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  1. /**************************************************************************
  2.  *
  3.  * Copyright 2011 Advanced Micro Devices, Inc.
  4.  * All Rights Reserved.
  5.  *
  6.  * Permission is hereby granted, free of charge, to any person obtaining a
  7.  * copy of this software and associated documentation files (the
  8.  * "Software"), to deal in the Software without restriction, including
  9.  * without limitation the rights to use, copy, modify, merge, publish,
  10.  * distribute, sub license, and/or sell copies of the Software, and to
  11.  * permit persons to whom the Software is furnished to do so, subject to
  12.  * the following conditions:
  13.  *
  14.  * The above copyright notice and this permission notice (including the
  15.  * next paragraph) shall be included in all copies or substantial portions
  16.  * of the Software.
  17.  *
  18.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20.  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21.  * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
  22.  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23.  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24.  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25.  *
  26.  **************************************************************************/
  27.  
  28. /*
  29.  * Authors:
  30.  *      Christian König <christian.koenig@amd.com>
  31.  *
  32.  */
  33.  
  34. #include <sys/types.h>
  35. #include <assert.h>
  36. #include <errno.h>
  37. #include <unistd.h>
  38. #include <stdio.h>
  39.  
  40. #include "pipe/p_video_codec.h"
  41.  
  42. #include "util/u_memory.h"
  43. #include "util/u_video.h"
  44.  
  45. #include "vl/vl_defines.h"
  46. #include "vl/vl_mpeg12_decoder.h"
  47.  
  48. #include "r600_pipe_common.h"
  49. #include "radeon_video.h"
  50. #include "radeon_uvd.h"
  51.  
  52. #define NUM_BUFFERS 4
  53.  
  54. #define NUM_MPEG2_REFS 6
  55. #define NUM_H264_REFS 17
  56. #define NUM_VC1_REFS 5
  57.  
  58. #define FB_BUFFER_OFFSET 0x1000
  59. #define FB_BUFFER_SIZE 2048
  60.  
  61. /* UVD decoder representation */
  62. struct ruvd_decoder {
  63.         struct pipe_video_codec         base;
  64.  
  65.         ruvd_set_dtb                    set_dtb;
  66.  
  67.         unsigned                        stream_handle;
  68.         unsigned                        frame_number;
  69.  
  70.         struct pipe_screen              *screen;
  71.         struct radeon_winsys*           ws;
  72.         struct radeon_winsys_cs*        cs;
  73.  
  74.         unsigned                        cur_buffer;
  75.  
  76.         struct rvid_buffer              msg_fb_buffers[NUM_BUFFERS];
  77.         struct ruvd_msg                 *msg;
  78.         uint32_t                        *fb;
  79.  
  80.         struct rvid_buffer              bs_buffers[NUM_BUFFERS];
  81.         void*                           bs_ptr;
  82.         unsigned                        bs_size;
  83.  
  84.         struct rvid_buffer              dpb;
  85. };
  86.  
  87. /* flush IB to the hardware */
  88. static void flush(struct ruvd_decoder *dec)
  89. {
  90.         dec->ws->cs_flush(dec->cs, RADEON_FLUSH_ASYNC, NULL, 0);
  91. }
  92.  
  93. /* add a new set register command to the IB */
  94. static void set_reg(struct ruvd_decoder *dec, unsigned reg, uint32_t val)
  95. {
  96.         uint32_t *pm4 = dec->cs->buf;
  97.         pm4[dec->cs->cdw++] = RUVD_PKT0(reg >> 2, 0);
  98.         pm4[dec->cs->cdw++] = val;
  99. }
  100.  
  101. /* send a command to the VCPU through the GPCOM registers */
  102. static void send_cmd(struct ruvd_decoder *dec, unsigned cmd,
  103.                      struct radeon_winsys_cs_handle* cs_buf, uint32_t off,
  104.                      enum radeon_bo_usage usage, enum radeon_bo_domain domain)
  105. {
  106.         int reloc_idx;
  107.  
  108.         reloc_idx = dec->ws->cs_add_reloc(dec->cs, cs_buf, usage, domain,
  109.                                           RADEON_PRIO_MIN);
  110.         set_reg(dec, RUVD_GPCOM_VCPU_DATA0, off);
  111.         set_reg(dec, RUVD_GPCOM_VCPU_DATA1, reloc_idx * 4);
  112.         set_reg(dec, RUVD_GPCOM_VCPU_CMD, cmd << 1);
  113. }
  114.  
  115. /* map the next available message/feedback buffer */
  116. static void map_msg_fb_buf(struct ruvd_decoder *dec)
  117. {
  118.         struct rvid_buffer* buf;
  119.         uint8_t *ptr;
  120.  
  121.         /* grab the current message/feedback buffer */
  122.         buf = &dec->msg_fb_buffers[dec->cur_buffer];
  123.  
  124.         /* and map it for CPU access */
  125.         ptr = dec->ws->buffer_map(buf->res->cs_buf, dec->cs, PIPE_TRANSFER_WRITE);
  126.  
  127.         /* calc buffer offsets */
  128.         dec->msg = (struct ruvd_msg *)ptr;
  129.         dec->fb = (uint32_t *)(ptr + FB_BUFFER_OFFSET);
  130. }
  131.  
  132. /* unmap and send a message command to the VCPU */
  133. static void send_msg_buf(struct ruvd_decoder *dec)
  134. {
  135.         struct rvid_buffer* buf;
  136.  
  137.         /* ignore the request if message/feedback buffer isn't mapped */
  138.         if (!dec->msg || !dec->fb)
  139.                 return;
  140.  
