/src/libmpeg2/fuzzer/mpeg2_dec_fuzzer.cpp

Source (jump to first uncovered line)
/******************************************************************************
 *
 * Copyright (C) 2019 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 *****************************************************************************
 * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
 */

#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <algorithm>
#include <memory>

#include "iv_datatypedef.h"
#include "iv.h"
#include "ivd.h"
#include "impeg2d.h"

#define ALIGN2(x) ((((x) + 1) >> 1) << 1)
#define MAX_FRAME_WIDTH 3840
#define MAX_FRAME_HEIGHT 2160
#define NELEMENTS(x) (sizeof(x) / sizeof(x[0]))
#define ivd_api_function impeg2d_api_function
const IV_COLOR_FORMAT_T supportedColorFormats[] = {IV_YUV_420P, IV_YUV_420SP_UV,
                                                   IV_YUV_420SP_VU};

/* Decoder ignores invalid arch, i.e. for arm build, if SSSE3 is requested,
 * decoder defaults to a supported configuration. So same set of supported
 * architectures can be used in arm/arm64/x86 builds */
const IVD_ARCH_T supportedArchitectures[] = {
    ARCH_ARM_NONEON,  ARCH_ARM_A9Q,   ARCH_ARM_NEONINTR, ARCH_ARMV8_GENERIC,
    ARCH_X86_GENERIC, ARCH_X86_SSSE3, ARCH_X86_SSE42};

enum {
  OFFSET_COLOR_FORMAT = 6,
  OFFSET_NUM_CORES,
  OFFSET_ARCH,
  /* Should be the last entry */
  OFFSET_MAX,
};

const static int kMaxNumDecodeCalls = 100;
const static int kSupportedColorFormats = NELEMENTS(supportedColorFormats);
const static int kSupportedArchitectures = NELEMENTS(supportedArchitectures);
const static int kMaxCores = 4;

class Codec {
 public:
  Codec(IV_COLOR_FORMAT_T colorFormat, size_t numCores);
  ~Codec();

  void createCodec();
  void deleteCodec();
  void resetCodec();
  void setCores();
  void allocFrame();
  void freeFrame();
  void decodeHeader(const uint8_t *data, size_t size);
  IV_API_CALL_STATUS_T decodeFrame(const uint8_t *data, size_t size,
                                   size_t *bytesConsumed);
  void setParams(IVD_VIDEO_DECODE_MODE_T mode);
  void setArchitecture(IVD_ARCH_T arch);

 private:
  IV_COLOR_FORMAT_T mColorFormat;
  size_t mNumCores;
  iv_obj_t *mCodec;
  ivd_out_bufdesc_t mOutBufHandle;
  uint32_t mWidth;
  uint32_t mHeight;
  uint32_t mDeinterlace;
  iv_mem_rec_t *mMemRecords;
};

Codec::Codec(IV_COLOR_FORMAT_T colorFormat, size_t numCores) {
  mColorFormat = colorFormat;
  mNumCores = numCores;
  mCodec = nullptr;
  mWidth = 0;
  mHeight = 0;
  mDeinterlace = 1;
  memset(&mOutBufHandle, 0, sizeof(mOutBufHandle));
}

Codec::~Codec() {}

void Codec::createCodec() {
  IV_API_CALL_STATUS_T ret;
  UWORD32 numMemRecords;
  size_t i;
  void *fxns = (void *)&ivd_api_function;

  iv_num_mem_rec_ip_t get_mem_ip;
  iv_num_mem_rec_op_t get_mem_op;

  get_mem_ip.u4_size = sizeof(get_mem_ip);
  get_mem_op.u4_size = sizeof(get_mem_op);
  get_mem_ip.e_cmd = IV_CMD_GET_NUM_MEM_REC;

  ret = ivd_api_function(NULL, (void *)&get_mem_ip, (void *)&get_mem_op);
  if (ret != IV_SUCCESS) {
    return;
  }

  numMemRecords = get_mem_op.u4_num_mem_rec;

  mMemRecords = (iv_mem_rec_t *)malloc(numMemRecords * sizeof(iv_mem_rec_t));
  if (mMemRecords == NULL) {
    return;
  }

  impeg2d_fill_mem_rec_ip_t fill_mem_ip;
  impeg2d_fill_mem_rec_op_t fill_mem_op;

  fill_mem_ip.s_ivd_fill_mem_rec_ip_t.e_cmd = IV_CMD_FILL_NUM_MEM_REC;
  fill_mem_ip.s_ivd_fill_mem_rec_ip_t.pv_mem_rec_location =
      (iv_mem_rec_t *)mMemRecords;
  fill_mem_ip.s_ivd_fill_mem_rec_ip_t.u4_max_frm_wd = MAX_FRAME_WIDTH;
  fill_mem_ip.s_ivd_fill_mem_rec_ip_t.u4_max_frm_ht = MAX_FRAME_HEIGHT;
  fill_mem_ip.u4_share_disp_buf = 0;
  fill_mem_ip.u4_deinterlace = mDeinterlace;
  fill_mem_ip.e_output_format = mColorFormat;

  fill_mem_ip.s_ivd_fill_mem_rec_ip_t.u4_size =
      sizeof(impeg2d_fill_mem_rec_ip_t);
  fill_mem_op.s_ivd_fill_mem_rec_op_t.u4_size =
      sizeof(impeg2d_fill_mem_rec_op_t);

  for (i = 0; i < numMemRecords; i++)
    mMemRecords[i].u4_size = sizeof(iv_mem_rec_t);

  ret = ivd_api_function(NULL, (void *)&fill_mem_ip, (void *)&fill_mem_op);

