1){
+        GST_DEBUG(0, "failed to open control device\n");
+	break;
+      }
+      switch(g_value_get_int(value)){
+      case 0:
+        tv_mode_ioctl = EM8300_VIDEOMODE_NTSC;
+	break;
+      case 1:
+        tv_mode_ioctl = EM8300_VIDEOMODE_PAL;
+	break;
+      case 2:
+        tv_mode_ioctl = EM8300_VIDEOMODE_PAL60;
+	break;
+      }
+      if (-1 == ioctl(device, EM8300_IOCTL_SET_VIDEOMODE, &tv_mode_ioctl)){
+        GST_DEBUG (0,"failed to set tv-mode\n");
+      }
+      close(device);
+      break;
+    case ARG_DEVICE:
+      dxr3_video_sink->device_number = g_value_get_int(value);
+      gst_dxr3_video_sink_open_device(dxr3_video_sink);
+      break;
+    case ARG_ASPECT_RATIO:
+      device_path = gst_dxr3_video_sink_get_control_device(dxr3_video_sink);
+      device = open(device_path, O_WRONLY);
+      if (device == -1){
+        GST_DEBUG(0, "failed to open control device\n");
+	break;
+      }
+      switch(g_value_get_enum(value)){
+      case 0:
+        aspect_ratio_ioctl = EM8300_ASPECTRATIO_4_3;
+	break;
+      case 1:
+        aspect_ratio_ioctl = EM8300_ASPECTRATIO_16_9;
+	break;
+      }
+      if (-1 == ioctl(device, EM8300_IOCTL_SET_ASPECTRATIO, &aspect_ratio_ioctl)){
+        GST_DEBUG(0, "failed to set aspect-ratio\n");
+      }
+      break;
+    default:
+      break;
+  }
+}
+
+static void
+gst_dxr3_video_sink_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+{
+  GstDxr3VideoSink *dxr3_video_sink;
+  gint device;
+  gchar *device_path;
+  int tv_mode_ioctl, aspect_ratio_ioctl;
+
+  g_return_if_fail(GST_IS_DXR3_VIDEO_SINK(object));
+  dxr3_video_sink = GST_DXR3_VIDEO_SINK(object);
+
+  switch (prop_id) {
+    case ARG_TV_MODE:
+      device_path = gst_dxr3_video_sink_get_control_device(dxr3_video_sink);
+      tv_mode_ioctl = 0;
+      device = open(device_path, O_WRONLY);
+      if (-1 == device){
+        GST_DEBUG(0, "failed to open control device\n");
+	break;
+      }
+      if (-1 == ioctl(device, EM8300_IOCTL_GET_VIDEOMODE, &tv_mode_ioctl)){
+        GST_DEBUG(0, "failed to get tv-mode\n");
+      }
+      close(device);
+
+      switch(tv_mode_ioctl){
+      case EM8300_VIDEOMODE_NTSC:
+        g_value_set_enum(value, 0);
+	break;
+      case EM8300_VIDEOMODE_PAL:
+        g_value_set_enum(value, 1);
+	break;
+      case EM8300_VIDEOMODE_PAL60:
+        g_value_set_enum(value, 2);
+	break;
+      }
+      break;
+    case ARG_DEVICE:
+      g_value_set_int(value, dxr3_video_sink->device_number);
+      break;
+    case ARG_ASPECT_RATIO:
+      device_path = gst_dxr3_video_sink_get_control_device(dxr3_video_sink);
+      aspect_ratio_ioctl = 0;
+      device = open(device_path, O_WRONLY);
+      if (-1 == device){
+        GST_DEBUG(0, "failed to open control device\n");
+	break;
+      }
+      if (-1 == ioctl(device, EM8300_IOCTL_GET_ASPECTRATIO, &aspect_ratio_ioctl)){
+        GST_DEBUG(0, "failed to get aspect ratio\n");
+      }
+      close(device);
+
+      switch(aspect_ratio_ioctl){
+      case EM8300_ASPECTRATIO_4_3:
+        g_value_set_enum(value, 0);
+	break;
+      case EM8300_ASPECTRATIO_16_9:
+        g_value_set_enum(value, 1);
+        break;
+      }
+      break;
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+}