#include "vl/vl_video_buffer.h"
-#include "r600_pipe_common.h"
+#include "radeonsi/si_pipe.h"
#include "radeon_video.h"
#include "radeon_vcn_enc.h"
-static void radeon_vcn_enc_get_param(struct radeon_encoder *enc, struct pipe_h264_enc_picture_desc *pic)
+static const unsigned index_to_shifts[4] = {24, 16, 8, 0};
+
+static void radeon_vcn_enc_get_param(struct radeon_encoder *enc, struct pipe_picture_desc *picture)
{
- enc->enc_pic.picture_type = pic->picture_type;
- enc->enc_pic.frame_num = pic->frame_num;
- enc->enc_pic.pic_order_cnt = pic->pic_order_cnt;
- enc->enc_pic.pic_order_cnt_type = pic->pic_order_cnt_type;
- enc->enc_pic.ref_idx_l0 = pic->ref_idx_l0;
- enc->enc_pic.ref_idx_l1 = pic->ref_idx_l1;
- enc->enc_pic.not_referenced = pic->not_referenced;
- enc->enc_pic.is_idr = pic->is_idr;
- enc->enc_pic.crop_left = 0;
- enc->enc_pic.crop_right = (align(enc->base.width, 16) - enc->base.width) / 2;
- enc->enc_pic.crop_top = 0;
- enc->enc_pic.crop_bottom = (align(enc->base.height, 16) - enc->base.height) / 2;
+ if (u_reduce_video_profile(picture->profile) == PIPE_VIDEO_FORMAT_MPEG4_AVC) {
+ struct pipe_h264_enc_picture_desc *pic = (struct pipe_h264_enc_picture_desc *)picture;
+ enc->enc_pic.picture_type = pic->picture_type;
+ enc->enc_pic.frame_num = pic->frame_num;
+ enc->enc_pic.pic_order_cnt = pic->pic_order_cnt;
+ enc->enc_pic.pic_order_cnt_type = pic->pic_order_cnt_type;
+ enc->enc_pic.ref_idx_l0 = pic->ref_idx_l0;
+ enc->enc_pic.ref_idx_l1 = pic->ref_idx_l1;
+ enc->enc_pic.not_referenced = pic->not_referenced;
+ enc->enc_pic.is_idr = (pic->picture_type == PIPE_H264_ENC_PICTURE_TYPE_IDR);
+ enc->enc_pic.crop_left = 0;
+ enc->enc_pic.crop_right = (align(enc->base.width, 16) - enc->base.width) / 2;
+ enc->enc_pic.crop_top = 0;
+ enc->enc_pic.crop_bottom = (align(enc->base.height, 16) - enc->base.height) / 2;
+ enc->enc_pic.rc_layer_init.target_bit_rate = pic->rate_ctrl.target_bitrate;
+ enc->enc_pic.rc_layer_init.peak_bit_rate = pic->rate_ctrl.peak_bitrate;
+ enc->enc_pic.rc_layer_init.frame_rate_num = pic->rate_ctrl.frame_rate_num;
+ enc->enc_pic.rc_layer_init.frame_rate_den = pic->rate_ctrl.frame_rate_den;
+ enc->enc_pic.rc_layer_init.vbv_buffer_size = pic->rate_ctrl.vbv_buffer_size;
+ enc->enc_pic.rc_layer_init.avg_target_bits_per_picture = pic->rate_ctrl.target_bits_picture;
+ enc->enc_pic.rc_layer_init.peak_bits_per_picture_integer = pic->rate_ctrl.peak_bits_picture_integer;
+ enc->enc_pic.rc_layer_init.peak_bits_per_picture_fractional = pic->rate_ctrl.peak_bits_picture_fraction;
+ enc->enc_pic.rc_session_init.vbv_buffer_level = pic->rate_ctrl.vbv_buf_lv;
+ enc->enc_pic.rc_per_pic.qp = pic->quant_i_frames;
+ enc->enc_pic.rc_per_pic.min_qp_app = 0;
+ enc->enc_pic.rc_per_pic.max_qp_app = 51;
+ enc->enc_pic.rc_per_pic.max_au_size = 0;
+ enc->enc_pic.rc_per_pic.enabled_filler_data = pic->rate_ctrl.fill_data_enable;
+ enc->enc_pic.rc_per_pic.skip_frame_enable = false;
+ enc->enc_pic.rc_per_pic.enforce_hrd = pic->rate_ctrl.enforce_hrd;