  if (ret != IV_SUCCESS) {
    return;
  }
  numMemRecords = fill_mem_op.s_ivd_fill_mem_rec_op_t.u4_num_mem_rec_filled;

  iv_mem_rec_t *ps_mem_rec = (iv_mem_rec_t *)mMemRecords;

  for (i = 0; i < numMemRecords; i++) {
    if (0 != posix_memalign(&ps_mem_rec->pv_base, ps_mem_rec->u4_mem_alignment,
                            ps_mem_rec->u4_mem_size)) {
      return;
    }

    if (ps_mem_rec->pv_base == NULL) {
      return;
    }

    ps_mem_rec++;
  }

  mCodec = (iv_obj_t *)(iv_obj_t *)mMemRecords[0].pv_base;
  mCodec->pv_fxns = fxns;
  mCodec->u4_size = sizeof(iv_obj_t);

  impeg2d_init_ip_t init_ip;
  impeg2d_init_op_t init_op;

  init_ip.s_ivd_init_ip_t.e_cmd = (IVD_API_COMMAND_TYPE_T)IV_CMD_INIT;
  init_ip.s_ivd_init_ip_t.pv_mem_rec_location = mMemRecords;
  init_ip.s_ivd_init_ip_t.u4_frm_max_wd = MAX_FRAME_WIDTH;
  init_ip.s_ivd_init_ip_t.u4_frm_max_ht = MAX_FRAME_HEIGHT;

  init_ip.u4_share_disp_buf = 0;
  init_ip.u4_deinterlace = mDeinterlace;
  init_ip.s_ivd_init_ip_t.u4_num_mem_rec = numMemRecords;
  init_ip.s_ivd_init_ip_t.e_output_format = mColorFormat;
  init_ip.s_ivd_init_ip_t.u4_size = sizeof(impeg2d_init_ip_t);
  init_op.s_ivd_init_op_t.u4_size = sizeof(impeg2d_init_op_t);

  ret = ivd_api_function(mCodec, (void *)&init_ip, (void *)&init_op);
  if (ret != IV_SUCCESS) {
    return;
  }
}

void Codec::deleteCodec() {
  IV_API_CALL_STATUS_T ret;
  iv_retrieve_mem_rec_ip_t retrieve_ip;
  iv_retrieve_mem_rec_op_t retrieve_op;
  retrieve_ip.pv_mem_rec_location = (iv_mem_rec_t *)mMemRecords;

  retrieve_ip.e_cmd = IV_CMD_RETRIEVE_MEMREC;
  retrieve_ip.u4_size = sizeof(iv_retrieve_mem_rec_ip_t);
  retrieve_op.u4_size = sizeof(iv_retrieve_mem_rec_op_t);

  ret = ivd_api_function(mCodec, (void *)&retrieve_ip, (void *)&retrieve_op);

  if (ret != IV_SUCCESS) {
    return;
  }

  iv_mem_rec_t *ps_mem_rec = retrieve_ip.pv_mem_rec_location;
  for (size_t i = 0; i < retrieve_op.u4_num_mem_rec_filled; i++) {
    free(ps_mem_rec->pv_base);
    ps_mem_rec++;
  }
  free(retrieve_ip.pv_mem_rec_location);
}

void Codec::resetCodec() {
  ivd_ctl_reset_ip_t s_ctl_ip;
  ivd_ctl_reset_op_t s_ctl_op;

  s_ctl_ip.e_cmd = IVD_CMD_VIDEO_CTL;
  s_ctl_ip.e_sub_cmd = IVD_CMD_CTL_RESET;
  s_ctl_ip.u4_size = sizeof(ivd_ctl_reset_ip_t);
  s_ctl_op.u4_size = sizeof(ivd_ctl_reset_op_t);

  ivd_api_function(mCodec, (void *)&s_ctl_ip, (void *)&s_ctl_op);
}

void Codec::setCores() {
  impeg2d_ctl_set_num_cores_ip_t s_ctl_ip;
  impeg2d_ctl_set_num_cores_op_t s_ctl_op;

  s_ctl_ip.e_cmd = IVD_CMD_VIDEO_CTL;
  s_ctl_ip.e_sub_cmd =
      (IVD_CONTROL_API_COMMAND_TYPE_T)IMPEG2D_CMD_CTL_SET_NUM_CORES;
  s_ctl_ip.u4_num_cores = mNumCores;
  s_ctl_ip.u4_size = sizeof(impeg2d_ctl_set_num_cores_ip_t);
  s_ctl_op.u4_size = sizeof(impeg2d_ctl_set_num_cores_op_t);

  ivd_api_function(mCodec, (void *)&s_ctl_ip, (void *)&s_ctl_op);
}

void Codec::setParams(IVD_VIDEO_DECODE_MODE_T mode) {
  ivd_ctl_set_config_ip_t s_ctl_ip;
  ivd_ctl_set_config_op_t s_ctl_op;

  s_ctl_ip.u4_disp_wd = 0;
  s_ctl_ip.e_frm_skip_mode = IVD_SKIP_NONE;
  s_ctl_ip.e_frm_out_mode = IVD_DISPLAY_FRAME_OUT;
  s_ctl_ip.e_vid_dec_mode = mode;
  s_ctl_ip.e_cmd = IVD_CMD_VIDEO_CTL;
  s_ctl_ip.e_sub_cmd = IVD_CMD_CTL_SETPARAMS;
  s_ctl_ip.u4_size = sizeof(ivd_ctl_set_config_ip_t);
  s_ctl_op.u4_size = sizeof(ivd_ctl_set_config_op_t);

