tests/amdgpu/vcn:vcn encoder unit test
authorSaleemkhan Jamadar <saleemkhan.jamadar@amd.com>
Tue, 19 Oct 2021 09:00:11 +0000 (14:30 +0530)
committerLeo Liu <leo.liu@amd.com>
Sat, 11 Jun 2022 16:13:26 +0000 (12:13 -0400)
 Add support for vcn encoder unit test

Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Signed-off-by: Saleemkhan Jamadar <saleemkhan.jamadar@amd.com>
Signed-off-by: Satyajit Sahu <satyajit.sahu@amd.com>
tests/amdgpu/vce_tests.c
tests/amdgpu/vcn_tests.c

index 4e925ca..9aa0a8e 100644 (file)
@@ -96,7 +96,7 @@ CU_TestInfo vce_tests[] = {
 
 CU_BOOL suite_vce_tests_enable(void)
 {
-       uint32_t version, feature, asic_id;
+       uint32_t version, feature;
        CU_BOOL ret_mv = CU_FALSE;
 
        if (amdgpu_device_initialize(drm_amdgpu[0], &major_version,
@@ -107,7 +107,6 @@ CU_BOOL suite_vce_tests_enable(void)
        chip_rev = device_handle->info.chip_rev;
        chip_id = device_handle->info.chip_external_rev;
        ids_flags = device_handle->info.ids_flags;
-       asic_id = device_handle->info.asic_id;
 
        amdgpu_query_firmware_version(device_handle, AMDGPU_INFO_FW_VCE, 0,
                                          0, &version, &feature);
index a924fec..add73ce 100644 (file)
@@ -22,7 +22,9 @@
 */
 
 #include <stdio.h>
+#include <string.h>
 #include <inttypes.h>
+#include <unistd.h>
 
 #include "CUnit/Basic.h"
 
 #include "amdgpu_drm.h"
 #include "amdgpu_internal.h"
 #include "decode_messages.h"
+#include "frame.h"
 
 #define IB_SIZE                4096
 #define MAX_RESOURCES  16
 
+#define H264_NAL_TYPE_NON_IDR_SLICE 1
+#define H264_NAL_TYPE_DP_A_SLICE 2
+#define H264_NAL_TYPE_DP_B_SLICE 3
+#define H264_NAL_TYPE_DP_C_SLICE 0x4
+#define H264_NAL_TYPE_IDR_SLICE 0x5
+#define H264_NAL_TYPE_SEI 0x6
+#define H264_NAL_TYPE_SEQ_PARAM 0x7
+#define H264_NAL_TYPE_PIC_PARAM 0x8
+#define H264_NAL_TYPE_ACCESS_UNIT 0x9
+#define H264_NAL_TYPE_END_OF_SEQ 0xa
+#define H264_NAL_TYPE_END_OF_STREAM 0xb
+#define H264_NAL_TYPE_FILLER_DATA 0xc
+#define H264_NAL_TYPE_SEQ_EXTENSION 0xd
+
+#define H264_START_CODE 0x000001
+
 struct amdgpu_vcn_bo {
        amdgpu_bo_handle handle;
        amdgpu_va_handle va_handle;
@@ -52,6 +71,23 @@ struct amdgpu_vcn_reg {
        uint32_t cntl;
 };
 
+typedef struct BufferInfo_t {
+       uint32_t numOfBitsInBuffer;
+       const uint8_t *decBuffer;
+       uint8_t decData;
+       uint32_t decBufferSize;
+       const uint8_t *end;
+} bufferInfo;
+
+typedef struct h264_decode_t {
+       uint8_t profile;
+       uint8_t level_idc;
+       uint8_t nal_ref_idc;
+       uint8_t nal_unit_type;
+       uint32_t pic_width, pic_height;
+       uint32_t slice_type;
+} h264_decode;
+
 static amdgpu_device_handle device_handle;
 static uint32_t major_version;
 static uint32_t minor_version;
@@ -60,7 +96,9 @@ static uint32_t chip_rev;
 static uint32_t chip_id;
 static uint32_t asic_id;
 static uint32_t chip_rev;
-static uint32_t chip_id;
+static struct amdgpu_vcn_bo enc_buf;
+static struct amdgpu_vcn_bo cpb_buf;
+static uint32_t enc_task_id;
 
 static amdgpu_context_handle context_handle;
 static amdgpu_bo_handle ib_handle;
@@ -78,6 +116,9 @@ static struct amdgpu_vcn_reg reg[] = {
        {0x10, 0x11, 0xf, 0x29, 0x26d},
 };
 
+uint32_t gWidth, gHeight, gSliceType;
+struct drm_amdgpu_info_hw_ip einfo;
+
 static void amdgpu_cs_vcn_dec_create(void);
 static void amdgpu_cs_vcn_dec_decode(void);
 static void amdgpu_cs_vcn_dec_destroy(void);
@@ -86,6 +127,20 @@ static void amdgpu_cs_vcn_enc_create(void);
 static void amdgpu_cs_vcn_enc_encode(void);
 static void amdgpu_cs_vcn_enc_destroy(void);
 
+static void h264_check_0s (bufferInfo * bufInfo, int count);
+static int32_t h264_se (bufferInfo * bufInfo);
+static inline uint32_t bs_read_u1(bufferInfo *bufinfo);
+static inline int bs_eof(bufferInfo *bufinfo);
+static inline uint32_t bs_read_u(bufferInfo* bufinfo, int n);
+static inline uint32_t bs_read_ue(bufferInfo* bufinfo);
+static uint32_t remove_03 (uint8_t *bptr, uint32_t len);
+static void scaling_list (uint32_t ix, uint32_t sizeOfScalingList, bufferInfo *bufInfo);
+static void h264_parse_sequence_parameter_set (h264_decode * dec, bufferInfo *bufInfo);
+static void h264_slice_header (h264_decode *dec, bufferInfo *bufInfo);
+static uint8_t h264_parse_nal (h264_decode *dec, bufferInfo *bufInfo);
+static uint32_t h264_find_next_start_code (uint8_t *pBuf, uint32_t bufLen);
+static int verify_checksum(uint8_t *buffer, uint32_t buffer_size);
+
 CU_TestInfo vcn_tests[] = {
 
        { "VCN DEC create",  amdgpu_cs_vcn_dec_create },
@@ -93,7 +148,7 @@ CU_TestInfo vcn_tests[] = {
        { "VCN DEC destroy",  amdgpu_cs_vcn_dec_destroy },
 
