diff options
Diffstat (limited to 'src/gallium/drivers/radeon/radeon_uvd.c')
| -rw-r--r-- | src/gallium/drivers/radeon/radeon_uvd.c | 1111 |
1 files changed, 1111 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeon/radeon_uvd.c b/src/gallium/drivers/radeon/radeon_uvd.c new file mode 100644 index 00000000000..dae78803e7d --- /dev/null +++ b/src/gallium/drivers/radeon/radeon_uvd.c @@ -0,0 +1,1111 @@ +/************************************************************************** + * + * 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 <[email protected]> + * + */ + +#include <sys/types.h> +#include <assert.h> +#include <errno.h> +#include <unistd.h> +#include <stdio.h> + +#include "pipe/p_video_decoder.h" + +#include "util/u_memory.h" +#include "util/u_video.h" + +#include "vl/vl_defines.h" +#include "vl/vl_mpeg12_decoder.h" + +#include "../../winsys/radeon/drm/radeon_winsys.h" +#include "radeon_uvd.h" + +#define RUVD_ERR(fmt, args...) \ + fprintf(stderr, "EE %s:%d %s UVD - "fmt, __FILE__, __LINE__, __func__, ##args) + +#define NUM_BUFFERS 4 + +#define NUM_MPEG2_REFS 6 +#define NUM_H264_REFS 17 + +/* UVD buffer representation */ +struct ruvd_buffer +{ + struct pb_buffer* buf; + struct radeon_winsys_cs_handle* cs_handle; +}; + +/* UVD decoder representation */ +struct ruvd_decoder { + struct pipe_video_decoder 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 ruvd_buffer msg_fb_buffers[NUM_BUFFERS]; + struct ruvd_buffer bs_buffers[NUM_BUFFERS]; + void* bs_ptr; + unsigned bs_size; + + struct ruvd_buffer dpb; +}; + +/* generate an UVD stream handle */ +static unsigned alloc_stream_handle() +{ + static unsigned counter = 0; + unsigned stream_handle = 0; + unsigned pid = getpid(); + int i; + + for (i = 0; i < 32; ++i) + stream_handle |= ((pid >> i) & 1) << (31 - i); + + stream_handle ^= ++counter; + return stream_handle; +} + +/* flush IB to the hardware */ +static void flush(struct ruvd_decoder *dec) +{ + uint32_t *pm4 = dec->cs->buf; + + // align IB + while(dec->cs->cdw % 16) + pm4[dec->cs->cdw++] = RUVD_PKT2(); + + dec->ws->cs_flush(dec->cs, 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); + 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); +} + +/* send a message command to the VCPU */ +static void send_msg(struct ruvd_decoder *dec, struct ruvd_msg *msg) +{ + struct ruvd_buffer* buf; + void *ptr; + + /* grap a message buffer */ + buf = &dec->msg_fb_buffers[dec->cur_buffer]; + + /* copy the message into it */ + ptr = dec->ws->buffer_map(buf->cs_handle, dec->cs, PIPE_TRANSFER_WRITE); + if (!ptr) + return; + + memcpy(ptr, msg, sizeof(*msg)); + memset(ptr + sizeof(*msg), 0, buf->buf->size - sizeof(*msg)); + dec->ws->buffer_unmap(buf->cs_handle); + + /* and send it to the hardware */ + send_cmd(dec, RUVD_CMD_MSG_BUFFER, buf->cs_handle, 0, + RADEON_USAGE_READ, RADEON_DOMAIN_VRAM); +} + +/* create a buffer in the winsys */ +static bool create_buffer(struct ruvd_decoder *dec, + struct ruvd_buffer *buffer, + unsigned size) +{ + buffer->buf = dec->ws->buffer_create(dec->ws, size, 4096, false, + RADEON_DOMAIN_GTT | RADEON_DOMAIN_VRAM); + if (!buffer->buf) + return false; + + buffer->cs_handle = dec->ws->buffer_get_cs_handle(buffer->buf); + if (!buffer->cs_handle) + return false; + + return