  ivd_api_function(mCodec, (void *)&s_ctl_ip, (void *)&s_ctl_op);
}

void Codec::setArchitecture(IVD_ARCH_T arch) {
  impeg2d_ctl_set_processor_ip_t s_ctl_ip;
  impeg2d_ctl_set_processor_op_t s_ctl_op;

  s_ctl_ip.e_cmd = IVD_CMD_VIDEO_CTL;
  s_ctl_ip.e_sub_cmd =
      (IVD_CONTROL_API_COMMAND_TYPE_T)IMPEG2D_CMD_CTL_SET_PROCESSOR;
  s_ctl_ip.u4_arch = arch;
  s_ctl_ip.u4_soc = SOC_GENERIC;
  s_ctl_ip.u4_size = sizeof(impeg2d_ctl_set_processor_ip_t);
  s_ctl_op.u4_size = sizeof(impeg2d_ctl_set_processor_op_t);

  ivd_api_function(mCodec, (void *)&s_ctl_ip, (void *)&s_ctl_op);
}
void Codec::freeFrame() {
  for (int i = 0; i < mOutBufHandle.u4_num_bufs; i++) {
    if (mOutBufHandle.pu1_bufs[i]) {
      free(mOutBufHandle.pu1_bufs[i]);
      mOutBufHandle.pu1_bufs[i] = nullptr;
    }
  }
}

void Codec::allocFrame() {
  size_t sizes[4] = {0};
  size_t num_bufs = 0;

  freeFrame();

  memset(&mOutBufHandle, 0, sizeof(mOutBufHandle));

  switch (mColorFormat) {
    case IV_YUV_420SP_UV:
      [[fallthrough]];
    case IV_YUV_420SP_VU:
      sizes[0] = mWidth * mHeight;
      sizes[1] = ALIGN2(mWidth) * ALIGN2(mHeight) >> 1;
      num_bufs = 2;
      break;
    case IV_YUV_422ILE:
      sizes[0] = mWidth * mHeight * 2;
      num_bufs = 1;
      break;
    case IV_RGB_565:
      sizes[0] = mWidth * mHeight * 2;
      num_bufs = 1;
      break;
    case IV_RGBA_8888:
      sizes[0] = mWidth * mHeight * 4;
      num_bufs = 1;
      break;
    case IV_YUV_420P:
      [[fallthrough]];
    default:
      sizes[0] = mWidth * mHeight;
      sizes[1] = ALIGN2(mWidth) * ALIGN2(mHeight) >> 2;
      sizes[2] = ALIGN2(mWidth) * ALIGN2(mHeight) >> 2;
      num_bufs = 3;
      break;
  }
  mOutBufHandle.u4_num_bufs = num_bufs;
  for (int i = 0; i < num_bufs; i++) {
    mOutBufHandle.u4_min_out_buf_size[i] = sizes[i];
    void *buf = NULL;
    if (0 != posix_memalign(&buf, 16, sizes[i])) {
      return;
    }
    mOutBufHandle.pu1_bufs[i] = (UWORD8 *)buf;
  }
}

void Codec::decodeHeader(const uint8_t *data, size_t size) {
  setParams(IVD_DECODE_HEADER);

  while (size > 0) {
    IV_API_CALL_STATUS_T ret;
    ivd_video_decode_ip_t dec_ip;
    ivd_video_decode_op_t dec_op;
    size_t bytes_consumed;

    memset(&dec_ip, 0, sizeof(dec_ip));
    memset(&dec_op, 0, sizeof(dec_op));

    dec_ip.e_cmd = IVD_CMD_VIDEO_DECODE;
    dec_ip.u4_ts = 0;
    dec_ip.pv_stream_buffer = (void *)data;
    dec_ip.u4_num_Bytes = size;
    dec_ip.u4_size = sizeof(ivd_video_decode_ip_t);
    dec_op.u4_size = sizeof(ivd_video_decode_op_t);

    ret = ivd_api_function(mCodec, (void *)&dec_ip, (void *)&dec_op);

    bytes_consumed = dec_op.u4_num_bytes_consumed;
    /* If no bytes are consumed, then consume 4 bytes to ensure fuzzer proceeds
     * to feed next data */
    if (!bytes_consumed) bytes_consumed = 4;

    bytes_consumed = std::min(size, bytes_consumed);

    data += bytes_consumed;
    size -= bytes_consumed;

    mWidth = std::min(dec_op.u4_pic_wd, (UWORD32)10240);
    mHeight = std::min(dec_op.u4_pic_ht, (UWORD32)10240);

    /* Break after successful header decode */
    if (mWidth && mHeight) {
      break;
    }
  }
  /* if width / height are invalid, set them to defaults */
  if (!mWidth) mWidth = 1920;
  if (!mHeight) mHeight = 1088;
}

IV_API_CALL_STATUS_T Codec::decodeFrame(const uint8_t *data, size_t size,
                                        size_t *bytesConsumed) {
  IV_API_CALL_STATUS_T ret;
  ivd_video_decode_ip_t dec_ip;
  ivd_video_decode_op_t dec_op;

  memset(&dec_ip, 0, sizeof(dec_ip));
  memset(&dec_op, 0, sizeof(dec_op));

  dec_ip.e_cmd = IVD_CMD_VIDEO_DECODE;
  dec_ip.u4_ts = 0;
  dec_ip.pv_stream_buffer = (void *)data;
  dec_ip.u4_num_Bytes = size;
  dec_ip.u4_size = sizeof(ivd_video_decode_ip_t);
  dec_ip.s_out_buffer = mOutBufHandle;

  dec_op.u4_size = sizeof(ivd_video_decode_op_t);

  ret = ivd_api_function(mCodec, (void *)&dec_ip, (void *)&dec_op);
  if (IMPEG2D_UNSUPPORTED_DIMENSIONS == dec_op.u4_error_code) {
    /* In case of unsupported resolution, reset codec */
    resetCodec();
  } else if (IVD_RES_CHANGED == (dec_op.u4_error_code & 0xFF)) {
    /* In case of change in resolution, reset codec and feed the same data
     * again */
    resetCodec();
    ret = ivd_api_function(mCodec, (void *)&dec_ip, (void *)&dec_op);
  }
  *bytesConsumed = dec_op.u4_num_bytes_consumed;

