[Mesa-dev] [PATCH 05/12] radeon/vcn: add header implementations for HEVC
boyuan.zhang at amd.com
boyuan.zhang at amd.com
Thu Jan 25 22:46:43 UTC 2018
From: Boyuan Zhang <boyuan.zhang at amd.com>
Implement encoding of sps, pps, vps, aud, and slice headers for HEVC
based on HEVC specs.
Signed-off-by: Boyuan Zhang <boyuan.zhang at amd.com>
---
src/gallium/drivers/radeon/radeon_vcn_enc_1_2.c | 348 +++++++++++++++++++++++-
1 file changed, 347 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/radeon/radeon_vcn_enc_1_2.c b/src/gallium/drivers/radeon/radeon_vcn_enc_1_2.c
index a651f7e..74c4a08 100644
--- a/src/gallium/drivers/radeon/radeon_vcn_enc_1_2.c
+++ b/src/gallium/drivers/radeon/radeon_vcn_enc_1_2.c
@@ -551,6 +551,86 @@ static void radeon_enc_nalu_sps(struct radeon_encoder *enc)
RADEON_ENC_END();
}
+static void radeon_enc_nalu_sps_hevc(struct radeon_encoder *enc)
+{
+ RADEON_ENC_BEGIN(RENCODE_IB_PARAM_DIRECT_OUTPUT_NALU);
+ RADEON_ENC_CS(RENCODE_DIRECT_OUTPUT_NALU_TYPE_SPS);
+ uint32_t *size_in_bytes = &enc->cs->current.buf[enc->cs->current.cdw++];
+ int i;
+
+ radeon_enc_reset(enc);
+ radeon_enc_set_emulation_prevention(enc, false);
+ radeon_enc_code_fixed_bits(enc, 0x00000001, 32);
+ radeon_enc_code_fixed_bits(enc, 0x4201, 16);
+ radeon_enc_byte_align(enc);
+ radeon_enc_set_emulation_prevention(enc, true);
+ radeon_enc_code_fixed_bits(enc, 0x0, 4);
+ radeon_enc_code_fixed_bits(enc, enc->enc_pic.layer_ctrl.max_num_temporal_layers - 1, 3);
+ radeon_enc_code_fixed_bits(enc, 0x1, 1);
+ radeon_enc_code_fixed_bits(enc, 0x0, 2);
+ radeon_enc_code_fixed_bits(enc, enc->enc_pic.general_tier_flag, 1);
+ radeon_enc_code_fixed_bits(enc, enc->enc_pic.general_profile_idc, 5);
+ radeon_enc_code_fixed_bits(enc, 0x60000000, 32);
+ radeon_enc_code_fixed_bits(enc, 0xb0000000, 32);
+ radeon_enc_code_fixed_bits(enc, 0x0, 16);
+ radeon_enc_code_fixed_bits(enc, enc->enc_pic.general_level_idc, 8);
+
+ for (i = 0; i < (enc->enc_pic.layer_ctrl.max_num_temporal_layers - 1) ; i++)
+ radeon_enc_code_fixed_bits(enc, 0x0, 2);
+
+ if ((enc->enc_pic.layer_ctrl.max_num_temporal_layers - 1) > 0) {
+ for (i = (enc->enc_pic.layer_ctrl.max_num_temporal_layers - 1); i < 8; i++)
+ radeon_enc_code_fixed_bits(enc, 0x0, 2);
+ }
+
+ radeon_enc_code_ue(enc, 0x0);
+ radeon_enc_code_ue(enc, enc->enc_pic.chroma_format_idc);
+ radeon_enc_code_ue(enc, enc->enc_pic.pic_width_in_luma_samples);
+ radeon_enc_code_ue(enc, enc->enc_pic.pic_height_in_luma_samples);