  141.         /* grab the current message buffer */
  142.         buf = &dec->msg_fb_buffers[dec->cur_buffer];
  143.  
  144.         /* unmap the buffer */
  145.         dec->ws->buffer_unmap(buf->res->cs_buf);
  146.         dec->msg = NULL;
  147.         dec->fb = NULL;
  148.  
  149.         /* and send it to the hardware */
  150.         send_cmd(dec, RUVD_CMD_MSG_BUFFER, buf->res->cs_buf, 0,
  151.                  RADEON_USAGE_READ, RADEON_DOMAIN_GTT);
  152. }
  153.  
  154. /* cycle to the next set of buffers */
  155. static void next_buffer(struct ruvd_decoder *dec)
  156. {
  157.         ++dec->cur_buffer;
  158.         dec->cur_buffer %= NUM_BUFFERS;
  159. }
  160.  
  161. /* convert the profile into something UVD understands */
  162. static uint32_t profile2stream_type(enum pipe_video_profile profile)
  163. {
  164.         switch (u_reduce_video_profile(profile)) {
  165.         case PIPE_VIDEO_FORMAT_MPEG4_AVC:
  166.                 return RUVD_CODEC_H264;
  167.  
  168.         case PIPE_VIDEO_FORMAT_VC1:
  169.                 return RUVD_CODEC_VC1;
  170.  
  171.         case PIPE_VIDEO_FORMAT_MPEG12:
  172.                 return RUVD_CODEC_MPEG2;
  173.  
  174.         case PIPE_VIDEO_FORMAT_MPEG4:
  175.                 return RUVD_CODEC_MPEG4;
  176.  
  177.         default:
  178.                 assert(0);
  179.                 return 0;
  180.         }
  181. }
  182.  
  183. /* calculate size of reference picture buffer */
  184. static unsigned calc_dpb_size(const struct pipe_video_codec *templ)
  185. {
  186.         unsigned width_in_mb, height_in_mb, image_size, dpb_size;
  187.  
  188.         // always align them to MB size for dpb calculation
  189.         unsigned width = align(templ->width, VL_MACROBLOCK_WIDTH);
  190.         unsigned height = align(templ->height, VL_MACROBLOCK_HEIGHT);
  191.  
  192.         // always one more for currently decoded picture
  193.         unsigned max_references = templ->max_references + 1;
  194.  
  195.         // aligned size of a single frame
  196.         image_size = width * height;
  197.         image_size += image_size / 2;
  198.         image_size = align(image_size, 1024);
  199.  
  200.         // picture width & height in 16 pixel units
  201.         width_in_mb = width / VL_MACROBLOCK_WIDTH;
  202.         height_in_mb = align(height / VL_MACROBLOCK_HEIGHT, 2);
  203.  
  204.         switch (u_reduce_video_profile(templ->profile)) {
  205.         case PIPE_VIDEO_FORMAT_MPEG4_AVC:
  206.                 // the firmware seems to allways assume a minimum of ref frames
  207.                 max_references = MAX2(NUM_H264_REFS, max_references);
  208.  
  209.                 // reference picture buffer
  210.                 dpb_size = image_size * max_references;
  211.  
  212.                 // macroblock context buffer
  213.                 dpb_size += width_in_mb * height_in_mb * max_references * 192;
  214.  
  215.                 // IT surface buffer
  216.                 dpb_size += width_in_mb * height_in_mb * 32;
  217.                 break;
  218.  
  219.         case PIPE_VIDEO_FORMAT_VC1:
  220.                 // the firmware seems to allways assume a minimum of ref frames
  221.                 max_references = MAX2(NUM_VC1_REFS, max_references);
  222.  
  223.                 // reference picture buffer
  224.                 dpb_size = image_size * max_references;
  225.  
  226.                 // CONTEXT_BUFFER
  227.                 dpb_size += width_in_mb * height_in_mb * 128;
  228.  
  229.                 // IT surface buffer
  230.                 dpb_size += width_in_mb * 64;
  231.  
  232.                 // DB surface buffer
  233.                 dpb_size += width_in_mb * 128;
  234.  
  235.                 // BP
  236.                 dpb_size += align(MAX2(width_in_mb, height_in_mb) * 7 * 16, 64);
  237.                 break;
  238.  
  239.         case PIPE_VIDEO_FORMAT_MPEG12:
  240.                 // reference picture buffer, must be big enough for all frames
  241.                 dpb_size = image_size * NUM_MPEG2_REFS;
  242.                 break;
  243.  
  244.         case PIPE_VIDEO_FORMAT_MPEG4:
  245.                 // reference picture buffer
  246.                 dpb_size = image_size * max_references;
  247.  
  248.                 // CM
  249.                 dpb_size += width_in_mb * height_in_mb * 64;
  250.  
  251.                 // IT surface buffer
  252.                 dpb_size += align(width_in_mb * height_in_mb * 32, 64);
  253.                 break;
  254.  
  255.         default:
  256.                 // something is missing here
  257.                 assert(0);
  258.  
  259.                 // at least use a sane default value
  260.                 dpb_size = 32 * 1024 * 1024;
  261.                 break;
  262.         }
  263.         return dpb_size;
  264. }
  265.  
  266. /* get h264 specific message bits */
  267. static struct ruvd_h264 get_h264_msg(struct ruvd_decoder *dec, struct pipe_h264_picture_desc *pic)
  268. {
  269.         struct ruvd_h264 result;
  270.  
  271.         memset(&result, 0, sizeof(result));
  272.         switch (pic->base.profile) {
  273.         case PIPE_VIDEO_PROFILE_MPEG4_AVC_BASELINE:
  274.                 result.profile = RUVD_H264_PROFILE_BASELINE;
  275.                 break;
  276.  