        { "VCN ENC create",  amdgpu_cs_vcn_enc_create },
-       { "VCN ENC decode",  amdgpu_cs_vcn_enc_encode },
+       { "VCN ENC encode",  amdgpu_cs_vcn_enc_encode },
        { "VCN ENC destroy",  amdgpu_cs_vcn_enc_destroy },
        CU_TEST_INFO_NULL,
 };
@@ -101,7 +156,7 @@ CU_TestInfo vcn_tests[] = {
 CU_BOOL suite_vcn_tests_enable(void)
 {
        struct drm_amdgpu_info_hw_ip info;
-       int r;
+       int r, ret;
 
        if (amdgpu_device_initialize(drm_amdgpu[0], &major_version,
                                   &minor_version, &device_handle))
@@ -113,9 +168,10 @@ CU_BOOL suite_vcn_tests_enable(void)
        chip_id = device_handle->info.chip_external_rev;
 
        r = amdgpu_query_hw_ip_info(device_handle, AMDGPU_HW_IP_VCN_DEC, 0, &info);
+       ret = amdgpu_query_hw_ip_info(device_handle, AMDGPU_HW_IP_VCN_ENC, 0, &einfo);
 
        if (amdgpu_device_deinitialize(device_handle))
-                       return CU_FALSE;
+               return CU_FALSE;
 
        if (r != 0 || !info.available_rings ||
            (family_id < AMDGPU_FAMILY_RV &&
@@ -125,9 +181,10 @@ CU_BOOL suite_vcn_tests_enable(void)
                return CU_FALSE;
        }
 
-       if (family_id == AMDGPU_FAMILY_AI) {
+       if (family_id == AMDGPU_FAMILY_AI || (ret != 0) ||
+           (!einfo.available_rings)) {
                amdgpu_set_test_active("VCN Tests", "VCN ENC create", CU_FALSE);
-               amdgpu_set_test_active("VCN Tests", "VCN ENC decode", CU_FALSE);
+               amdgpu_set_test_active("VCN Tests", "VCN ENC encode", CU_FALSE);
                amdgpu_set_test_active("VCN Tests", "VCN ENC destroy", CU_FALSE);
        }
 
@@ -339,7 +396,7 @@ static void amdgpu_cs_vcn_dec_decode(void)
        size += ALIGN(dpb_size, 4*1024);
        size += ALIGN(dt_size, 4*1024);
 
-       num_resources  = 0;
+       num_resources = 0;
        alloc_resource(&dec_buf, size, AMDGPU_GEM_DOMAIN_GTT);
        resources[num_resources++] = dec_buf.handle;
        resources[num_resources++] = ib_handle;
@@ -405,7 +462,7 @@ static void amdgpu_cs_vcn_dec_destroy(void)
        struct amdgpu_vcn_bo msg_buf;
        int len, r;
 
-       num_resources  = 0;
+       num_resources = 0;
        alloc_resource(&msg_buf, 1024, AMDGPU_GEM_DOMAIN_GTT);
        resources[num_resources++] = msg_buf.handle;
        resources[num_resources++] = ib_handle;
@@ -436,15 +493,884 @@ static void amdgpu_cs_vcn_dec_destroy(void)
 
