/src/libavc/fuzzer/mvc_dec_fuzzer.cpp

Source
/******************************************************************************
 *
 * 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 <cstdio>
#include <cstdlib>
#include <cstring>
#include <algorithm>

#ifdef __cplusplus
extern "C"
{
#include "ih264_typedefs.h"
#include "imvcd.h"
}
#endif

#define MAX_NUM_VIEWS 6

#define NUM_COMPONENTS 3

#define NELEMENTS(x) (sizeof(x) / sizeof(x[0]))

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

static const IV_COLOR_FORMAT_T supportedColorFormats[] = {IV_YUV_420P};
static const IVD_ARCH_T supportedArchitectures[] = {ARCH_ARM_NEONINTR, ARCH_X86_GENERIC,
                                                    ARCH_X86_SSSE3, ARCH_X86_SSE42};
static const int kMaxNumDecodeCalls = 1000;
static const int kSupportedColorFormats = NELEMENTS(supportedColorFormats);
static const int kSupportedArchitectures = NELEMENTS(supportedArchitectures);
static const int kMaxCores = 3;

static inline void *mvcd_aligned_malloc(void *pv_ctxt, WORD32 alignment, WORD32 i4_size)
{
    void *buf = nullptr;
    (void) pv_ctxt;

    if(0 != posix_memalign(&buf, alignment, i4_size))
    {
        return nullptr;
    }

    return buf;
}

static inline void mvcd_aligned_free(void *pv_ctxt, void *pv_buf)
{
    (void) pv_ctxt;
    free(pv_buf);
}

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

    void resetCodec();
    WORD32 allocFrame();
    void freeFrame();
    IV_API_CALL_STATUS_T 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 setArchitecture(IVD_ARCH_T arch);
    void setBufInfo();
    void setCores();

    ivd_out_bufdesc_t *getOutBuf() { return &mOutBufHandle; }

    iv_yuv_buf_t *getViewDispBuf(UWORD16 u2_view_id = 0) { return &as_view_disp_bufs[u2_view_id]; }

    UWORD32 getNumViews() { return mBufInfo.s_mvc_buf_info.u2_num_views; }

    iv_obj_t *getCodecHandle() { return mCodec; }

   private:
    iv_obj_t *mCodec;
    ivd_out_bufdesc_t mOutBufHandle;
    iv_yuv_buf_t as_view_disp_bufs[MAX_NUM_VIEWS];
    imvcd_get_buf_info_op_t mBufInfo;
    IV_COLOR_FORMAT_T mColorFormat;
    size_t mNumCores;
    uint32_t mWidth;
    uint32_t mHeight;
};

Codec::Codec(IV_COLOR_FORMAT_T colorFormat, size_t numCores)
    : mCodec(nullptr), mColorFormat(colorFormat), mNumCores(numCores), mWidth(0), mHeight(0)
{
    imvcd_create_ip_t s_create_ip;
    imvcd_create_op_t s_create_op;

    s_create_ip.s_ivd_ip.e_cmd = IVD_CMD_CREATE;
    s_create_ip.s_ivd_ip.e_output_format = colorFormat;
    s_create_ip.s_ivd_ip.pf_aligned_alloc = mvcd_aligned_malloc;
    s_create_ip.s_ivd_ip.pf_aligned_free = mvcd_aligned_free;
    s_create_ip.s_ivd_ip.u4_share_disp_buf = 0;
    s_create_ip.s_ivd_ip.pv_mem_ctxt = nullptr;

    s_create_ip.s_ivd_ip.u4_size = sizeof(s_create_ip.s_ivd_ip);
    s_create_op.s_ivd_op.u4_size = sizeof(s_create_op.s_ivd_op);

    imvcd_api_function(NULL, &s_create_ip, &s_create_op);

    mCodec = static_cast<iv_obj_t *>(s_create_op.s_ivd_op.pv_handle);

    setCores();

    memset(getOutBuf(), 0, sizeof(getOutBuf()[0]));
}

Codec::~Codec()
{
    imvcd_delete_ip_t s_delete_ip;
    imvcd_delete_op_t s_delete_op;

    s_delete_ip.s_ivd_ip.e_cmd = IVD_CMD_DELETE;

    s_delete_ip.s_ivd_ip.u4_size = sizeof(s_delete_ip.s_ivd_ip);
    s_delete_op.s_ivd_op.u4_size = sizeof(s_delete_op.s_ivd_op);