true; +} + +/* destroy a buffer */ +static void destroy_buffer(struct ruvd_buffer *buffer) +{ + pb_reference(&buffer->buf, NULL); + buffer->cs_handle = NULL; +} + +/* reallocate a buffer, preserving its content */ +static bool resize_buffer(struct ruvd_decoder *dec, + struct ruvd_buffer *new_buf, + unsigned new_size) +{ + unsigned bytes = MIN2(new_buf->buf->size, new_size); + struct ruvd_buffer old_buf = *new_buf; + void *src = NULL, *dst = NULL; + + if (!create_buffer(dec, new_buf, new_size)) + goto error; + + src = dec->ws->buffer_map(old_buf.cs_handle, dec->cs, PIPE_TRANSFER_READ); + if (!src) + goto error; + + dst = dec->ws->buffer_map(new_buf->cs_handle, dec->cs, PIPE_TRANSFER_WRITE); + if (!dst) + goto error; + + memcpy(dst, src, bytes); + if (new_size > bytes) { + new_size -= bytes; + dst += bytes; + memset(dst, 0, new_size); + } + dec->ws->buffer_unmap(new_buf->cs_handle); + dec->ws->buffer_unmap(old_buf.cs_handle); + destroy_buffer(&old_buf); + return true; + +error: + if (src) dec->ws->buffer_unmap(old_buf.cs_handle); + destroy_buffer(new_buf); + *new_buf = old_buf; + return false; +} + +/* clear the buffer with zeros */ +static void clear_buffer(struct ruvd_decoder *dec, + struct ruvd_buffer* buffer) +{ + //TODO: let the GPU do the job + void *ptr = dec->ws->buffer_map(buffer->cs_handle, dec->cs, + PIPE_TRANSFER_WRITE); + if (!ptr) + return; + + memset(ptr, 0, buffer->buf->size); + dec->ws->buffer_unmap(buffer->cs_handle); +} + +/* 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_CODEC_MPEG4_AVC: + return RUVD_CODEC_H264; + + case PIPE_VIDEO_CODEC_VC1: + return RUVD_CODEC_VC1; + + case PIPE_VIDEO_CODEC_MPEG12: + return RUVD_CODEC_MPEG2; + + case PIPE_VIDEO_CODEC_MPEG4: + return RUVD_CODEC_MPEG4; + + default: + assert(0); + return 0; + } +} + +/* calculate size of reference picture buffer */ +static unsigned calc_dpb_size(enum pipe_video_profile profile, + unsigned width, unsigned height, + unsigned max_references) +{ + unsigned width_in_mb, height_in_mb, image_size, dpb_size; + + // always align them to MB size for dpb calculation + width = align(width, VL_MACROBLOCK_WIDTH); + height = align(height, VL_MACROBLOCK_HEIGHT); + + // always one more for currently decoded picture + 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(profile)) { + case PIPE_VIDEO_CODEC_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_CODEC_VC1: + // 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_CODEC_MPEG12: + // reference picture buffer, must be big enough for all frames + dpb_size = image_size * NUM_MPEG2_REFS; + break; + + case PIPE_VIDEO_CODEC_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->direct_8x8_inference_flag << 0; + result.sps_info_flags |= pic->mb_adaptive_frame_field_flag << 1; + result.sps_info_flags |= pic->frame_mbs_only_flag << 2; + result.sps_info_flags |= pic->delta_pic_order_always_zero_flag << 3; + + result.pps_info_flags = 0; + result.pps_info_flags |= pic->transform_8x8_mode_flag << 0; + result.pps_info_flags |= pic->redundant_pic_cnt_present_flag << 1; + result.pps_info_flags |= pic->constrained_intra_pred_flag << 2; + result.pps_info_flags |= pic->deblocking_filter_control_present_flag << 3; + result.pps_info_flags |= pic->weighted_bipred_idc << 4; + result.pps_info_flags |= pic->weighted_pred_flag << 6; + result.pps_info_flags |= pic->pic_order_present_flag << 7; + result.pps_info_flags |= pic->entropy_coding_mode_flag << 8; + + result.chroma_format = 0x1; + result.bit_depth_luma_minus8 = 0; + result.bit_depth_chroma_minus8 = 0; + + result.log2_max_frame_num_minus4 = pic->log2_max_frame_num_minus4; + result.pic_order_cnt_type = pic->pic_order_cnt_type; + result.log2_max_pic_order_cnt_lsb_minus4 = pic->log2_max_pic_order_cnt_lsb_minus4; + result.num_ref_frames = pic->num_ref_frames; + result.pic_init_qp_minus26 = pic->pic_init_qp_minus26; + result.chroma_qp_index_offset = pic->chroma_qp_index_offset; + result.second_chroma_qp_index_offset = pic->second_chroma_qp_index_offset; + + result.num_slice_groups_minus1 = 0; + result.slice_group_map_type = 0; + + 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.slice_group_change_rate_minus1 = 0; + + memcpy(result.scaling_list_4x4, pic->scaling_lists_4x4, 6*64); + memcpy(result.scaling_list_8x8, pic->scaling_lists_8x8, 2*64); + + 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; + break; + + case PIPE_VIDEO_PROFILE_VC1_MAIN: + result.profile = RUVD_VC1_PROFILE_MAIN; + break; + + case PIPE_VIDEO_PROFILE_VC1_ADVANCED: + result.profile = RUVD_VC1_PROFILE_ADVANCED; + break; + default: + assert(0); + } + + if (pic->base.profile == PIPE_VIDEO_PROFILE_VC1_ADVANCED) { + result.level = 0; + + 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->psf << 1; + + result.pps_info_flags |= pic->panscan_flag << 7; + result.pps_info_flags |= pic->refdist_flag << 6; + result.pps_info_flags |= pic->extended_dmv << 8; + 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; + + } else { + result.level = 0; + result.pps_info_flags |= pic->multires << 21; + result.pps_info_flags |= pic->syncmarker << 20; + result.pps_info_flags |= pic->rangered << 19; + result.pps_info_flags |= pic->maxbframes << 16; + } + + result.sps_info_flags |= pic->finterpflag << 3; + //(((unsigned int)(pPicParams->advance.reserved1)) << SPS_INFO_VC1_RESERVED_SHIFT) + + 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->dquant << 1; + result.pps_info_flags |= pic->vstransform << 0; + result.pps_info_flags |= pic->overlap << 11; + result.pps_info_flags |= pic->quantizer << 9; + + +#if 0 +uint32_t slice_count +uint8_t picture_type +uint8_t frame_coding_mode +uint8_t deblockEnable +uint8_t pquant +#endif + + result.chroma_format = 1; + 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 = dec->frame_number - NUM_MPEG2_REFS; + uint32_t max = dec->frame_number - 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) +{ + 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; + memcpy(&result.intra_quantiser_matrix, pic->intra_matrix, 64); + memcpy(&result.nonintra_quantiser_matrix, pic->non_intra_matrix, 64); + + 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.