 static void amdgpu_cs_vcn_enc_create(void)
 {
-       /* TODO */
+       int len, r;
+       uint32_t *p_task_size = NULL;
+       uint32_t task_offset = 0, st_offset;
+       uint32_t *st_size = NULL;
+       unsigned width = 160, height = 128, buf_size;
+       uint32_t fw_maj = 1, fw_min = 9;
+
+       if (einfo.hw_ip_version_major == 2) {
+               fw_maj = 1;
+               fw_min = 1;
+       } else if (einfo.hw_ip_version_major == 3) {
+               fw_maj = 1;
+               fw_min = 0;
+       }
+
+       gWidth = width;
+       gHeight = height;
+       buf_size = ALIGN(width, 256) * ALIGN(height, 32) * 3 / 2;
+       enc_task_id = 1;
+
+       num_resources = 0;
+       alloc_resource(&enc_buf, 128 * 1024, AMDGPU_GEM_DOMAIN_GTT);
+       alloc_resource(&cpb_buf, buf_size * 2, AMDGPU_GEM_DOMAIN_GTT);
+       resources[num_resources++] = enc_buf.handle;
+       resources[num_resources++] = cpb_buf.handle;
+       resources[num_resources++] = ib_handle;
+
+       r = amdgpu_bo_cpu_map(enc_buf.handle, (void**)&enc_buf.ptr);
+       memset(enc_buf.ptr, 0, 128 * 1024);
+       r = amdgpu_bo_cpu_unmap(enc_buf.handle);
+
+       r = amdgpu_bo_cpu_map(cpb_buf.handle, (void**)&enc_buf.ptr);
+       memset(enc_buf.ptr, 0, buf_size * 2);
+       r = amdgpu_bo_cpu_unmap(cpb_buf.handle);
+
+       len = 0;
+       /* session info */
+       st_offset = len;
+       st_size = &ib_cpu[len++];       /* size */
+       ib_cpu[len++] = 0x00000001;     /* RENCODE_IB_PARAM_SESSION_INFO */
+       ib_cpu[len++] = ((fw_maj << 16) | (fw_min << 0));
+       ib_cpu[len++] = enc_buf.addr >> 32;
+       ib_cpu[len++] = enc_buf.addr;
+       ib_cpu[len++] = 1;      /* RENCODE_ENGINE_TYPE_ENCODE; */
+       *st_size = (len - st_offset) * 4;
+
+       /* task info */
+       task_offset = len;
+       st_offset = len;
+       st_size = &ib_cpu[len++];       /* size */
+       ib_cpu[len++] = 0x00000002;     /* RENCODE_IB_PARAM_TASK_INFO */
+       p_task_size = &ib_cpu[len++];
+       ib_cpu[len++] = enc_task_id++;  /* task_id */
+       ib_cpu[len++] = 0;      /* feedback */
+       *st_size = (len - st_offset) * 4;
+
+       /* op init */
+       st_offset = len;
+       st_size = &ib_cpu[len++];       /* size */
+       ib_cpu[len++] = 0x01000001;     /* RENCODE_IB_OP_INITIALIZE */
+       *st_size = (len - st_offset) * 4;
+
+       /* session_init */
+       st_offset = len;
+       st_size = &ib_cpu[len++];       /* size */
+       ib_cpu[len++] = 0x00000003;     /* RENCODE_IB_PARAM_SESSION_INIT */
+       ib_cpu[len++] = 1;      /* RENCODE_ENCODE_STANDARD_H264 */
+       ib_cpu[len++] = width;
+       ib_cpu[len++] = height;
+       ib_cpu[len++] = 0;
+       ib_cpu[len++] = 0;
+       ib_cpu[len++] = 0;      /* pre encode mode */
+       ib_cpu[len++] = 0;      /* chroma enabled : false */
+       *st_size = (len - st_offset) * 4;
+
+       /* slice control */
+       st_offset = len;
+       st_size = &ib_cpu[len++];       /* size */
+       ib_cpu[len++] = 0x00200001;     /* RENCODE_H264_IB_PARAM_SLICE_CONTROL */
+       ib_cpu[len++] = 0;      /* RENCODE_H264_SLICE_CONTROL_MODE_FIXED_MBS */
+       ib_cpu[len++] = ALIGN(width, 16) / 16 * ALIGN(height, 16) / 16;
+       *st_size = (len - st_offset) * 4;
+
+       /* enc spec misc */
+       st_offset = len;
+       st_size = &ib_cpu[len++];       /* size */
+       ib_cpu[len++] = 0x00200002;     /* RENCODE_H264_IB_PARAM_SPEC_MISC */
+       ib_cpu[len++] = 0;      /* constrained intra pred flag */
+       ib_cpu[len++] = 0;      /* cabac enable */
+       ib_cpu[len++] = 0;      /* cabac init idc */
+       ib_cpu[len++] = 1;      /* half pel enabled */
+       ib_cpu[len++] = 1;      /* quarter pel enabled */
+       ib_cpu[len++] = 100;    /* BASELINE profile */
+       ib_cpu[len++] = 11;     /* level */
+       if (einfo.hw_ip_version_major == 3) {
+               ib_cpu[len++] = 0;      /* b_picture_enabled */
+               ib_cpu[len++] = 0;      /* weighted_bipred_idc */
+       }
+       *st_size = (len - st_offset) * 4;
+
+       /* deblocking filter */
+       st_offset = len;
+       st_size = &ib_cpu[len++];       /* size */
+       ib_cpu[len++] = 0x00200004;     /* RENCODE_H264_IB_PARAM_DEBLOCKING_FILTER */
+       ib_cpu[len++] = 0;      /* disable deblocking filter idc */
+       ib_cpu[len++] = 0;      /* alpha c0 offset */
+       ib_cpu[len++] = 0;      /* tc offset */
+       ib_cpu[len++] = 0;      /* cb offset */
+       ib_cpu[len++] = 0;      /* cr offset */
+       *st_size = (len - st_offset) * 4;
+
+       /* layer control */
+       st_offset = len;
+       st_size = &ib_cpu[len++];       /* size */
+       ib_cpu[len++] = 0x00000004;     /* RENCODE_IB_PARAM_LAYER_CONTROL */
+       ib_cpu[len++] = 1;      /* max temporal layer */
+       ib_cpu[len++] = 1;      /* no of temporal layer */
+       *st_size = (len - st_offset) * 4;
+
+       /* rc_session init */
+       st_offset = len;
+       st_size = &ib_cpu[len++];       /* size */
+       ib_cpu[len++] = 0x00000006;     /* RENCODE_IB_PARAM_RATE_CONTROL_SESSION_INIT */
+       ib_cpu[len++] = 0;      /* rate control */
+       ib_cpu[len++] = 48;     /* vbv buffer level */
+       *st_size = (len - st_offset) * 4;
+
+       /* quality params */
+       st_offset = len;
+       st_size = &ib_cpu[len++];       /* size */
+       ib_cpu[len++] = 0x00000009;     /* RENCODE_IB_PARAM_QUALITY_PARAMS */
+       ib_cpu[len++] = 0;      /* vbaq mode */
+       ib_cpu[len++] = 0;      /* scene change sensitivity */
+       ib_cpu[len++] = 0;      /* scene change min idr interval */
+       ib_cpu[len++] = 0;
+       if (einfo.hw_ip_version_major == 3)
+               ib_cpu[len++] = 0;
+       *st_size = (len - st_offset) * 4;
+
+       /* layer select */
+       st_offset = len;
+       st_size = &ib_cpu[len++];       /* size */
+       ib_cpu[len++] = 0x00000005;     /* RENCODE_IB_PARAM_LAYER_SELECT */
+       ib_cpu[len++] = 0;      /* temporal layer */
+       *st_size = (len - st_offset) * 4;
+
+       /* rc layer init */
+       st_offset = len;
+       st_size = &ib_cpu[len++];       /* size */
+       ib_cpu[len++] = 0x00000007;     /* RENCODE_IB_PARAM_RATE_CONTROL_LAYER_INIT */