    imvcd_api_function(mCodec, &s_delete_ip, &s_delete_op);
}

void Codec::setCores()
{
    imvcd_set_num_cores_ip_t s_ctl_ip;
    imvcd_set_num_cores_op_t s_ctl_op;

    s_ctl_ip.u4_size = sizeof(s_ctl_ip);
    s_ctl_op.u4_size = sizeof(s_ctl_op);
    s_ctl_ip.e_cmd = IVD_CMD_VIDEO_CTL;
    s_ctl_ip.e_sub_cmd = static_cast<IVD_CONTROL_API_COMMAND_TYPE_T>(IMVCD_CTL_SET_NUM_CORES);
    s_ctl_ip.u4_num_cores = mNumCores;

    imvcd_api_function(mCodec, &s_ctl_ip, &s_ctl_op);
}

void Codec::setArchitecture(IVD_ARCH_T e_arch)
{
    imvcd_set_arch_ip_t s_ctl_ip;
    imvcd_set_arch_op_t s_ctl_op;

    s_ctl_ip.u4_size = sizeof(s_ctl_ip);
    s_ctl_op.u4_size = sizeof(s_ctl_op);
    s_ctl_ip.e_cmd = IVD_CMD_VIDEO_CTL;
    s_ctl_ip.e_sub_cmd = static_cast<IVD_CONTROL_API_COMMAND_TYPE_T>(IMVCD_CTL_SET_PROCESSOR);
    s_ctl_ip.e_arch = e_arch;
    s_ctl_ip.e_soc = SOC_GENERIC;

    imvcd_api_function(mCodec, &s_ctl_ip, &s_ctl_op);
}

void Codec::setBufInfo()
{
    imvcd_get_buf_info_ip_t s_ctl_ip;
    imvcd_get_buf_info_op_t s_ctl_op;

    s_ctl_ip.s_ivd_ip.u4_size = sizeof(s_ctl_ip.s_ivd_ip);
    s_ctl_op.s_ivd_op.u4_size = sizeof(s_ctl_op.s_ivd_op);
    s_ctl_ip.s_ivd_ip.e_cmd = IVD_CMD_VIDEO_CTL;
    s_ctl_ip.s_ivd_ip.e_sub_cmd =
        static_cast<IVD_CONTROL_API_COMMAND_TYPE_T>(IVD_CMD_CTL_GETBUFINFO);

    imvcd_api_function(mCodec, &s_ctl_ip, &s_ctl_op);

    mBufInfo = s_ctl_op;
}

WORD32 Codec::allocFrame()
{
    if(getNumViews() > MAX_NUM_VIEWS)
    {
        return IV_FAIL;
    }

    if(mBufInfo.s_ivd_op.u4_min_num_out_bufs < (NUM_COMPONENTS * getNumViews()))
    {
        return IV_FAIL;
    }

    getOutBuf()->u4_num_bufs = mBufInfo.s_ivd_op.u4_min_num_out_bufs;

    for(UWORD32 i = 0; i < getOutBuf()->u4_num_bufs; i++)
    {
        getOutBuf()->u4_min_out_buf_size[i] = mBufInfo.s_ivd_op.u4_min_out_buf_size[i];
        getOutBuf()->pu1_bufs[i] =
            (UWORD8 *) mvcd_aligned_malloc(nullptr, 16, mBufInfo.s_ivd_op.u4_min_out_buf_size[i]);

        if(getOutBuf()->pu1_bufs[i] == nullptr)
        {
            return IV_FAIL;
        }
    }

    return IV_SUCCESS;
}

void Codec::freeFrame()
{
    for(UWORD32 i = 0; i < getOutBuf()->u4_num_bufs; i++)
    {
        if(getOutBuf()->pu1_bufs[i])
        {
            mvcd_aligned_free(nullptr, getOutBuf()->pu1_bufs[i]);
            getOutBuf()->pu1_bufs[i] = nullptr;
        }
    }
}

static void sendDecodeSignal(iv_obj_t *psCodec, IVD_VIDEO_DECODE_MODE_T eDecMode)
{
    imvcd_set_config_ip_t s_ctl_ip;
    imvcd_set_config_op_t s_ctl_op;

    s_ctl_ip.s_ivd_ip.u4_size = sizeof(s_ctl_ip.s_ivd_ip);
    s_ctl_op.s_ivd_op.u4_size = sizeof(s_ctl_op.s_ivd_op);
    s_ctl_ip.s_ivd_ip.e_cmd = IVD_CMD_VIDEO_CTL;
    s_ctl_ip.s_ivd_ip.e_sub_cmd =
        static_cast<IVD_CONTROL_API_COMMAND_TYPE_T>(IVD_CMD_CTL_SETPARAMS);

