[Libva] [PATCH] va: Add va_enc_mvc.h for MVC encoding
Li Xiaowei
xiaowei.a.li at intel.com
Wed Dec 18 22:13:58 PST 2013
Signed-off-by: Li Xiaowei <xiaowei.a.li at intel.com>
---
va/Makefile.am | 1 +
va/va_enc_mvc.h | 171 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 172 insertions(+)
create mode 100644 va/va_enc_mvc.h
diff --git a/va/Makefile.am b/va/Makefile.am
index 425225c..af4f86f 100644
--- a/va/Makefile.am
+++ b/va/Makefile.am
@@ -49,6 +49,7 @@ libva_source_h = \
va_drmcommon.h \
va_enc.h \
va_enc_h264.h \
+ va_enc_mvc.h \
va_enc_jpeg.h \
va_enc_vp8.h \
va_enc_mpeg2.h \
diff --git a/va/va_enc_mvc.h b/va/va_enc_mvc.h
new file mode 100644
index 0000000..33dfef1
--- /dev/null
+++ b/va/va_enc_mvc.h
@@ -0,0 +1,171 @@
+/*
+ * Copyright (c) 2007-2013 Intel Corporation. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL INTEL AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file va_enc_mvc.h
+ * \brief MVC(Multiview video coding) encoding API
+ *
+ * This file contains the \ref api_enc_mvc "mvc encoding API".
+ */
+
+#ifndef VA_ENC_MVC_H
+#define VA_ENC_MVC_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "va_enc_h264.h"
+
+/* In order to minimize the overhead payload of the structure,
+ * we limit the max number for view and other parameters here,
+ * although the actual view number and applicable operation point
+ * number can be up to 1024, and level value can be up to 64
+ * according to H264 MVC specification.
+ */
+
+#define VA_MVC_MAX_VIEW_NUM 2
+#define VA_MVC_MAX_LEVEL_VALUE_NUM 2
+#define VA_MVC_MAX_APPLICABLE_OP_NUM 1
+
+/**
+ * \defgroup api_enc_mvc MVC encoding API
+ *
+ * @{
+ */
+
+/****************************
+ * H.264/MVC data structures
+ ****************************/
+
+/**
+ * \brief H.264/MVC Sequence Parameter Buffer
+ *
+ */
+typedef struct _VAEncSequenceParameterBufferMVC {
+
+ VAEncSequenceParameterBufferH264 base;
+
+ /* plus 1 specifies the max number of views
+ * coded in the video sequence */
+ unsigned short num_views_minus1;
+
+ /*inter-view dependency relationships for the coded video sequence*/
+ struct {
+ /* The view identifier */
+ unsigned short view_id;
+ /* specifies the number of view components for inter-view
+ * prediction in the initialized RefPicList0 in decoding
+ * anchor views.
+ */
+ unsigned char num_anchor_refs_l0;
+ /* specifies the view_id for inter-view prediction in
+ * the initialized RefPicList0 in decoding anchor views.
+ */
+ unsigned short anchor_ref_l0[15];
+ /* specifies the number of view components for inter-view
+ * prediction in the initialized RefPicList0 in decoding
+ * anchor views
+ */
+ unsigned char num_anchor_refs_l1;
+ /* specifies the view_id for inter-view prediction in
+ * the initialized RefPicList1 in decoding anchor views.
+ */
+ unsigned short anchor_ref_l1[15];
+ /* specifies the number of view components for inter-view
+ * prediction in the initialized RefPicList0 in decoding
+ * non-anchor views.
+ */
+ unsigned char num_non_anchor_refs_l0;
+ /* specifies the view_id for inter-view prediction in
+ * the initialized RefPicList0 in decoding non-anchor views.
+ */
+ unsigned short non_anchor_ref_l0[15];
+ /* specifies the number of view components for inter-view
+ * prediction in the initialized RefPicList1 in decoding
+ * non-anchor view.
+ */
+ unsigned char num_non_anchor_refs_l1;
+ /* specifies the view_id for inter-view prediction in
+ * the initialized RefPicList1 in decoding non-anchor views.
+ */
+ unsigned short non_anchor_ref_l1[15];
+ } view[VA_MVC_MAX_VIEW_NUM];
+
+ /* plus 1 specifies the number of level values
+ * signalled for the coded video sequence.
+ */
+ unsigned char num_level_values_signalled_minus1;
+
+ /* level values for a subset of the operation points for
+ * the coded video sequence
+ */
+ struct {
+ /* specifies the level value signalled for the coded video sequence */
+ unsigned char level_idc;
+
+ /* plus 1 specifies the number of operation points to
+ * which the level indicated by level_idc applies
+ */
+ unsigned short num_applicable_ops_minus1;
+
+ /* Represent the operation points for the coded
+ * video sequence
+ */
+ struct {
+ unsigned char temporal_id;
+ unsigned short num_target_views_minus1;
+ unsigned short target_view_id[VA_MVC_MAX_VIEW_NUM];
+ unsigned short num_views_minus1;
+ } applicable_op[VA_MVC_MAX_APPLICABLE_OP_NUM];
+
+ } level_value[VA_MVC_MAX_LEVEL_VALUE_NUM];
+
+} VAEncSequenceParameterBufferMVC;
+
+/**
+ * \brief H.264/MVC Picture Parameter Buffer
+ *
+ */
+typedef struct _VAEncPictureParameterBufferMVC
+{
+ VAEncPictureParameterBufferH264 base;
+
+ /* specifes the view id for current picture */
+ unsigned short view_id;
+
+ /* specifes current picture is one anchor picture */
+ unsigned char anchor_pic_flag;
+
+ /* specifes whether inter view reference frame
+ * is used to encode current picture.
+ */
+ unsigned char inter_view_flag;
+} VAEncPictureParameterBufferMVC;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* VA_ENC_MVC_H */
--
1.7.9.5
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