  277.         case PIPE_VIDEO_PROFILE_MPEG4_AVC_MAIN:
  278.                 result.profile = RUVD_H264_PROFILE_MAIN;
  279.                 break;
  280.  
  281.         case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH:
  282.                 result.profile = RUVD_H264_PROFILE_HIGH;
  283.                 break;
  284.  
  285.         default:
  286.                 assert(0);
  287.                 break;
  288.         }
  289.         if (((dec->base.width * dec->base.height) >> 8) <= 1620)
  290.                 result.level = 30;
  291.         else
  292.                 result.level = 41;
  293.  
  294.         result.sps_info_flags = 0;
  295.         result.sps_info_flags |= pic->pps->sps->direct_8x8_inference_flag << 0;
  296.         result.sps_info_flags |= pic->pps->sps->mb_adaptive_frame_field_flag << 1;
  297.         result.sps_info_flags |= pic->pps->sps->frame_mbs_only_flag << 2;
  298.         result.sps_info_flags |= pic->pps->sps->delta_pic_order_always_zero_flag << 3;
  299.  
  300.         result.bit_depth_luma_minus8 = pic->pps->sps->bit_depth_luma_minus8;
  301.         result.bit_depth_chroma_minus8 = pic->pps->sps->bit_depth_chroma_minus8;
  302.         result.log2_max_frame_num_minus4 = pic->pps->sps->log2_max_frame_num_minus4;
  303.         result.pic_order_cnt_type = pic->pps->sps->pic_order_cnt_type;
  304.         result.log2_max_pic_order_cnt_lsb_minus4 = pic->pps->sps->log2_max_pic_order_cnt_lsb_minus4;
  305.  
  306.         switch (dec->base.chroma_format) {
  307.         case PIPE_VIDEO_CHROMA_FORMAT_400:
  308.                 result.chroma_format = 0;
  309.                 break;
  310.         case PIPE_VIDEO_CHROMA_FORMAT_420:
  311.                 result.chroma_format = 1;
  312.                 break;
  313.         case PIPE_VIDEO_CHROMA_FORMAT_422:
  314.                 result.chroma_format = 2;
  315.                 break;
  316.         case PIPE_VIDEO_CHROMA_FORMAT_444:
  317.                 result.chroma_format = 3;
  318.                 break;
  319.         }
  320.  
  321.         result.pps_info_flags = 0;
  322.         result.pps_info_flags |= pic->pps->transform_8x8_mode_flag << 0;
  323.         result.pps_info_flags |= pic->pps->redundant_pic_cnt_present_flag << 1;
  324.         result.pps_info_flags |= pic->pps->constrained_intra_pred_flag << 2;
  325.         result.pps_info_flags |= pic->pps->deblocking_filter_control_present_flag << 3;
  326.         result.pps_info_flags |= pic->pps->weighted_bipred_idc << 4;
  327.         result.pps_info_flags |= pic->pps->weighted_pred_flag << 6;
  328.         result.pps_info_flags |= pic->pps->bottom_field_pic_order_in_frame_present_flag << 7;
  329.         result.pps_info_flags |= pic->pps->entropy_coding_mode_flag << 8;
  330.  
  331.         result.num_slice_groups_minus1 = pic->pps->num_slice_groups_minus1;
  332.         result.slice_group_map_type = pic->pps->slice_group_map_type;
  333.         result.slice_group_change_rate_minus1 = pic->pps->slice_group_change_rate_minus1;
  334.         result.pic_init_qp_minus26 = pic->pps->pic_init_qp_minus26;
  335.         result.chroma_qp_index_offset = pic->pps->chroma_qp_index_offset;
  336.         result.second_chroma_qp_index_offset = pic->pps->second_chroma_qp_index_offset;
  337.  
  338.         memcpy(result.scaling_list_4x4, pic->pps->ScalingList4x4, 6*16);
  339.         memcpy(result.scaling_list_8x8, pic->pps->ScalingList8x8, 2*64);
  340.  
  341.         result.num_ref_frames = pic->num_ref_frames;
  342.  
  343.         result.num_ref_idx_l0_active_minus1 = pic->num_ref_idx_l0_active_minus1;
  344.         result.num_ref_idx_l1_active_minus1 = pic->num_ref_idx_l1_active_minus1;
  345.  
  346.         result.frame_num = pic->frame_num;
  347.         memcpy(result.frame_num_list, pic->frame_num_list, 4*16);
  348.         result.curr_field_order_cnt_list[0] = pic->field_order_cnt[0];
  349.         result.curr_field_order_cnt_list[1] = pic->field_order_cnt[1];
  350.         memcpy(result.field_order_cnt_list, pic->field_order_cnt_list, 4*16*2);
  351.  
  352.         result.decoded_pic_idx = pic->frame_num;
  353.  
  354.         return result;
  355. }
  356.  
  357. /* get vc1 specific message bits */
  358. static struct ruvd_vc1 get_vc1_msg(struct pipe_vc1_picture_desc *pic)
  359. {
  360.         struct ruvd_vc1 result;
  361.  
  362.         memset(&result, 0, sizeof(result));
  363.  
  364.         switch(pic->base.profile) {
  365.         case PIPE_VIDEO_PROFILE_VC1_SIMPLE:
  366.                 result.profile = RUVD_VC1_PROFILE_SIMPLE;
  367.                 result.level = 1;
  368.                 break;
  369.  