  /* If no bytes are consumed, then consume 4 bytes to ensure fuzzer proceeds
   * to feed next data */
  if (!*bytesConsumed) *bytesConsumed = 4;

  if (dec_op.u4_pic_wd && dec_op.u4_pic_ht &&
      (mWidth != dec_op.u4_pic_wd || mHeight != dec_op.u4_pic_ht)) {
    mWidth = std::min(dec_op.u4_pic_wd, (UWORD32)10240);
    mHeight = std::min(dec_op.u4_pic_ht, (UWORD32)10240);
    allocFrame();
  }

  return ret;
}

extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
  if (size < 1) {
    return 0;
  }
  size_t colorFormatOfst = std::min((size_t)OFFSET_COLOR_FORMAT, size - 1);
  size_t numCoresOfst = std::min((size_t)OFFSET_NUM_CORES, size - 1);
  size_t architectureOfst = std::min((size_t)OFFSET_ARCH, size - 1);
  size_t architectureIdx = data[architectureOfst] % kSupportedArchitectures;
  IVD_ARCH_T arch = (IVD_ARCH_T)supportedArchitectures[architectureIdx];
  size_t colorFormatIdx = data[colorFormatOfst] % kSupportedColorFormats;
  IV_COLOR_FORMAT_T colorFormat =
      (IV_COLOR_FORMAT_T)(supportedColorFormats[colorFormatIdx]);
  uint32_t numCores = (data[numCoresOfst] % kMaxCores) + 1;
  size_t numDecodeCalls = 0;
  Codec *codec = new Codec(colorFormat, numCores);
  codec->createCodec();
  codec->setArchitecture(arch);
  codec->setCores();
  codec->decodeHeader(data, size);
  codec->setParams(IVD_DECODE_FRAME);
  codec->allocFrame();

  while (size > 0 && numDecodeCalls < kMaxNumDecodeCalls) {
    IV_API_CALL_STATUS_T ret;
    size_t bytesConsumed;
    ret = codec->decodeFrame(data, size, &bytesConsumed);

    bytesConsumed = std::min(size, bytesConsumed);
    data += bytesConsumed;
    size -= bytesConsumed;
    numDecodeCalls++;
  }