+ switch(pic->rate_ctrl.rate_ctrl_method) {
+ case PIPE_H264_ENC_RATE_CONTROL_METHOD_DISABLE:
+ enc->enc_pic.rc_session_init.rate_control_method = RENCODE_RATE_CONTROL_METHOD_NONE;
+ break;
+ case PIPE_H264_ENC_RATE_CONTROL_METHOD_CONSTANT_SKIP:
+ case PIPE_H264_ENC_RATE_CONTROL_METHOD_CONSTANT:
+ enc->enc_pic.rc_session_init.rate_control_method = RENCODE_RATE_CONTROL_METHOD_CBR;
+ break;
+ case PIPE_H264_ENC_RATE_CONTROL_METHOD_VARIABLE_SKIP:
+ case PIPE_H264_ENC_RATE_CONTROL_METHOD_VARIABLE:
+ enc->enc_pic.rc_session_init.rate_control_method = RENCODE_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR;
+ break;
+ default:
+ enc->enc_pic.rc_session_init.rate_control_method = RENCODE_RATE_CONTROL_METHOD_NONE;
+ }
+ } else if (u_reduce_video_profile(picture->profile) == PIPE_VIDEO_FORMAT_HEVC) {
+ struct pipe_h265_enc_picture_desc *pic = (struct pipe_h265_enc_picture_desc *)picture;
+ enc->enc_pic.picture_type = pic->picture_type;
+ enc->enc_pic.frame_num = pic->frame_num;
+ enc->enc_pic.pic_order_cnt = pic->pic_order_cnt;
+ enc->enc_pic.pic_order_cnt_type = pic->pic_order_cnt_type;
+ enc->enc_pic.ref_idx_l0 = pic->ref_idx_l0;
+ enc->enc_pic.ref_idx_l1 = pic->ref_idx_l1;
+ enc->enc_pic.not_referenced = pic->not_referenced;
+ enc->enc_pic.is_idr = (pic->picture_type == PIPE_H265_ENC_PICTURE_TYPE_IDR) ||
+ (pic->picture_type == PIPE_H265_ENC_PICTURE_TYPE_I);
+ enc->enc_pic.crop_left = 0;
+ enc->enc_pic.crop_right = (align(enc->base.width, 16) - enc->base.width) / 2;
+ enc->enc_pic.crop_top = 0;
+ enc->enc_pic.crop_bottom = (align(enc->base.height, 16) - enc->base.height) / 2;
+ enc->enc_pic.general_tier_flag = pic->seq.general_tier_flag;
+ enc->enc_pic.general_profile_idc = pic->seq.general_profile_idc;
+ enc->enc_pic.general_level_idc = pic->seq.general_level_idc;
+ enc->enc_pic.max_poc =
+ MAX2(16, util_next_power_of_two(pic->seq.intra_period));
+ enc->enc_pic.log2_max_poc = 0;
+ for (int i = enc->enc_pic.max_poc; i != 0; enc->enc_pic.log2_max_poc++)
+ i = (i >> 1);
+ enc->enc_pic.chroma_format_idc = pic->seq.chroma_format_idc;
+ enc->enc_pic.pic_width_in_luma_samples = pic->seq.pic_width_in_luma_samples;
+ enc->enc_pic.pic_height_in_luma_samples = pic->seq.pic_height_in_luma_samples;
+ enc->enc_pic.log2_diff_max_min_luma_coding_block_size = pic->seq.log2_diff_max_min_luma_coding_block_size;
+ enc->enc_pic.log2_min_transform_block_size_minus2 = pic->seq.log2_min_transform_block_size_minus2;
+ enc->enc_pic.log2_diff_max_min_transform_block_size = pic->seq.log2_diff_max_min_transform_block_size;
+ enc->enc_pic.max_transform_hierarchy_depth_inter = pic->seq.max_transform_hierarchy_depth_inter;
+ enc->enc_pic.max_transform_hierarchy_depth_intra = pic->seq.max_transform_hierarchy_depth_intra;
+ enc->enc_pic.log2_parallel_merge_level_minus2 = pic->pic.log2_parallel_merge_level_minus2;
+ enc->enc_pic.bit_depth_luma_minus8 = pic->seq.bit_depth_luma_minus8;
+ enc->enc_pic.bit_depth_chroma_minus8 = pic->seq.bit_depth_chroma_minus8;
+ enc->enc_pic.nal_unit_type = pic->pic.nal_unit_type;