  370.         case PIPE_VIDEO_PROFILE_VC1_MAIN:
  371.                 result.profile = RUVD_VC1_PROFILE_MAIN;
  372.                 result.level = 2;
  373.                 break;
  374.  
  375.         case PIPE_VIDEO_PROFILE_VC1_ADVANCED:
  376.                 result.profile = RUVD_VC1_PROFILE_ADVANCED;
  377.                 result.level = 4;
  378.                 break;
  379.  
  380.         default:
  381.                 assert(0);
  382.         }
  383.  
  384.         /* fields common for all profiles */
  385.         result.sps_info_flags |= pic->postprocflag << 7;
  386.         result.sps_info_flags |= pic->pulldown << 6;
  387.         result.sps_info_flags |= pic->interlace << 5;
  388.         result.sps_info_flags |= pic->tfcntrflag << 4;
  389.         result.sps_info_flags |= pic->finterpflag << 3;
  390.         result.sps_info_flags |= pic->psf << 1;
  391.  
  392.         result.pps_info_flags |= pic->range_mapy_flag << 31;
  393.         result.pps_info_flags |= pic->range_mapy << 28;
  394.         result.pps_info_flags |= pic->range_mapuv_flag << 27;
  395.         result.pps_info_flags |= pic->range_mapuv << 24;
  396.         result.pps_info_flags |= pic->multires << 21;
  397.         result.pps_info_flags |= pic->maxbframes << 16;
  398.         result.pps_info_flags |= pic->overlap << 11;
  399.         result.pps_info_flags |= pic->quantizer << 9;
  400.         result.pps_info_flags |= pic->panscan_flag << 7;
  401.         result.pps_info_flags |= pic->refdist_flag << 6;
  402.         result.pps_info_flags |= pic->vstransform << 0;
  403.  
  404.         /* some fields only apply to main/advanced profile */
  405.         if (pic->base.profile != PIPE_VIDEO_PROFILE_VC1_SIMPLE) {
  406.                 result.pps_info_flags |= pic->syncmarker << 20;
  407.                 result.pps_info_flags |= pic->rangered << 19;
  408.                 result.pps_info_flags |= pic->loopfilter << 5;
  409.                 result.pps_info_flags |= pic->fastuvmc << 4;
  410.                 result.pps_info_flags |= pic->extended_mv << 3;
  411.                 result.pps_info_flags |= pic->extended_dmv << 8;
  412.                 result.pps_info_flags |= pic->dquant << 1;
  413.         }
  414.  
  415.         result.chroma_format = 1;
  416.  
  417. #if 0
  418. //(((unsigned int)(pPicParams->advance.reserved1))        << SPS_INFO_VC1_RESERVED_SHIFT)
  419. uint32_t        slice_count
  420. uint8_t         picture_type
  421. uint8_t         frame_coding_mode
  422. uint8_t         deblockEnable
  423. uint8_t         pquant
  424. #endif
  425.  
  426.         return result;
  427. }
  428.  
  429. /* extract the frame number from a referenced video buffer */
  430. static uint32_t get_ref_pic_idx(struct ruvd_decoder *dec, struct pipe_video_buffer *ref)
  431. {
  432.         uint32_t min = MAX2(dec->frame_number, NUM_MPEG2_REFS) - NUM_MPEG2_REFS;
  433.         uint32_t max = MAX2(dec->frame_number, 1) - 1;
  434.         uintptr_t frame;
  435.  
  436.         /* seems to be the most sane fallback */
  437.         if (!ref)
  438.                 return max;
  439.  
  440.         /* get the frame number from the associated data */
  441.         frame = (uintptr_t)vl_video_buffer_get_associated_data(ref, &dec->base);
  442.  
  443.         /* limit the frame number to a valid range */
  444.         return MAX2(MIN2(frame, max), min);
  445. }
  446.  
  447. /* get mpeg2 specific msg bits */
  448. static struct ruvd_mpeg2 get_mpeg2_msg(struct ruvd_decoder *dec,
  449.                                        struct pipe_mpeg12_picture_desc *pic)
  450. {
  451.         const int *zscan = pic->alternate_scan ? vl_zscan_alternate : vl_zscan_normal;
  452.         struct ruvd_mpeg2 result;
  453.         unsigned i;
  454.  
  455.         memset(&result, 0, sizeof(result));
  456.         result.decoded_pic_idx = dec->frame_number;
  457.         for (i = 0; i < 2; ++i)
  458.                 result.ref_pic_idx[i] = get_ref_pic_idx(dec, pic->ref[i]);
  459.  
  460.         result.load_intra_quantiser_matrix = 1;
  461.         result.load_nonintra_quantiser_matrix = 1;
  462.  
  463.         for (i = 0; i < 64; ++i) {
  464.                 result.intra_quantiser_matrix[i] = pic->intra_matrix[zscan[i]];
  465.                 result.nonintra_quantiser_matrix[i] = pic->non_intra_matrix[zscan[i]];
  466.         }
  467.  
  468.         result.profile_and_level_indication = 0;
  469.         result.chroma_format = 0x1;
  470.  
  471.         result.picture_coding_type = pic->picture_coding_type;
  472.         result.f_code[0][0] = pic->f_code[0][0] + 1;
  473.         result.f_code[0][1] = pic->f_code[0][1] + 1;
  474.         result.f_code[1][0] = pic->f_code[1][0] + 1;
  475.         result.f_code[1][1] = pic->f_code[1][1] + 1;
  476.         result.intra_dc_precision = pic->intra_dc_precision;
  477.         result.pic_structure = pic->picture_structure;
  478.         result.top_field_first = pic->top_field_first;
  479.         result.frame_pred_frame_dct = pic->frame_pred_frame_dct;
  480.         result.concealment_motion_vectors = pic->concealment_motion_vectors;
  481.         result.q_scale_type = pic->q_scale_type;
  482.         result.intra_vlc_format = pic->intra_vlc_format;
  483.         result.alternate_scan = pic->alternate_scan;
  484.  
