/************************************************************************** * * Copyright 2011 Advanced Micro Devices, Inc. * All Rights Reserved. * * 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, sub license, 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 NON-INFRINGEMENT. * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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. * **************************************************************************/ /* * Authors: * Christian König * */ #include #include #include #include #include #include "pipe/p_video_codec.h" #include "util/u_memory.h" #include "util/u_video.h" #include "vl/vl_defines.h" #include "vl/vl_mpeg12_decoder.h" #include "radeon/drm/radeon_winsys.h" #include "r600_pipe_common.h" #include "radeon_video.h" #include "radeon_uvd.h" #define NUM_BUFFERS 4 #define NUM_MPEG2_REFS 6 #define NUM_H264_REFS 17 #define NUM_VC1_REFS 5 #define FB_BUFFER_OFFSET 0x1000 #define FB_BUFFER_SIZE 2048 /* UVD decoder representation */ struct ruvd_decoder { struct pipe_video_codec base; ruvd_set_dtb set_dtb; unsigned stream_handle; unsigned frame_number; struct radeon_winsys* ws; struct radeon_winsys_cs* cs; unsigned cur_buffer; struct rvid_buffer msg_fb_buffers[NUM_BUFFERS]; struct ruvd_msg *msg; uint32_t *fb; struct rvid_buffer bs_buffers[NUM_BUFFERS]; void* bs_ptr; unsigned bs_size; struct rvid_buffer dpb; }; /* flush IB to the hardware */ static void flush(struct ruvd_decoder *dec) { dec->ws->cs_flush(dec->cs, RADEON_FLUSH_ASYNC, NULL, 0); } /* add a new set register command to the IB */ static void set_reg(struct ruvd_decoder *dec, unsigned reg, uint32_t val) { uint32_t *pm4 = dec->cs->buf; pm4[dec->cs->cdw++] = RUVD_PKT0(reg >> 2, 0); pm4[dec->cs->cdw++] = val; } /* send a command to the VCPU through the GPCOM registers */ static void send_cmd(struct ruvd_decoder *dec, unsigned cmd, struct radeon_winsys_cs_handle* cs_buf, uint32_t off, enum radeon_bo_usage usage, enum radeon_bo_domain domain) { int reloc_idx; reloc_idx = dec->ws->cs_add_reloc(dec->cs, cs_buf, usage, domain, RADEON_PRIO_MIN); set_reg(dec, RUVD_GPCOM_VCPU_DATA0, off); set_reg(dec, RUVD_GPCOM_VCPU_DATA1, reloc_idx * 4); set_reg(dec, RUVD_GPCOM_VCPU_CMD, cmd << 1); } /* map the next available message/feedback buffer */ static void map_msg_fb_buf(struct ruvd_decoder *dec) { struct rvid_buffer* buf; uint8_t *ptr; /* grab the current message/feedback buffer */ buf = &dec->msg_fb_buffers[dec->cur_buffer]; /* and map it for CPU access */ ptr = dec->ws->buffer_map(buf->cs_handle, dec->cs, PIPE_TRANSFER_WRITE); /* calc buffer offsets */ dec->msg = (struct ruvd_msg *)ptr; dec->fb = (uint32_t *)(ptr + FB_BUFFER_OFFSET); } /* unmap and send a message command to the VCPU */ static void send_msg_buf(struct ruvd_decoder *dec) { struct rvid_buffer* buf; /* ignore the request if message/feedback buffer isn't mapped */ if (!dec->msg || !dec->fb) return; /* grab the current message buffer */ buf = &dec->msg_fb_buffers[dec->cur_buffer]; /* unmap the buffer */ dec->ws->buffer_unmap(buf->cs_handle); dec->msg = NULL; dec->fb = NULL; /* and send it to the hardware */ send_cmd(dec, RUVD_CMD_MSG_BUFFER, buf->cs_handle, 