+       ib_cpu[len++] = 0;
+       ib_cpu[len++] = 0;
+       ib_cpu[len++] = 25;
+       ib_cpu[len++] = 1;
+       ib_cpu[len++] = 0x01312d00;
+       ib_cpu[len++] = 0;
+       ib_cpu[len++] = 0;
+       ib_cpu[len++] = 0;
+       *st_size = (len - st_offset) * 4;
+
+       /* layer select */
+       st_offset = len;
+       st_size = &ib_cpu[len++];       /* size */
+       ib_cpu[len++] = 0x00000005;     /* RENCODE_IB_PARAM_LAYER_SELECT */
+       ib_cpu[len++] = 0;      /* temporal layer */
+       *st_size = (len - st_offset) * 4;
+
+       /* rc per pic */
+       st_offset = len;
+       st_size = &ib_cpu[len++];       /* size */
+       ib_cpu[len++] = 0x00000008;     /* RENCODE_IB_PARAM_RATE_CONTROL_PER_PICTURE */
+       ib_cpu[len++] = 20;
+       ib_cpu[len++] = 0;
+       ib_cpu[len++] = 51;
+       ib_cpu[len++] = 0;
+       ib_cpu[len++] = 1;
+       ib_cpu[len++] = 0;
+       ib_cpu[len++] = 1;
+       *st_size = (len - st_offset) * 4;
+
+       /* op init rc */
+       st_offset = len;
+       st_size = &ib_cpu[len++];       /* size */
+       ib_cpu[len++] = 0x01000004;     /* RENCODE_IB_OP_INIT_RC */
+       *st_size = (len - st_offset) * 4;
+
+       /* op init rc vbv */
+       st_offset = len;
+       st_size = &ib_cpu[len++];       /* size */
+       ib_cpu[len++] = 0x01000005;     /* RENCODE_IB_OP_INIT_RC_VBV_BUFFER_LEVEL */
+       *st_size = (len - st_offset) * 4;
+
+       *p_task_size = (len - task_offset) * 4;
+
+       r = submit(len, AMDGPU_HW_IP_VCN_ENC);
+       CU_ASSERT_EQUAL(r, 0);
+}
+
+static int32_t h264_se (bufferInfo * bufInfo)
+{
+       uint32_t ret;
+
+       ret = bs_read_ue (bufInfo);
+       if ((ret & 0x1) == 0) {
+               ret >>= 1;
+               int32_t temp = 0 - ret;
+               return temp;
+       }
+
+       return (ret + 1) >> 1;
+}
+
+static void h264_check_0s (bufferInfo * bufInfo, int count)
+{
+       uint32_t val;
+
+       val = bs_read_u (bufInfo, count);
+       if (val != 0) {
+               printf ("field error - %d bits should be 0 is %x\n", count, val);
+       }
+}
+
+static inline int bs_eof(bufferInfo * bufinfo)
+{
+       if (bufinfo->decBuffer >= bufinfo->end)
+               return 1;
+       else
+               return 0;
+}
+
+static inline uint32_t bs_read_u1(bufferInfo *bufinfo)
+{
+       uint32_t r = 0;
+       uint32_t temp = 0;
+
+       bufinfo->numOfBitsInBuffer--;
+       if (! bs_eof(bufinfo)) {
+               temp = (((bufinfo->decData)) >> bufinfo->numOfBitsInBuffer);
+               r = temp & 0x01;
+       }
+
+       if (bufinfo->numOfBitsInBuffer == 0) {
+               bufinfo->decBuffer++;
+               bufinfo->decData = *bufinfo->decBuffer;
+               bufinfo->numOfBitsInBuffer = 8;
+       }
+
+       return r;
+}
+
+static inline uint32_t bs_read_u(bufferInfo* bufinfo, int n)
+{
+       uint32_t r = 0;
+       int i;
+
+       for (i = 0; i < n; i++) {
+               r |= ( bs_read_u1(bufinfo) << ( n - i - 1 ) );
+       }
+
+       return r;
+}
+
+static inline uint32_t bs_read_ue(bufferInfo* bufinfo)
+{
+       int32_t r = 0;
+       int i = 0;
+
+       while( (bs_read_u1(bufinfo) == 0) && (i < 32) && (!bs_eof(bufinfo))) {
+               i++;
+       }
+       r = bs_read_u(bufinfo, i);
+       r += (1 << i) - 1;
+       return r;
+}
+
+static uint32_t remove_03 (uint8_t * bptr, uint32_t len)
+{
+       uint32_t nal_len = 0;
+       while (nal_len + 2 < len) {
+               if (bptr[0] == 0 && bptr[1] == 0 && bptr[2] == 3) {
+                       bptr += 2;
+                       nal_len += 2;
+                       len--;
+                       memmove (bptr, bptr + 1, len - nal_len);
+               } else {
+                       bptr++;
+                       nal_len++;
+               }
+       }
+       return len;
+}
+
+static void scaling_list (uint32_t ix, uint32_t sizeOfScalingList, bufferInfo * bufInfo)
+{
+       uint32_t lastScale = 8, nextScale = 8;
+       uint32_t jx;
+       int deltaScale;
+
+       for (jx = 0; jx < sizeOfScalingList; jx++) {
+               if (nextScale != 0) {
+                       deltaScale = h264_se (bufInfo);
+                       nextScale = (lastScale + deltaScale + 256) % 256;
+               }
+               if (nextScale == 0) {
+                       lastScale = lastScale;
+               } else {
+                       lastScale = nextScale;
+               }
+       }
+}
+
+static void h264_parse_sequence_parameter_set (h264_decode * dec, bufferInfo * bufInfo)
+{
+       uint32_t temp;
+
+       dec->profile = bs_read_u (bufInfo, 8);
+       bs_read_u (bufInfo, 1);         /* constaint_set0_flag */
+       bs_read_u (bufInfo, 1);         /* constaint_set1_flag */
+       bs_read_u (bufInfo, 1);         /* constaint_set2_flag */
+       bs_read_u (bufInfo, 1);         /* constaint_set3_flag */
+       bs_read_u (bufInfo, 1);         /* constaint_set4_flag */
+       bs_read_u (bufInfo, 1);         /* constaint_set5_flag */
+
+
+       h264_check_0s (bufInfo, 2);
+       dec->level_idc = bs_read_u (bufInfo, 8);
+       bs_read_ue (bufInfo);   /* SPS id*/
+
+       if (dec->profile == 100 || dec->profile == 110 ||
+               dec->profile == 122 || dec->profile == 144) {
+               uint32_t chroma_format_idc = bs_read_ue (bufInfo);
+               if (chroma_format_idc == 3) {
+                       bs_read_u (bufInfo, 1); /* residual_colour_transform_flag */
+               }
+               bs_read_ue (bufInfo);   /* bit_depth_luma_minus8 */
+               bs_read_ue (bufInfo);   /* bit_depth_chroma_minus8 */
+               bs_read_u (bufInfo, 1); /* qpprime_y_zero_transform_bypass_flag */
+               uint32_t seq_scaling_matrix_present_flag = bs_read_u (bufInfo, 1);
+
+               if (seq_scaling_matrix_present_flag) {
+                       for (uint32_t ix = 0; ix < 8; ix++) {
+                               temp = bs_read_u (bufInfo, 1);
+                               if (temp) {
+                                       scaling_list (ix, ix < 6 ? 16 : 64, bufInfo);
+                               }
+                       }
+               }