  485.         return result;
  486. }
  487.  
  488. /* get mpeg4 specific msg bits */
  489. static struct ruvd_mpeg4 get_mpeg4_msg(struct ruvd_decoder *dec,
  490.                                        struct pipe_mpeg4_picture_desc *pic)
  491. {
  492.         struct ruvd_mpeg4 result;
  493.         unsigned i;
  494.  
  495.         memset(&result, 0, sizeof(result));
  496.         result.decoded_pic_idx = dec->frame_number;
  497.         for (i = 0; i < 2; ++i)
  498.                 result.ref_pic_idx[i] = get_ref_pic_idx(dec, pic->ref[i]);
  499.  
  500.         result.variant_type = 0;
  501.         result.profile_and_level_indication = 0xF0; // ASP Level0
  502.  
  503.         result.video_object_layer_verid = 0x5; // advanced simple
  504.         result.video_object_layer_shape = 0x0; // rectangular
  505.  
  506.         result.video_object_layer_width = dec->base.width;
  507.         result.video_object_layer_height = dec->base.height;
  508.  
  509.         result.vop_time_increment_resolution = pic->vop_time_increment_resolution;
  510.  
  511.         result.flags |= pic->short_video_header << 0;
  512.         //result.flags |= obmc_disable << 1;
  513.         result.flags |= pic->interlaced << 2;
  514.         result.flags |= 1 << 3; // load_intra_quant_mat
  515.         result.flags |= 1 << 4; // load_nonintra_quant_mat
  516.         result.flags |= pic->quarter_sample << 5;
  517.         result.flags |= 1 << 6; // complexity_estimation_disable
  518.         result.flags |= pic->resync_marker_disable << 7;
  519.         //result.flags |= data_partitioned << 8;
  520.         //result.flags |= reversible_vlc << 9;
  521.         result.flags |= 0 << 10; // newpred_enable
  522.         result.flags |= 0 << 11; // reduced_resolution_vop_enable
  523.         //result.flags |= scalability << 12;
  524.         //result.flags |= is_object_layer_identifier << 13;
  525.         //result.flags |= fixed_vop_rate << 14;
  526.         //result.flags |= newpred_segment_type << 15;
  527.  
  528.         result.quant_type = pic->quant_type;
  529.  
  530.         for (i = 0; i < 64; ++i) {
  531.                 result.intra_quant_mat[i] = pic->intra_matrix[vl_zscan_normal[i]];
  532.                 result.nonintra_quant_mat[i] = pic->non_intra_matrix[vl_zscan_normal[i]];
  533.         }
  534.  
  535.         /*
  536.         int32_t         trd [2]
  537.         int32_t         trb [2]
  538.         uint8_t         vop_coding_type
  539.         uint8_t         vop_fcode_forward
  540.         uint8_t         vop_fcode_backward
  541.         uint8_t         rounding_control
  542.         uint8_t         alternate_vertical_scan_flag
  543.         uint8_t         top_field_first
  544.         */
  545.  
  546.         return result;
  547. }
  548.  
  549. /**
  550.  * destroy this video decoder
  551.  */
  552. static void ruvd_destroy(struct pipe_video_codec *decoder)
  553. {
  554.         struct ruvd_decoder *dec = (struct ruvd_decoder*)decoder;
  555.         unsigned i;
  556.  
  557.         assert(decoder);
  558.  
  559.         map_msg_fb_buf(dec);
  560.         memset(dec->msg, 0, sizeof(*dec->msg));
  561.         dec->msg->size = sizeof(*dec->msg);
  562.         dec->msg->msg_type = RUVD_MSG_DESTROY;
  563.         dec->msg->stream_handle = dec->stream_handle;
  564.         send_msg_buf(dec);
  565.  
  566.         flush(dec);
  567.  
  568.         dec->ws->cs_destroy(dec->cs);
  569.  
  570.         for (i = 0; i < NUM_BUFFERS; ++i) {
  571.                 rvid_destroy_buffer(&dec->msg_fb_buffers[i]);
  572.                 rvid_destroy_buffer(&dec->bs_buffers[i]);
  573.         }
  574.  
  575.         rvid_destroy_buffer(&dec->dpb);
  576.  
  577.         FREE(dec);
  578. }
  579.  
  580. /* free associated data in the video buffer callback */
  581. static void ruvd_destroy_associated_data(void *data)
  582. {
  583.         /* NOOP, since we only use an intptr */
  584. }
  585.  
  586. /**
  587.  * start decoding of a new frame
  588.  */
  589. static void ruvd_begin_frame(struct pipe_video_codec *decoder,
  590.                              struct pipe_video_buffer *target,
  591.                              struct pipe_picture_desc *picture)
  592. {
  593.         struct ruvd_decoder *dec = (struct ruvd_decoder*)decoder;
  594.         uintptr_t frame;
  595.  
  596.         assert(decoder);
  597.  
  598.         frame = ++dec->frame_number;
  599.         vl_video_buffer_set_associated_data(target, decoder, (void *)frame,
  600.                                             &ruvd_destroy_associated_data);
  601.  
  602.         dec->bs_size = 0;
  603.         dec->bs_ptr = dec->ws->buffer_map(
  604.                 dec->bs_buffers[dec->cur_buffer].res->cs_buf,
  605.                 dec->cs, PIPE_TRANSFER_WRITE);
  606. }
  607.  