  codec->freeFrame();
  codec->deleteCodec();
  delete codec;
  return 0;
}

Coverage Report

Created: 2023-06-07 07:17

Line	Count	Source (jump to first uncovered line)
1		/******************************************************************************
2		*
3		* Copyright (C) 2019 The Android Open Source Project
4		*
5		* Licensed under the Apache License, Version 2.0 (the "License");
6		* you may not use this file except in compliance with the License.
7		* You may obtain a copy of the License at:
8		*
9		* http://www.apache.org/licenses/LICENSE-2.0
10		*
11		* Unless required by applicable law or agreed to in writing, software
12		* distributed under the License is distributed on an "AS IS" BASIS,
13		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14		* See the License for the specific language governing permissions and
15		* limitations under the License.
16		*
17		*****************************************************************************
18		* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
19		*/
20
21		#include <stddef.h>
22		#include <stdint.h>
23		#include <stdio.h>
24		#include <stdlib.h>
25		#include <string.h>
26		#include <algorithm>
27		#include <memory>
28
29		#include "iv_datatypedef.h"
30		#include "iv.h"
31		#include "ivd.h"
32		#include "impeg2d.h"
33
34	32.9k	#define ALIGN2(x) ((((x) + 1) >> 1) << 1)
35	12.9k	#define MAX_FRAME_WIDTH 3840
36	12.9k	#define MAX_FRAME_HEIGHT 2160
37		#define NELEMENTS(x) (sizeof(x) / sizeof(x[0]))
38	122k	#define ivd_api_function impeg2d_api_function
39		const IV_COLOR_FORMAT_T supportedColorFormats[] = {IV_YUV_420P, IV_YUV_420SP_UV,
40		IV_YUV_420SP_VU};
41
42		/* Decoder ignores invalid arch, i.e. for arm build, if SSSE3 is requested,
43		* decoder defaults to a supported configuration. So same set of supported
44		* architectures can be used in arm/arm64/x86 builds */
45		const IVD_ARCH_T supportedArchitectures[] = {
46		ARCH_ARM_NONEON, ARCH_ARM_A9Q, ARCH_ARM_NEONINTR, ARCH_ARMV8_GENERIC,
47		ARCH_X86_GENERIC, ARCH_X86_SSSE3, ARCH_X86_SSE42};
48
49		enum {
50		OFFSET_COLOR_FORMAT = 6,
51		OFFSET_NUM_CORES,
52		OFFSET_ARCH,
53		/* Should be the last entry */
54		OFFSET_MAX,
55		};
56
57		const static int kMaxNumDecodeCalls = 100;
58		const static int kSupportedColorFormats = NELEMENTS(supportedColorFormats);
59		const static int kSupportedArchitectures = NELEMENTS(supportedArchitectures);
60		const static int kMaxCores = 4;
61
62		class Codec {
63		public:
64		Codec(IV_COLOR_FORMAT_T colorFormat, size_t numCores);
65		~Codec();
66
67		void createCodec();
68		void deleteCodec();
69		void resetCodec();
70		void setCores();
71		void allocFrame();
72		void freeFrame();
73		void decodeHeader(const uint8_t *data, size_t size);
74		IV_API_CALL_STATUS_T decodeFrame(const uint8_t *data, size_t size,
75		size_t *bytesConsumed);
76		void setParams(IVD_VIDEO_DECODE_MODE_T mode);
77		void setArchitecture(IVD_ARCH_T arch);
78
79		private:
80		IV_COLOR_FORMAT_T mColorFormat;
81		size_t mNumCores;
82		iv_obj_t *mCodec;
83		ivd_out_bufdesc_t mOutBufHandle;
84		uint32_t mWidth;
85		uint32_t mHeight;
86		uint32_t mDeinterlace;
87		iv_mem_rec_t *mMemRecords;
88		};
89
90	6.49k	Codec::Codec(IV_COLOR_FORMAT_T colorFormat, size_t numCores) {
91	6.49k	mColorFormat = colorFormat;
92	6.49k	mNumCores = numCores;
93	6.49k	mCodec = nullptr;
94	6.49k	mWidth = 0;
95	6.49k	mHeight = 0;
96	6.49k	mDeinterlace = 1;
97	6.49k	memset(&mOutBufHandle, 0, sizeof(mOutBufHandle));
98	6.49k	}
99
100	6.49k	Codec::~Codec() {}
101
102	6.49k	void Codec::createCodec() {
103	6.49k	IV_API_CALL_STATUS_T ret;
104	6.49k	UWORD32 numMemRecords;
105	6.49k	size_t i;
106	6.49k	void fxns = (void )&ivd_api_function;
107
108	6.49k	iv_num_mem_rec_ip_t get_mem_ip;
109	6.49k	iv_num_mem_rec_op_t get_mem_op;
110
111	6.49k	get_mem_ip.u4_size = sizeof(get_mem_ip);
112	6.49k	get_mem_op.u4_size = sizeof(get_mem_op);
113	6.49k	get_mem_ip.e_cmd = IV_CMD_GET_NUM_MEM_REC;
114
115	6.49k	ret = ivd_api_function(NULL, (void )&get_mem_ip, (void )&get_mem_op);
116	6.49k	if (ret != IV_SUCCESS) {
117	0	return;
118	0	}
119
120	6.49k	numMemRecords = get_mem_op.u4_num_mem_rec;