    s_ctl_ip.s_ivd_ip.e_frm_out_mode = IVD_DISPLAY_FRAME_OUT;
    s_ctl_ip.s_ivd_ip.e_frm_skip_mode = IVD_SKIP_NONE;
    s_ctl_ip.s_ivd_ip.e_vid_dec_mode = eDecMode;

    imvcd_api_function(psCodec, &s_ctl_ip, &s_ctl_op);
}

IV_API_CALL_STATUS_T Codec::decodeHeader(const uint8_t *data, size_t size)
{
    IV_API_CALL_STATUS_T ret;

    WORD32 numBytesRemaining = size;

    sendDecodeSignal(mCodec, IVD_DECODE_HEADER);

    while(size > 0)
    {
        imvcd_video_decode_ip_t s_video_decode_ip;
        imvcd_video_decode_op_t s_video_decode_op;

        UWORD32 u4_num_bytes_dec = 0;

        memset(&s_video_decode_ip, 0, sizeof(s_video_decode_ip));
        memset(&s_video_decode_op, 0, sizeof(s_video_decode_op));

        s_video_decode_ip.s_ivd_ip.e_cmd = IVD_CMD_VIDEO_DECODE;
        s_video_decode_ip.s_ivd_ip.u4_ts = 0;
        s_video_decode_ip.s_ivd_ip.pv_stream_buffer =
            static_cast<void *>(const_cast<uint8_t *>(data));
        s_video_decode_ip.s_ivd_ip.u4_num_Bytes = numBytesRemaining;
        s_video_decode_ip.s_ivd_ip.s_out_buffer = getOutBuf()[0];
        s_video_decode_op.ps_view_disp_bufs = getViewDispBuf();

        s_video_decode_ip.s_ivd_ip.u4_size = sizeof(s_video_decode_ip.s_ivd_ip);
        s_video_decode_op.s_ivd_op.u4_size = sizeof(s_video_decode_op.s_ivd_op);

        ret = imvcd_api_function(mCodec, &s_video_decode_ip, &s_video_decode_op);

        if(IV_SUCCESS != ret)
        {
            return IV_FAIL;
        }

        u4_num_bytes_dec = s_video_decode_op.s_ivd_op.u4_num_bytes_consumed;

        data += u4_num_bytes_dec;
        numBytesRemaining -= u4_num_bytes_dec;
        mWidth = s_video_decode_op.s_ivd_op.u4_pic_wd;
        mHeight = s_video_decode_op.s_ivd_op.u4_pic_ht;

        /* 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 = 1080;
    }

    setBufInfo();

    return IV_SUCCESS;
}

IV_API_CALL_STATUS_T Codec::decodeFrame(const uint8_t *data, size_t size, size_t *bytesConsumed)
{
    imvcd_video_decode_ip_t s_video_decode_ip;
    imvcd_video_decode_op_t s_video_decode_op;

    IV_API_CALL_STATUS_T ret;

    memset(&s_video_decode_ip, 0, sizeof(s_video_decode_ip));
    memset(&s_video_decode_op, 0, sizeof(s_video_decode_op));

    sendDecodeSignal(mCodec, IVD_DECODE_FRAME);

    s_video_decode_ip.s_ivd_ip.e_cmd = IVD_CMD_VIDEO_DECODE;
    s_video_decode_ip.s_ivd_ip.u4_ts = 0;
    s_video_decode_ip.s_ivd_ip.pv_stream_buffer = static_cast<void *>(const_cast<uint8_t *>(data));
    s_video_decode_ip.s_ivd_ip.u4_num_Bytes = size;
    s_video_decode_ip.s_ivd_ip.s_out_buffer = getOutBuf()[0];
    s_video_decode_op.ps_view_disp_bufs = getViewDispBuf();

    s_video_decode_ip.s_ivd_ip.u4_size = sizeof(s_video_decode_ip.s_ivd_ip);
    s_video_decode_op.s_ivd_op.u4_size = sizeof(s_video_decode_op.s_ivd_op);

    ret = imvcd_api_function(mCodec, &s_video_decode_ip, &s_video_decode_op);

    bytesConsumed[0] = s_video_decode_op.s_ivd_op.u4_num_bytes_consumed;

    if(s_video_decode_op.s_ivd_op.u4_pic_wd && s_video_decode_op.s_ivd_op.u4_pic_ht &&
       ((mWidth != s_video_decode_op.s_ivd_op.u4_pic_wd) ||
        (mHeight != s_video_decode_op.s_ivd_op.u4_pic_ht)))
    {
        mWidth = s_video_decode_op.s_ivd_op.u4_pic_wd;
        mHeight = s_video_decode_op.s_ivd_op.u4_pic_ht;
        freeFrame();
        allocFrame();
    }

    return ret;
}

extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
    if(size < 1)
    {
        return 0;
    }

