vl: add H264 encoding interface

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Leo Liu <leo.liu@amd.com>

3 files changed, 60 insertions, 2 deletions

diff --git a/src/gallium/include/pipe/p_video_codec.h b/src/gallium/include/pipe/p_video_codec.h
index 0e3827a0eac..d4cdacb9cef 100644
--- a/src/gallium/include/pipe/p_video_codec.h
+++ b/src/gallium/include/pipe/p_video_codec.h
@@ -87,6 +87,14 @@ struct pipe_video_codec
                             const unsigned *sizes);
 
    /**
+    * encode to a bitstream
+    */
+   void (*encode_bitstream)(struct pipe_video_codec *codec,
+                            struct pipe_video_buffer *source,
+                            struct pipe_resource *destination,
+                            void **feedback);
+
+   /**
     * end decoding of the current frame
     */
    void (*end_frame)(struct pipe_video_codec *codec,
@@ -98,6 +106,11 @@ struct pipe_video_codec
     * should be called before a video_buffer is acessed by the state tracker again
     */
    void (*flush)(struct pipe_video_codec *codec);
+
+   /**
+    * get encoder feedback
+    */
+   void (*get_feedback)(struct pipe_video_codec *codec, void *feedback, unsigned *size);
 };
 
 /**
diff --git a/src/gallium/include/pipe/p_video_enums.h b/src/gallium/include/pipe/p_video_enums.h
index 7ec29c033f4..10205ac4411 100644
--- a/src/gallium/include/pipe/p_video_enums.h
+++ b/src/gallium/include/pipe/p_video_enums.h
@@ -72,8 +72,8 @@ enum pipe_video_entrypoint
    PIPE_VIDEO_ENTRYPOINT_UNKNOWN,
    PIPE_VIDEO_ENTRYPOINT_BITSTREAM,
    PIPE_VIDEO_ENTRYPOINT_IDCT,
-   PIPE_VIDEO_ENTRYPOINT_MC
+   PIPE_VIDEO_ENTRYPOINT_MC,
+   PIPE_VIDEO_ENTRYPOINT_ENCODE
 };
 
-
 #endif /* PIPE_VIDEO_ENUMS_H */
diff --git a/src/gallium/include/pipe/p_video_state.h b/src/gallium/include/pipe/p_video_state.h
index 79e588fa2a0..f9721dca05b 100644
--- a/src/gallium/include/pipe/p_video_state.h
+++ b/src/gallium/include/pipe/p_video_state.h
@@ -110,6 +110,24 @@ enum pipe_h264_slice_type
    PIPE_H264_SLICE_TYPE_SI = 0x4
 };
 
+enum pipe_h264_enc_picture_type
+{
+   PIPE_H264_ENC_PICTURE_TYPE_P = 0x00,
+   PIPE_H264_ENC_PICTURE_TYPE_B = 0x01,
+   PIPE_H264_ENC_PICTURE_TYPE_I = 0x02,
+   PIPE_H264_ENC_PICTURE_TYPE_IDR = 0x03,
+   PIPE_H264_ENC_PICTURE_TYPE_SKIP = 0x04
+};
+
+enum pipe_h264_enc_rate_control_method
+{
+   PIPE_H264_ENC_RATE_CONTROL_METHOD_DISABLE = 0x00,
+   PIPE_H264_ENC_RATE_CONTROL_METHOD_CONSTANT_SKIP = 0x01,
+   PIPE_H264_ENC_RATE_CONTROL_METHOD_VARIABLE_SKIP = 0x02,
+   PIPE_H264_ENC_RATE_CONTROL_METHOD_CONSTANT = 0x03,
+   PIPE_H264_ENC_RATE_CONTROL_METHOD_VARIABLE = 0x04
+};
+
 struct pipe_picture_desc
 {
    enum pipe_video_profile profile;
@@ -325,6 +343,33 @@ struct pipe_h264_picture_desc
    struct pipe_video_buffer *ref[16];
 };
 
+struct pipe_h264_enc_rate_control
+{
+   enum pipe_h264_enc_rate_control_method rate_ctrl_method;
+   unsigned target_bitrate;
+   unsigned peak_bitrate;
+   unsigned frame_rate_num;
+   unsigned frame_rate_den;
+   unsigned vbv_buffer_size;
+   unsigned target_bits_picture;
+   unsigned peak_bits_picture_integer;
+   unsigned peak_bits_picture_fraction;
+};
+
+struct pipe_h264_enc_picture_desc
+{
+   struct pipe_picture_desc base;
+
+   struct pipe_h264_enc_rate_control rate_ctrl;
+
+   unsigned quant_i_frames;
+   unsigned quant_p_frames;
+   unsigned quant_b_frames;
+
+   enum pipe_h264_enc_picture_type picture_type;
+   unsigned frame_num;
+};
+
 #ifdef __cplusplus
 }
 #endif