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.quant_type = pic->quant_type; + + 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 |= complexity_estimation_disable << 6 + result.flags |= pic->resync_marker_disable << 7; + //result.flags |= data_partitioned << 8; + //result.flags |= reversible_vlc << 9; + //result.flags |= newpred_enable << 10; + //result.flags |= reduced_resolution_vop_enable << 11; + //result.flags |= scalability << 12; + //result.flags |= is_object_layer_identifier << 13; + //result.flags |= fixed_vop_rate << 14; + //result.flags |= newpred_segment_type << 15; + + memcpy(&result.intra_quant_mat, pic->intra_matrix, 64); + memcpy(&result.nonintra_quant_mat, pic->non_intra_matrix, 64); + + /* + 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_decoder *decoder) +{ + struct ruvd_decoder *dec = (struct ruvd_decoder*)decoder; + struct ruvd_msg msg; + unsigned i; + + assert(decoder); + + memset(&msg, 0, sizeof(msg)); + msg.size = sizeof(msg); + msg.msg_type = RUVD_MSG_DESTROY; + msg.stream_handle = dec->stream_handle; + send_msg(dec, &msg); + + flush(dec); + + dec->ws->cs_destroy(dec->cs); + + for (i = 0; i < NUM_BUFFERS; ++i) { + destroy_buffer(&dec->msg_fb_buffers[i]); + destroy_buffer(&dec->bs_buffers[i]); + } + + 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_decoder *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_decoder *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_decoder *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 ruvd_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 (!resize_buffer(dec, buf, new_size)) { + RUVD_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_decoder *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 ruvd_buffer *msg_fb_buf, *bs_buf; + struct ruvd_msg msg; + 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); + + memset(&msg, 0, sizeof(msg)); + msg.size = sizeof(msg); + msg.msg_type = RUVD_MSG_DECODE; + msg.stream_handle = dec->stream_handle; + msg.status_report_feedback_number = dec->frame_number; + + msg.decode.stream_type = profile2stream_type(dec->base.profile); + msg.decode.decode_flags = 0x1; + msg.decode.width_in_samples = dec->base.width; + msg.decode.height_in_samples = dec->base.height; + + msg.decode.dpb_size = dec->dpb.buf->size; + msg.decode.bsd_size = bs_size; + + dt = dec->set_dtb(&msg, (struct vl_video_buffer *)target); + + switch (u_reduce_video_profile(picture->profile)) { + case PIPE_VIDEO_CODEC_MPEG4_AVC: + msg.decode.h264 = get_h264_msg(dec, (struct pipe_h264_picture_desc*)picture); + break; + + case PIPE_VIDEO_CODEC_VC1: + msg.decode.vc1 = get_vc1_msg((struct pipe_vc1_picture_desc*)picture); + break; + + case PIPE_VIDEO_CODEC_MPEG12: + msg.decode.mpeg2 = get_mpeg2_msg(dec, (struct pipe_mpeg12_picture_desc*)picture); + break; + + case PIPE_VIDEO_CODEC_MPEG4: + msg.decode.mpeg4 = get_mpeg4_msg(dec, (struct pipe_mpeg4_picture_desc*)picture); + break; + + default: + assert(0); + return; + } + + msg.decode.db_surf_tile_config = msg.decode.dt_surf_tile_config; + msg.decode.extension_support = 0x1; + + send_msg(dec, &msg); + 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, + 0x1000, RADEON_USAGE_WRITE, RADEON_DOMAIN_VRAM); + 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_decoder *decoder) +{ +} + +/** + * create and UVD decoder + */ +struct pipe_video_decoder *ruvd_create_decoder(struct pipe_context *context, + enum pipe_video_profile profile, + enum pipe_video_entrypoint entrypoint, + enum pipe_video_chroma_format chroma_format, + unsigned width, unsigned height, + unsigned max_references, bool expect_chunked_decode, + struct radeon_winsys* ws, + ruvd_set_dtb set_dtb) +{ + unsigned dpb_size = calc_dpb_size(profile, width, height, max_references); + struct ruvd_decoder *dec; + struct ruvd_msg msg; + int i; + + switch(u_reduce_video_profile(profile)) { + case PIPE_VIDEO_CODEC_MPEG12: + if (entrypoint > PIPE_VIDEO_ENTRYPOINT_BITSTREAM) + return vl_create_mpeg12_decoder(context, profile, entrypoint, + chroma_format, width, + height, max_references, expect_chunked_decode); + + /* fall through */ + case PIPE_VIDEO_CODEC_MPEG4: + case PIPE_VIDEO_CODEC_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.context = context; + dec->base.profile = profile; + dec->base.entrypoint = entrypoint; + dec->base.chroma_format = chroma_format; + 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 = alloc_stream_handle(); + dec->ws = ws; + dec->cs = ws->cs_create(ws, RING_UVD); + if (!dec->cs) { + RUVD_ERR("Can't get command submission context.\n"); + goto error; + } + + for (i = 0; i < NUM_BUFFERS; ++i) { + unsigned msg_fb_size = align(sizeof(struct ruvd_msg), 0x1000) + 0x1000; + if (!create_buffer(dec, &dec->msg_fb_buffers[i], msg_fb_size)) { + RUVD_ERR("Can't allocated message buffers.\n"); + goto error; + } + + if (!create_buffer(dec, &dec->bs_buffers[i], 4096)) { + RUVD_ERR("Can't allocated bitstream buffers.\n"); + goto error; + } + + clear_buffer(dec, &dec->msg_fb_buffers[i]); + clear_buffer(dec, &dec->bs_buffers[i]); + } + + if (!create_buffer(dec, &dec->dpb, dpb_size)) { + RUVD_ERR("Can't allocated dpb.\n"); + goto error; + } + + clear_buffer(dec, &dec->dpb); + + memset(&msg, 0, sizeof(msg)); + msg.size = sizeof(msg); + msg.msg_type = RUVD_MSG_CREATE; + msg.stream_handle = dec->stream_handle; + msg.create.stream_type = profile2stream_type(dec->base.profile); + msg.create.width_in_samples = dec->base.width; + msg.create.height_in_samples = dec->base.height; + msg.create.dpb_size = dec->dpb.buf->size; + send_msg(dec, &msg); + 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) { + destroy_buffer(&dec->msg_fb_buffers[i]); + destroy_buffer(&dec->bs_buffers[i]); + } + + destroy_buffer(&dec->dpb); + + FREE(dec); + + return NULL; +} + +/** + * join surfaces into the same buffer with identical tiling params + * sumup their sizes and replace the backend buffers with a single bo + */ +void ruvd_join_surfaces(struct radeon_winsys* ws, unsigned bind, + struct pb_buffer** buffers[VL_NUM_COMPONENTS], + struct radeon_surface *surfaces[VL_NUM_COMPONENTS]) +{ + unsigned best_tiling, best_wh, off; + unsigned size, alignment; + struct pb_buffer *pb; + unsigned i, j; + + for (i = 0, best_tiling = 0, best_wh = ~0; i < VL_NUM_COMPONENTS; ++i) { + unsigned wh; + + if (!surfaces[i]) + continue; + + /* choose the smallest bank w/h for now */ + wh = surfaces[i]->bankw * surfaces[i]->bankh; + if (wh < best_wh) { + best_wh = wh; + best_tiling = i; + } + } + + for (i = 0, off = 0; i < VL_NUM_COMPONENTS; ++i) { + if (!surfaces[i]) + continue; + + /* copy the tiling parameters */ + surfaces[i]->bankw = surfaces[best_tiling]->bankw; + surfaces[i]->bankh = surfaces[best_tiling]->bankh; + surfaces[i]->mtilea = surfaces[best_tiling]->mtilea; + surfaces[i]->tile_split = surfaces[best_tiling]->tile_split; + + /* adjust the texture layer offsets */ + off = align(off, surfaces[i]->bo_alignment); + for (j = 0; j < Elements(surfaces[i]->level); ++j) + surfaces[i]->level[j].offset += off; + off += surfaces[i]->bo_size; + } + + for (i = 0, size = 0, alignment = 0; i < VL_NUM_COMPONENTS; ++i) { + if (!buffers[i] || !