    WORD32 ret;

    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;
    size_t colorFormatIdx = data[colorFormatOfst] % kSupportedColorFormats;
    uint32_t numCores = (data[numCoresOfst] % kMaxCores) + 1;
    uint32_t numDecodeCalls = 0;

    IVD_ARCH_T arch = (IVD_ARCH_T) supportedArchitectures[architectureIdx];
    IV_COLOR_FORMAT_T colorFormat = (IV_COLOR_FORMAT_T) (supportedColorFormats[colorFormatIdx]);

    Codec cCodec = Codec(colorFormat, numCores);

    cCodec.setArchitecture(arch);

    ret = cCodec.decodeHeader(data, size);

    if(IV_SUCCESS != ret)
    {
        return 0;
    }

    ret = cCodec.allocFrame();

    if(IV_SUCCESS != ret)
    {
        cCodec.freeFrame();

        return 0;
    }

    while((size > 0) && (numDecodeCalls < kMaxNumDecodeCalls))
    {
        size_t bytesConsumed;

        IV_API_CALL_STATUS_T ret = cCodec.decodeFrame(data, size, &bytesConsumed);

        if(ret != IV_SUCCESS)
        {
            break;
        }

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

    cCodec.freeFrame();

    return 0;
}

Coverage Report

Created: 2025-09-27 06:50

Line	Count	Source
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		#include <cstdio>
21		#include <cstdlib>
22		#include <cstring>
23		#include <algorithm>
24
25		#ifdef __cplusplus
26		extern "C"
27		{
28		#include "ih264_typedefs.h"
29		#include "imvcd.h"
30		}
31		#endif
32
33	12.8k	#define MAX_NUM_VIEWS 6
34
35	12.8k	#define NUM_COMPONENTS 3
36
37		#define NELEMENTS(x) (sizeof(x) / sizeof(x[0]))
38
39		typedef enum ARG_OFFSETS_T
40		{
41		OFFSET_COLOR_FORMAT = 6,
42		OFFSET_NUM_CORES,
43		OFFSET_ARCH,
44		/* Should be the last entry */
45		OFFSET_MAX,
46		} ARG_OFFSETS_T;
47
48		static const IV_COLOR_FORMAT_T supportedColorFormats[] = {IV_YUV_420P};
49		static const IVD_ARCH_T supportedArchitectures[] = {ARCH_ARM_NEONINTR, ARCH_X86_GENERIC,
50		ARCH_X86_SSSE3, ARCH_X86_SSE42};
51		static const int kMaxNumDecodeCalls = 1000;
52		static const int kSupportedColorFormats = NELEMENTS(supportedColorFormats);
53		static const int kSupportedArchitectures = NELEMENTS(supportedArchitectures);
54		static const int kMaxCores = 3;
55
56		static inline void mvcd_aligned_malloc(void pv_ctxt, WORD32 alignment, WORD32 i4_size)
57	710k	{
58	710k	void *buf = nullptr;
59	710k	(void) pv_ctxt;
60
61	710k	if(0 != posix_memalign(&buf, alignment, i4_size))
62	0	{
63	0	return nullptr;
64	0	}
65
66	710k	return buf;
67	710k	}
68
69		static inline void mvcd_aligned_free(void pv_ctxt, void pv_buf)
70	710k	{
71	710k	(void) pv_ctxt;
72	710k	free(pv_buf);
73	710k	}
74
75		class Codec
76		{
77		public:
78		Codec(IV_COLOR_FORMAT_T colorFormat, size_t numCores);
79		~Codec();
80
81		void resetCodec();
82		WORD32 allocFrame();
83		void freeFrame();