0, RADEON_USAGE_READ, RADEON_DOMAIN_GTT); } /* cycle to the next set of buffers */ static void next_buffer(struct ruvd_decoder *dec) { ++dec->cur_buffer; dec->cur_buffer %= NUM_BUFFERS; } /* convert the profile into something UVD understands */ static uint32_t profile2stream_type(enum pipe_video_profile profile) { switch (u_reduce_video_profile(profile)) { case PIPE_VIDEO_FORMAT_MPEG4_AVC: return RUVD_CODEC_H264; case PIPE_VIDEO_FORMAT_VC1: return RUVD_CODEC_VC1; case PIPE_VIDEO_FORMAT_MPEG12: return RUVD_CODEC_MPEG2; case PIPE_VIDEO_FORMAT_MPEG4: return RUVD_CODEC_MPEG4; default: assert(0); return 0; } } /* calculate size of reference picture buffer */ static unsigned calc_dpb_size(const struct pipe_video_codec *templ) { unsigned width_in_mb, height_in_mb, image_size, dpb_size; // always align them to MB size for dpb calculation unsigned width = align(templ->width, VL_MACROBLOCK_WIDTH); unsigned height = align(templ->height, VL_MACROBLOCK_HEIGHT); // always one more for currently decoded picture unsigned max_references = templ->max_references + 1; // aligned size of a single frame image_size = width * height; image_size += image_size / 2; image_size = align(image_size, 1024); // picture width & height in 16 pixel units width_in_mb = width / VL_MACROBLOCK_WIDTH; height_in_mb = align(height / VL_MACROBLOCK_HEIGHT, 2); switch (u_reduce_video_profile(templ->profile)) { case PIPE_VIDEO_FORMAT_MPEG4_AVC: // the firmware seems to allways assume a minimum of ref frames max_references = MAX2(NUM_H264_REFS, max_references); // reference picture buffer dpb_size = image_size * max_references; // macroblock context buffer dpb_size += width_in_mb * height_in_mb * max_references * 192; // IT surface buffer dpb_size += width_in_mb * height_in_mb * 32; break; case PIPE_VIDEO_FORMAT_VC1: // the firmware seems to allways assume a minimum of ref frames max_references = MAX2(NUM_VC1_REFS, max_references); // reference picture buffer dpb_size = image_size * max_references; // CONTEXT_BUFFER dpb_size += width_in_mb * height_in_mb * 128; // IT surface buffer dpb_size += width_in_mb * 64; // DB surface buffer dpb_size += width_in_mb * 128; // BP dpb_size += align(MAX2(width_in_mb, height_in_mb) * 7 * 16, 64); break; case PIPE_VIDEO_FORMAT_MPEG12: // reference picture buffer, must be big enough for all frames dpb_size = image_size * NUM_MPEG2_REFS; break; case PIPE_VIDEO_FORMAT_MPEG4: // reference picture buffer dpb_size = image_size * max_references; // CM dpb_size += width_in_mb * height_in_mb * 64; // IT surface buffer dpb_size += align(width_in_mb * height_in_mb * 32, 64); break; default: // something is missing here assert(0); // at least use a sane default value dpb_size = 32 * 1024 * 1024; break; } return dpb_size; } /* get h264 specific message bits */ static struct ruvd_h264 get_h264_msg(struct ruvd_decoder *dec, struct pipe_h264_picture_desc *pic) { struct ruvd_h264 result; memset(&result, 0, sizeof(result)); switch (pic->base.profile) { case PIPE_VIDEO_PROFILE_MPEG4_AVC_BASELINE: result.profile = RUVD_H264_PROFILE_BASELINE; break; case PIPE_VIDEO_PROFILE_MPEG4_AVC_MAIN: result.profile = RUVD_H264_PROFILE_MAIN; break; case PIPE_VIDEO_PROFILE_MPEG4_AVC_HIGH: result.profile = RUVD_H264_PROFILE_HIGH; break; default: assert(0); break; } if (((dec->base.width * dec->base.height) >> 8) <= 1620) result.level = 30; else result.level = 41; result.sps_info_flags = 0; result.sps_info_flags |= pic->pps->sps->direct_8x8_inference_flag << 0; result.sps_info_flags |= pic->pps->sps->mb_adaptive_frame_field_flag << 1; result.sps_info_flags |= pic->pps->sps->frame_mbs_only_flag << 2; result.sps_info_flags |= pic->pps->sps->delta_pic_order_always_zero_flag << 3; result.bit_depth_luma_minus8 = pic->pps->sps->bit_depth_luma_minus8; result.bit_depth_chroma_minus8 = pic->pps->sps->bit_depth_chroma_minus8; result.log2_max_frame_num_minus4 = pic->pps->sps->log2_max_frame_num_minus4; result.pic_order_cnt_type = pic->pps->sps->pic_order_cnt_type; result.log2_max_pic_order_cnt_lsb_minus4 = pic->pps->sps->log2_max_pic_order_cnt_lsb_minus4; switch (dec->base.chroma_format) { case PIPE_VIDEO_CHROMA_FORMAT_400: result.chroma_format = 0; break; case PIPE_VIDEO_CHROMA_FORMAT_420: result.chroma_format = 1; break; case PIPE_VIDEO_CHROMA_FORMAT_422: result.chroma_format = 2; break; case PIPE_VIDEO_CHROMA_FORMAT_444: result.chroma_format = 3; break; } result.pps_info_flags = 0; result.pps_info_flags |= pic->pps->transform_8x8_mode_flag << 0; result.pps_info_flags |= pic->pps->redundant_pic_cnt_present_flag << 1; result.pps_info_flags |= pic->pps->constrained_intra_pred_flag << 2; result.pps_info_flags |= pic->pps->deblocking_filter_control_present_flag << 3; result.pps_info_flags |= pic->pps->weighted_bipred_idc << 4; result.pps_info_flags |= pic->pps->weighted_pred_flag << 6; result.pps_info_flags |= pic->pps->bottom_field_pic_order_in_frame_present_flag << 7; result.pps_info_flags |= pic->pps->entropy_coding_mode_flag << 8; result.num_slice_groups_minus1 = pic->pps->num_slice_groups_minus1; result.slice_group_map_type = pic->pps->slice_group_map_type; result.slice_group_change_rate_minus1 = pic->pps->slice_group_change_rate_minus1; result.pic_init_qp_minus26 = pic->pps->pic_init_qp_minus26; result.chroma_qp_index_offset = pic->pps->chroma_qp_index_offset; result.second_chroma_qp_index_offset = pic->pps->second_chroma_qp_index_offset; memcpy(result.scaling_list_4x4, pic->pps->ScalingList4x4, 6*16); memcpy(result.scaling_list_8x8, pic->pps->ScalingList8x8, 2*64); result.num_ref_frames = pic->num_ref_frames; result.num_ref_idx_l0_active_minus1 = pic->num_ref_idx_l0_active_minus1; result.num_ref_idx_l1_active_minus1 = pic->num_ref_idx_l1_active_minus1; result.frame_num = pic->frame_num; memcpy(result.frame_num_list, pic->frame_num_list, 4*16); result.curr_field_order_cnt_list[0] = pic->field_order_cnt[0]; result.curr_field_order_cnt_list[1] = pic->field_order_cnt[1]; memcpy(result.field_order_cnt_list, pic->field_order_cnt_list, 4*16*2); result.decoded_pic_idx = pic->frame_num; return result; } /* get vc1 specific message bits */ static struct ruvd_vc1 get_vc1_msg(struct pipe_vc1_picture_desc *pic) { struct ruvd_vc1 result; memset(&result, 0, sizeof(result)); switch(pic->base.profile) { case PIPE_VIDEO_PROFILE_VC1_SIMPLE: result.profile = RUVD_VC1_PROFILE_SIMPLE; result.level = 1; break; case PIPE_VIDEO_PROFILE_VC1_MAIN: result.profile = RUVD_VC1_PROFILE_MAIN; result.level = 2; break; case PIPE_VIDEO_PROFILE_VC1_ADVANCED: result.profile = RUVD_VC1_PROFILE_ADVANCED; result.level = 4; break; default: assert(0); } /* fields common for all profiles */ result.sps_info_flags |= pic->postprocflag << 7; result.sps_info_flags |= pic->pulldown << 6; result.sps_info_flags |= pic->interlace << 5; result.sps_info_flags |= pic->tfcntrflag << 4; result.sps_info_flags |= pic->finterpflag << 3; result.sps_info_flags |= pic->psf << 1; result.pps_info_flags |= pic->range_mapy_flag << 31; result.pps_info_flags |= pic->range_mapy << 28; result.pps_info_flags |= pic->range_mapuv_flag << 27; result.pps_info_flags |= pic->range_mapuv << 24; result.pps_info_flags |= pic->multires << 21; result.pps_info_flags |= pic->maxbframes << 16; result.pps_info_flags |= pic->overlap << 11; result.pps_info_flags |= pic->quantizer << 9; result.pps_info_flags |= pic->panscan_flag << 7; result.pps_info_flags |= pic->refdist_flag << 6; result.pps_info_flags |= pic->vstransform << 0; /* some fields only apply to main/advanced profile */ if (pic->base.profile != PIPE_VIDEO_PROFILE_VC1_SIMPLE) { result.pps_info_flags |= pic->syncmarker << 20; result.pps_info_flags |= pic->rangered << 19; result.pps_info_flags |= pic->loopfilter << 5; result.pps_info_flags |= pic->fastuvmc << 4; result.pps_info_flags |= pic->extended_mv << 3; result.pps_info_flags |= pic->extended_dmv << 8; result.pps_info_flags |= pic->dquant << 1; } result.chroma_format = 1; #if 0 //(((unsigned int)(pPicParams->advance.reserved1)) << SPS_INFO_VC1_RESERVED_SHIFT) uint32_t slice_count uint8_t picture_type uint8_t frame_coding_mode uint8_t deblockEnable uint8_t pquant #endif return result; } /* extract the frame number from a referenced video buffer */ static uint32_t get_ref_pic_idx(struct ruvd_decoder *dec, struct pipe_video_buffer *ref) { uint32_t min = MAX2(dec->frame_number, NUM_MPEG2_REFS) - NUM_MPEG2_REFS; uint32_t max = MAX2(dec->frame_number, 1) - 1; uintptr_t frame; /* seems to be the most sane fallback */ if (!ref) return max; /* get the frame number from the associated data */ frame = (uintptr_t)vl_video_buffer_get_associated_data(ref, &dec->base); /* limit the frame number to a valid range */ return MAX2(MIN2(frame, max), min); } /* get mpeg2 specific msg bits */ static struct ruvd_mpeg2 get_mpeg2_msg(struct ruvd_decoder *dec, struct pipe_mpeg12_picture_desc *pic) { const int *zscan = pic->alternate_scan ? vl_zscan_alternate : vl_zscan_normal; struct ruvd_mpeg2 result; unsigned i; memset(&result, 0, sizeof(result)); result.decoded_pic_idx = dec->frame_number; for (i = 0; i < 2; ++i) result.ref_pic_idx[i] = get_ref_pic_idx(dec, pic->ref[i]); result.load_intra_quantiser_matrix = 1; result.load_nonintra_quantiser_matrix = 1; for (i = 0; i < 64; ++i) { result.intra_quantiser_matrix[i] = pic->intra_matrix[zscan[i]]; result.nonintra_quantiser_matrix[i] = pic->non_intra_matrix[zscan[i]]; } result.profile_and_level_indication = 0; result.chroma_format = 0x1; result.picture_coding_type = pic->picture_coding_type; result.f_code[0][0] = pic->f_code[0][0] + 1; result.f_code[0][1] = pic->f_code[0][1] + 1; result.f_code[1][0] = pic->f_code[1][0] + 