+ enc->enc_pic.max_num_merge_cand = pic->slice.max_num_merge_cand;
+ enc->enc_pic.sample_adaptive_offset_enabled_flag = pic->seq.sample_adaptive_offset_enabled_flag;
+ enc->enc_pic.pcm_enabled_flag = pic->seq.pcm_enabled_flag;
+ enc->enc_pic.sps_temporal_mvp_enabled_flag = pic->seq.sps_temporal_mvp_enabled_flag;
+ enc->enc_pic.hevc_deblock.loop_filter_across_slices_enabled = pic->slice.slice_loop_filter_across_slices_enabled_flag;
+ enc->enc_pic.hevc_deblock.deblocking_filter_disabled = pic->slice.slice_deblocking_filter_disabled_flag;
+ enc->enc_pic.hevc_deblock.beta_offset_div2 = pic->slice.slice_beta_offset_div2;
+ enc->enc_pic.hevc_deblock.tc_offset_div2 = pic->slice.slice_tc_offset_div2;
+ enc->enc_pic.hevc_deblock.cb_qp_offset = pic->slice.slice_cb_qp_offset;
+ enc->enc_pic.hevc_deblock.cr_qp_offset = pic->slice.slice_cr_qp_offset;
+ enc->enc_pic.hevc_spec_misc.log2_min_luma_coding_block_size_minus3 = pic->seq.log2_min_luma_coding_block_size_minus3;
+ enc->enc_pic.hevc_spec_misc.amp_disabled = !pic->seq.amp_enabled_flag;
+ enc->enc_pic.hevc_spec_misc.strong_intra_smoothing_enabled = pic->seq.strong_intra_smoothing_enabled_flag;
+ enc->enc_pic.hevc_spec_misc.constrained_intra_pred_flag = pic->pic.constrained_intra_pred_flag;
+ enc->enc_pic.hevc_spec_misc.cabac_init_flag = pic->slice.cabac_init_flag;
+ enc->enc_pic.hevc_spec_misc.half_pel_enabled = 1;
+ enc->enc_pic.hevc_spec_misc.quarter_pel_enabled = 1;
+ enc->enc_pic.rc_layer_init.target_bit_rate = pic->rc.target_bitrate;
+ enc->enc_pic.rc_layer_init.peak_bit_rate = pic->rc.peak_bitrate;
+ enc->enc_pic.rc_layer_init.frame_rate_num = pic->rc.frame_rate_num;
+ enc->enc_pic.rc_layer_init.frame_rate_den = pic->rc.frame_rate_den;
+ enc->enc_pic.rc_layer_init.vbv_buffer_size = pic->rc.vbv_buffer_size;
+ enc->enc_pic.rc_layer_init.avg_target_bits_per_picture = pic->rc.target_bits_picture;
+ enc->enc_pic.rc_layer_init.peak_bits_per_picture_integer = pic->rc.peak_bits_picture_integer;
+ enc->enc_pic.rc_layer_init.peak_bits_per_picture_fractional = pic->rc.peak_bits_picture_fraction;
+ enc->enc_pic.rc_session_init.vbv_buffer_level = pic->rc.vbv_buf_lv;
+ enc->enc_pic.rc_per_pic.qp = pic->rc.quant_i_frames;
+ enc->enc_pic.rc_per_pic.min_qp_app = 0;
+ enc->enc_pic.rc_per_pic.max_qp_app = 51;
+ enc->enc_pic.rc_per_pic.max_au_size = 0;
+ enc->enc_pic.rc_per_pic.enabled_filler_data = pic->rc.fill_data_enable;
+ enc->enc_pic.rc_per_pic.skip_frame_enable = false;
+ enc->enc_pic.rc_per_pic.enforce_hrd = pic->rc.enforce_hrd;
+ switch(pic->rc.rate_ctrl_method) {
+ case PIPE_H265_ENC_RATE_CONTROL_METHOD_DISABLE:
+ enc->enc_pic.rc_session_init.rate_control_method = RENCODE_RATE_CONTROL_METHOD_NONE;
+ break;
+ case PIPE_H265_ENC_RATE_CONTROL_METHOD_CONSTANT_SKIP:
+ case PIPE_H265_ENC_RATE_CONTROL_METHOD_CONSTANT:
+ enc->enc_pic.rc_session_init.rate_control_method = RENCODE_RATE_CONTROL_METHOD_CBR;
+ break;
+ case PIPE_H265_ENC_RATE_CONTROL_METHOD_VARIABLE_SKIP:
+ case PIPE_H265_ENC_RATE_CONTROL_METHOD_VARIABLE:
+ enc->enc_pic.rc_session_init.rate_control_method = RENCODE_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR;
+ break;
+ default:
+ enc->enc_pic.rc_session_init.rate_control_method = RENCODE_RATE_CONTROL_METHOD_NONE;
+ }
+ }
}
static void flush(struct radeon_encoder *enc)
{
- enc->ws->cs_flush(enc->cs, RADEON_FLUSH_ASYNC, NULL);
+ enc->ws->cs_flush(enc->cs, PIPE_FLUSH_ASYNC, NULL);
}
static void radeon_enc_flush(struct pipe_video_codec *encoder)
{
struct radeon_encoder *enc = (struct radeon_encoder*)encoder;
struct vl_video_buffer *vid_buf = (struct vl_video_buffer *)source;
- struct pipe_h264_enc_picture_desc *pic = (struct pipe_h264_enc_picture_desc *)picture;
- radeon_vcn_enc_get_param(enc, pic);
+ radeon_vcn_enc_get_param(enc, picture);
enc->get_buffer(vid_buf->resources[0], &enc->handle, &enc->luma);
enc->get_buffer(vid_buf->resources[1], NULL, &enc->chroma);
si_vid_create_buffer(enc->screen, enc->si, 128 * 1024, PIPE_USAGE_STAGING);
si_vid_create_buffer(enc->screen, &fb, 4096, PIPE_USAGE_STAGING);
enc->fb = &fb;
- enc->begin(enc, pic);
+ enc->begin(enc);
flush(enc);
si_vid_destroy_buffer(&fb);
}
struct pipe_resource *destination,
void **fb)
{
- /* TODO*/
+ struct radeon_encoder *enc = (struct radeon_encoder*)encoder;
+ enc->get_buffer(destination, &enc->bs_handle, NULL);
+ enc->bs_size = destination->width0;
+
+ *fb = enc->fb = CALLOC_STRUCT(rvid_buffer);
+
+ if (!si_vid_create_buffer(enc->screen, enc->fb, 4096, PIPE_USAGE_STAGING)) {
+ RVID_ERR("Can't create feedback buffer.\n");
+ return;
+ }
+
+ enc->need_feedback = true;
+ enc->encode(enc);
}
static void radeon_enc_end_frame(struct pipe_video_codec *encoder,
struct pipe_video_buffer *source,
struct pipe_picture_desc *picture)
{
- /* TODO*/
+ struct radeon_encoder *enc = (struct radeon_encoder*)encoder;
+ flush(enc);
}
static void radeon_enc_destroy(struct pipe_video_codec *encoder)
{
- /* TODO*/
+ struct radeon_encoder *enc = (struct radeon_encoder*)encoder;
+
+ if (enc->stream_handle) {
+ struct rvid_buffer fb;
+ enc->need_feedback = false;
+ si_vid_create_buffer(enc->screen, &fb, 512, PIPE_USAGE_STAGING);
+ enc->fb = &fb;
+ enc->destroy(enc);
+ flush(enc);
+ si_vid_destroy_buffer(&fb);
+ }
+
+ si_vid_destroy_buffer(&enc->cpb);
+ enc->ws->cs_destroy(enc->cs);
+ FREE(enc);
}
static void radeon_enc_get_feedback(struct pipe_video_codec *encoder,
void *feedback, unsigned *size)
{
- /* TODO*/
+ struct radeon_encoder *enc = (struct radeon_encoder*)encoder;
+ struct rvid_buffer *fb = feedback;
+
+ if (size) {
+ uint32_t *ptr = enc->ws->buffer_map(
+ fb->res->buf, enc->cs,
+ PIPE_TRANSFER_READ_WRITE | RADEON_TRANSFER_TEMPORARY);
+ if (ptr[1])
+ *size = ptr[6];
+ else
+ *size = 0;
+ enc->ws->buffer_unmap(fb->res->buf);
+ }
+
+ si_vid_destroy_buffer(fb);
+ FREE(fb);
}
struct pipe_video_codec *radeon_create_encoder(struct pipe_context *context,
struct radeon_winsys* ws,
radeon_enc_get_buffer get_buffer)
{
- /* TODO*/
+ struct si_screen *sscreen = (struct si_screen *)context->screen;