84		IV_API_CALL_STATUS_T decodeHeader(const uint8_t *data, size_t size);
85		IV_API_CALL_STATUS_T decodeFrame(const uint8_t data, size_t size, size_t bytesConsumed);
86		void setArchitecture(IVD_ARCH_T arch);
87		void setBufInfo();
88		void setCores();
89
90	508k	ivd_out_bufdesc_t *getOutBuf() { return &mOutBufHandle; }
91
92	140k	iv_yuv_buf_t *getViewDispBuf(UWORD16 u2_view_id = 0) { return &as_view_disp_bufs[u2_view_id]; }
93
94	25.7k	UWORD32 getNumViews() { return mBufInfo.s_mvc_buf_info.u2_num_views; }
95
96	0	iv_obj_t *getCodecHandle() { return mCodec; }
97
98		private:
99		iv_obj_t *mCodec;
100		ivd_out_bufdesc_t mOutBufHandle;
101		iv_yuv_buf_t as_view_disp_bufs[MAX_NUM_VIEWS];
102		imvcd_get_buf_info_op_t mBufInfo;
103		IV_COLOR_FORMAT_T mColorFormat;
104		size_t mNumCores;
105		uint32_t mWidth;
106		uint32_t mHeight;
107		};
108
109		Codec::Codec(IV_COLOR_FORMAT_T colorFormat, size_t numCores)
110	39.2k	: mCodec(nullptr), mColorFormat(colorFormat), mNumCores(numCores), mWidth(0), mHeight(0)
111	39.2k	{
112	39.2k	imvcd_create_ip_t s_create_ip;
113	39.2k	imvcd_create_op_t s_create_op;
114
115	39.2k	s_create_ip.s_ivd_ip.e_cmd = IVD_CMD_CREATE;
116	39.2k	s_create_ip.s_ivd_ip.e_output_format = colorFormat;
117	39.2k	s_create_ip.s_ivd_ip.pf_aligned_alloc = mvcd_aligned_malloc;
118	39.2k	s_create_ip.s_ivd_ip.pf_aligned_free = mvcd_aligned_free;
119	39.2k	s_create_ip.s_ivd_ip.u4_share_disp_buf = 0;
120	39.2k	s_create_ip.s_ivd_ip.pv_mem_ctxt = nullptr;
121
122	39.2k	s_create_ip.s_ivd_ip.u4_size = sizeof(s_create_ip.s_ivd_ip);
123	39.2k	s_create_op.s_ivd_op.u4_size = sizeof(s_create_op.s_ivd_op);
124
125	39.2k	imvcd_api_function(NULL, &s_create_ip, &s_create_op);
126
127	39.2k	mCodec = static_cast<iv_obj_t *>(s_create_op.s_ivd_op.pv_handle);
128
129	39.2k	setCores();
130
131	39.2k	memset(getOutBuf(), 0, sizeof(getOutBuf()[0]));
132	39.2k	}
133
134		Codec::~Codec()
135	48.5k	{
136	48.5k	imvcd_delete_ip_t s_delete_ip;
137	48.5k	imvcd_delete_op_t s_delete_op;
138
139	48.5k	s_delete_ip.s_ivd_ip.e_cmd = IVD_CMD_DELETE;
140
141	48.5k	s_delete_ip.s_ivd_ip.u4_size = sizeof(s_delete_ip.s_ivd_ip);
142	48.5k	s_delete_op.s_ivd_op.u4_size = sizeof(s_delete_op.s_ivd_op);
143
144	48.5k	imvcd_api_function(mCodec, &s_delete_ip, &s_delete_op);
145	48.5k	}
146
147		void Codec::setCores()
148	39.2k	{
149	39.2k	imvcd_set_num_cores_ip_t s_ctl_ip;
150	39.2k	imvcd_set_num_cores_op_t s_ctl_op;
151
152	39.2k	s_ctl_ip.u4_size = sizeof(s_ctl_ip);
153	39.2k	s_ctl_op.u4_size = sizeof(s_ctl_op);
154	39.2k	s_ctl_ip.e_cmd = IVD_CMD_VIDEO_CTL;
155	39.2k	s_ctl_ip.e_sub_cmd = static_cast<IVD_CONTROL_API_COMMAND_TYPE_T>(IMVCD_CTL_SET_NUM_CORES);
156	39.2k	s_ctl_ip.u4_num_cores = mNumCores;
157
158	39.2k	imvcd_api_function(mCodec, &s_ctl_ip, &s_ctl_op);
159	39.2k	}
160