1; result.f_code[1][1] = pic->f_code[1][1] + 1; result.intra_dc_precision = pic->intra_dc_precision; result.pic_structure = pic->picture_structure; result.top_field_first = pic->top_field_first; result.frame_pred_frame_dct = pic->frame_pred_frame_dct; result.concealment_motion_vectors = pic->concealment_motion_vectors; result.q_scale_type = pic->q_scale_type; result.intra_vlc_format = pic->intra_vlc_format; result.alternate_scan = pic->alternate_scan; return result; } /* get mpeg4 specific msg bits */ static struct ruvd_mpeg4 get_mpeg4_msg(struct ruvd_decoder *dec, struct pipe_mpeg4_picture_desc *pic) { struct ruvd_mpeg4 result; unsigned i; memset(&result, 0, sizeof(result)); result.decoded_pic_idx = dec->frame_number; for (i = 0; i < 2; ++i) result.ref_pic_idx[i] = get_ref_pic_idx(dec, pic->ref[i]); result.variant_type = 0; result.profile_and_level_indication = 0xF0; // ASP Level0 result.video_object_layer_verid = 0x5; // advanced simple result.video_object_layer_shape = 0x0; // rectangular result.video_object_layer_width = dec->base.width; result.video_object_layer_height = dec->base.height; result.vop_time_increment_resolution = pic->vop_time_increment_resolution; result.flags |= pic->short_video_header << 0; //result.flags |= obmc_disable << 1; result.flags |= pic->interlaced << 2; result.flags |= 1 << 3; // load_intra_quant_mat result.flags |= 1 << 4; // load_nonintra_quant_mat result.flags |= pic->quarter_sample << 5; result.flags |= 1 << 6; // complexity_estimation_disable result.flags |= pic->resync_marker_disable << 7; //result.flags |= data_partitioned << 8; //result.flags |= reversible_vlc << 9; result.flags |= 0 << 10; // newpred_enable result.flags |= 0 << 11; // reduced_resolution_vop_enable //result.flags |= scalability << 12; //result.flags |= is_object_layer_identifier << 13; //result.flags |= fixed_vop_rate << 14; //result.flags |= newpred_segment_type << 15; result.quant_type = pic->quant_type; for (i = 0; i < 64; ++i) { result.intra_quant_mat[i] = pic->intra_matrix[vl_zscan_normal[i]]; result.nonintra_quant_mat[i] = pic->non_intra_matrix[vl_zscan_normal[i]]; } /* int32_t trd [2] int32_t trb [2] uint8_t vop_coding_type uint8_t vop_fcode_forward uint8_t vop_fcode_backward uint8_t rounding_control uint8_t alternate_vertical_scan_flag uint8_t top_field_first */ return result; } /** * destroy this video decoder */ static void ruvd_destroy(struct pipe_video_codec *decoder) { struct ruvd_decoder *dec = (struct ruvd_decoder*)decoder; unsigned i; assert(decoder); map_msg_fb_buf(dec); memset(dec->msg, 0, sizeof(*dec->msg)); dec->msg->size = sizeof(*dec->msg); dec->msg->msg_type = RUVD_MSG_DESTROY; dec->msg->stream_handle = dec->stream_handle; send_msg_buf(dec); flush(dec); dec->ws->cs_destroy(dec->cs); for (i = 0; i < NUM_BUFFERS; ++i) { rvid_destroy_buffer(&dec->msg_fb_buffers[i]); rvid_destroy_buffer(&dec->bs_buffers[i]); } rvid_destroy_buffer(&dec->dpb); FREE(dec); } /* free associated data in the video buffer callback */ static void ruvd_destroy_associated_data(void *data) { /* NOOP, since we only use an intptr */ } /** * start decoding of a new frame */ static void ruvd_begin_frame(struct pipe_video_codec *decoder, struct