  608. /**
  609.  * decode a macroblock
  610.  */
  611. static void ruvd_decode_macroblock(struct pipe_video_codec *decoder,
  612.                                    struct pipe_video_buffer *target,
  613.                                    struct pipe_picture_desc *picture,
  614.                                    const struct pipe_macroblock *macroblocks,
  615.                                    unsigned num_macroblocks)
  616. {
  617.         /* not supported (yet) */
  618.         assert(0);
  619. }
  620.  
  621. /**
  622.  * decode a bitstream
  623.  */
  624. static void ruvd_decode_bitstream(struct pipe_video_codec *decoder,
  625.                                   struct pipe_video_buffer *target,
  626.                                   struct pipe_picture_desc *picture,
  627.                                   unsigned num_buffers,
  628.                                   const void * const *buffers,
  629.                                   const unsigned *sizes)
  630. {
  631.         struct ruvd_decoder *dec = (struct ruvd_decoder*)decoder;
  632.         unsigned i;
  633.  
  634.         assert(decoder);
  635.  
  636.         if (!dec->bs_ptr)
  637.                 return;
  638.  
  639.         for (i = 0; i < num_buffers; ++i) {
  640.                 struct rvid_buffer *buf = &dec->bs_buffers[dec->cur_buffer];
  641.                 unsigned new_size = dec->bs_size + sizes[i];
  642.  
  643.                 if (new_size > buf->res->buf->size) {
  644.                         dec->ws->buffer_unmap(buf->res->cs_buf);
  645.                         if (!rvid_resize_buffer(dec->screen, dec->cs, buf, new_size)) {
  646.                                 RVID_ERR("Can't resize bitstream buffer!");
  647.                                 return;
  648.                         }
  649.  
  650.                         dec->bs_ptr = dec->ws->buffer_map(buf->res->cs_buf, dec->cs,
  651.                                                           PIPE_TRANSFER_WRITE);
  652.                         if (!dec->bs_ptr)
  653.                                 return;
  654.  
  655.                         dec->bs_ptr += dec->bs_size;
  656.                 }
  657.  
  658.                 memcpy(dec->bs_ptr, buffers[i], sizes[i]);
  659.                 dec->bs_size += sizes[i];
  660.                 dec->bs_ptr += sizes[i];
  661.         }
  662. }
  663.  
  664. /**
  665.  * end decoding of the current frame
  666.  */
  667. static void ruvd_end_frame(struct pipe_video_codec *decoder,
  668.                            struct pipe_video_buffer *target,
  669.                            struct pipe_picture_desc *picture)
  670. {
  671.         struct ruvd_decoder *dec = (struct ruvd_decoder*)decoder;
  672.         struct radeon_winsys_cs_handle *dt;
  673.         struct rvid_buffer *msg_fb_buf, *bs_buf;
  674.         unsigned bs_size;
  675.  
  676.         assert(decoder);
  677.  
  678.         if (!dec->bs_ptr)
  679.                 return;
  680.  
  681.         msg_fb_buf = &dec->msg_fb_buffers[dec->cur_buffer];
  682.         bs_buf = &dec->bs_buffers[dec->cur_buffer];
  683.  
  684.         bs_size = align(dec->bs_size, 128);
  685.         memset(dec->bs_ptr, 0, bs_size - dec->bs_size);
  686.         dec->ws->buffer_unmap(bs_buf->res->cs_buf);
  687.  
  688.         map_msg_fb_buf(dec);
  689.         dec->msg->size = sizeof(*dec->msg);
  690.         dec->msg->msg_type = RUVD_MSG_DECODE;
  691.         dec->msg->stream_handle = dec->stream_handle;
  692.         dec->msg->status_report_feedback_number = dec->frame_number;
  693.  
  694.         dec->msg->body.decode.stream_type = profile2stream_type(dec->base.profile);
  695.         dec->msg->body.decode.decode_flags = 0x1;
  696.         dec->msg->body.decode.width_in_samples = dec->base.width;
  697.         dec->msg->body.decode.height_in_samples = dec->base.height;
  698.  
  699.         dec->msg->body.decode.dpb_size = dec->dpb.res->buf->size;
  700.         dec->msg->body.decode.bsd_size = bs_size;
  701.  
  702.         dt = dec->set_dtb(dec->msg, (struct vl_video_buffer *)target);
  703.  
  704.         switch (u_reduce_video_profile(picture->profile)) {
  705.         case PIPE_VIDEO_FORMAT_MPEG4_AVC:
  706.                 dec->msg->body.decode.codec.h264 = get_h264_msg(dec, (struct pipe_h264_picture_desc*)picture);
  707.                 break;
  708.  
  709.         case PIPE_VIDEO_FORMAT_VC1:
  710.                 dec->msg->body.decode.codec.vc1 = get_vc1_msg((struct pipe_vc1_picture_desc*)picture);
  711.                 break;
  712.  
  713.         case PIPE_VIDEO_FORMAT_MPEG12:
  714.                 dec->msg->body.decode.codec.mpeg2 = get_mpeg2_msg(dec, (struct pipe_mpeg12_picture_desc*)picture);
  715.                 break;
  716.  
  717.         case PIPE_VIDEO_FORMAT_MPEG4:
  718.                 dec->msg->body.decode.codec.mpeg4 = get_mpeg4_msg(dec, (struct pipe_mpeg4_picture_desc*)picture);
  719.                 break;
  720.  
  721.         default:
  722.                 assert(0);
  723.                 return;
  724.         }
  725.  