+       }
+
+       bs_read_ue (bufInfo);   /* log2_max_frame_num_minus4 */
+       uint32_t pic_order_cnt_type = bs_read_ue (bufInfo);
+
+       if (pic_order_cnt_type == 0) {
+               bs_read_ue (bufInfo);   /* log2_max_pic_order_cnt_lsb_minus4 */
+       } else if (pic_order_cnt_type == 1) {
+               bs_read_u (bufInfo, 1); /* delta_pic_order_always_zero_flag */
+               h264_se (bufInfo);      /* offset_for_non_ref_pic */
+               h264_se (bufInfo);      /* offset_for_top_to_bottom_field */
+               temp = bs_read_ue (bufInfo);
+               for (uint32_t ix = 0; ix < temp; ix++) {
+                        h264_se (bufInfo);     /* offset_for_ref_frame[index] */
+               }
+       }
+       bs_read_ue (bufInfo);   /* num_ref_frames */
+       bs_read_u (bufInfo, 1); /* gaps_in_frame_num_flag */
+       uint32_t PicWidthInMbs = bs_read_ue (bufInfo) + 1;
+
+       dec->pic_width = PicWidthInMbs * 16;
+       uint32_t PicHeightInMapUnits = bs_read_ue (bufInfo) + 1;
+
+       dec->pic_height = PicHeightInMapUnits * 16;
+       uint32_t frame_mbs_only_flag = bs_read_u (bufInfo, 1);
+       if (!frame_mbs_only_flag) {
+               bs_read_u (bufInfo, 1); /* mb_adaptive_frame_field_flag */
+       }
+       bs_read_u (bufInfo, 1); /* direct_8x8_inference_flag */
+       temp = bs_read_u (bufInfo, 1);
+       if (temp) {
+               bs_read_ue (bufInfo);   /* frame_crop_left_offset */
+               bs_read_ue (bufInfo);   /* frame_crop_right_offset */
+               bs_read_ue (bufInfo);   /* frame_crop_top_offset */
+               bs_read_ue (bufInfo);   /* frame_crop_bottom_offset */
+       }
+       temp = bs_read_u (bufInfo, 1);  /* VUI Parameters  */
+}
+
+static void h264_slice_header (h264_decode * dec, bufferInfo * bufInfo)
+{
+       uint32_t temp;
+
+       bs_read_ue (bufInfo);   /* first_mb_in_slice */
+       temp = bs_read_ue (bufInfo);
+       dec->slice_type = ((temp > 5) ? (temp - 5) : temp);
+}
+
+static uint8_t h264_parse_nal (h264_decode * dec, bufferInfo * bufInfo)
+{
+       uint8_t type = 0;
+
+       h264_check_0s (bufInfo, 1);
+       dec->nal_ref_idc = bs_read_u (bufInfo, 2);
+       dec->nal_unit_type = type = bs_read_u (bufInfo, 5);
+       switch (type)
+       {
+       case H264_NAL_TYPE_NON_IDR_SLICE:
+       case H264_NAL_TYPE_IDR_SLICE:
+               h264_slice_header (dec, bufInfo);
+               break;
+       case H264_NAL_TYPE_SEQ_PARAM:
+               h264_parse_sequence_parameter_set (dec, bufInfo);
+               break;
+       case H264_NAL_TYPE_PIC_PARAM:
+       case H264_NAL_TYPE_SEI:
+       case H264_NAL_TYPE_ACCESS_UNIT:
+       case H264_NAL_TYPE_SEQ_EXTENSION:
+               /* NOP */
+               break;
+       default:
+               printf ("Nal type unknown %d \n ", type);
+               break;
+       }
+       return type;
+}
+
+static uint32_t h264_find_next_start_code (uint8_t * pBuf, uint32_t bufLen)
+{
+       uint32_t val;
+       uint32_t offset, startBytes;
+
+       offset = startBytes = 0;
+       if (pBuf[0] == 0 && pBuf[1] == 0 && pBuf[2] == 0 && pBuf[3] == 1) {
+               pBuf += 4;
+               offset = 4;
+               startBytes = 1;
+       } else if (pBuf[0] == 0 && pBuf[1] == 0 && pBuf[2] == 1) {
+               pBuf += 3;
+               offset = 3;
+               startBytes = 1;
+       }
+       val = 0xffffffff;
+       while (offset < bufLen - 3) {
+               val <<= 8;
+               val |= *pBuf++;
+               offset++;
+               if (val == H264_START_CODE)
+                       return offset - 4;
+
+               if ((val & 0x00ffffff) == H264_START_CODE)
+                       return offset - 3;
+       }
+       if (bufLen - offset <= 3 && startBytes == 0) {
+               startBytes = 0;
+               return 0;
+       }
+
+       return offset;
+}
+
+static int verify_checksum(uint8_t *buffer, uint32_t buffer_size)
+{
+       uint32_t buffer_pos = 0;
+       int done = 0;
+       h264_decode dec;
+
+       memset(&dec, 0, sizeof(h264_decode));
+       do {
+               uint32_t ret;
+
+               ret = h264_find_next_start_code (buffer + buffer_pos,
+                                buffer_size - buffer_pos);
+               if (ret == 0) {
+                       done = 1;
+                       if (buffer_pos == 0) {
+                               fprintf (stderr,
+                                "couldn't find start code in buffer from 0\n");
+                       }
+               } else {
+               /* have a complete NAL from buffer_pos to end */
+                       if (ret > 3) {
+                               uint32_t nal_len;
+                               bufferInfo bufinfo;
+
+                               nal_len = remove_03 (buffer + buffer_pos, ret);
+                               bufinfo.decBuffer = buffer + buffer_pos + (buffer[buffer_pos + 2] == 1 ? 3 : 4);
+                               bufinfo.decBufferSize = (nal_len - (buffer[buffer_pos + 2] == 1 ? 3 : 4)) * 8;
+                               bufinfo.end = buffer + buffer_pos + nal_len;
+                               bufinfo.numOfBitsInBuffer = 8;
+                               bufinfo.decData = *bufinfo.decBuffer;
+                               h264_parse_nal (&dec, &bufinfo);
+                       }
+                       buffer_pos += ret;      /*  buffer_pos points to next code */
+               }
+       } while (done == 0);
+
+       if ((dec.pic_width == gWidth) &&
+               (dec.pic_height == gHeight) &&
+               (dec.slice_type == gSliceType))
+           return 0;
+       else
+               return -1;
+}
+
+static void check_result(struct amdgpu_vcn_bo fb_buf, struct amdgpu_vcn_bo bs_buf, int frame_type)
+{
+       uint32_t *fb_ptr;
+       uint8_t *bs_ptr;
+       uint32_t size;
+       int r;
+/*     uint64_t s[3] = {0, 1121279001727, 1059312481445}; */
+
+       r = amdgpu_bo_cpu_map(fb_buf.handle, (void **)&fb_buf.ptr);
+       CU_ASSERT_EQUAL(r, 0);
+       fb_ptr = (uint32_t*)fb_buf.ptr;
+       size = fb_ptr[6];
+       r = amdgpu_bo_cpu_unmap(fb_buf.handle);