+ struct si_context *sctx = (struct si_context*)context;
+ struct radeon_encoder *enc;
+ struct pipe_video_buffer *tmp_buf, templat = {};
+ struct radeon_surf *tmp_surf;
+ unsigned cpb_size;
+
+ enc = CALLOC_STRUCT(radeon_encoder);
+
+ if (!enc)
+ return NULL;
+
+ enc->alignment = 256;
+ enc->base = *templ;
+ enc->base.context = context;
+ enc->base.destroy = radeon_enc_destroy;
+ enc->base.begin_frame = radeon_enc_begin_frame;
+ enc->base.encode_bitstream = radeon_enc_encode_bitstream;
+ enc->base.end_frame = radeon_enc_end_frame;
+ enc->base.flush = radeon_enc_flush;
+ enc->base.get_feedback = radeon_enc_get_feedback;
+ enc->get_buffer = get_buffer;
+ enc->bits_in_shifter = 0;
+ enc->screen = context->screen;
+ enc->ws = ws;
+ enc->cs = ws->cs_create(sctx->ctx, RING_VCN_ENC, radeon_enc_cs_flush,
+ enc, false);
+
+ if (!enc->cs) {
+ RVID_ERR("Can't get command submission context.\n");
+ goto error;
+ }
+
+ struct rvid_buffer si;
+ si_vid_create_buffer(enc->screen, &si, 128 * 1024, PIPE_USAGE_STAGING);
+ enc->si = &si;
+
+ templat.buffer_format = PIPE_FORMAT_NV12;
+ templat.chroma_format = PIPE_VIDEO_CHROMA_FORMAT_420;
+ templat.width = enc->base.width;
+ templat.height = enc->base.height;
+ templat.interlaced = false;
+
+ if (!(tmp_buf = context->create_video_buffer(context, &templat))) {
+ RVID_ERR("Can't create video buffer.\n");
+ goto error;
+ }
+
+ enc->cpb_num = get_cpb_num(enc);
+
+ if (!enc->cpb_num)
+ goto error;
+
+ get_buffer(((struct vl_video_buffer *)tmp_buf)->resources[0], NULL, &tmp_surf);
+
+ cpb_size = (sscreen->info.chip_class < GFX9) ?
+ align(tmp_surf->u.legacy.level[0].nblk_x * tmp_surf->bpe, 128) *
+ align(tmp_surf->u.legacy.level[0].nblk_y, 32) :
+ align(tmp_surf->u.gfx9.surf_pitch * tmp_surf->bpe, 256) *
+ align(tmp_surf->u.gfx9.surf_height, 32);
+
+ cpb_size = cpb_size * 3 / 2;
+ cpb_size = cpb_size * enc->cpb_num;
+ tmp_buf->destroy(tmp_buf);
+
+ if (!si_vid_create_buffer(enc->screen, &enc->cpb, cpb_size, PIPE_USAGE_DEFAULT)) {
+ RVID_ERR("Can't create CPB buffer.\n");
+ goto error;
+ }
+
+ if (sscreen->info.family <= CHIP_RAVEN)
+ radeon_enc_1_2_init(enc);
+ else
+ radeon_enc_2_0_init(enc);
+
+ return &enc->base;
+
+error:
+ if (enc->cs)
+ enc->ws->cs_destroy(enc->cs);
+
+ si_vid_destroy_buffer(&enc->cpb);
+
+ FREE(enc);
+ return NULL;
+}
+
+void radeon_enc_add_buffer(struct radeon_encoder *enc, struct pb_buffer *buf,
+ enum radeon_bo_usage usage, enum radeon_bo_domain domain,
+ signed offset)
+{
+ enc->ws->cs_add_buffer(enc->cs, buf, usage | RADEON_USAGE_SYNCHRONIZED,
+ domain, 0);
+ uint64_t addr;
+ addr = enc->ws->buffer_get_virtual_address(buf);
+ addr = addr + offset;
+ RADEON_ENC_CS(addr >> 32);
+ RADEON_ENC_CS(addr);
+}
+
+void radeon_enc_set_emulation_prevention(struct radeon_encoder *enc, bool set)
+{
+ if (set != enc->emulation_prevention) {
+ enc->emulation_prevention = set;
+ enc->num_zeros = 0;
+ }
+}
+
+void radeon_enc_output_one_byte(struct radeon_encoder *enc, unsigned char byte)
+{
