Shalaj Jain | 273b3e0 | 2012-06-22 19:08:03 -0700 | [diff] [blame^] | 1 | /*--------------------------------------------------------------------------
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| 2 | Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
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| 3 |
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| 4 | Redistribution and use in source and binary forms, with or without
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| 5 | modification, are permitted provided that the following conditions are met:
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| 6 | * Redistributions of source code must retain the above copyright
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| 7 | notice, this list of conditions and the following disclaimer.
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| 8 | * Redistributions in binary form must reproduce the above copyright
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| 9 | notice, this list of conditions and the following disclaimer in the
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| 10 | documentation and/or other materials provided with the distribution.
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| 11 | * Neither the name of Code Aurora nor
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| 12 | the names of its contributors may be used to endorse or promote
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| 13 | products derived from this software without specific prior written
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| 14 | permission.
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| 15 |
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| 16 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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| 17 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 18 | IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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| 19 | NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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| 20 | CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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| 21 | EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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| 22 | PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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| 23 | OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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| 24 | WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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| 25 | OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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| 26 | ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | --------------------------------------------------------------------------*/
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| 28 | #include "video_encoder_test.h"
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| 29 |
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| 30 | #define DEBUG_PRINT printf
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| 31 | /************************************************************************/
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| 32 | /* #DEFINES */
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| 33 | /************************************************************************/
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| 34 |
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| 35 | #define VOP_START_CODE 0x000001B6
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| 36 | #define SHORT_HEADER_START_CODE 0x00008000
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| 37 | #define H264_START_CODE 0x00000001
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| 38 |
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| 39 | /************************************************************************/
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| 40 | /* STATIC VARIABLES */
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| 41 | /************************************************************************/
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| 42 |
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| 43 | static int Code_type;
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| 44 | static int total_frames = 0;
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| 45 | static unsigned int header_code = 0;
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| 46 | static pthread_mutex_t read_lock;
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| 47 |
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| 48 | static unsigned int read_frame ( unsigned char *dataptr,unsigned int length,
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| 49 | FILE * inputBufferFile
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| 50 | );
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| 51 | static unsigned clp2(unsigned x)
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| 52 | {
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| 53 | x = x - 1;
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| 54 | x = x | (x >> 1);
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| 55 | x = x | (x >> 2);
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| 56 | x = x | (x >> 4);
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| 57 | x = x | (x >> 8);
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| 58 | x = x | (x >>16);
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| 59 | return x + 1;
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| 60 | }
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| 61 |
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| 62 |
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| 63 | static void* video_thread (void *);
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| 64 | static void* async_thread (void *);
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| 65 |
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| 66 |
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| 67 |
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| 68 | int main (int argc, char **argv)
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| 69 | {
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| 70 | struct video_encoder_context *encoder_context = NULL;
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| 71 | char *file_name = NULL;
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| 72 | FILE *file_ptr = NULL;
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| 73 | int temp1 =0,temp2 =0;
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| 74 | int error = 1;
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| 75 | unsigned int i = 0;
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| 76 |
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| 77 | file_name = argv [1];
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| 78 | file_ptr = fopen (file_name,"rb");
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| 79 |
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| 80 | if (file_ptr == NULL)
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| 81 | {
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| 82 | DEBUG_PRINT("\n File is not located ");
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| 83 | return -1;
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| 84 | }
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| 85 |
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| 86 |
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| 87 | encoder_context = (struct video_encoder_context *) \
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| 88 | calloc (sizeof (struct video_encoder_context),1);
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| 89 | if (encoder_context == NULL)
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| 90 | {
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| 91 | return -1;
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| 92 | }
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| 93 | encoder_context->outputBufferFile = NULL;
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| 94 | encoder_context->inputBufferFile = NULL;
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| 95 | encoder_context->video_driver_fd = -1;
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| 96 | encoder_context->inputBufferFile = file_ptr;
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| 97 | encoder_context->input_width = 176;
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| 98 | encoder_context->input_height = 144;
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| 99 | encoder_context->codectype = VEN_CODEC_MPEG4;