+       CU_ASSERT_EQUAL(r, 0);
+       r = amdgpu_bo_cpu_map(bs_buf.handle, (void **)&bs_buf.ptr);
+       CU_ASSERT_EQUAL(r, 0);
+
+       bs_ptr = (uint8_t*)bs_buf.ptr;
+       r = verify_checksum(bs_ptr, size);
+       CU_ASSERT_EQUAL(r, 0);
+       r = amdgpu_bo_cpu_unmap(bs_buf.handle);
+
+       CU_ASSERT_EQUAL(r, 0);
+}
+
+static void amdgpu_cs_vcn_enc_encode_frame(int frame_type)
+{
+       struct amdgpu_vcn_bo bs_buf, fb_buf, vbv_buf;
+       int len, r, i;
+       unsigned width = 160, height = 128, buf_size;
+       uint32_t *p_task_size = NULL;
+       uint32_t task_offset = 0, st_offset;
+       uint32_t *st_size = NULL;
+       uint32_t fw_maj = 1, fw_min = 9;
+
+       if (einfo.hw_ip_version_major == 2) {
+               fw_maj = 1;
+               fw_min = 1;
+       } else if (einfo.hw_ip_version_major == 3) {
+               fw_maj = 1;
+               fw_min = 0;
+       }
+       gSliceType = frame_type;
+       buf_size = ALIGN(width, 256) * ALIGN(height, 32) * 3 / 2;
+
+       num_resources = 0;
+       alloc_resource(&bs_buf, 4096, AMDGPU_GEM_DOMAIN_GTT);
+       alloc_resource(&fb_buf, 4096, AMDGPU_GEM_DOMAIN_GTT);
+       alloc_resource(&vbv_buf, buf_size, AMDGPU_GEM_DOMAIN_GTT);
+       resources[num_resources++] = enc_buf.handle;
+       resources[num_resources++] = cpb_buf.handle;
+       resources[num_resources++] = bs_buf.handle;
+       resources[num_resources++] = fb_buf.handle;
+       resources[num_resources++] = vbv_buf.handle;
+       resources[num_resources++] = ib_handle;
+
+
+       r = amdgpu_bo_cpu_map(bs_buf.handle, (void**)&bs_buf.ptr);
+       memset(bs_buf.ptr, 0, 4096);
+       r = amdgpu_bo_cpu_unmap(bs_buf.handle);
+
+       r = amdgpu_bo_cpu_map(fb_buf.handle, (void**)&fb_buf.ptr);
+       memset(fb_buf.ptr, 0, 4096);
+       r = amdgpu_bo_cpu_unmap(fb_buf.handle);
+
+       r = amdgpu_bo_cpu_map(vbv_buf.handle, (void **)&vbv_buf.ptr);
+       CU_ASSERT_EQUAL(r, 0);
+
+       for (int i = 0; i < ALIGN(height, 32) * 3 / 2; i++)
+               memcpy(vbv_buf.ptr + i * ALIGN(width, 256), frame + i * width, width);
+
+       r = amdgpu_bo_cpu_unmap(vbv_buf.handle);
+       CU_ASSERT_EQUAL(r, 0);
+
+       len = 0;
+       /* session info */
+       st_offset = len;
+       st_size = &ib_cpu[len++];       /* size */
+       ib_cpu[len++] = 0x00000001;     /* RENCODE_IB_PARAM_SESSION_INFO */
+       ib_cpu[len++] = ((fw_maj << 16) | (fw_min << 0));
+       ib_cpu[len++] = enc_buf.addr >> 32;
+       ib_cpu[len++] = enc_buf.addr;
+       ib_cpu[len++] = 1;      /* RENCODE_ENGINE_TYPE_ENCODE */;
+       *st_size = (len - st_offset) * 4;
+
+       /* task info */
+       task_offset = len;
+       st_offset = len;
+       st_size = &ib_cpu[len++];       /* size */
+       ib_cpu[len++] = 0x00000002;     /* RENCODE_IB_PARAM_TASK_INFO */
+       p_task_size = &ib_cpu[len++];
+       ib_cpu[len++] = enc_task_id++;  /* task_id */
+       ib_cpu[len++] = 1;      /* feedback */
+       *st_size = (len - st_offset) * 4;
+
+       if (frame_type == 2) {
+               /* sps */
+               st_offset = len;
+               st_size = &ib_cpu[len++];       /* size */
+               if(einfo.hw_ip_version_major == 1)
+                       ib_cpu[len++] = 0x00000020;     /* RENCODE_IB_PARAM_DIRECT_OUTPUT_NALU vcn 1 */
+               else
+                       ib_cpu[len++] = 0x0000000a;     /* RENCODE_IB_PARAM_DIRECT_OUTPUT_NALU vcn 2,3 */
+               ib_cpu[len++] = 0x00000002;     /* RENCODE_DIRECT_OUTPUT_NALU_TYPE_SPS */
+               ib_cpu[len++] = 0x00000011;     /* sps len */
+               ib_cpu[len++] = 0x00000001;     /* start code */
+               ib_cpu[len++] = 0x6764440b;
+               ib_cpu[len++] = 0xac54c284;
+               ib_cpu[len++] = 0x68078442;
+               ib_cpu[len++] = 0x37000000;
+               *st_size = (len - st_offset) * 4;
+
+               /* pps */
+               st_offset = len;
+               st_size = &ib_cpu[len++];       /* size */
+               if(einfo.hw_ip_version_major == 1)
+                       ib_cpu[len++] = 0x00000020;     /* RENCODE_IB_PARAM_DIRECT_OUTPUT_NALU vcn 1*/
+               else
+                       ib_cpu[len++] = 0x0000000a;     /* RENCODE_IB_PARAM_DIRECT_OUTPUT_NALU vcn 2,3*/
+               ib_cpu[len++] = 0x00000003;     /* RENCODE_DIRECT_OUTPUT_NALU_TYPE_PPS */
+               ib_cpu[len++] = 0x00000008;     /* pps len */
+               ib_cpu[len++] = 0x00000001;     /* start code */
+               ib_cpu[len++] = 0x68ce3c80;
+               *st_size = (len - st_offset) * 4;
+       }
+
+       /* slice header */
+       st_offset = len;
+       st_size = &ib_cpu[len++];       /* size */
+       if(einfo.hw_ip_version_major == 1)
+               ib_cpu[len++] = 0x0000000a; /* RENCODE_IB_PARAM_SLICE_HEADER vcn 1 */
+       else
+               ib_cpu[len++] = 0x0000000b; /* RENCODE_IB_PARAM_SLICE_HEADER vcn 2,3 */
+       if (frame_type == 2) {
+               ib_cpu[len++] = 0x65000000;
+               ib_cpu[len++] = 0x11040000;
+       } else {
+               ib_cpu[len++] = 0x41000000;
+               ib_cpu[len++] = 0x34210000;
+       }
+       ib_cpu[len++] = 0xe0000000;
+       for(i = 0; i < 13; i++)
+               ib_cpu[len++] = 0x00000000;
+
+       ib_cpu[len++] = 0x00000001;
+       ib_cpu[len++] = 0x00000008;
+       ib_cpu[len++] = 0x00020000;
+       ib_cpu[len++] = 0x00000000;
+       ib_cpu[len++] = 0x00000001;
+       ib_cpu[len++] = 0x00000015;
+       ib_cpu[len++] = 0x00020001;
+       ib_cpu[len++] = 0x00000000;
+       ib_cpu[len++] = 0x00000001;
+       ib_cpu[len++] = 0x00000003;
+       for(i = 0; i < 22; i++)
+               ib_cpu[len++] = 0x00000000;
+
+       *st_size = (len - st_offset) * 4;
+
+       /* encode params */
+       st_offset = len;
+       st_size = &ib_cpu[len++];       /* size */
+       if(einfo.hw_ip_version_major == 1)
+               ib_cpu[len++] = 0x0000000b;     /* RENCODE_IB_PARAM_ENCODE_PARAMS vcn 1*/
+       else
+               ib_cpu[len++] = 0x0000000f;     /* RENCODE_IB_PARAM_ENCODE_PARAMS vcn 2,3*/
+       ib_cpu[len++] = frame_type;
+       ib_cpu[len++] = 0x0001f000;
+       ib_cpu[len++] = vbv_buf.addr >> 32;