161		void Codec::setArchitecture(IVD_ARCH_T e_arch)
162	39.2k	{
163	39.2k	imvcd_set_arch_ip_t s_ctl_ip;
164	39.2k	imvcd_set_arch_op_t s_ctl_op;
165
166	39.2k	s_ctl_ip.u4_size = sizeof(s_ctl_ip);
167	39.2k	s_ctl_op.u4_size = sizeof(s_ctl_op);
168	39.2k	s_ctl_ip.e_cmd = IVD_CMD_VIDEO_CTL;
169	39.2k	s_ctl_ip.e_sub_cmd = static_cast<IVD_CONTROL_API_COMMAND_TYPE_T>(IMVCD_CTL_SET_PROCESSOR);
170	39.2k	s_ctl_ip.e_arch = e_arch;
171	39.2k	s_ctl_ip.e_soc = SOC_GENERIC;
172
173	39.2k	imvcd_api_function(mCodec, &s_ctl_ip, &s_ctl_op);
174	39.2k	}
175
176		void Codec::setBufInfo()
177	12.8k	{
178	12.8k	imvcd_get_buf_info_ip_t s_ctl_ip;
179	12.8k	imvcd_get_buf_info_op_t s_ctl_op;
180
181	12.8k	s_ctl_ip.s_ivd_ip.u4_size = sizeof(s_ctl_ip.s_ivd_ip);
182	12.8k	s_ctl_op.s_ivd_op.u4_size = sizeof(s_ctl_op.s_ivd_op);
183	12.8k	s_ctl_ip.s_ivd_ip.e_cmd = IVD_CMD_VIDEO_CTL;
184	12.8k	s_ctl_ip.s_ivd_ip.e_sub_cmd =
185	12.8k	static_cast<IVD_CONTROL_API_COMMAND_TYPE_T>(IVD_CMD_CTL_GETBUFINFO);
186
187	12.8k	imvcd_api_function(mCodec, &s_ctl_ip, &s_ctl_op);
188
189	12.8k	mBufInfo = s_ctl_op;
190	12.8k	}
191
192		WORD32 Codec::allocFrame()
193	12.8k	{
194	12.8k	if(getNumViews() > MAX_NUM_VIEWS)
195	0	{
196	0	return IV_FAIL;
197	0	}
198
199	12.8k	if(mBufInfo.s_ivd_op.u4_min_num_out_bufs < (NUM_COMPONENTS * getNumViews()))
200	0	{
201	0	return IV_FAIL;
202	0	}
203
204	12.8k	getOutBuf()->u4_num_bufs = mBufInfo.s_ivd_op.u4_min_num_out_bufs;
205
206	52.1k	for(UWORD32 i = 0; i < getOutBuf()->u4_num_bufs; i++)
207	39.3k	{
208	39.3k	getOutBuf()->u4_min_out_buf_size[i] = mBufInfo.s_ivd_op.u4_min_out_buf_size[i];
209	39.3k	getOutBuf()->pu1_bufs[i] =
210	39.3k	(UWORD8 *) mvcd_aligned_malloc(nullptr, 16, mBufInfo.s_ivd_op.u4_min_out_buf_size[i]);
211
212	39.3k	if(getOutBuf()->pu1_bufs[i] == nullptr)
213	0	{
214	0	return IV_FAIL;
215	0	}
216	39.3k	}
217
218	12.8k	return IV_SUCCESS;
219	12.8k	}
220
221		void Codec::freeFrame()
222	80.4k	{
223	224k	for(UWORD32 i = 0; i < getOutBuf()->u4_num_bufs; i++)
224	143k	{
225	143k	if(getOutBuf()->pu1_bufs[i])
226	143k	{
227	143k	mvcd_aligned_free(nullptr, getOutBuf()->pu1_bufs[i]);
228	143k	getOutBuf()->pu1_bufs[i] = nullptr;
229	143k	}
230	143k	}
231	80.4k	}
232
233		static void sendDecodeSignal(iv_obj_t *psCodec, IVD_VIDEO_DECODE_MODE_T eDecMode)
234	140k	{
235	140k	imvcd_set_config_ip_t s_ctl_ip;
236	140k	imvcd_set_config_op_t s_ctl_op;
237
238	140k	s_ctl_ip.s_ivd_ip.u4_size = sizeof(s_ctl_ip.s_ivd_ip);
239	140k	s_ctl_op.s_ivd_op.u4_size = sizeof(s_ctl_op.s_ivd_op);
240	140k	s_ctl_ip.s_ivd_ip.e_cmd = IVD_CMD_VIDEO_CTL;
241	140k	s_ctl_ip.s_ivd_ip.e_sub_cmd =
242	140k	static_cast<IVD_CONTROL_API_COMMAND_TYPE_T>(IVD_CMD_CTL_SETPARAMS);
243
244	140k	s_ctl_ip.s_ivd_ip.e_frm_out_mode = IVD_DISPLAY_FRAME_OUT;
245	140k	s_ctl_ip.s_ivd_ip.e_frm_skip_mode = IVD_SKIP_NONE;
