androidmedia: add support for video encoding

https://bugzilla.gnome.org/show_bug.cgi?id=705129

sys/androidmedia/Makefile.am

@@ -3,13 +3,15 @@ plugin_LTLIBRARIES = libgstandroidmedia.la
 libgstandroidmedia_la_SOURCES = \
 	gstamc.c \
 	gstamcaudiodec.c \
-	gstamcvideodec.c
+	gstamcvideodec.c \
+	gstamcvideoenc.c
 
 noinst_HEADERS = \
 	gstamc.h \
 	gstamc-constants.h \
 	gstamcaudiodec.h \
-	gstamcvideodec.h
+	gstamcvideodec.h \
+	gstamcvideoenc.h
 
 libgstandroidmedia_la_CFLAGS = \
 	$(GST_PLUGINS_BASE_CFLAGS) \

sys/androidmedia/gstamc.c

@@ -26,6 +26,7 @@
 #include "gstamc-constants.h"
 
 #include "gstamcvideodec.h"
+#include "gstamcvideoenc.h"
 #include "gstamcaudiodec.h"
 
 #include <gmodule.h>
@@ -2746,8 +2747,11 @@ register_codecs (GstPlugin * plugin)
       gchar *type_name, *element_name;
       guint rank;
 
-      if (is_video && !codec_info->is_encoder) {
+      if (is_video) {
-        type = gst_amc_video_dec_get_type ();
+        if (codec_info->is_encoder)
+          type = gst_amc_video_enc_get_type ();
+        else
+          type = gst_amc_video_dec_get_type ();
       } else if (is_audio && !codec_info->is_encoder) {
         type = gst_amc_audio_dec_get_type ();
       } else {

sys/androidmedia/gstamcvideoenc.h

@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2012, Collabora Ltd.
+ *   Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
+ *
+ * Copyright (C) 2013, Lemote Ltd.
+ *   Author: Chen Jie <chenj@lemote.com>
+ *
+ * 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_AMC_VIDEO_ENC_H__
+#define __GST_AMC_VIDEO_ENC_H__
+
+#include <gst/gst.h>
+
+#include <gst/video/gstvideoencoder.h>
+
+#include "gstamc.h"
+
+G_BEGIN_DECLS
+#define GST_TYPE_AMC_VIDEO_ENC \
+  (gst_amc_video_enc_get_type())
+#define GST_AMC_VIDEO_ENC(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AMC_VIDEO_ENC,GstAmcVideoEnc))
+#define GST_AMC_VIDEO_ENC_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_AMC_VIDEO_ENC,GstAmcVideoEncClass))
+#define GST_AMC_VIDEO_ENC_GET_CLASS(obj) \
+  (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_AMC_VIDEO_ENC,GstAmcVideoEncClass))
+#define GST_IS_AMC_VIDEO_ENC(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AMC_VIDEO_ENC))
+#define GST_IS_AMC_VIDEO_ENC_CLASS(obj) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_AMC_VIDEO_ENC))
+typedef struct _GstAmcVideoEnc GstAmcVideoEnc;
+typedef struct _GstAmcVideoEncClass GstAmcVideoEncClass;
+
+struct _GstAmcVideoEnc
+{
+  GstVideoEncoder parent;
+
+  /* < private > */
+  GstAmcCodec *codec;
+  GstAmcBuffer *input_buffers, *output_buffers;
+  gsize n_input_buffers, n_output_buffers;
+  GstAmcFormat *amc_format;
+
+  GstVideoCodecState *input_state;
+
+  /* Input format of the codec */
+  GstVideoFormat format;
+  gint width, height, stride, slice_height;
+  gint buffer_size;
+
+  guint bitrate;
+  guint i_frame_int;
+
+  /* TRUE if the component is configured and saw
+   * the first buffer */
+  gboolean started;
+  gboolean flushing;
+
+  GstClockTime last_upstream_ts;
+
+  /* Draining state */
+  GMutex drain_lock;
+  GCond drain_cond;
+  /* TRUE if EOS buffers shouldn't be forwarded */
+  gboolean draining;
+
+  /* TRUE if upstream is EOS */
+  gboolean eos;
+
+  GstFlowReturn downstream_flow_ret;
+};
+
+struct _GstAmcVideoEncClass
+{
+  GstVideoEncoderClass parent_class;
+
+  const GstAmcCodecInfo *codec_info;
+};
+
+GType gst_amc_video_enc_get_type (void);
+
+G_END_DECLS
+#endif /* __GST_AMC_VIDEO_ENC_H__ */