pipe_video_buffer *target, struct pipe_picture_desc *picture) { struct ruvd_decoder *dec = (struct ruvd_decoder*)decoder; uintptr_t frame; assert(decoder); frame = ++dec->frame_number; vl_video_buffer_set_associated_data(target, decoder, (void *)frame, &ruvd_destroy_associated_data); dec->bs_size = 0; dec->bs_ptr = dec->ws->buffer_map( dec->bs_buffers[dec->cur_buffer].cs_handle, dec->cs, PIPE_TRANSFER_WRITE); } /** * decode a macroblock */ static void ruvd_decode_macroblock(struct pipe_video_codec *decoder, struct pipe_video_buffer *target, struct pipe_picture_desc *picture, const struct pipe_macroblock *macroblocks, unsigned num_macroblocks) { /* not supported (yet) */ assert(0); } /** * decode a bitstream */ static void ruvd_decode_bitstream(struct pipe_video_codec *decoder, struct pipe_video_buffer *target, struct pipe_picture_desc *picture, unsigned num_buffers, const void * const *buffers, const unsigned *sizes) { struct ruvd_decoder *dec = (struct ruvd_decoder*)decoder; unsigned i; assert(decoder); if (!dec->bs_ptr) return; for (i = 0; i < num_buffers; ++i) { struct rvid_buffer *buf = &dec->bs_buffers[dec->cur_buffer]; unsigned new_size = dec->bs_size + sizes[i]; if (new_size > buf->buf->size) { dec->ws->buffer_unmap(buf->cs_handle); if (!rvid_resize_buffer(dec->ws, dec->cs, buf, new_size)) { RVID_ERR("Can't resize bitstream buffer!"); return; } dec->bs_ptr = dec->ws->buffer_map(buf->cs_handle, dec->cs, PIPE_TRANSFER_WRITE); if (!dec->bs_ptr) return; dec->bs_ptr += dec->bs_size; } memcpy(dec->bs_ptr, buffers[i], sizes[i]); dec->bs_size += sizes[i]; dec->bs_ptr += sizes[i]; } } /** * end decoding of the current frame */ static void ruvd_end_frame(struct pipe_video_codec *decoder, struct pipe_video_buffer *target, struct pipe_picture_desc *picture) { struct ruvd_decoder *dec = (struct ruvd_decoder*)decoder; struct radeon_winsys_cs_handle *dt; struct rvid_buffer *msg_fb_buf, *bs_buf; unsigned bs_size; assert(decoder); if (!dec->bs_ptr) return; msg_fb_buf = &dec->msg_fb_buffers[dec->cur_buffer]; bs_buf = &dec->bs_buffers[dec->cur_buffer]; bs_size = align(dec->bs_size, 128); memset(dec->bs_ptr, 0, bs_size - dec->bs_size); dec->ws->buffer_unmap(bs_buf->cs_handle); map_msg_fb_buf(dec); dec->msg->size = sizeof(*dec->msg); dec->msg->msg_type = RUVD_MSG_DECODE; dec->msg->stream_handle = dec->stream_handle; dec->msg->status_report_feedback_number = dec->frame_number; dec->msg->body.decode.stream_type = profile2stream_type(dec->base.profile); dec->msg->body.decode.decode_flags = 0x1; dec->msg->body.decode.width_in_samples = dec->base.width; dec->msg->body.decode.height_in_samples = dec->base.height; dec->msg->body.decode.dpb_size = dec->dpb.buf->size; dec->msg->body.decode.bsd_size = bs_size; dt = dec->set_dtb(dec->msg, (struct vl_video_buffer *)target); switch (u_reduce_video_profile(picture->profile)) { case PIPE_VIDEO_FORMAT_MPEG4_AVC: dec->msg->body.decode.codec.h264 = get_h264_msg(dec, (struct pipe_h264_picture_desc*)picture); break; case PIPE_VIDEO_FORMAT_VC1: dec->msg->body.decode.codec.vc1 = get_vc1_msg((struct pipe_vc1_picture_desc*)picture); break; case PIPE_VIDEO_FORMAT_MPEG12: dec->msg->body.decode.codec.mpeg2 = get_mpeg2_msg(dec, (struct