246	140k	s_ctl_ip.s_ivd_ip.e_vid_dec_mode = eDecMode;
247
248	140k	imvcd_api_function(psCodec, &s_ctl_ip, &s_ctl_op);
249	140k	}
250
251		IV_API_CALL_STATUS_T Codec::decodeHeader(const uint8_t *data, size_t size)
252	15.2k	{
253	15.2k	IV_API_CALL_STATUS_T ret;
254
255	15.2k	WORD32 numBytesRemaining = size;
256
257	15.2k	sendDecodeSignal(mCodec, IVD_DECODE_HEADER);
258
259	15.2k	while(size > 0)
260	15.2k	{
261	15.2k	imvcd_video_decode_ip_t s_video_decode_ip;
262	15.2k	imvcd_video_decode_op_t s_video_decode_op;
263
264	15.2k	UWORD32 u4_num_bytes_dec = 0;
265
266	15.2k	memset(&s_video_decode_ip, 0, sizeof(s_video_decode_ip));
267	15.2k	memset(&s_video_decode_op, 0, sizeof(s_video_decode_op));
268
269	15.2k	s_video_decode_ip.s_ivd_ip.e_cmd = IVD_CMD_VIDEO_DECODE;
270	15.2k	s_video_decode_ip.s_ivd_ip.u4_ts = 0;
271	15.2k	s_video_decode_ip.s_ivd_ip.pv_stream_buffer =
272	15.2k	static_cast<void >(const_cast<uint8_t >(data));
273	15.2k	s_video_decode_ip.s_ivd_ip.u4_num_Bytes = numBytesRemaining;
274	15.2k	s_video_decode_ip.s_ivd_ip.s_out_buffer = getOutBuf()[0];
275	15.2k	s_video_decode_op.ps_view_disp_bufs = getViewDispBuf();
276
277	15.2k	s_video_decode_ip.s_ivd_ip.u4_size = sizeof(s_video_decode_ip.s_ivd_ip);
278	15.2k	s_video_decode_op.s_ivd_op.u4_size = sizeof(s_video_decode_op.s_ivd_op);
279
280	15.2k	ret = imvcd_api_function(mCodec, &s_video_decode_ip, &s_video_decode_op);
281
282	15.2k	if(IV_SUCCESS != ret)
283	2.39k	{
284	2.39k	return IV_FAIL;
285	2.39k	}
286
287	12.8k	u4_num_bytes_dec = s_video_decode_op.s_ivd_op.u4_num_bytes_consumed;
288
289	12.8k	data += u4_num_bytes_dec;
290	12.8k	numBytesRemaining -= u4_num_bytes_dec;
291	12.8k	mWidth = s_video_decode_op.s_ivd_op.u4_pic_wd;
292	12.8k	mHeight = s_video_decode_op.s_ivd_op.u4_pic_ht;
293
294		/* Break after successful header decode */
295	12.8k	if(mWidth && mHeight)
296	12.8k	{
297	12.8k	break;
298	12.8k	}
299	12.8k	}
300
301		/* if width / height are invalid, set them to defaults */
302	12.8k	if(!mWidth)
303	0	{
304	0	mWidth = 1920;
305	0	}
306
307	12.8k	if(!mHeight)
308	0	{
309	0	mHeight = 1080;
310	0	}
311
312	12.8k	setBufInfo();
313
314	12.8k	return IV_SUCCESS;
315	15.2k	}
316
317		IV_API_CALL_STATUS_T Codec::decodeFrame(const uint8_t data, size_t size, size_t bytesConsumed)
318	124k	{
319	124k	imvcd_video_decode_ip_t s_video_decode_ip;
320	124k	imvcd_video_decode_op_t s_video_decode_op;
321
322	124k	IV_API_CALL_STATUS_T ret;
323
324	124k	memset(&s_video_decode_ip, 0, sizeof(s_video_decode_ip));
325	124k	memset(&s_video_decode_op, 0, sizeof(s_video_decode_op));
326
327	124k	sendDecodeSignal(mCodec, IVD_DECODE_FRAME);
328
329	124k	s_video_decode_ip.s_ivd_ip.e_cmd = IVD_CMD_VIDEO_DECODE;
330	124k	s_video_decode_ip.s_ivd_ip.u4_ts = 0;