  726.         dec->msg->body.decode.db_surf_tile_config = dec->msg->body.decode.dt_surf_tile_config;
  727.         dec->msg->body.decode.extension_support = 0x1;
  728.  
  729.         /* set at least the feedback buffer size */
  730.         dec->fb[0] = FB_BUFFER_SIZE;
  731.  
  732.         send_msg_buf(dec);
  733.  
  734.         send_cmd(dec, RUVD_CMD_DPB_BUFFER, dec->dpb.res->cs_buf, 0,
  735.                  RADEON_USAGE_READWRITE, RADEON_DOMAIN_VRAM);
  736.         send_cmd(dec, RUVD_CMD_BITSTREAM_BUFFER, bs_buf->res->cs_buf,
  737.                  0, RADEON_USAGE_READ, RADEON_DOMAIN_GTT);
  738.         send_cmd(dec, RUVD_CMD_DECODING_TARGET_BUFFER, dt, 0,
  739.                  RADEON_USAGE_WRITE, RADEON_DOMAIN_VRAM);
  740.         send_cmd(dec, RUVD_CMD_FEEDBACK_BUFFER, msg_fb_buf->res->cs_buf,
  741.                  FB_BUFFER_OFFSET, RADEON_USAGE_WRITE, RADEON_DOMAIN_GTT);
  742.         set_reg(dec, RUVD_ENGINE_CNTL, 1);
  743.  
  744.         flush(dec);
  745.         next_buffer(dec);
  746. }
  747.  
  748. /**
  749.  * flush any outstanding command buffers to the hardware
  750.  */
  751. static void ruvd_flush(struct pipe_video_codec *decoder)
  752. {
  753. }
  754.  
  755. /**
  756.  * create and UVD decoder
  757.  */
  758. struct pipe_video_codec *ruvd_create_decoder(struct pipe_context *context,
  759.                                              const struct pipe_video_codec *templ,
  760.                                              ruvd_set_dtb set_dtb)
  761. {
  762.         struct radeon_winsys* ws = ((struct r600_common_context *)context)->ws;
  763.         unsigned dpb_size = calc_dpb_size(templ);
  764.         unsigned width = templ->width, height = templ->height;
  765.         unsigned bs_buf_size;
  766.         struct radeon_info info;
  767.         struct ruvd_decoder *dec;
  768.         int i;
  769.  
  770.         ws->query_info(ws, &info);
  771.  
  772.         switch(u_reduce_video_profile(templ->profile)) {
  773.         case PIPE_VIDEO_FORMAT_MPEG12:
  774.                 if (templ->entrypoint > PIPE_VIDEO_ENTRYPOINT_BITSTREAM || info.family < CHIP_PALM)
  775.                         return vl_create_mpeg12_decoder(context, templ);
  776.  
  777.                 /* fall through */
  778.         case PIPE_VIDEO_FORMAT_MPEG4:
  779.         case PIPE_VIDEO_FORMAT_MPEG4_AVC:
  780.                 width = align(width, VL_MACROBLOCK_WIDTH);
  781.                 height = align(height, VL_MACROBLOCK_HEIGHT);
  782.                 break;
  783.  
  784.         default:
  785.                 break;
  786.         }
  787.  
  788.  
  789.         dec = CALLOC_STRUCT(ruvd_decoder);
  790.  
  791.         if (!dec)
  792.                 return NULL;
  793.  
  794.         dec->base = *templ;
  795.         dec->base.context = context;
  796.         dec->base.width = width;
  797.         dec->base.height = height;
  798.  
  799.         dec->base.destroy = ruvd_destroy;
  800.         dec->base.begin_frame = ruvd_begin_frame;
  801.         dec->base.decode_macroblock = ruvd_decode_macroblock;
  802.         dec->base.decode_bitstream = ruvd_decode_bitstream;
  803.         dec->base.end_frame = ruvd_end_frame;
  804.         dec->base.flush = ruvd_flush;
  805.  
  806.         dec->set_dtb = set_dtb;
  807.         dec->stream_handle = rvid_alloc_stream_handle();
  808.         dec->screen = context->screen;
  809.         dec->ws = ws;
  810.         dec->cs = ws->cs_create(ws, RING_UVD, NULL, NULL, NULL);
  811.         if (!dec->cs) {
  812.                 RVID_ERR("Can't get command submission context.\n");
  813.                 goto error;
  814.         }
  815.  
  816.         bs_buf_size = width * height * 512 / (16 * 16);
  817.         for (i = 0; i < NUM_BUFFERS; ++i) {
  818.                 unsigned msg_fb_size = FB_BUFFER_OFFSET + FB_BUFFER_SIZE;
  819.                 STATIC_ASSERT(sizeof(struct ruvd_msg) <= FB_BUFFER_OFFSET);
  820.                 if (!rvid_create_buffer(dec->screen, &dec->msg_fb_buffers[i],
  821.                                         msg_fb_size, PIPE_USAGE_STAGING)) {
  822.                         RVID_ERR("Can't allocated message buffers.\n");
  823.                         goto error;
  824.                 }
  825.  
  826.                 if (!rvid_create_buffer(dec->screen, &dec->bs_buffers[i],
  827.                                         bs_buf_size, PIPE_USAGE_STAGING)) {
  828.                         RVID_ERR("Can't allocated bitstream buffers.\n");
  829.                         goto error;
  830.                 }
  831.  
  832.                 rvid_clear_buffer(context, &dec->msg_fb_buffers[i]);
  833.                 rvid_clear_buffer(context, &dec->bs_buffers[i]);
  834.         }
  835.  
