From f547472bfa0a797adacc2a7688b4c1ba65381a80 Mon Sep 17 00:00:00 2001
From: Younes Manton <younes.m@gmail.com>
Date: Sun, 27 Sep 2009 19:49:06 -0400
Subject: g3dvl: pipe_video_context interface, softpipe impl, auxiliary libs

---
 src/gallium/include/pipe/p_video_state.h | 158 +++++++++++++++++++++++++++++++
 1 file changed, 158 insertions(+)
 create mode 100644 src/gallium/include/pipe/p_video_state.h

(limited to 'src/gallium/include/pipe/p_video_state.h')

diff --git a/src/gallium/include/pipe/p_video_state.h b/src/gallium/include/pipe/p_video_state.h
new file mode 100644
index 0000000000..a0128fbd48
--- /dev/null
+++ b/src/gallium/include/pipe/p_video_state.h
@@ -0,0 +1,158 @@
+#ifndef PIPE_VIDEO_STATE_H
+#define PIPE_VIDEO_STATE_H
+
+/* u_reduce_video_profile() needs these */
+#include <assert.h>
+#include <pipe/p_compiler.h>
+
+#include <pipe/p_defines.h>
+#include <pipe/p_format.h>
+#include <pipe/p_refcnt.h>
+#include <pipe/p_screen.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct pipe_video_surface
+{
+   struct pipe_reference reference;
+   struct pipe_screen *screen;
+   enum pipe_video_chroma_format chroma_format;
+   /*enum pipe_video_surface_format surface_format;*/
+   unsigned width;
+   unsigned height;
+};
+
+static INLINE void
+pipe_video_surface_reference(struct pipe_video_surface **ptr, struct pipe_video_surface *surf)
+{
+   struct pipe_video_surface *old_surf = *ptr;
+
+   if (pipe_reference((struct pipe_reference **)ptr, &surf->reference))
+      old_surf->screen->video_surface_destroy(old_surf);
+}
+
+struct pipe_video_rect
+{
+   unsigned x, y, w, h;
+};
+
+static INLINE enum pipe_video_codec
+u_reduce_video_profile(enum pipe_video_profile profile)
+{
+   switch (profile)
+   {
+      case PIPE_VIDEO_PROFILE_MPEG1:
+      case PIPE_VIDEO_PROFILE_MPEG2_SIMPLE:
+      case PIPE_VIDEO_PROFILE_MPEG2_MAIN:
+         return PIPE_VIDEO_CODEC_MPEG12;
+
+      case PIPE_VIDEO_PROFILE_MPEG4_SIMPLE:
+      case PIPE_VIDEO_PROFILE_MPEG4_ADVANCED_SIMPLE:
+         return PIPE_VIDEO_CODEC_MPEG4;
+
+      case PIPE_VIDEO_PROFILE_VC1_SIMPLE:
+      case PIPE_VIDEO_PROFILE_VC1_MAIN:
+      case PIPE_VIDEO_PROFILE_VC1_ADVANCED:
+         return PIPE_VIDEO_CODEC_VC1;
+
+      case PIPE_VIDEO_PROFILE_MPEG4_AVC_BASELINE:
+      case PIPE_VIDEO_PROFILE_MPEG4_AVC_MAIN:
+      case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH:
+         return PIPE_VIDEO_CODEC_MPEG4_AVC;
+
+      default:
+         assert(false);
+   }
+
+   return -1;
+}
+
+enum pipe_mpeg12_picture_type
+{
+   PIPE_MPEG12_PICTURE_TYPE_FIELD_TOP,
+   PIPE_MPEG12_PICTURE_TYPE_FIELD_BOTTOM,
+   PIPE_MPEG12_PICTURE_TYPE_FRAME
+};
+
+enum pipe_mpeg12_macroblock_type
+{
+   PIPE_MPEG12_MACROBLOCK_TYPE_INTRA,
+   PIPE_MPEG12_MACROBLOCK_TYPE_FWD,
+   PIPE_MPEG12_MACROBLOCK_TYPE_BKWD,
+   PIPE_MPEG12_MACROBLOCK_TYPE_BI,
+	
+   PIPE_MPEG12_MACROBLOCK_NUM_TYPES
+};
+
+enum pipe_mpeg12_motion_type
+{
+   PIPE_MPEG12_MOTION_TYPE_FIELD,
+   PIPE_MPEG12_MOTION_TYPE_FRAME,
+   PIPE_MPEG12_MOTION_TYPE_DUALPRIME,
+   PIPE_MPEG12_MOTION_TYPE_16x8
+};
+
+enum pipe_mpeg12_dct_type
+{
+   PIPE_MPEG12_DCT_TYPE_FIELD,
+   PIPE_MPEG12_DCT_TYPE_FRAME
+};
+
+struct pipe_macroblock
+{
+   enum pipe_video_codec codec;
+};
+
+struct pipe_mpeg12_macroblock
+{
+   struct pipe_macroblock base;
+
+   unsigned mbx;
+   unsigned mby;
+   enum pipe_mpeg12_macroblock_type mb_type;
+   enum pipe_mpeg12_motion_type mo_type;
+   enum pipe_mpeg12_dct_type dct_type;
+   signed pmv[2][2][2];
+   unsigned cbp;
+   void *blocks;
+};
+
+#if 0
+struct pipe_picture_desc
+{
+   enum pipe_video_format format;
+};
+
+struct pipe_mpeg12_picture_desc
+{
+   struct pipe_picture_desc base;
+
+   /* TODO: Use bitfields where possible? */
+   struct pipe_surface *forward_reference;
+   struct pipe_surface *backward_reference;
+   unsigned picture_coding_type;
+   unsigned fcode;
+   unsigned intra_dc_precision;
+   unsigned picture_structure;
+   unsigned top_field_first;
+   unsigned frame_pred_frame_dct;
+   unsigned concealment_motion_vectors;
+   unsigned q_scale_type;
+   unsigned intra_vlc_format;
+   unsigned alternate_scan;
+   unsigned full_pel_forward_vector;
+   unsigned full_pel_backward_vector;
+   struct pipe_buffer *intra_quantizer_matrix;
+   struct pipe_buffer *non_intra_quantizer_matrix;
+   struct pipe_buffer *chroma_intra_quantizer_matrix;
+   struct pipe_buffer *chroma_non_intra_quantizer_matrix;
+};
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* PIPE_VIDEO_STATE_H */
-- 
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