+ radeon_enc_code_fixed_bits(enc, 0x0, 1);
+ radeon_enc_code_ue(enc, enc->enc_pic.bit_depth_luma_minus8);
+ radeon_enc_code_ue(enc, enc->enc_pic.bit_depth_chroma_minus8);
+ radeon_enc_code_ue(enc, enc->enc_pic.log2_max_poc - 4);
+ radeon_enc_code_fixed_bits(enc, 0x0, 1);
+ radeon_enc_code_ue(enc, 1);
+ radeon_enc_code_ue(enc, 0x0);
+ radeon_enc_code_ue(enc, 0x0);
+ radeon_enc_code_ue(enc, enc->enc_pic.hevc_spec_misc.log2_min_luma_coding_block_size_minus3);
+ //Only support CTBSize 64
+ radeon_enc_code_ue(enc, 6 - (enc->enc_pic.hevc_spec_misc.log2_min_luma_coding_block_size_minus3 + 3));
+ radeon_enc_code_ue(enc, enc->enc_pic.log2_min_transform_block_size_minus2);
+ radeon_enc_code_ue(enc, enc->enc_pic.log2_diff_max_min_transform_block_size);
+ radeon_enc_code_ue(enc, enc->enc_pic.max_transform_hierarchy_depth_inter);
+ radeon_enc_code_ue(enc, enc->enc_pic.max_transform_hierarchy_depth_intra);
+
+ radeon_enc_code_fixed_bits(enc, 0x0, 1);
+ radeon_enc_code_fixed_bits(enc, !enc->enc_pic.hevc_spec_misc.amp_disabled, 1);
+ radeon_enc_code_fixed_bits(enc, enc->enc_pic.sample_adaptive_offset_enabled_flag, 1);
+ radeon_enc_code_fixed_bits(enc, enc->enc_pic.pcm_enabled_flag, 1);
+
+ radeon_enc_code_ue(enc, 1);
+ radeon_enc_code_ue(enc, 1);
+ radeon_enc_code_ue(enc, 0);
+ radeon_enc_code_ue(enc, 0);
+ radeon_enc_code_fixed_bits(enc, 0x1, 1);
+
+ radeon_enc_code_fixed_bits(enc, 0x0, 1);
+
+ radeon_enc_code_fixed_bits(enc, 0, 1);
+ radeon_enc_code_fixed_bits(enc, enc->enc_pic.hevc_spec_misc.strong_intra_smoothing_enabled, 1);
+
+ radeon_enc_code_fixed_bits(enc, 0x0, 1);
+
+ radeon_enc_code_fixed_bits(enc, 0x0, 1);
+
+ radeon_enc_code_fixed_bits(enc, 0x1, 1);
+
+ radeon_enc_byte_align(enc);
+ radeon_enc_flush_headers(enc);
+ *size_in_bytes = (enc->bits_output + 7) / 8;
+ RADEON_ENC_END();
+}
+
static void radeon_enc_nalu_pps(struct radeon_encoder *enc)
{
RADEON_ENC_BEGIN(RENCODE_IB_PARAM_DIRECT_OUTPUT_NALU);
@@ -586,6 +666,150 @@ static void radeon_enc_nalu_pps(struct radeon_encoder *enc)
RADEON_ENC_END();
}
+static void radeon_enc_nalu_pps_hevc(struct radeon_encoder *enc)
+{
+ RADEON_ENC_BEGIN(RENCODE_IB_PARAM_DIRECT_OUTPUT_NALU);
+ RADEON_ENC_CS(RENCODE_DIRECT_OUTPUT_NALU_TYPE_PPS);
+ uint32_t *size_in_bytes = &enc->cs->current.buf[enc->cs->current.cdw++];
+ radeon_enc_reset(enc);
+ radeon_enc_set_emulation_prevention(enc, false);
+ radeon_enc_code_fixed_bits(enc, 0x00000001, 32);
+ radeon_enc_code_fixed_bits(enc, 0x4401, 16);
+ radeon_enc_byte_align(enc);