  836.         if (!rvid_create_buffer(dec->screen, &dec->dpb, dpb_size, PIPE_USAGE_DEFAULT)) {
  837.                 RVID_ERR("Can't allocated dpb.\n");
  838.                 goto error;
  839.         }
  840.  
  841.         rvid_clear_buffer(context, &dec->dpb);
  842.  
  843.         map_msg_fb_buf(dec);
  844.         dec->msg->size = sizeof(*dec->msg);
  845.         dec->msg->msg_type = RUVD_MSG_CREATE;
  846.         dec->msg->stream_handle = dec->stream_handle;
  847.         dec->msg->body.create.stream_type = profile2stream_type(dec->base.profile);
  848.         dec->msg->body.create.width_in_samples = dec->base.width;
  849.         dec->msg->body.create.height_in_samples = dec->base.height;
  850.         dec->msg->body.create.dpb_size = dec->dpb.res->buf->size;
  851.         send_msg_buf(dec);
  852.         flush(dec);
  853.         next_buffer(dec);
  854.  
  855.         return &dec->base;
  856.  
  857. error:
  858.         if (dec->cs) dec->ws->cs_destroy(dec->cs);
  859.  
  860.         for (i = 0; i < NUM_BUFFERS; ++i) {
  861.                 rvid_destroy_buffer(&dec->msg_fb_buffers[i]);
  862.                 rvid_destroy_buffer(&dec->bs_buffers[i]);
  863.         }
  864.  
  865.         rvid_destroy_buffer(&dec->dpb);
  866.  
  867.         FREE(dec);
  868.  
  869.         return NULL;
  870. }
  871.  
  872. /* calculate top/bottom offset */
  873. static unsigned texture_offset(struct radeon_surf *surface, unsigned layer)
  874. {
  875.         return surface->level[0].offset +
  876.                 layer * surface->level[0].slice_size;
  877. }
  878.  
  879. /* hw encode the aspect of macro tiles */
  880. static unsigned macro_tile_aspect(unsigned macro_tile_aspect)
  881. {
  882.         switch (macro_tile_aspect) {
  883.         default:
  884.         case 1: macro_tile_aspect = 0;  break;
  885.         case 2: macro_tile_aspect = 1;  break;
  886.         case 4: macro_tile_aspect = 2;  break;
  887.         case 8: macro_tile_aspect = 3;  break;
  888.         }
  889.         return macro_tile_aspect;
  890. }
  891.  
  892. /* hw encode the bank width and height */
  893. static unsigned bank_wh(unsigned bankwh)
  894. {
  895.         switch (bankwh) {
  896.         default:
  897.         case 1: bankwh = 0;     break;
  898.         case 2: bankwh = 1;     break;
  899.         case 4: bankwh = 2;     break;
  900.         case 8: bankwh = 3;     break;
  901.         }
  902.         return bankwh;
  903. }
  904.  
  905. /**
  906.  * fill decoding target field from the luma and chroma surfaces
  907.  */
  908. void ruvd_set_dt_surfaces(struct ruvd_msg *msg, struct radeon_surf *luma,
  909.                           struct radeon_surf *chroma)
  910. {
  911.         msg->body.decode.dt_pitch = luma->level[0].pitch_bytes;
  912.         switch (luma->level[0].mode) {
  913.         case RADEON_SURF_MODE_LINEAR_ALIGNED:
  914.                 msg->body.decode.dt_tiling_mode = RUVD_TILE_LINEAR;
  915.                 msg->body.decode.dt_array_mode = RUVD_ARRAY_MODE_LINEAR;
  916.                 break;
  917.         case RADEON_SURF_MODE_1D:
  918.                 msg->body.decode.dt_tiling_mode = RUVD_TILE_8X8;
  919.                 msg->body.decode.dt_array_mode = RUVD_ARRAY_MODE_1D_THIN;
  920.                 break;
  921.         case RADEON_SURF_MODE_2D:
  922.                 msg->body.decode.dt_tiling_mode = RUVD_TILE_8X8;
  923.                 msg->body.decode.dt_array_mode = RUVD_ARRAY_MODE_2D_THIN;
  924.                 break;
  925.         default:
  926.                 assert(0);
  927.                 break;
  928.         }
  929.  
  930.         msg->body.decode.dt_luma_top_offset = texture_offset(luma, 0);
  931.         msg->body.decode.dt_chroma_top_offset = texture_offset(chroma, 0);
  932.         if (msg->body.decode.dt_field_mode) {
  933.                 msg->body.decode.dt_luma_bottom_offset = texture_offset(luma, 1);
  934.                 msg->body.decode.dt_chroma_bottom_offset = texture_offset(chroma, 1);
  935.         } else {
  936.                 msg->body.decode.dt_luma_bottom_offset = msg->body.decode.dt_luma_top_offset;
  937.                 msg->body.decode.dt_chroma_bottom_offset = msg->body.decode.dt_chroma_top_offset;
  938.         }
  939.  
  940.         assert(luma->bankw == chroma->bankw);
  941.         assert(luma->bankh == chroma->bankh);
  942.         assert(luma->mtilea == chroma->mtilea);
  943.  
  944.         msg->body.decode.dt_surf_tile_config |= RUVD_BANK_WIDTH(bank_wh(luma->bankw));
  945.         msg->body.decode.dt_surf_tile_config |= RUVD_BANK_HEIGHT(bank_wh(luma->bankh));
  946.         msg->body.decode.dt_surf_tile_config |= RUVD_MACRO_TILE_ASPECT_RATIO(macro_tile_aspect(luma->mtilea));
  947. }
  948.