st/omx: initial OpenMAX support v3

Featuring a full grown MPEG2 and H264 decoder and a couple of hundred bugs.

v2 (Leo): fix an error for pic_order_cnt_type 1
v3 (Leo): implement support for field decoding

Signed-off-by: Christian König <[email protected]>
Signed-off-by: Leo Liu <[email protected]>

1 files changed, 119 insertions, 0 deletions

diff --git a/src/gallium/state_trackers/omx/vid_dec.h b/src/gallium/state_trackers/omx/vid_dec.h
new file mode 100644
index 00000000000..d6c35b56321
--- /dev/null
+++ b/src/gallium/state_trackers/omx/vid_dec.h
@@ -0,0 +1,119 @@
+/**************************************************************************
+ *
+ * Copyright 2013 Advanced Micro Devices, Inc.
+ * 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 THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
+ *
+ **************************************************************************/
+
+/*
+ * Authors:
+ *      Christian König <[email protected]>
+ *
+ */
+
+#ifndef OMX_VID_DEC_H
+#define OMX_VID_DEC_H
+
+#include <X11/Xlib.h>
+
+#include <string.h>
+
+#include <OMX_Types.h>
+#include <OMX_Component.h>
+#include <OMX_Core.h>
+
+#include <bellagio/st_static_component_loader.h>
+#include <bellagio/omx_base_filter.h>
+
+#include "pipe/p_video_state.h"
+#include "state_tracker/drm_driver.h"
+#include "os/os_thread.h"
+#include "util/u_double_list.h"
+
+#define OMX_VID_DEC_BASE_NAME "OMX.%s.video_decoder"
+
+#define OMX_VID_DEC_MPEG2_NAME "OMX.%s.video_decoder.mpeg2"
+#define OMX_VID_DEC_MPEG2_ROLE "video_decoder.mpeg2"
+
+#define OMX_VID_DEC_AVC_NAME "OMX.%s.video_decoder.avc"
+#define OMX_VID_DEC_AVC_ROLE "video_decoder.avc"
+
+struct vl_vlc;
+
+DERIVEDCLASS(vid_dec_PrivateType, omx_base_filter_PrivateType)
+#define vid_dec_PrivateType_FIELDS omx_base_filter_PrivateType_FIELDS \
+   enum pipe_video_profile profile; \
+   struct vl_screen *screen; \
+   struct pipe_context *pipe; \
+   struct pipe_video_codec *codec; \
+   void (*Decode)(vid_dec_PrivateType *priv, struct vl_vlc *vlc, unsigned min_bits_left); \
+   void (*EndFrame)(vid_dec_PrivateType *priv); \
+   struct pipe_video_buffer *(*Flush)(vid_dec_PrivateType *priv); \
+   struct pipe_video_buffer *target, *shadow; \
+   union { \
+      struct { \
+         uint8_t intra_matrix[64]; \
+         uint8_t non_intra_matrix[64]; \
+      } mpeg12; \
+      struct { \
+         unsigned nal_ref_idc; \
+         bool IdrPicFlag; \
+         unsigned idr_pic_id; \
+         unsigned pic_order_cnt_lsb; \
+         unsigned pic_order_cnt_msb; \
+         unsigned delta_pic_order_cnt_bottom; \
+         unsigned delta_pic_order_cnt[2]; \
+         unsigned prevFrameNumOffset; \
+         struct pipe_h264_sps sps[32]; \
+         struct pipe_h264_pps pps[256]; \
+         struct list_head dpb_list; \
+         unsigned dpb_num; \
+      } h264; \
+   } codec_data; \
+   union { \
+      struct pipe_picture_desc base; \
+      struct pipe_mpeg12_picture_desc mpeg12; \
+      struct pipe_h264_picture_desc h264; \
+   } picture; \
+   unsigned num_in_buffers; \
+   OMX_BUFFERHEADERTYPE *in_buffers[2]; \
+   const void *inputs[2]; \
+   unsigned sizes[2]; \
+   bool frame_finished; \
+   bool frame_started; \
+   unsigned bytes_left; \
+   const void *slice;
+ENDCLASS(vid_dec_PrivateType)
+
+OMX_ERRORTYPE vid_dec_LoaderComponent(stLoaderComponentType *comp);
+
+/* used by MPEG12 and H264 implementation */
+void vid_dec_NeedTarget(vid_dec_PrivateType *priv);
+
+/* vid_dec_mpeg12.c */
+void vid_dec_mpeg12_Init(vid_dec_PrivateType *priv);
+
+/* vid_dec_h264.c */
+void vid_dec_h264_Init(vid_dec_PrivateType *priv);
+
+#endif