+ radeon_enc_set_emulation_prevention(enc, true);
+ radeon_enc_code_ue(enc, 0x0);
+ radeon_enc_code_ue(enc, 0x0);
+ radeon_enc_code_fixed_bits(enc, 0x1, 1);
+ radeon_enc_code_fixed_bits(enc, 0x0, 4);
+ radeon_enc_code_fixed_bits(enc, 0x0, 1);
+ radeon_enc_code_fixed_bits(enc, 0x1, 1);
+ radeon_enc_code_ue(enc, 0x0);
+ radeon_enc_code_ue(enc, 0x0);
+ radeon_enc_code_se(enc, 0x0);
+ radeon_enc_code_fixed_bits(enc, enc->enc_pic.hevc_spec_misc.constrained_intra_pred_flag, 1);
+ radeon_enc_code_fixed_bits(enc, 0x0, 1);
+ radeon_enc_code_fixed_bits(enc, 0x0, 1);
+ radeon_enc_code_se(enc, enc->enc_pic.hevc_deblock.cb_qp_offset);
+ radeon_enc_code_se(enc, enc->enc_pic.hevc_deblock.cr_qp_offset);
+ radeon_enc_code_fixed_bits(enc, 0x0, 1);
+ radeon_enc_code_fixed_bits(enc, 0x0, 2);
+ radeon_enc_code_fixed_bits(enc, 0x0, 1);
+ radeon_enc_code_fixed_bits(enc, 0x0, 1);
+ radeon_enc_code_fixed_bits(enc, 0x0, 1);
+ radeon_enc_code_fixed_bits(enc, enc->enc_pic.loop_filter_across_tiles_enabled_flag, 1);
+ radeon_enc_code_fixed_bits(enc, 0x1, 1);
+ radeon_enc_code_fixed_bits(enc, 0x0, 1);
+ radeon_enc_code_fixed_bits(enc, enc->enc_pic.hevc_deblock.deblocking_filter_disabled, 1);
+
+ if (!enc->enc_pic.hevc_deblock.deblocking_filter_disabled) {
+ radeon_enc_code_se(enc, enc->enc_pic.hevc_deblock.beta_offset_div2);
+ radeon_enc_code_se(enc, enc->enc_pic.hevc_deblock.tc_offset_div2);
+ }
+
+ radeon_enc_code_fixed_bits(enc, 0x0, 1);
+ radeon_enc_code_fixed_bits(enc, 0x0, 1);
+ radeon_enc_code_ue(enc, enc->enc_pic.log2_parallel_merge_level_minus2);
+ radeon_enc_code_fixed_bits(enc, 0x0, 2);
+
+ radeon_enc_code_fixed_bits(enc, 0x1, 1);
+
+ radeon_enc_byte_align(enc);
+ radeon_enc_flush_headers(enc);
+ *size_in_bytes = (enc->bits_output + 7) / 8;
+ RADEON_ENC_END();
+}
+
+static void radeon_enc_nalu_vps(struct radeon_encoder *enc)
+{
+ RADEON_ENC_BEGIN(RENCODE_IB_PARAM_DIRECT_OUTPUT_NALU);
+ RADEON_ENC_CS(RENCODE_DIRECT_OUTPUT_NALU_TYPE_VPS);
+ uint32_t *size_in_bytes = &enc->cs->current.buf[enc->cs->current.cdw++];
+ int i;
+
+ radeon_enc_reset(enc);
+ radeon_enc_set_emulation_prevention(enc, false);
+ radeon_enc_code_fixed_bits(enc, 0x00000001, 32);
+ radeon_enc_code_fixed_bits(enc, 0x4001, 16);
+ radeon_enc_byte_align(enc);
+ radeon_enc_set_emulation_prevention(enc, true);
+
+ radeon_enc_code_fixed_bits(enc, 0x0, 4);
+ radeon_enc_code_fixed_bits(enc, 0x3, 2);
+ radeon_enc_code_fixed_bits(enc, 0x0, 6);
+ radeon_enc_code_fixed_bits(enc, enc->enc_pic.layer_ctrl.max_num_temporal_layers - 1, 3);