+ if (enc->byte_index == 0)
+ enc->cs->current.buf[enc->cs->current.cdw] = 0;
+ enc->cs->current.buf[enc->cs->current.cdw] |= ((unsigned int)(byte) << index_to_shifts[enc->byte_index]);
+ enc->byte_index++;
+
+ if (enc->byte_index >= 4) {
+ enc->byte_index = 0;
+ enc->cs->current.cdw++;
+ }
+}
+
+void radeon_enc_emulation_prevention(struct radeon_encoder *enc, unsigned char byte)
+{
+ if(enc->emulation_prevention) {
+ if((enc->num_zeros >= 2) && ((byte == 0x00) || (byte == 0x01) || (byte == 0x03))) {
+ radeon_enc_output_one_byte(enc, 0x03);
+ enc->bits_output += 8;
+ enc->num_zeros = 0;
+ }
+ enc->num_zeros = (byte == 0 ? (enc->num_zeros + 1) : 0);
+ }
+}
+
+void radeon_enc_code_fixed_bits(struct radeon_encoder *enc, unsigned int value, unsigned int num_bits)
+{
+ unsigned int bits_to_pack = 0;
+
+ while(num_bits > 0) {
+ unsigned int value_to_pack = value & (0xffffffff >> (32 - num_bits));
+ bits_to_pack = num_bits > (32 - enc->bits_in_shifter) ? (32 - enc->bits_in_shifter) : num_bits;
+
+ if (bits_to_pack < num_bits)
+ value_to_pack = value_to_pack >> (num_bits - bits_to_pack);
+
+ enc->shifter |= value_to_pack << (32 - enc->bits_in_shifter - bits_to_pack);
+ num_bits -= bits_to_pack;
+ enc->bits_in_shifter += bits_to_pack;
+
+ while(enc->bits_in_shifter >= 8) {
+ unsigned char output_byte = (unsigned char)(enc->shifter >> 24);
+ enc->shifter <<= 8;
+ radeon_enc_emulation_prevention(enc, output_byte);
+ radeon_enc_output_one_byte(enc, output_byte);
+ enc->bits_in_shifter -= 8;
+ enc->bits_output += 8;
+ }
+ }
+}
+
+void radeon_enc_reset(struct radeon_encoder *enc)
+{
+ enc->emulation_prevention = false;
+ enc->shifter = 0;
+ enc->bits_in_shifter = 0;
+ enc->bits_output = 0;
+ enc->num_zeros = 0;
+ enc->byte_index = 0;
+}
+
+void radeon_enc_byte_align(struct radeon_encoder *enc)
+{
+ unsigned int num_padding_zeros = (32 - enc->bits_in_shifter) % 8;
+
+ if (num_padding_zeros > 0)
+ radeon_enc_code_fixed_bits(enc, 0, num_padding_zeros);
+}
+
+void radeon_enc_flush_headers(struct radeon_encoder *enc)
+{
+ if (enc->bits_in_shifter != 0) {
+ unsigned char output_byte = (unsigned char)(enc->shifter >> 24);
+ radeon_enc_emulation_prevention(enc, output_byte);
+ radeon_enc_output_one_byte(enc, output_byte);
+ enc->bits_output += enc->bits_in_shifter;
+ enc->shifter = 0;
+ enc->bits_in_shifter = 0;
+ enc->num_zeros = 0;
+ }
+
+ if (enc->byte_index > 0) {
+ enc->cs->current.cdw++;
+ enc->byte_index = 0;
+ }
+}
+
+void radeon_enc_code_ue(struct radeon_encoder *enc, unsigned int value)
+{
+ int x = -1;
+ unsigned int ue_code = value + 1;
+ value += 1;
+
+ while (value) {
+ value = (value >> 1);
+ x += 1;
+ }
+
+ unsigned int ue_length = (x << 1) + 1;
+ radeon_enc_code_fixed_bits(enc, ue_code, ue_length);
+}
+
+void radeon_enc_code_se(struct radeon_encoder *enc, int value)
+{
+ unsigned int v = 0;
+
+ if (value != 0)
+ v = (value < 0 ? ((unsigned int)(0 - value) << 1) : (((unsigned int)(value) << 1) - 1));
+
+ radeon_enc_code_ue(enc, v);
}
projects / mesa.git / blobdiff