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| 100 | encoder_context->fps_num = 60;
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| 101 | encoder_context->fps_den = 2;
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| 102 | encoder_context->inputformat = VEN_INPUTFMT_NV12;
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| 103 | encoder_context->targetbitrate = 128000;
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| 104 |
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| 105 | file_ptr = fopen ("/data/output.m4v","wb");
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| 106 | if (file_ptr == NULL)
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| 107 | {
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| 108 | DEBUG_PRINT("\n File can't be created");
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| 109 | free (encoder_context);
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| 110 | return -1;
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| 111 | }
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| 112 | encoder_context->outputBufferFile = file_ptr;
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| 113 |
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| 114 | switch (atoi(argv[2]))
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| 115 | {
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| 116 | case 0:
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| 117 | DEBUG_PRINT("\n MPEG4 codec selected");
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| 118 | encoder_context->codectype = VEN_CODEC_MPEG4;
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| 119 | Code_type = 0;
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| 120 | break;
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| 121 | case 1:
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| 122 | DEBUG_PRINT("\n H.263");
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| 123 | encoder_context->codectype = VEN_CODEC_H263;
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| 124 | Code_type = 0;
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| 125 | break;
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| 126 | case 2:
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| 127 | DEBUG_PRINT("\n H.264");
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| 128 | encoder_context->codectype = VEN_CODEC_H264;
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| 129 | Code_type = 1;
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| 130 | break;
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| 131 | default:
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| 132 | DEBUG_PRINT("\n Wrong codec type");
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| 133 | error = -1;
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| 134 | break;
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| 135 | }
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| 136 |
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| 137 | if (error != -1)
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| 138 | {
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| 139 | temp1 = atoi(argv[3]);
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| 140 | temp2 = atoi(argv[4]);
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| 141 |
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| 142 | if (((temp1%16) != 0) || ((temp2%16) != 0))
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| 143 | {
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| 144 | error = -1;
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| 145 | }
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| 146 | else
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| 147 | {
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| 148 | encoder_context->input_width = temp1;
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| 149 | encoder_context->input_height = temp2;
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| 150 | }
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| 151 | }
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| 152 |
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| 153 | switch (atoi(argv[5]))
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| 154 | {
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| 155 | case 0:
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| 156 | DEBUG_PRINT("\n No Sink");
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| 157 | encoder_context->outputBufferFile = NULL;
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| 158 | break;
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| 159 | }
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| 160 |
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| 161 | if (error != -1)
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| 162 | {
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| 163 | encoder_context->targetbitrate = atoi (argv[6]);
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| 164 | }
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| 165 |
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| 166 | if ( error != -1 && (init_encoder (encoder_context) == -1 ))
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| 167 | {
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| 168 | DEBUG_PRINT("\n Init decoder fails ");
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| 169 | error = -1;
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| 170 | }
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| 171 | DEBUG_PRINT("\n Decoder open successfull");
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| 172 |
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| 173 |
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| 174 | /*Allocate input and output buffers*/
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| 175 | if (error != -1 && (allocate_buffer (0,encoder_context)== -1))
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| 176 | {
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| 177 | DEBUG_PRINT("\n Error in input Buffer allocation");
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| 178 | error = -1;
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| 179 | }
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| 180 |
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| 181 | if (error != -1 && (allocate_buffer (1,encoder_context)== -1))
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| 182 | {
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| 183 | DEBUG_PRINT("\n Error in output Buffer allocation");
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| 184 | error = -1;
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| 185 | }
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| 186 |
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| 187 |
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| 188 | if (error != -1 && (start_encoding (encoder_context) == -1))
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| 189 | {
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| 190 | DEBUG_PRINT("\n Error in start decoding call");
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| 191 | error = -1;
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| 192 | }
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| 193 |
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| 194 | if (error != -1 && (stop_encoding (encoder_context) == -1))
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| 195 | {
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| 196 | DEBUG_PRINT("\n Error in stop decoding call");
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| 197 | error = -1;
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| 198 | }
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| 199 |
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| 200 | DEBUG_PRINT("\n De-init the decoder");
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| 201 | if ((deinit_encoder (encoder_context) == -1))
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| 202 | {
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| 203 | error = -1;
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| 204 | }
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| 205 |
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| 206 |
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| 207 | (void)free_buffer (INPUT_BUFFER,encoder_context);
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| 208 | (void)free_buffer (OUTPUT_BUFFER,encoder_context);
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| 209 |
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| 210 | if (encoder_context->inputBufferFile != NULL)
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| 211 | {
