From f7828dc180ba3427b5e405fab25e9846c07322bc Mon Sep 17 00:00:00 2001
From: Saleemkhan Jamadar <saleemkhan.jamadar@amd.com>
Date: Tue, 19 Oct 2021 14:30:11 +0530
Subject: [PATCH] tests/amdgpu/vcn:vcn encoder unit test
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 | 3 +-
tests/amdgpu/vcn_tests.c | 948 ++++++++++++++++++++++++++++++++++++++-
2 files changed, 938 insertions(+), 13 deletions(-)
diff --git a/tests/amdgpu/vce_tests.c b/tests/amdgpu/vce_tests.c
index 4e925cae2..9aa0a8eb6 100644
--- a/tests/amdgpu/vce_tests.c
+++ b/tests/amdgpu/vce_tests.c
@@ -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);
diff --git a/tests/amdgpu/vcn_tests.c b/tests/amdgpu/vcn_tests.c
index a924fec67..add73ce50 100644
--- a/tests/amdgpu/vcn_tests.c
+++ b/tests/amdgpu/vcn_tests.c
@@ -22,7 +22,9 @@
*/
#include <stdio.h>
+#include <string.h>
#include <inttypes.h>
+#include <unistd.h>
#include "CUnit/Basic.h"
@@ -32,10 +34,27 @@
#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);
}
--
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