/*
 * Copyright (C) 2006-2012 Intel Corporation
 *
 * 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, sublicense,
 * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS 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.
 */

#ifndef I965_DECODER_UTILS_H
#define I965_DECODER_UTILS_H

#include "i965_decoder.h"
#include "intel_batchbuffer.h"

struct decode_state;

int
mpeg2_wa_slice_vertical_position(
    struct decode_state           *decode_state,
    VAPictureParameterBufferMPEG2 *pic_param
);

void
mpeg2_set_reference_surfaces(
    VADriverContextP               ctx,
    GenFrameStore                  ref_frames[MAX_GEN_REFERENCE_FRAMES],
    struct decode_state           *decode_state,
    VAPictureParameterBufferMPEG2 *pic_param
);

VAStatus
avc_ensure_surface_bo(
    VADriverContextP                    ctx,
    struct decode_state                *decode_state,
    struct object_surface              *obj_surface,
    const VAPictureParameterBufferH264 *pic_param
);

void
avc_gen_default_iq_matrix(VAIQMatrixBufferH264 *iq_matrix);

unsigned int
avc_get_first_mb_bit_offset(
    dri_bo                     *slice_data_bo,
    VASliceParameterBufferH264 *slice_param,
    unsigned int                mode_flag
);

unsigned int
avc_get_first_mb_bit_offset_with_epb(
    dri_bo                     *slice_data_bo,
    VASliceParameterBufferH264 *slice_param,
    unsigned int                mode_flag
);

void
gen5_fill_avc_ref_idx_state(
    uint8_t             state[32],
    const VAPictureH264 ref_list[32],
    unsigned int        ref_list_count,
    const GenFrameStore frame_store[MAX_GEN_REFERENCE_FRAMES]
);

void
gen6_send_avc_ref_idx_state(
    struct intel_batchbuffer         *batch,
    const VASliceParameterBufferH264 *slice_param,
    const GenFrameStore               frame_store[MAX_GEN_REFERENCE_FRAMES]
);

VAStatus
intel_decoder_sanity_check_input(VADriverContextP ctx,
                                 VAProfile profile,
                                 struct decode_state *decode_state);

void
intel_update_avc_frame_store_index(VADriverContextP ctx,
                                   struct decode_state *decode_state,
                                   VAPictureParameterBufferH264 *pic_param,
                                   GenFrameStore frame_store[MAX_GEN_REFERENCE_FRAMES]);

void
intel_update_vc1_frame_store_index(VADriverContextP ctx,
                                   struct decode_state *decode_state,
                                   VAPictureParameterBufferVC1 *pic_param,
                                   GenFrameStore frame_store[MAX_GEN_REFERENCE_FRAMES]);

VASliceParameterBufferMPEG2 *
intel_mpeg2_find_next_slice(struct decode_state *decode_state,
                            VAPictureParameterBufferMPEG2 *pic_param,
                            VASliceParameterBufferMPEG2 *slice_param,
                            int *group_idx,
                            int *element_idx);


void
intel_update_vp8_frame_store_index(VADriverContextP ctx,
                                   struct decode_state *decode_state,
                                   VAPictureParameterBufferVP8 *pic_param,
                                   GenFrameStore frame_store[MAX_GEN_REFERENCE_FRAMES]);

bool
intel_ensure_vp8_segmentation_buffer(VADriverContextP ctx, GenBuffer *buf,
    unsigned int mb_width, unsigned int mb_height);

#endif /* I965_DECODER_UTILS_H */