121
122	6.49k	mMemRecords = (iv_mem_rec_t )malloc(numMemRecords sizeof(iv_mem_rec_t));
123	6.49k	if (mMemRecords == NULL) {
124	0	return;
125	0	}
126
127	6.49k	impeg2d_fill_mem_rec_ip_t fill_mem_ip;
128	6.49k	impeg2d_fill_mem_rec_op_t fill_mem_op;
129
130	6.49k	fill_mem_ip.s_ivd_fill_mem_rec_ip_t.e_cmd = IV_CMD_FILL_NUM_MEM_REC;
131	6.49k	fill_mem_ip.s_ivd_fill_mem_rec_ip_t.pv_mem_rec_location =
132	6.49k	(iv_mem_rec_t *)mMemRecords;
133	6.49k	fill_mem_ip.s_ivd_fill_mem_rec_ip_t.u4_max_frm_wd = MAX_FRAME_WIDTH;
134	6.49k	fill_mem_ip.s_ivd_fill_mem_rec_ip_t.u4_max_frm_ht = MAX_FRAME_HEIGHT;
135	6.49k	fill_mem_ip.u4_share_disp_buf = 0;
136	6.49k	fill_mem_ip.u4_deinterlace = mDeinterlace;
137	6.49k	fill_mem_ip.e_output_format = mColorFormat;
138
139	6.49k	fill_mem_ip.s_ivd_fill_mem_rec_ip_t.u4_size =
140	6.49k	sizeof(impeg2d_fill_mem_rec_ip_t);
141	6.49k	fill_mem_op.s_ivd_fill_mem_rec_op_t.u4_size =
142	6.49k	sizeof(impeg2d_fill_mem_rec_op_t);
143
144	194k	for (i = 0; i < numMemRecords; i++)
145	188k	mMemRecords[i].u4_size = sizeof(iv_mem_rec_t);
146
147	6.49k	ret = ivd_api_function(NULL, (void )&fill_mem_ip, (void )&fill_mem_op);
148
149	6.49k	if (ret != IV_SUCCESS) {
150	0	return;
151	0	}
152	6.49k	numMemRecords = fill_mem_op.s_ivd_fill_mem_rec_op_t.u4_num_mem_rec_filled;
153
154	6.49k	iv_mem_rec_t ps_mem_rec = (iv_mem_rec_t )mMemRecords;
155
156	194k	for (i = 0; i < numMemRecords; i++) {
157	188k	if (0 != posix_memalign(&ps_mem_rec->pv_base, ps_mem_rec->u4_mem_alignment,
158	188k	ps_mem_rec->u4_mem_size)) {
159	0	return;
160	0	}
161
162	188k	if (ps_mem_rec->pv_base == NULL) {
163	0	return;
164	0	}
165
166	188k	ps_mem_rec++;
167	188k	}
168
169	6.49k	mCodec = (iv_obj_t )(iv_obj_t )mMemRecords[0].pv_base;
170	6.49k	mCodec->pv_fxns = fxns;
171	6.49k	mCodec->u4_size = sizeof(iv_obj_t);
172
173	6.49k	impeg2d_init_ip_t init_ip;
174	6.49k	impeg2d_init_op_t init_op;
175
176	6.49k	init_ip.s_ivd_init_ip_t.e_cmd = (IVD_API_COMMAND_TYPE_T)IV_CMD_INIT;
177	6.49k	init_ip.s_ivd_init_ip_t.pv_mem_rec_location = mMemRecords;
178	6.49k	init_ip.s_ivd_init_ip_t.u4_frm_max_wd = MAX_FRAME_WIDTH;
179	6.49k	init_ip.s_ivd_init_ip_t.u4_frm_max_ht = MAX_FRAME_HEIGHT;
180
181	6.49k	init_ip.u4_share_disp_buf = 0;
182	6.49k	init_ip.u4_deinterlace = mDeinterlace;
183	6.49k	init_ip.s_ivd_init_ip_t.u4_num_mem_rec = numMemRecords;
184	6.49k	init_ip.s_ivd_init_ip_t.e_output_format = mColorFormat;
185	6.49k	init_ip.s_ivd_init_ip_t.u4_size = sizeof(impeg2d_init_ip_t);
186	6.49k	init_op.s_ivd_init_op_t.u4_size = sizeof(impeg2d_init_op_t);
187
188	6.49k	ret = ivd_api_function(mCodec, (void )&init_ip, (void )&init_op);
189	6.49k	if (ret != IV_SUCCESS) {
190	0	return;
191	0	}
192	6.49k	}
193
194	6.49k	void Codec::deleteCodec() {
195	6.49k	IV_API_CALL_STATUS_T ret;
196	6.49k	iv_retrieve_mem_rec_ip_t retrieve_ip;
197	6.49k	iv_retrieve_mem_rec_op_t retrieve_op;
198	6.49k	retrieve_ip.pv_mem_rec_location = (iv_mem_rec_t *)mMemRecords;
199
200	6.49k	retrieve_ip.e_cmd = IV_CMD_RETRIEVE_MEMREC;
201	6.49k	retrieve_ip.u4_size = sizeof(iv_retrieve_mem_rec_ip_t);
202	6.49k	retrieve_op.u4_size = sizeof(iv_retrieve_mem_rec_op_t);
203
204	6.49k	ret = ivd_api_function(mCodec, (void )&retrieve_ip, (void )&retrieve_op);
205
206	6.49k	if (ret != IV_SUCCESS) {
207	0	return;
208	0	}
209
210	6.49k	iv_mem_rec_t *ps_mem_rec = retrieve_ip.pv_mem_rec_location;
211	194k	for (size_t i = 0; i < retrieve_op.u4_num_mem_rec_filled; i++) {
212	188k	free(ps_mem_rec->pv_base);
213	188k	ps_mem_rec++;
214	188k	}
215	6.49k	free(retrieve_ip.pv_mem_rec_location);
216	6.49k	}
217
218	7.88k	void Codec::resetCodec() {
219	7.88k	ivd_ctl_reset_ip_t s_ctl_ip;
220	7.88k	ivd_ctl_reset_op_t s_ctl_op;
221
222	7.88k	s_ctl_ip.e_cmd = IVD_CMD_VIDEO_CTL;
223	7.88k	s_ctl_ip.e_sub_cmd = IVD_CMD_CTL_RESET;
224	7.88k	s_ctl_ip.u4_size = sizeof(ivd_ctl_reset_ip_t);
225	7.88k	s_ctl_op.u4_size = sizeof(ivd_ctl_reset_op_t);
226
227	7.88k	ivd_api_function(mCodec, (void )&s_ctl_ip, (void )&s_ctl_op);
228	7.88k	}
229
230	6.49k	void Codec::setCores() {
231	6.49k	impeg2d_ctl_set_num_cores_ip_t s_ctl_ip;