pipe_mpeg12_picture_desc*)picture); break; case PIPE_VIDEO_FORMAT_MPEG4: dec->msg->body.decode.codec.mpeg4 = get_mpeg4_msg(dec, (struct pipe_mpeg4_picture_desc*)picture); break; default: assert(0); return; } dec->msg->body.decode.db_surf_tile_config = dec->msg->body.decode.dt_surf_tile_config; dec->msg->body.decode.extension_support = 0x1; /* set at least the feedback buffer size */ dec->fb[0] = FB_BUFFER_SIZE; send_msg_buf(dec); send_cmd(dec, RUVD_CMD_DPB_BUFFER, dec->dpb.cs_handle, 0, RADEON_USAGE_READWRITE, RADEON_DOMAIN_VRAM); send_cmd(dec, RUVD_CMD_BITSTREAM_BUFFER, bs_buf->cs_handle, 0, RADEON_USAGE_READ, RADEON_DOMAIN_GTT); send_cmd(dec, RUVD_CMD_DECODING_TARGET_BUFFER, dt, 0, RADEON_USAGE_WRITE, RADEON_DOMAIN_VRAM); send_cmd(dec, RUVD_CMD_FEEDBACK_BUFFER, msg_fb_buf->cs_handle, FB_BUFFER_OFFSET, RADEON_USAGE_WRITE, RADEON_DOMAIN_GTT); set_reg(dec, RUVD_ENGINE_CNTL, 1); flush(dec); next_buffer(dec); } /** * flush any outstanding command buffers to the hardware */ static void ruvd_flush(struct pipe_video_codec *decoder) { } /** * create and UVD decoder */ struct pipe_video_codec *ruvd_create_decoder(struct pipe_context *context, const struct pipe_video_codec *templ, ruvd_set_dtb set_dtb) { struct radeon_winsys* ws = ((struct r600_common_context *)context)->ws; unsigned dpb_size = calc_dpb_size(templ); unsigned width = templ->width, height = templ->height; unsigned bs_buf_size; struct radeon_info info; struct ruvd_decoder *dec; int i; ws->query_info(ws, &info); switch(u_reduce_video_profile(templ->profile)) { case PIPE_VIDEO_FORMAT_MPEG12: if (templ->entrypoint > PIPE_VIDEO_ENTRYPOINT_BITSTREAM || info.family < CHIP_PALM) return vl_create_mpeg12_decoder(context, templ); /* fall through */ case PIPE_VIDEO_FORMAT_MPEG4: case PIPE_VIDEO_FORMAT_MPEG4_AVC: width = align(width, VL_MACROBLOCK_WIDTH); height = align(height, VL_MACROBLOCK_HEIGHT); break; default: break; } dec = CALLOC_STRUCT(ruvd_decoder); if (!dec) return NULL; dec->base = *templ; dec->base.context = context; dec->base.width = width; dec->base.height = height; dec->base.destroy = ruvd_destroy; dec->base.begin_frame = ruvd_begin_frame; dec->base.decode_macroblock = ruvd_decode_macroblock; dec->base.decode_bitstream = ruvd_decode_bitstream; dec->base.end_frame = ruvd_end_frame; dec->base.flush = ruvd_flush; dec->set_dtb = set_dtb; dec->stream_handle = rvid_alloc_stream_handle(); dec->ws = ws; dec->cs = ws->cs_create(ws, RING_UVD, NULL, NULL, NULL); if (!dec->cs) { RVID_ERR("Can't get command submission context.\n"); goto error; } bs_buf_size = width * height * 512 / (16 * 16); for (i = 0; i < NUM_BUFFERS; ++i) { unsigned msg_fb_size = FB_BUFFER_OFFSET + FB_BUFFER_SIZE; STATIC_ASSERT(sizeof(struct ruvd_msg) <= FB_BUFFER_OFFSET); if (!rvid_create_buffer(dec->ws, &dec->msg_fb_buffers[i], msg_fb_size, RADEON_DOMAIN_VRAM, 0)) { RVID_ERR("Can't allocated message buffers.\n"); goto error; } if (!rvid_create_buffer(dec->ws, &dec->bs_buffers[i], bs_buf_size, RADEON_DOMAIN_GTT, 0)) { RVID_ERR("Can't allocated bitstream buffers.\n"); goto error; } rvid_clear_buffer(dec->ws, dec->cs, &dec->msg_fb_buffers[i]); rvid_clear_buffer(dec->ws, dec->cs, &dec->bs_buffers[i]); } if (!rvid_create_buffer(dec->ws, &dec->dpb, dpb_size, RADEON_DOMAIN_VRAM, 0)) { RVID_ERR("Can't allocated dpb.