Add initial infrastructure for video encoding.

Add initial API for video encoding: only basic interfaces and small
encoder objects are implemented so far.

Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>

1 files changed, 91 insertions, 0 deletions

diff --git a/gst-libs/gst/vaapi/gstvaapiencoder.h b/gst-libs/gst/vaapi/gstvaapiencoder.h
new file mode 100644
index 00000000..1779b59a
--- /dev/null
+++ b/gst-libs/gst/vaapi/gstvaapiencoder.h
@@ -0,0 +1,91 @@
+/*
+ *  gstvaapiencoder.h - VA encoder abstraction
+ *
+ *  Copyright (C) 2013 Intel Corporation
+ *
+ *  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; either version 2.1
+ *  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
+ *  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_VAAPI_ENCODER_H
+#define GST_VAAPI_ENCODER_H
+
+#include <gst/video/video.h>
+#include <gst/video/gstvideoutils.h>
+#include <gst/vaapi/gstvaapiobject.h>
+#include <gst/vaapi/gstvaapiprofile.h>
+
+G_BEGIN_DECLS
+
+typedef enum
+{
+  GST_VAAPI_ENCODER_STATUS_SUCCESS = 0,
+  GST_VAAPI_ENCODER_STATUS_FRAME_NOT_READY = 1,
+  GST_VAAPI_ENCODER_STATUS_NO_DATA = 2,
+  GST_VAAPI_ENCODER_STATUS_TIMEOUT = 3,
+  GST_VAAPI_ENCODER_STATUS_NOT_READY = 4,
+  GST_VAAPI_ENCODER_STATUS_FRAME_IN_ORDER = 5,
+
+  GST_VAAPI_ENCODER_STATUS_PARAM_ERR = -1,
+  GST_VAAPI_ENCODER_STATUS_OBJECT_ERR = -2,
+  GST_VAAPI_ENCODER_STATUS_PICTURE_ERR = -3,
+  GST_VAAPI_ENCODER_STATUS_THREAD_ERR = -4,
+  GST_VAAPI_ENCODER_STATUS_PROFILE_ERR = -5,
+  GST_VAAPI_ENCODER_STATUS_FUNC_PTR_ERR = -6,
+  GST_VAAPI_ENCODER_STATUS_MEM_ERROR = -7,
+  GST_VAAPI_ENCODER_STATUS_UNKNOWN_ERR = -8,
+} GstVaapiEncoderStatus;
+
+typedef struct _GstVaapiEncoder GstVaapiEncoder;
+typedef struct _GstVaapiCodedBufferProxy GstVaapiCodedBufferProxy;
+
+#define GST_VAAPI_ENCODER(encoder)  \
+    ((GstVaapiEncoder *)(encoder))
+
+#define GST_VAAPI_ENCODER_CAST(encoder) \
+    ((GstVaapiEncoder *)(encoder))
+
+GstVaapiEncoder *
+gst_vaapi_encoder_ref (GstVaapiEncoder * encoder);
+
+void
+gst_vaapi_encoder_unref (GstVaapiEncoder * encoder);
+
+void
+gst_vaapi_encoder_replace (GstVaapiEncoder ** old_encoder_ptr,
+    GstVaapiEncoder * new_encoder);
+
+GstCaps *gst_vaapi_encoder_set_format (GstVaapiEncoder * encoder,
+    GstVideoCodecState * state, GstCaps * ref_caps);
+
+GstVaapiEncoderStatus
+gst_vaapi_encoder_get_codec_data (GstVaapiEncoder * encoder,
+    GstBuffer ** codec_data_ptr);
+
+GstVaapiEncoderStatus
+gst_vaapi_encoder_put_frame (GstVaapiEncoder * encoder,
+    GstVideoCodecFrame * frame);
+
+GstVaapiEncoderStatus
+gst_vaapi_encoder_get_buffer (GstVaapiEncoder * encoder,
+    GstVideoCodecFrame ** out_frame_ptr,
+    GstVaapiCodedBufferProxy ** out_codedbuf_ptr, gint64 timeout);
+
+GstVaapiEncoderStatus
+gst_vaapi_encoder_flush (GstVaapiEncoder * encoder);
+
+G_END_DECLS
+
+#endif /* GST_VAAPI_ENCODER_H */