[MOVED FROM BAD 01/28] Add libx264-based h264 encoder plugin (#421110). Probably doesn't handle 'odd' widths and heights correctly yet.

Original commit message from CVS:
Patch by: Michal Benes <michal.benes at itonis tv>
Patch by: Josef Zlomek <josef.zlomek at itonis tv>
* configure.ac:
* ext/Makefile.am:
* ext/x264/Makefile.am:
* ext/x264/gstx264enc.c: (gst_x264_enc_me_get_type),
(gst_x264_enc_analyse_get_type),
(gst_x264_enc_timestamp_queue_init),
(gst_x264_enc_timestamp_queue_free),
(gst_x264_enc_timestamp_queue_put),
(gst_x264_enc_timestamp_queue_get), (gst_x264_enc_header_buf),
(gst_x264_enc_set_src_caps), (gst_x264_enc_sink_set_caps),
(gst_x264_enc_base_init), (gst_x264_enc_class_init),
(gst_x264_enc_init), (gst_x264_enc_init_encoder),
(gst_x264_enc_close_encoder), (gst_x264_enc_dispose),
(gst_x264_enc_sink_event), (gst_x264_enc_chain),
(gst_x264_enc_encode_frame), (gst_x264_enc_change_state),
(gst_x264_enc_set_property), (gst_x264_enc_get_property),
(plugin_init):
* ext/x264/gstx264enc.h:
Add libx264-based h264 encoder plugin (#421110). Probably doesn't
handle 'odd' widths and heights correctly yet.

ext/x264/Makefile.am

@@ -0,0 +1,8 @@
+plugin_LTLIBRARIES = libgstx264.la
+
+libgstx264_la_SOURCES = gstx264enc.c
+libgstx264_la_CFLAGS = $(X264_CFLAGS) $(GST_CFLAGS)
+libgstx264_la_LIBADD = $(X264_LIBS) $(GST_LIBS)
+libgstx264_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
+
+noinst_HEADERS = gstx264enc.h

ext/x264/gstx264enc.h

@@ -0,0 +1,97 @@
+/* GStreamer H264 encoder plugin
+ * Copyright (C) 2005 Michal Benes <michal.benes@itonis.tv>
+ * Copyright (C) 2005 Josef Zlomek <josef.zlomek@itonis.tv>
+ *
+ * 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.
+ */
+
+#ifndef __GST_X264_ENC_H__
+#define __GST_X264_ENC_H__
+
+#include <gst/gst.h>
+#include <_stdint.h>
+#include <x264.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_X264_ENC \
+  (gst_x264_enc_get_type())
+#define GST_X264_ENC(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_X264_ENC,GstX264Enc))
+#define GST_X264_ENC_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_X264_ENC,GstX264EncClass))
+#define GST_IS_X264_ENC(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_X264_ENC))
+#define GST_IS_X264_ENC_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_X264_ENC))
+
+typedef struct _GstX264Enc GstX264Enc;
+typedef struct _GstX264EncClass GstX264EncClass;
+ 
+struct _GstX264Enc
+{
+  GstElement element;
+
+  /*< private >*/
+  GstPad *sinkpad;
+  GstPad *srcpad;
+
+  x264_t *x264enc;
+  x264_param_t x264param;
+
+  guint threads;
+  guint pass;
+  gchar *stats_file;
+  gboolean byte_stream;
+  guint bitrate;
+  gint me;
+  guint subme;
+  guint analyse;
+  gboolean dct8x8;
+  guint ref;
+  guint bframes;
+  gboolean b_pyramid;
+  gboolean weightb;
+  guint sps_id;
+  gboolean trellis;
+  guint vbv_buf_capacity;
+  guint keyint_max;
+  gboolean cabac;
+
+  gint width, height;
+  guint stride, luma_plane_size;
+  gint framerate_num, framerate_den;
+  gint par_num, par_den;
+
+  GstClockTime last_timestamp;
+  GstClockTime *timestamp_queue;
+  GstClockTime *timestamp_queue_dur;
+  guint timestamp_queue_size;
+  guint timestamp_queue_head;
+  guint timestamp_queue_tail;
+
+  guint8 *buffer;
+  gulong buffer_size;
+};
+
+struct _GstX264EncClass
+{
+  GstElementClass parent_class;
+};
+
+G_END_DECLS
+
+#endif /* __GST_X264_ENC_H__ */