+       ib_cpu[len++] = vbv_buf.addr;
+       ib_cpu[len++] = (vbv_buf.addr + ALIGN(width, 256) * ALIGN(height, 32)) >> 32;
+       ib_cpu[len++] = vbv_buf.addr + ALIGN(width, 256) * ALIGN(height, 32);
+       ib_cpu[len++] = 0x00000100;
+       ib_cpu[len++] = 0x00000080;
+       ib_cpu[len++] = 0x00000000;
+       ib_cpu[len++] = 0xffffffff;
+       ib_cpu[len++] = 0x00000000;
+       *st_size = (len - st_offset) * 4;
+
+       /* encode params h264 */
+       st_offset = len;
+       st_size = &ib_cpu[len++];       /* size */
+       ib_cpu[len++] = 0x00200003;     /* RENCODE_H264_IB_PARAM_ENCODE_PARAMS */
+       if (einfo.hw_ip_version_major != 3) {
+               ib_cpu[len++] = 0x00000000;
+               ib_cpu[len++] = 0x00000000;
+               ib_cpu[len++] = 0x00000000;
+               ib_cpu[len++] = 0xffffffff;
+       } else {
+               ib_cpu[len++] = 0x00000000;
+               ib_cpu[len++] = 0x00000000;
+               ib_cpu[len++] = 0x00000000;
+               ib_cpu[len++] = 0x00000000;
+               ib_cpu[len++] = 0x00000000;
+               ib_cpu[len++] = 0x00000000;
+               ib_cpu[len++] = 0x00000000;
+               ib_cpu[len++] = 0xffffffff;
+               ib_cpu[len++] = 0x00000000;
+               ib_cpu[len++] = 0x00000000;
+               ib_cpu[len++] = 0x00000000;
+               ib_cpu[len++] = 0x00000000;
+               ib_cpu[len++] = 0xffffffff;
+               ib_cpu[len++] = 0x00000000;
+               ib_cpu[len++] = 0x00000000;
+               ib_cpu[len++] = 0x00000000;
+               ib_cpu[len++] = 0x00000000;
+       }
+       *st_size = (len - st_offset) * 4;
+
+       /* encode context */
+       st_offset = len;
+       st_size = &ib_cpu[len++];       /* size */
+       if(einfo.hw_ip_version_major == 1)
+               ib_cpu[len++] = 0x0000000d;     /* ENCODE_CONTEXT_BUFFER  vcn 1 */
+       else
+               ib_cpu[len++] = 0x00000011;     /* ENCODE_CONTEXT_BUFFER  vcn 2,3 */
+       ib_cpu[len++] = cpb_buf.addr >> 32;
+       ib_cpu[len++] = cpb_buf.addr;
+       ib_cpu[len++] = 0x00000000;     /* swizzle mode */
+       ib_cpu[len++] = 0x00000100;     /* luma pitch */
+       ib_cpu[len++] = 0x00000100;     /* chroma pitch */
+       ib_cpu[len++] = 0x00000003; /* no reconstructed picture */
+       ib_cpu[len++] = 0x00000000;     /* reconstructed pic 1 luma offset */
+       ib_cpu[len++] = ALIGN(width, 256) * ALIGN(height, 32);  /* pic1 chroma offset */
+       ib_cpu[len++] = ALIGN(width, 256) * ALIGN(height, 32) * 3 / 2;  /* pic2 luma offset */
+       ib_cpu[len++] = ALIGN(width, 256) * ALIGN(height, 32) * 5 / 2;  /* pic2 chroma offset */
+
+       for (int i = 0; i < 136; i++)
+               ib_cpu[len++] = 0x00000000;
+       *st_size = (len - st_offset) * 4;
+
+       /* bitstream buffer */
+       st_offset = len;
+       st_size = &ib_cpu[len++];       /* size */
+       if(einfo.hw_ip_version_major == 1)
+               ib_cpu[len++] = 0x0000000e;     /* VIDEO_BITSTREAM_BUFFER vcn 1 */
+       else
+               ib_cpu[len++] = 0x00000012;     /* VIDEO_BITSTREAM_BUFFER vcn 2,3 */
+       ib_cpu[len++] = 0x00000000;     /* mode */
+       ib_cpu[len++] = bs_buf.addr >> 32;
+       ib_cpu[len++] = bs_buf.addr;
+       ib_cpu[len++] = 0x0001f000;
+       ib_cpu[len++] = 0x00000000;
+       *st_size = (len - st_offset) * 4;
+
+       /* feedback */
+       st_offset = len;
+       st_size = &ib_cpu[len++];       /* size */
+       if(einfo.hw_ip_version_major == 1)
+               ib_cpu[len++] = 0x00000010;     /* FEEDBACK_BUFFER vcn 1 */
+       else
+               ib_cpu[len++] = 0x00000015;     /* FEEDBACK_BUFFER vcn 2,3 */
+       ib_cpu[len++] = 0x00000000;
+       ib_cpu[len++] = fb_buf.addr >> 32;
+       ib_cpu[len++] = fb_buf.addr;
+       ib_cpu[len++] = 0x00000010;
+       ib_cpu[len++] = 0x00000028;
+       *st_size = (len - st_offset) * 4;
+
+       /* intra refresh */
+       st_offset = len;
+       st_size = &ib_cpu[len++];
+       if(einfo.hw_ip_version_major == 1)
+               ib_cpu[len++] = 0x0000000c;     /* INTRA_REFRESH vcn 1 */
+       else
+               ib_cpu[len++] = 0x00000010;     /* INTRA_REFRESH vcn 2,3 */
+       ib_cpu[len++] = 0x00000000;
+       ib_cpu[len++] = 0x00000000;
+       ib_cpu[len++] = 0x00000000;
+       *st_size = (len - st_offset) * 4;
+
+       if(einfo.hw_ip_version_major != 1) {
+               /* Input Format */
+               st_offset = len;
+               st_size = &ib_cpu[len++];
+               ib_cpu[len++] = 0x0000000c;
+               ib_cpu[len++] = 0x00000000;     /* RENCODE_COLOR_VOLUME_G22_BT709 */
+               ib_cpu[len++] = 0x00000000;
+               ib_cpu[len++] = 0x00000000;
+               ib_cpu[len++] = 0x00000000;
+               ib_cpu[len++] = 0x00000000;
+               ib_cpu[len++] = 0x00000000;     /* RENCODE_COLOR_BIT_DEPTH_8_BIT */
+               ib_cpu[len++] = 0x00000000;     /* RENCODE_COLOR_PACKING_FORMAT_NV12 */
+               *st_size = (len - st_offset) * 4;
+
+               /* Output Format */
+               st_offset = len;
+               st_size = &ib_cpu[len++];
+               ib_cpu[len++] = 0x0000000d;
+               ib_cpu[len++] = 0x00000000;     /* RENCODE_COLOR_VOLUME_G22_BT709 */
+               ib_cpu[len++] = 0x00000000;
+               ib_cpu[len++] = 0x00000000;
+               ib_cpu[len++] = 0x00000000;     /* RENCODE_COLOR_BIT_DEPTH_8_BIT */
+               *st_size = (len - st_offset) * 4;
+       }
+       /* op_speed */
+       st_offset = len;
+       st_size = &ib_cpu[len++];
+       ib_cpu[len++] = 0x01000006;     /* SPEED_ENCODING_MODE */
+       *st_size = (len - st_offset) * 4;
+
+       /* op_enc */
+       st_offset = len;
+       st_size = &ib_cpu[len++];
+       ib_cpu[len++] = 0x01000003;
+       *st_size = (len - st_offset) * 4;
+
+       *p_task_size = (len - task_offset) * 4;
+       r = submit(len, AMDGPU_HW_IP_VCN_ENC);
+       CU_ASSERT_EQUAL(r, 0);
+
+       /* check result */
+       check_result(fb_buf, bs_buf, frame_type);
+
+       free_resource(&fb_buf);
+       free_resource(&bs_buf);
+       free_resource(&vbv_buf);
 }
 