232	6.49k	impeg2d_ctl_set_num_cores_op_t s_ctl_op;
233
234	6.49k	s_ctl_ip.e_cmd = IVD_CMD_VIDEO_CTL;
235	6.49k	s_ctl_ip.e_sub_cmd =
236	6.49k	(IVD_CONTROL_API_COMMAND_TYPE_T)IMPEG2D_CMD_CTL_SET_NUM_CORES;
237	6.49k	s_ctl_ip.u4_num_cores = mNumCores;
238	6.49k	s_ctl_ip.u4_size = sizeof(impeg2d_ctl_set_num_cores_ip_t);
239	6.49k	s_ctl_op.u4_size = sizeof(impeg2d_ctl_set_num_cores_op_t);
240
241	6.49k	ivd_api_function(mCodec, (void )&s_ctl_ip, (void )&s_ctl_op);
242	6.49k	}
243
244	12.9k	void Codec::setParams(IVD_VIDEO_DECODE_MODE_T mode) {
245	12.9k	ivd_ctl_set_config_ip_t s_ctl_ip;
246	12.9k	ivd_ctl_set_config_op_t s_ctl_op;
247
248	12.9k	s_ctl_ip.u4_disp_wd = 0;
249	12.9k	s_ctl_ip.e_frm_skip_mode = IVD_SKIP_NONE;
250	12.9k	s_ctl_ip.e_frm_out_mode = IVD_DISPLAY_FRAME_OUT;
251	12.9k	s_ctl_ip.e_vid_dec_mode = mode;
252	12.9k	s_ctl_ip.e_cmd = IVD_CMD_VIDEO_CTL;
253	12.9k	s_ctl_ip.e_sub_cmd = IVD_CMD_CTL_SETPARAMS;
254	12.9k	s_ctl_ip.u4_size = sizeof(ivd_ctl_set_config_ip_t);
255	12.9k	s_ctl_op.u4_size = sizeof(ivd_ctl_set_config_op_t);
256
257	12.9k	ivd_api_function(mCodec, (void )&s_ctl_ip, (void )&s_ctl_op);
258	12.9k	}
259
260	6.49k	void Codec::setArchitecture(IVD_ARCH_T arch) {
261	6.49k	impeg2d_ctl_set_processor_ip_t s_ctl_ip;
262	6.49k	impeg2d_ctl_set_processor_op_t s_ctl_op;
263
264	6.49k	s_ctl_ip.e_cmd = IVD_CMD_VIDEO_CTL;
265	6.49k	s_ctl_ip.e_sub_cmd =
266	6.49k	(IVD_CONTROL_API_COMMAND_TYPE_T)IMPEG2D_CMD_CTL_SET_PROCESSOR;
267	6.49k	s_ctl_ip.u4_arch = arch;
268	6.49k	s_ctl_ip.u4_soc = SOC_GENERIC;
269	6.49k	s_ctl_ip.u4_size = sizeof(impeg2d_ctl_set_processor_ip_t);
270	6.49k	s_ctl_op.u4_size = sizeof(impeg2d_ctl_set_processor_op_t);
271
272	6.49k	ivd_api_function(mCodec, (void )&s_ctl_ip, (void )&s_ctl_op);
273	6.49k	}
274	18.1k	void Codec::freeFrame() {
275	46.2k	for (int i = 0; i < mOutBufHandle.u4_num_bufs; i++) {
276	28.1k	if (mOutBufHandle.pu1_bufs[i]) {
277	28.1k	free(mOutBufHandle.pu1_bufs[i]);
278	28.1k	mOutBufHandle.pu1_bufs[i] = nullptr;
279	28.1k	}
280	28.1k	}
281	18.1k	}
282
283	11.6k	void Codec::allocFrame() {
284	11.6k	size_t sizes[4] = {0};
285	11.6k	size_t num_bufs = 0;
286
287	11.6k	freeFrame();
288
289	11.6k	memset(&mOutBufHandle, 0, sizeof(mOutBufHandle));
290
291	11.6k	switch (mColorFormat) {
292	3.08k	case IV_YUV_420SP_UV:
293	3.08k	[[fallthrough]];
294	6.81k	case IV_YUV_420SP_VU:
295	6.81k	sizes[0] = mWidth * mHeight;
296	6.81k	sizes[1] = ALIGN2(mWidth) * ALIGN2(mHeight) >> 1;
297	6.81k	num_bufs = 2;
298	6.81k	break;
299	0	case IV_YUV_422ILE:
300	0	sizes[0] = mWidth * mHeight * 2;
301	0	num_bufs = 1;
302	0	break;
303	0	case IV_RGB_565:
304	0	sizes[0] = mWidth * mHeight * 2;
305	0	num_bufs = 1;
306	0	break;
307	0	case IV_RGBA_8888:
308	0	sizes[0] = mWidth * mHeight * 4;
309	0	num_bufs = 1;
310	0	break;
311	4.82k	case IV_YUV_420P:
312	4.82k	[[fallthrough]];
313	4.82k	default:
314	4.82k	sizes[0] = mWidth * mHeight;
315	4.82k	sizes[1] = ALIGN2(mWidth) * ALIGN2(mHeight) >> 2;
316	4.82k	sizes[2] = ALIGN2(mWidth) * ALIGN2(mHeight) >> 2;
317	4.82k	num_bufs = 3;
318	4.82k	break;
319	11.6k	}
320	11.6k	mOutBufHandle.u4_num_bufs = num_bufs;
321	39.7k	for (int i = 0; i < num_bufs; i++) {
322	28.1k	mOutBufHandle.u4_min_out_buf_size[i] = sizes[i];
323	28.1k	void *buf = NULL;
324	28.1k	if (0 != posix_memalign(&buf, 16, sizes[i])) {
325	0	return;
326	0	}
327	28.1k	mOutBufHandle.pu1_bufs[i] = (UWORD8 *)buf;
328	28.1k	}
329	11.6k	}
330
331	6.49k	void Codec::decodeHeader(const uint8_t *data, size_t size) {
332	6.49k	setParams(IVD_DECODE_HEADER);
333
334	15.1k	while (size > 0) {
335	14.8k	IV_API_CALL_STATUS_T ret;
336	14.8k	ivd_video_decode_ip_t dec_ip;
337	14.8k	ivd_video_decode_op_t dec_op;
338	14.8k	size_t bytes_consumed;
339
340	14.8k	memset(&dec_ip, 0, sizeof(dec_ip));
341	14.8k	memset(&dec_op, 0, sizeof(dec_op));
342
343	14.8k	dec_ip.e_cmd = IVD_CMD_VIDEO_DECODE;
344	14.8k	dec_ip.u4_ts = 0;
345	14.8k	dec_ip.pv_stream_buffer = (void *)data;
346	14.8k	dec_ip.u4_num_Bytes = size;
347	14.8k	dec_ip.u4_size = sizeof(ivd_video_decode_ip_t);
348	14.8k	dec_op.u4_size = sizeof(ivd_video_decode_op_t);
349
350	14.8k	ret = ivd_api_function(mCodec, (void )&dec_ip, (void )&dec_op);