+ radeon_enc_code_fixed_bits(enc, 0x1, 1);
+ radeon_enc_code_fixed_bits(enc, 0xffff, 16);
+ radeon_enc_code_fixed_bits(enc, 0x0, 2);
+ radeon_enc_code_fixed_bits(enc, enc->enc_pic.general_tier_flag, 1);
+ radeon_enc_code_fixed_bits(enc, enc->enc_pic.general_profile_idc, 5);
+ radeon_enc_code_fixed_bits(enc, 0x60000000, 32);
+ radeon_enc_code_fixed_bits(enc, 0xb0000000, 32);
+ radeon_enc_code_fixed_bits(enc, 0x0, 16);
+ radeon_enc_code_fixed_bits(enc, enc->enc_pic.general_level_idc, 8);
+
+ for (i = 0; i < (enc->enc_pic.layer_ctrl.max_num_temporal_layers - 1) ; i++)
+ radeon_enc_code_fixed_bits(enc, 0x0, 2);
+
+ if ((enc->enc_pic.layer_ctrl.max_num_temporal_layers - 1) > 0) {
+ for (i = (enc->enc_pic.layer_ctrl.max_num_temporal_layers - 1); i < 8; i++)
+ radeon_enc_code_fixed_bits(enc, 0x0, 2);
+ }
+
+ radeon_enc_code_fixed_bits(enc, 0x0, 1);
+ radeon_enc_code_ue(enc, 0x1);
+ radeon_enc_code_ue(enc, 0x0);
+ radeon_enc_code_ue(enc, 0x0);
+
+ radeon_enc_code_fixed_bits(enc, 0x0, 6);
+ radeon_enc_code_ue(enc, 0x0);
+ radeon_enc_code_fixed_bits(enc, 0x0, 1);
+ radeon_enc_code_fixed_bits(enc, 0x0, 1);
+
+ radeon_enc_code_fixed_bits(enc, 0x1, 1);
+
+ radeon_enc_byte_align(enc);
+ radeon_enc_flush_headers(enc);
+ *size_in_bytes = (enc->bits_output + 7) / 8;
+ RADEON_ENC_END();
+}
+
+static void radeon_enc_nalu_aud_hevc(struct radeon_encoder *enc)
+{
+ RADEON_ENC_BEGIN(RENCODE_IB_PARAM_DIRECT_OUTPUT_NALU);
+ RADEON_ENC_CS(RENCODE_DIRECT_OUTPUT_NALU_TYPE_AUD);
+ uint32_t *size_in_bytes = &enc->cs->current.buf[enc->cs->current.cdw++];
+ radeon_enc_reset(enc);
+ radeon_enc_set_emulation_prevention(enc, false);
+ radeon_enc_code_fixed_bits(enc, 0x00000001, 32);
+ radeon_enc_code_fixed_bits(enc, 0x0, 1);
+ radeon_enc_code_fixed_bits(enc, 35, 6);
+ radeon_enc_code_fixed_bits(enc, 0x0, 6);
+ radeon_enc_code_fixed_bits(enc, 0x1, 3);
+ radeon_enc_byte_align(enc);
+ radeon_enc_set_emulation_prevention(enc, true);
+ switch(enc->enc_pic.picture_type) {
+ case PIPE_H265_ENC_PICTURE_TYPE_I:
+ case PIPE_H265_ENC_PICTURE_TYPE_IDR:
+ radeon_enc_code_fixed_bits(enc, 0x00, 3);
+ break;
+ case PIPE_H265_ENC_PICTURE_TYPE_P:
+ radeon_enc_code_fixed_bits(enc, 0x01, 3);
+ break;
+ case PIPE_H265_ENC_PICTURE_TYPE_B:
+ radeon_enc_code_fixed_bits(enc, 0x02, 3);
+ break;
+ default:
+ radeon_enc_code_fixed_bits(enc, 0x02, 3);
+ }
+
+ radeon_enc_code_fixed_bits(enc, 0x1, 1);
+
+ radeon_enc_byte_align(enc);
+ radeon_enc_flush_headers(enc);
