g3dvl: pipe_video_context interface, softpipe impl, auxiliary libs

5 files changed, 307 insertions, 1 deletions

diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index f252d6df00d..1980831dd9d 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -315,6 +315,30 @@ enum pipe_transfer_usage {
 #define PIPE_REFERENCED_FOR_READ  (1 << 0)
 #define PIPE_REFERENCED_FOR_WRITE (1 << 1)
 
+
+enum pipe_video_codec
+{
+   PIPE_VIDEO_CODEC_MPEG12,   /**< MPEG1, MPEG2 */
+   PIPE_VIDEO_CODEC_MPEG4,    /**< DIVX, XVID */
+   PIPE_VIDEO_CODEC_VC1,      /**< WMV */
+   PIPE_VIDEO_CODEC_MPEG4_AVC /**< H.264 */
+};
+
+enum pipe_video_profile
+{
+   PIPE_VIDEO_PROFILE_MPEG1,
+   PIPE_VIDEO_PROFILE_MPEG2_SIMPLE,
+   PIPE_VIDEO_PROFILE_MPEG2_MAIN,
+   PIPE_VIDEO_PROFILE_MPEG4_SIMPLE,
+   PIPE_VIDEO_PROFILE_MPEG4_ADVANCED_SIMPLE,
+   PIPE_VIDEO_PROFILE_VC1_SIMPLE,
+   PIPE_VIDEO_PROFILE_VC1_MAIN,
+   PIPE_VIDEO_PROFILE_VC1_ADVANCED,
+   PIPE_VIDEO_PROFILE_MPEG4_AVC_BASELINE,
+   PIPE_VIDEO_PROFILE_MPEG4_AVC_MAIN,
+   PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH
+};
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/gallium/include/pipe/p_format.h b/src/gallium/include/pipe/p_format.h
index c4469d4a9e9..af230809201 100644
--- a/src/gallium/include/pipe/p_format.h
+++ b/src/gallium/include/pipe/p_format.h
@@ -613,6 +613,24 @@ pf_has_alpha( enum pipe_format format )
    }
 }
 
+enum pipe_video_chroma_format
+{
+   PIPE_VIDEO_CHROMA_FORMAT_420,
+   PIPE_VIDEO_CHROMA_FORMAT_422,
+   PIPE_VIDEO_CHROMA_FORMAT_444
+};
+
+#if 0
+enum pipe_video_surface_format
+{
+   PIPE_VIDEO_SURFACE_FORMAT_NV12,  /**< Planar; Y plane, UV plane */
+   PIPE_VIDEO_SURFACE_FORMAT_YV12,  /**< Planar; Y plane, U plane, V plane */
+   PIPE_VIDEO_SURFACE_FORMAT_YUYV,  /**< Interleaved; Y,U,Y,V,Y,U,Y,V */
+   PIPE_VIDEO_SURFACE_FORMAT_UYVY,  /**< Interleaved; U,Y,V,Y,U,Y,V,Y */
+   PIPE_VIDEO_SURFACE_FORMAT_VUYA   /**< Packed; A31-24|Y23-16|U15-8|V7-0 */
+};
+#endif
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/src/gallium/include/pipe/p_screen.h b/src/gallium/include/pipe/p_screen.h
index 3f30c52a169..f0a4de5df33 100644
--- a/src/gallium/include/pipe/p_screen.h
+++ b/src/gallium/include/pipe/p_screen.h
@@ -53,7 +53,10 @@ extern "C" {
 struct pipe_fence_handle;
 struct pipe_winsys;
 struct pipe_buffer;
-
+struct pipe_texture;
+struct pipe_surface;
+struct pipe_video_surface;
+struct pipe_transfer;
 
 
 /**
@@ -252,6 +255,17 @@ struct pipe_screen {
 
    void (*buffer_destroy)( struct pipe_buffer *buf );
 
+   /**
+    * Create a video surface suitable for use as a decoding target by the
+    * driver's pipe_video_context.
+    */
+   struct pipe_video_surface*
+   (*video_surface_create)( struct pipe_screen *screen,
+                            enum pipe_video_chroma_format chroma_format,
+                            unsigned width, unsigned height );
+
+   void (*video_surface_destroy)( struct pipe_video_surface *vsfc );
+
 
    /**
     * Do any special operations to ensure frontbuffer contents are
diff --git a/src/gallium/include/pipe/p_video_context.h b/src/gallium/include/pipe/p_video_context.h
new file mode 100644
index 00000000000..937705ac505
--- /dev/null
+++ b/src/gallium/include/pipe/p_video_context.h
@@ -0,0 +1,92 @@
+#ifndef PIPE_VIDEO_CONTEXT_H
+#define PIPE_VIDEO_CONTEXT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <pipe/p_video_state.h>
+
+struct pipe_screen;
+struct pipe_buffer;
+struct pipe_surface;
+struct pipe_video_surface;
+struct pipe_macroblock;
+struct pipe_picture_desc;
+struct pipe_fence_handle;
+
+/**
+ * Gallium video rendering context
+ */
+struct pipe_video_context
+{
+   struct pipe_screen *screen;
+   enum pipe_video_profile profile;
+   enum pipe_video_chroma_format chroma_format;
+   unsigned width;
+   unsigned height;
+
+   void *priv; /**< context private data (for DRI for example) */
+
+   void (*destroy)(struct pipe_video_context *vpipe);
+
+   /**
+    * Picture decoding and displaying
+    */
+   /*@{*/
+   void (*decode_bitstream)(struct pipe_video_context *vpipe,
+                            unsigned num_bufs,
+                            struct pipe_buffer **bitstream_buf);
+
+   void (*decode_macroblocks)(struct pipe_video_context *vpipe,
+                              struct pipe_video_surface *past,
+                              struct pipe_video_surface *future,
+                              unsigned num_macroblocks,
+                              struct pipe_macroblock *macroblocks,
+                              struct pipe_fence_handle **fence);
+
+   void (*clear_surface)(struct pipe_video_context *vpipe,
+                         unsigned x, unsigned y,
+                         unsigned width, unsigned height,
+                         unsigned value,
+                         struct pipe_surface *surface);
+
+   void (*render_picture)(struct pipe_video_context     *vpipe,
+                          /*struct pipe_surface         *backround,
+                          struct pipe_video_rect        *backround_area,*/
+                          struct pipe_video_surface     *src_surface,
+                          enum pipe_mpeg12_picture_type picture_type,
+                          /*unsigned                    num_past_surfaces,
+                          struct pipe_video_surface     *past_surfaces,
+                          unsigned                      num_future_surfaces,
+                          struct pipe_video_surface     *future_surfaces,*/
+                          struct pipe_video_rect        *src_area,
+                          struct pipe_surface           *dst_surface,
+                          struct pipe_video_rect        *dst_area,
+                          /*unsigned                      num_layers,
+                          struct pipe_texture           *layers,
+                          struct pipe_video_rect        *layer_src_areas,
+                          struct pipe_video_rect        *layer_dst_areas,*/
+                          struct pipe_fence_handle      **fence);
+   /*@}*/
+
+   /**
+    * Parameter-like states (or properties)
+    */
+   /*@{*/
+   void (*set_picture_desc)(struct pipe_video_context *vpipe,
+                            const struct pipe_picture_desc *desc);
+
+   void (*set_decode_target)(struct pipe_video_context *vpipe,
+                             struct pipe_video_surface *dt);
+
+   /* TODO: Interface for CSC matrix, scaling modes, post-processing, etc. */
+   /*@}*/
+};
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* PIPE_VIDEO_CONTEXT_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 00000000000..a0128fbd48f
--- /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 */