351
352	14.8k	bytes_consumed = dec_op.u4_num_bytes_consumed;
353		/* If no bytes are consumed, then consume 4 bytes to ensure fuzzer proceeds
354		* to feed next data */
355	14.8k	if (!bytes_consumed) bytes_consumed = 4;
356
357	14.8k	bytes_consumed = std::min(size, bytes_consumed);
358
359	14.8k	data += bytes_consumed;
360	14.8k	size -= bytes_consumed;
361
362	14.8k	mWidth = std::min(dec_op.u4_pic_wd, (UWORD32)10240);
363	14.8k	mHeight = std::min(dec_op.u4_pic_ht, (UWORD32)10240);
364
365		/* Break after successful header decode */
366	14.8k	if (mWidth && mHeight) {
367	6.21k	break;
368	6.21k	}
369	14.8k	}
370		/* if width / height are invalid, set them to defaults */
371	6.49k	if (!mWidth) mWidth = 1920;
372	6.49k	if (!mHeight) mHeight = 1088;
373	6.49k	}
374
375		IV_API_CALL_STATUS_T Codec::decodeFrame(const uint8_t *data, size_t size,
376	39.4k	size_t *bytesConsumed) {
377	39.4k	IV_API_CALL_STATUS_T ret;
378	39.4k	ivd_video_decode_ip_t dec_ip;
379	39.4k	ivd_video_decode_op_t dec_op;
380
381	39.4k	memset(&dec_ip, 0, sizeof(dec_ip));
382	39.4k	memset(&dec_op, 0, sizeof(dec_op));
383
384	39.4k	dec_ip.e_cmd = IVD_CMD_VIDEO_DECODE;
385	39.4k	dec_ip.u4_ts = 0;
386	39.4k	dec_ip.pv_stream_buffer = (void *)data;
387	39.4k	dec_ip.u4_num_Bytes = size;
388	39.4k	dec_ip.u4_size = sizeof(ivd_video_decode_ip_t);
389	39.4k	dec_ip.s_out_buffer = mOutBufHandle;
390
391	39.4k	dec_op.u4_size = sizeof(ivd_video_decode_op_t);
392
393	39.4k	ret = ivd_api_function(mCodec, (void )&dec_ip, (void )&dec_op);
394	39.4k	if (IMPEG2D_UNSUPPORTED_DIMENSIONS == dec_op.u4_error_code) {
395		/* In case of unsupported resolution, reset codec */
396	6.18k	resetCodec();
397	33.2k	} else if (IVD_RES_CHANGED == (dec_op.u4_error_code & 0xFF)) {
398		/* In case of change in resolution, reset codec and feed the same data
399		* again */
400	1.69k	resetCodec();
401	1.69k	ret = ivd_api_function(mCodec, (void )&dec_ip, (void )&dec_op);
402	1.69k	}
403	39.4k	*bytesConsumed = dec_op.u4_num_bytes_consumed;
404
405		/* If no bytes are consumed, then consume 4 bytes to ensure fuzzer proceeds
406		* to feed next data */
407	39.4k	if (!bytesConsumed) bytesConsumed = 4;
408
409	39.4k	if (dec_op.u4_pic_wd && dec_op.u4_pic_ht &&
410	39.4k	(mWidth != dec_op.u4_pic_wd \|\| mHeight != dec_op.u4_pic_ht)) {
411	5.15k	mWidth = std::min(dec_op.u4_pic_wd, (UWORD32)10240);
412	5.15k	mHeight = std::min(dec_op.u4_pic_ht, (UWORD32)10240);
413	5.15k	allocFrame();
414	5.15k	}
415
416	39.4k	return ret;
417	39.4k	}
418
419	6.49k	extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
420	6.49k	if (size < 1) {
421	0	return 0;
422	0	}
423	6.49k	size_t colorFormatOfst = std::min((size_t)OFFSET_COLOR_FORMAT, size - 1);
424	6.49k	size_t numCoresOfst = std::min((size_t)OFFSET_NUM_CORES, size - 1);
425	6.49k	size_t architectureOfst = std::min((size_t)OFFSET_ARCH, size - 1);
426	6.49k	size_t architectureIdx = data[architectureOfst] % kSupportedArchitectures;
427	6.49k	IVD_ARCH_T arch = (IVD_ARCH_T)supportedArchitectures[architectureIdx];
428	6.49k	size_t colorFormatIdx = data[colorFormatOfst] % kSupportedColorFormats;
429	6.49k	IV_COLOR_FORMAT_T colorFormat =
430	6.49k	(IV_COLOR_FORMAT_T)(supportedColorFormats[colorFormatIdx]);
431	6.49k	uint32_t numCores = (data[numCoresOfst] % kMaxCores) + 1;
432	6.49k	size_t numDecodeCalls = 0;
433	6.49k	Codec *codec = new Codec(colorFormat, numCores);
434	6.49k	codec->createCodec();
435	6.49k	codec->setArchitecture(arch);
436	6.49k	codec->setCores();
437	6.49k	codec->decodeHeader(data, size);
438	6.49k	codec->setParams(IVD_DECODE_FRAME);
439	6.49k	codec->allocFrame();
440
441	45.9k	while (size > 0 && numDecodeCalls < kMaxNumDecodeCalls) {
442	39.4k	IV_API_CALL_STATUS_T ret;
443	39.4k	size_t bytesConsumed;
444	39.4k	ret = codec->decodeFrame(data, size, &bytesConsumed);
445
446	39.4k	bytesConsumed = std::min(size, bytesConsumed);
447	39.4k	data += bytesConsumed;
448	39.4k	size -= bytesConsumed;
449	39.4k	numDecodeCalls++;
450	39.4k	}
451
452	6.49k	codec->freeFrame();
453	6.49k	codec->deleteCodec();
454	6.49k	delete codec;
455	6.49k	return 0;
456	6.49k	}