+ *size_in_bytes = (enc->bits_output + 7) / 8;
+ RADEON_ENC_END();
+}
+
static void radeon_enc_slice_header(struct radeon_encoder *enc)
{
uint32_t instruction[RENCODE_SLICE_HEADER_TEMPLATE_MAX_NUM_INSTRUCTIONS] = {0};
@@ -704,6 +928,120 @@ static void radeon_enc_slice_header(struct radeon_encoder *enc)
RADEON_ENC_END();
}
+static void radeon_enc_slice_header_hevc(struct radeon_encoder *enc)
+{
+ uint32_t instruction[RENCODE_SLICE_HEADER_TEMPLATE_MAX_NUM_INSTRUCTIONS] = {0};
+ uint32_t num_bits[RENCODE_SLICE_HEADER_TEMPLATE_MAX_NUM_INSTRUCTIONS] = {0};
+ unsigned int inst_index = 0;
+ unsigned int bit_index = 0;
+ unsigned int bits_copied = 0;
+ RADEON_ENC_BEGIN(RENCODE_IB_PARAM_SLICE_HEADER);
+ radeon_enc_reset(enc);
+ radeon_enc_set_emulation_prevention(enc, false);
+
+ radeon_enc_code_fixed_bits(enc, 0x0, 1);
+ radeon_enc_code_fixed_bits(enc, enc->enc_pic.nal_unit_type, 6);
+ radeon_enc_code_fixed_bits(enc, 0x0, 6);
+ radeon_enc_code_fixed_bits(enc, 0x1, 3);
+
+ radeon_enc_flush_headers(enc);
+ bit_index ++;
+ instruction[inst_index] = RENCODE_HEADER_INSTRUCTION_COPY;
+ num_bits[inst_index] = enc->bits_output - bits_copied;
+ bits_copied = enc->bits_output;
+ inst_index++;
+
+ instruction[inst_index] = RENCODE_HEVC_HEADER_INSTRUCTION_FIRST_SLICE;
+ inst_index++;
+
+ if ((enc->enc_pic.nal_unit_type >= 16) && (enc->enc_pic.nal_unit_type <= 23))
+ radeon_enc_code_fixed_bits(enc, 0x0, 1);
+
+ radeon_enc_code_ue(enc, 0x0);
+
+ radeon_enc_flush_headers(enc);
+ bit_index ++;
+ instruction[inst_index] = RENCODE_HEADER_INSTRUCTION_COPY;
+ num_bits[inst_index] = enc->bits_output - bits_copied;
+ bits_copied = enc->bits_output;
+ inst_index++;
+
+ instruction[inst_index] = RENCODE_HEVC_HEADER_INSTRUCTION_SLICE_SEGMENT;
+ inst_index++;
+
+ instruction[inst_index] = RENCODE_HEVC_HEADER_INSTRUCTION_DEPENDENT_SLICE_END;
+ inst_index++;
+
+ switch(enc->enc_pic.picture_type) {
+ case PIPE_H265_ENC_PICTURE_TYPE_I:
+ case PIPE_H265_ENC_PICTURE_TYPE_IDR:
+ radeon_enc_code_ue(enc, 0x2);
+ break;
+ case PIPE_H265_ENC_PICTURE_TYPE_P:
+ case PIPE_H265_ENC_PICTURE_TYPE_SKIP:
+ radeon_enc_code_ue(enc, 0x1);
+ break;
+ case PIPE_H265_ENC_PICTURE_TYPE_B:
+ radeon_enc_code_ue(enc, 0x0);
+ break;
+ default:
+ radeon_enc_code_ue(enc, 0x1);
+ }
+
+ if ((enc->enc_pic.nal_unit_type != 19) && (enc->enc_pic.nal_unit_type != 20)) {
+ radeon_enc_code_fixed_bits(enc, enc->enc_pic.frame_num % enc->enc_pic.max_poc, enc->enc_pic.log2_max_poc);