 static void amdgpu_cs_vcn_enc_encode(void)
 {
-       /* TODO */
+       amdgpu_cs_vcn_enc_encode_frame(2);      /* IDR frame */
 }
 
 static void amdgpu_cs_vcn_enc_destroy(void)
 {
-       /* TODO */
+       int len = 0, r;
+       uint32_t *p_task_size = NULL;
+       uint32_t task_offset = 0, st_offset;
+       uint32_t *st_size = NULL;
+       uint32_t fw_maj = 1, fw_min = 9;
+
+       if (einfo.hw_ip_version_major == 2) {
+               fw_maj = 1;
+               fw_min = 1;
+       } else if (einfo.hw_ip_version_major == 3) {
+               fw_maj = 1;
+               fw_min = 0;
+       }
+
+       num_resources = 0;
+/*     alloc_resource(&enc_buf, 128 * 1024, AMDGPU_GEM_DOMAIN_GTT); */
+       resources[num_resources++] = enc_buf.handle;
+       resources[num_resources++] = ib_handle;
+
+       /* session info */
+       st_offset = len;
+       st_size = &ib_cpu[len++];       /* size */
+       ib_cpu[len++] = 0x00000001;     /* RENCODE_IB_PARAM_SESSION_INFO */
+       ib_cpu[len++] = ((fw_maj << 16) | (fw_min << 0));
+       ib_cpu[len++] = enc_buf.addr >> 32;
+       ib_cpu[len++] = enc_buf.addr;
+       ib_cpu[len++] = 1;      /* RENCODE_ENGINE_TYPE_ENCODE; */
+       *st_size = (len - st_offset) * 4;
+
+       /* task info */
+       task_offset = len;
+       st_offset = len;
+       st_size = &ib_cpu[len++];       /* size */
+       ib_cpu[len++] = 0x00000002;     /* RENCODE_IB_PARAM_TASK_INFO */
+       p_task_size = &ib_cpu[len++];
+       ib_cpu[len++] = enc_task_id++;  /* task_id */
+       ib_cpu[len++] = 0;      /* feedback */
+       *st_size = (len - st_offset) * 4;
+
+       /*  op close */
+       st_offset = len;
+       st_size = &ib_cpu[len++];
+       ib_cpu[len++] = 0x01000002;     /* RENCODE_IB_OP_CLOSE_SESSION */
+       *st_size = (len - st_offset) * 4;
+
+       *p_task_size = (len - task_offset) * 4;
+
+       r = submit(len, AMDGPU_HW_IP_VCN_ENC);
+       CU_ASSERT_EQUAL(r, 0);
+
+       free_resource(&cpb_buf);
+       free_resource(&enc_buf);
 }