331	124k	s_video_decode_ip.s_ivd_ip.pv_stream_buffer = static_cast<void >(const_cast<uint8_t >(data));
332	124k	s_video_decode_ip.s_ivd_ip.u4_num_Bytes = size;
333	124k	s_video_decode_ip.s_ivd_ip.s_out_buffer = getOutBuf()[0];
334	124k	s_video_decode_op.ps_view_disp_bufs = getViewDispBuf();
335
336	124k	s_video_decode_ip.s_ivd_ip.u4_size = sizeof(s_video_decode_ip.s_ivd_ip);
337	124k	s_video_decode_op.s_ivd_op.u4_size = sizeof(s_video_decode_op.s_ivd_op);
338
339	124k	ret = imvcd_api_function(mCodec, &s_video_decode_ip, &s_video_decode_op);
340
341	124k	bytesConsumed[0] = s_video_decode_op.s_ivd_op.u4_num_bytes_consumed;
342
343	124k	if(s_video_decode_op.s_ivd_op.u4_pic_wd && s_video_decode_op.s_ivd_op.u4_pic_ht &&
344	115k	((mWidth != s_video_decode_op.s_ivd_op.u4_pic_wd) \|\|
345	115k	(mHeight != s_video_decode_op.s_ivd_op.u4_pic_ht)))
346	0	{
347	0	mWidth = s_video_decode_op.s_ivd_op.u4_pic_wd;
348	0	mHeight = s_video_decode_op.s_ivd_op.u4_pic_ht;
349	0	freeFrame();
350	0	allocFrame();
351	0	}
352
353	124k	return ret;
354	124k	}
355
356		extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
357	15.2k	{
358	15.2k	if(size < 1)
359	0	{
360	0	return 0;
361	0	}
362
363	15.2k	WORD32 ret;
364
365	15.2k	size_t colorFormatOfst = std::min((size_t) OFFSET_COLOR_FORMAT, size - 1);
366	15.2k	size_t numCoresOfst = std::min((size_t) OFFSET_NUM_CORES, size - 1);
367	15.2k	size_t architectureOfst = std::min((size_t) OFFSET_ARCH, size - 1);
368	15.2k	size_t architectureIdx = data[architectureOfst] % kSupportedArchitectures;
369	15.2k	size_t colorFormatIdx = data[colorFormatOfst] % kSupportedColorFormats;
370	15.2k	uint32_t numCores = (data[numCoresOfst] % kMaxCores) + 1;
371	15.2k	uint32_t numDecodeCalls = 0;
372
373	15.2k	IVD_ARCH_T arch = (IVD_ARCH_T) supportedArchitectures[architectureIdx];
374	15.2k	IV_COLOR_FORMAT_T colorFormat = (IV_COLOR_FORMAT_T) (supportedColorFormats[colorFormatIdx]);
375
376	15.2k	Codec cCodec = Codec(colorFormat, numCores);
377
378	15.2k	cCodec.setArchitecture(arch);
379
380	15.2k	ret = cCodec.decodeHeader(data, size);
381
382	15.2k	if(IV_SUCCESS != ret)
383	2.39k	{
384	2.39k	return 0;
385	2.39k	}
386
387	12.8k	ret = cCodec.allocFrame();
388
389	12.8k	if(IV_SUCCESS != ret)
390	0	{
391	0	cCodec.freeFrame();
392
393	0	return 0;
394	0	}
395
396	128k	while((size > 0) && (numDecodeCalls < kMaxNumDecodeCalls))
397	124k	{
398	124k	size_t bytesConsumed;
399
400	124k	IV_API_CALL_STATUS_T ret = cCodec.decodeFrame(data, size, &bytesConsumed);
401
402	124k	if(ret != IV_SUCCESS)
403	9.48k	{
404	9.48k	break;
405	9.48k	}
406
407	115k	bytesConsumed = std::min(size, bytesConsumed);
408	115k	data += bytesConsumed;
409	115k	size -= bytesConsumed;
410	115k	numDecodeCalls++;
411	115k	}
412
413	12.8k	cCodec.freeFrame();
414
415	12.8k	return 0;
416	12.8k	}