+ if (enc->enc_pic.picture_type == PIPE_H265_ENC_PICTURE_TYPE_P)
+ radeon_enc_code_fixed_bits(enc, 0x1, 1);
+ else {
+ radeon_enc_code_fixed_bits(enc, 0x0, 1);
+ radeon_enc_code_fixed_bits(enc, 0x0, 1);
+ radeon_enc_code_ue(enc, 0x0);
+ radeon_enc_code_ue(enc, 0x0);
+ }
+ }
+
+ if ((enc->enc_pic.picture_type == PIPE_H265_ENC_PICTURE_TYPE_P) ||
+ (enc->enc_pic.picture_type == PIPE_H265_ENC_PICTURE_TYPE_B)) {
+ radeon_enc_code_fixed_bits(enc, 0x0, 1);
+ radeon_enc_code_fixed_bits(enc, enc->enc_pic.hevc_spec_misc.cabac_init_flag, 1);
+ radeon_enc_code_ue(enc, 5 - enc->enc_pic.max_num_merge_cand);
+ }
+
+ radeon_enc_flush_headers(enc);
+ bit_index ++;
+ instruction[inst_index] = RENCODE_HEADER_INSTRUCTION_COPY;
+ num_bits[inst_index] = enc->bits_output - bits_copied;
+ bits_copied = enc->bits_output;
+ inst_index++;
+
+ instruction[inst_index] = RENCODE_HEVC_HEADER_INSTRUCTION_SLICE_QP_DELTA;
+ inst_index++;
+
+ if ((enc->enc_pic.loop_filter_across_tiles_enabled_flag) &&
+ (!enc->enc_pic.hevc_deblock.deblocking_filter_disabled)){
+ radeon_enc_code_fixed_bits(enc, enc->enc_pic.loop_filter_across_tiles_enabled_flag, 1);
+
+ radeon_enc_flush_headers(enc);
+ bit_index ++;
+ instruction[inst_index] = RENCODE_HEADER_INSTRUCTION_COPY;
+ num_bits[inst_index] = enc->bits_output - bits_copied;
+ bits_copied = enc->bits_output;
+ inst_index++;
+ }
+
+ instruction[inst_index] = RENCODE_HEADER_INSTRUCTION_END;
+
+ for (int i = bit_index; i < RENCODE_SLICE_HEADER_TEMPLATE_MAX_TEMPLATE_SIZE_IN_DWORDS; i++)
+ RADEON_ENC_CS(0x00000000);
+
+ for (int j = 0; j < RENCODE_SLICE_HEADER_TEMPLATE_MAX_NUM_INSTRUCTIONS; j++) {
+ RADEON_ENC_CS(instruction[j]);
+ RADEON_ENC_CS(num_bits[j]);
+ }
+
+ RADEON_ENC_END();
+}
+
static void radeon_enc_ctx(struct radeon_encoder *enc)
{
enc->enc_pic.ctx_buf.swizzle_mode = 0;
@@ -992,8 +1330,16 @@ static void encode(struct radeon_encoder *enc)
radeon_enc_slice_header(enc);
radeon_enc_encode_params(enc);
radeon_enc_encode_params_h264(enc);
- } else if (u_reduce_video_profile(enc->base.profile) == PIPE_VIDEO_FORMAT_HEVC)
+ } else if (u_reduce_video_profile(enc->base.profile) == PIPE_VIDEO_FORMAT_HEVC) {
+ radeon_enc_nalu_aud_hevc(enc);
+ if (enc->enc_pic.is_idr) {
+ radeon_enc_nalu_vps(enc);
+ radeon_enc_nalu_pps_hevc(enc);
+ radeon_enc_nalu_sps_hevc(enc);
+ }
+ radeon_enc_slice_header_hevc(enc);
radeon_enc_encode_params_hevc(enc);
+ }
radeon_enc_ctx(enc);
radeon_enc_bitstream(enc);
--
2.7.4
More information about the mesa-dev
mailing list