*buffers[i]) + continue; + + size = align(size, (*buffers[i])->alignment); + size += (*buffers[i])->size; + alignment = MAX2(alignment, (*buffers[i])->alignment * 1); + } + + if (!size) + return; + + /* TODO: 2D tiling workaround */ + alignment *= 2; + + pb = ws->buffer_create(ws, size, alignment, bind, RADEON_DOMAIN_VRAM); + if (!pb) + return; + + for (i = 0; i < VL_NUM_COMPONENTS; ++i) { + if (!buffers[i] || !*buffers[i]) + continue; + + pb_reference(buffers[i], pb); + } + + pb_reference(&pb, 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->decode.dt_pitch = luma->level[0].pitch_bytes; + switch (luma->level[0].mode) { + case RADEON_SURF_MODE_LINEAR_ALIGNED: + msg->decode.dt_tiling_mode = RUVD_TILE_LINEAR; + msg->decode.dt_array_mode = RUVD_ARRAY_MODE_LINEAR; + break; + case RADEON_SURF_MODE_1D: + msg->decode.dt_tiling_mode = RUVD_TILE_8X8; + msg->decode.dt_array_mode = RUVD_ARRAY_MODE_1D_THIN; + break; + case RADEON_SURF_MODE_2D: + msg->decode.dt_tiling_mode = RUVD_TILE_8X8; + msg->decode.dt_array_mode = RUVD_ARRAY_MODE_2D_THIN; + break; + default: + assert(0); + break; + } + + msg->decode.dt_luma_top_offset = texture_offset(luma, 0); + msg->decode.dt_chroma_top_offset = texture_offset(chroma, 0); + if (msg->decode.dt_field_mode) { + msg->decode.dt_luma_bottom_offset = texture_offset(luma, 1); + msg->decode.dt_chroma_bottom_offset = texture_offset(chroma, 1); + } else { + msg->decode.dt_luma_bottom_offset = msg->decode.dt_luma_top_offset; + msg->decode.dt_chroma_bottom_offset = msg->decode.dt_chroma_top_offset; + } + + assert(luma->bankw == chroma->bankw); + assert(luma->bankh == chroma->bankh); + assert(luma->mtilea == chroma->mtilea); + + msg->decode.dt_surf_tile_config |= RUVD_BANK_WIDTH(bank_wh(luma->bankw)); + msg->decode.dt_surf_tile_config |= RUVD_BANK_HEIGHT(bank_wh(luma->bankh)); + msg->decode.dt_surf_tile_config |= RUVD_MACRO_TILE_ASPECT_RATIO(macro_tile_aspect(luma->mtilea)); +} + +int ruvd_get_video_param(struct pipe_screen *screen, + enum pipe_video_profile profile, + enum pipe_video_cap param) +{ + switch (param) { + case PIPE_VIDEO_CAP_SUPPORTED: + switch (u_reduce_video_profile(profile)) { + case PIPE_VIDEO_CODEC_MPEG12: + case PIPE_VIDEO_CODEC_MPEG4: + /* TODO not all hw families support MPEG4 */ + case PIPE_VIDEO_CODEC_MPEG4_AVC: + case PIPE_VIDEO_CODEC_VC1: + return true; + default: + return false; + } + case PIPE_VIDEO_CAP_NPOT_TEXTURES: + return 1; + case PIPE_VIDEO_CAP_MAX_WIDTH: + return 2048; + case PIPE_VIDEO_CAP_MAX_HEIGHT: + return 1152; + case PIPE_VIDEO_CAP_PREFERED_FORMAT: + return PIPE_FORMAT_NV12; + case PIPE_VIDEO_CAP_PREFERS_INTERLACED: + return false; + case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED: + return false; /* TODO: enable this */ + case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE: + return true; + default: + return 0; + } +} + +boolean ruvd_is_format_supported(struct pipe_screen *screen, + enum pipe_format format, + enum pipe_video_profile profile) +{ + /* we can only handle this one anyway */ + return format == PIPE_FORMAT_NV12; +} |