omxh264enc: Add H.264 encoder element

omx/Makefile.am

@@ -7,6 +7,7 @@ libgstopenmax_la_SOURCES = \
 	gstomxmpeg4videodec.c \
 	gstomxh264dec.c \
 	gstomxmpeg4videoenc.c \
+	gstomxh264enc.c \
 	gstbasevideocodec.c \
 	gstbasevideodecoder.c \
 	gstbasevideoencoder.c \
@@ -19,6 +20,7 @@ noinst_HEADERS = \
 	gstomxmpeg4videodec.h \
 	gstomxh264dec.h \
 	gstomxmpeg4videoenc.h \
+	gstomxh264enc.h \
 	gstbasevideocodec.h \
 	gstbasevideodecoder.h \
 	gstbasevideoencoder.h \

omx/gstomx.c

@@ -29,6 +29,7 @@
 #include "gstomxmpeg4videodec.h"
 #include "gstomxh264dec.h"
 #include "gstomxmpeg4videoenc.h"
+#include "gstomxh264enc.h"
 
 GST_DEBUG_CATEGORY (gstomx_debug);
 #define GST_CAT_DEFAULT gstomx_debug
@@ -1632,7 +1633,7 @@ GQuark gst_omx_element_name_quark = 0;
 
 static GType (*types[]) (void) = {
 gst_omx_mpeg4_video_dec_get_type, gst_omx_h264_dec_get_type,
-      gst_omx_mpeg4_video_enc_get_type};
+      gst_omx_mpeg4_video_enc_get_type, gst_omx_h264_enc_get_type};
 
 static GKeyFile *config = NULL;
 GKeyFile *

omx/gstomxh264enc.c

@@ -0,0 +1,125 @@
+/*
+ * Copyright (C) 2011, Hewlett-Packard Development Company, L.P.
+ *   Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>, Collabora Ltd.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation
+ * version 2.1 of the License.
+ *
+ * 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gst/gst.h>
+
+#include "gstomxh264enc.h"
+
+GST_DEBUG_CATEGORY_STATIC (gst_omx_h264_enc_debug_category);
+#define GST_CAT_DEFAULT gst_omx_h264_enc_debug_category
+
+/* prototypes */
+static void gst_omx_h264_enc_finalize (GObject * object);
+static gboolean gst_omx_h264_enc_set_format (GstOMXVideoEnc * enc,
+    GstOMXPort * port, GstVideoState * state);
+static GstCaps *gst_omx_h264_enc_get_caps (GstOMXVideoEnc * enc,
+    GstOMXPort * port, GstVideoState * state);
+
+enum
+{
+  PROP_0
+};
+
+/* class initialization */
+
+#define DEBUG_INIT(bla) \
+  GST_DEBUG_CATEGORY_INIT (gst_omx_h264_enc_debug_category, "omxh264enc", 0, \
+      "debug category for gst-omx video encoder base class");
+
+GST_BOILERPLATE_FULL (GstOMXH264Enc, gst_omx_h264_enc,
+    GstOMXVideoEnc, GST_TYPE_OMX_VIDEO_ENC, DEBUG_INIT);
+
+static void
+gst_omx_h264_enc_base_init (gpointer g_class)
+{
+  GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+  GstOMXVideoEncClass *videoenc_class = GST_OMX_VIDEO_ENC_CLASS (g_class);
+
+  gst_element_class_set_details_simple (element_class,
+      "OpenMAX H.264 Video Encoder",
+      "Codec/Encoder/Video",
+      "Encode H.264 video streams",
+      "Sebastian Dröge <sebastian.droege@collabora.co.uk>");
+
+  /* If no role was set from the config file we set the
+   * default H264 video encoder role */
+  if (!videoenc_class->component_role)
+    videoenc_class->component_role = "video_encoder.avc";
+}
+
+static void
+gst_omx_h264_enc_class_init (GstOMXH264EncClass * klass)
+{
+  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+  GstOMXVideoEncClass *videoenc_class = GST_OMX_VIDEO_ENC_CLASS (klass);
+
+  gobject_class->finalize = gst_omx_h264_enc_finalize;
+
+  videoenc_class->set_format = GST_DEBUG_FUNCPTR (gst_omx_h264_enc_set_format);
+  videoenc_class->get_caps = GST_DEBUG_FUNCPTR (gst_omx_h264_enc_get_caps);
+
+  videoenc_class->default_src_template_caps = "video/x-h264, "
+      "width=(int) [ 16, 4096 ], " "height=(int) [ 16, 4096 ]";
+  videoenc_class->default_sink_template_caps = GST_VIDEO_CAPS_YUV ("I420");
+}
+
+static void
+gst_omx_h264_enc_init (GstOMXH264Enc * self, GstOMXH264EncClass * klass)
+{
+}
+
+static void
+gst_omx_h264_enc_finalize (GObject * object)
+{
+  /* GstOMXH264Enc *self = GST_OMX_H264_VIDEO_ENC (object); */
+
+  G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static gboolean
+gst_omx_h264_enc_set_format (GstOMXVideoEnc * enc, GstOMXPort * port,
+    GstVideoState * state)
+{
+  return TRUE;
+}
+
+static GstCaps *
+gst_omx_h264_enc_get_caps (GstOMXVideoEnc * enc, GstOMXPort * port,
+    GstVideoState * state)
+{
+  GstCaps *caps;
+
+  caps =
+      gst_caps_new_simple ("video/x-h264", "width", G_TYPE_INT, state->width,
+      "height", G_TYPE_INT, state->height, NULL);
+
+  if (state->fps_n != 0)
+    gst_caps_set_simple (caps, "framerate", GST_TYPE_FRACTION, state->fps_n,
+        state->fps_d, NULL);
+  if (state->par_n != 1 || state->par_d != 1)
+    gst_caps_set_simple (caps, "pixel-aspect-ratio", GST_TYPE_FRACTION,
+        state->par_n, state->par_d, NULL);
+
+  return caps;
+}

omx/gstomxh264enc.h

@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2011, Hewlett-Packard Development Company, L.P.
+ *   Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>, Collabora Ltd.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation
+ * version 2.1 of the License.
+ *
+ * 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
+ *
+ */
+
+#ifndef __GST_OMX_H264_ENC_H__
+#define __GST_OMX_H264_ENC_H__
+
+#include <gst/gst.h>
+#include "gstomxvideoenc.h"
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_OMX_H264_ENC \
+  (gst_omx_h264_enc_get_type())
+#define GST_OMX_H264_ENC(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OMX_H264_ENC,GstOMXH264Enc))
+#define GST_OMX_H264_ENC_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OMX_H264_ENC,GstOMXH264EncClass))
+#define GST_OMX_H264_ENC_GET_CLASS(obj) \
+  (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_OMX_H264_ENC,GstOMXH264EncClass))
+#define GST_IS_OMX_H264_ENC(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OMX_H264_ENC))
+#define GST_IS_OMX_H264_ENC_CLASS(obj) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OMX_H264_ENC))
+
+typedef struct _GstOMXH264Enc GstOMXH264Enc;
+typedef struct _GstOMXH264EncClass GstOMXH264EncClass;
+
+struct _GstOMXH264Enc
+{
+  GstOMXVideoEnc parent;
+};
+
+struct _GstOMXH264EncClass
+{
+  GstOMXVideoEncClass parent_class;
+};
+
+GType gst_omx_h264_enc_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_OMX_H264_ENC_H__ */
+