\n"); goto error; } rvid_clear_buffer(dec->ws, dec->cs, &dec->dpb); map_msg_fb_buf(dec); dec->msg->size = sizeof(*dec->msg); dec->msg->msg_type = RUVD_MSG_CREATE; dec->msg->stream_handle = dec->stream_handle; dec->msg->body.create.stream_type = profile2stream_type(dec->base.profile); dec->msg->body.create.width_in_samples = dec->base.width; dec->msg->body.create.height_in_samples = dec->base.height; dec->msg->body.create.dpb_size = dec->dpb.buf->size; send_msg_buf(dec); flush(dec); next_buffer(dec); return &dec->base; error: if (dec->cs) dec->ws->cs_destroy(dec->cs); for (i = 0; i < NUM_BUFFERS; ++i) { rvid_destroy_buffer(&dec->msg_fb_buffers[i]); rvid_destroy_buffer(&dec->bs_buffers[i]); } rvid_destroy_buffer(&dec->dpb); FREE(dec); return NULL; } /* calculate top/bottom offset */ static unsigned texture_offset(struct radeon_surface *surface, unsigned layer) { return surface->level[0].offset + layer * surface->level[0].slice_size; } /* hw encode the aspect of macro tiles */ static unsigned macro_tile_aspect(unsigned macro_tile_aspect) { switch (macro_tile_aspect) { default: case 1: macro_tile_aspect = 0; break; case 2: macro_tile_aspect = 1; break; case 4: macro_tile_aspect = 2; break; case 8: macro_tile_aspect = 3; break; } return macro_tile_aspect; } /* hw encode the bank width and height */ static unsigned bank_wh(unsigned bankwh) { switch (bankwh) { default: case 1: bankwh = 0; break; case 2: bankwh = 1; break; case 4: bankwh = 2; break; case 8: bankwh = 3; break; } return bankwh; } /** * fill decoding target field from the luma and chroma surfaces */ void ruvd_set_dt_surfaces(struct ruvd_msg *msg, struct radeon_surface *luma, struct radeon_surface *chroma) { msg->body.decode.dt_pitch = luma->level[0].pitch_bytes; switch (luma->level[0].mode) { case RADEON_SURF_MODE_LINEAR_ALIGNED: msg->body.decode.dt_tiling_mode = RUVD_TILE_LINEAR; msg->body.decode.dt_array_mode = RUVD_ARRAY_MODE_LINEAR; break; case RADEON_SURF_MODE_1D: msg->body.decode.dt_tiling_mode = RUVD_TILE_8X8; msg->body.decode.dt_array_mode = RUVD_ARRAY_MODE_1D_THIN; break; case RADEON_SURF_MODE_2D: msg->body.decode.dt_tiling_mode = RUVD_TILE_8X8; msg->body.decode.dt_array_mode = RUVD_ARRAY_MODE_2D_THIN; break; default: assert(0); break; } msg->body.decode.dt_luma_top_offset = texture_offset(luma, 0); msg->body.decode.dt_chroma_top_offset = texture_offset(chroma, 0); if (msg->body.decode.dt_field_mode) { msg->body.decode.dt_luma_bottom_offset = texture_offset(luma, 1); msg->body.decode.dt_chroma_bottom_offset = texture_offset(chroma, 1); } else { msg->body.decode.dt_luma_bottom_offset = msg->body.decode.dt_luma_top_offset; msg->body.decode.dt_chroma_bottom_offset = msg->body.decode.dt_chroma_top_offset; } assert(luma->bankw == chroma->bankw); assert(luma->bankh == chroma->bankh); assert(luma->mtilea == chroma->mtilea); msg->body.decode.dt_surf_tile_config |= RUVD_BANK_WIDTH(bank_wh(luma->bankw)); msg->body.decode.dt_surf_tile_config |= RUVD_BANK_HEIGHT(bank_wh(luma->bankh)); msg->body.decode.dt_surf_tile_config |= RUVD_MACRO_TILE_ASPECT_RATIO(macro_tile_aspect(luma->mtilea)); }