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| 212 | fclose (encoder_context->inputBufferFile);
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| 213 | }
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| 214 | if (encoder_context->outputBufferFile != NULL)
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| 215 | {
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| 216 | fclose (encoder_context->outputBufferFile);
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| 217 | }
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| 218 | DEBUG_PRINT ("\n Total Number of frames decoded %d",total_frames);
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| 219 | DEBUG_PRINT("\n closing the driver");
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| 220 | free (encoder_context);
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| 221 |
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| 222 | return error;
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| 223 | }
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| 224 |
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| 225 | int init_encoder ( struct video_encoder_context *init_decode )
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| 226 | {
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| 227 | struct venc_ioctl_msg ioctl_msg = {NULL,NULL};
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| 228 | struct venc_basecfg basecfg;
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| 229 | struct video_queue_context *queue_ptr = NULL;
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| 230 | struct venc_ratectrlcfg ratecrl;
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| 231 | pthread_mutexattr_t init_values;
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| 232 | struct venc_profile profile;
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| 233 | struct ven_profilelevel profilelevel;
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| 234 |
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| 235 | DEBUG_PRINT("\n Before calling the open");
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| 236 |
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| 237 | init_decode->video_driver_fd = open ("/dev/msm_vidc_enc", \
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| 238 | O_RDWR | O_NONBLOCK);
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| 239 |
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| 240 |
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| 241 |
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| 242 | if (init_decode->video_driver_fd < 0)
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| 243 | {
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| 244 | DEBUG_PRINT("\n Open failed");
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| 245 | return -1;
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| 246 | }
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| 247 |
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| 248 | basecfg.codectype = init_decode->codectype;
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| 249 | basecfg.dvs_height = 0;
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| 250 | basecfg.dvs_width = 0;
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| 251 | basecfg.fps_den = init_decode->fps_den;
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| 252 | basecfg.fps_num = init_decode->fps_num;
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| 253 | basecfg.input_height = init_decode->input_height;
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| 254 | basecfg.input_width = init_decode->input_width;
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| 255 | basecfg.inputformat = init_decode->inputformat;
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| 256 | basecfg.targetbitrate = init_decode->targetbitrate;
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| 257 |
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| 258 | /*Initialize Decoder with codec type and resolution*/
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| 259 | ioctl_msg.in = &basecfg;
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| 260 | ioctl_msg.out = NULL;
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| 261 |
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| 262 | if (ioctl (init_decode->video_driver_fd,VEN_IOCTL_SET_BASE_CFG,
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| 263 | (void*)&ioctl_msg) < 0)
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| 264 | {
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| 265 | DEBUG_PRINT("\n Set base config type failed");
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| 266 | return -1;
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| 267 | }
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| 268 |
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| 269 | /*Initialize Decoder with codec type and resolution*/
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| 270 | DEBUG_PRINT ("\n Switch off rate control");
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| 271 | ioctl_msg.in = &ratecrl;
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| 272 | ioctl_msg.out = NULL;
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| 273 | ratecrl.rcmode = VEN_RC_OFF;
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| 274 | if (ioctl (init_decode->video_driver_fd,VEN_IOCTL_SET_RATE_CTRL_CFG,
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| 275 | (void*)&ioctl_msg) < 0)
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| 276 | {
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| 277 | DEBUG_PRINT("\n Set rate control failed");
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| 278 | return -1;
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| 279 | }
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| 280 |
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| 281 | if (basecfg.codectype == VEN_CODEC_H264)
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| 282 | {
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| 283 | DEBUG_PRINT ("\n Set the VEN_IOCTL_SET_CODEC_PROFILE High");
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| 284 | ioctl_msg.in = &profile;
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| 285 | ioctl_msg.out = NULL;
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| 286 | profile.profile = VEN_PROFILE_H264_BASELINE;
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| 287 | if (ioctl (init_decode->video_driver_fd,VEN_IOCTL_SET_CODEC_PROFILE,
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| 288 | (void*)&ioctl_msg) < 0)
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| 289 | {
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| 290 | DEBUG_PRINT("\n Set VEN_IOCTL_SET_CODEC_PROFILE failed");
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| 291 | return -1;
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| 292 | }
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| 293 |
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| 294 | DEBUG_PRINT ("\n Set the VEN_IOCTL_SET_CODEC_PROFILE High");
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| 295 | ioctl_msg.in = &profilelevel;
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| 296 | ioctl_msg.out = NULL;
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| 297 | profilelevel.level = VEN_LEVEL_H264_1p1;
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| 298 | if (ioctl (init_decode->video_driver_fd,VEN_IOCTL_SET_PROFILE_LEVEL,
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| 299 | (void*)&ioctl_msg) < 0)
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| 300 | {
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| 301 | DEBUG_PRINT("\n Set VEN_IOCTL_SET_CODEC_PROFILE failed");
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| 302 | return -1;
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| 303 | }
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| 304 |
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| 305 | if (basecfg.input_width > 720)
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| 306 | {
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| 307 | DEBUG_PRINT ("\n Set the VEN_IOCTL_SET_CODEC_PROFILE High");
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| 308 | ioctl_msg.in = &profile;
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| 309 | ioctl_msg.out = NULL;
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| 310 | profile.profile = VEN_PROFILE_H264_HIGH;
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| 311 | if (ioctl (init_decode->video_driver_fd,VEN_IOCTL_SET_CODEC_PROFILE,
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| 312 | (void*)&ioctl_msg) < 0)
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| 313 | {
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| 314 | DEBUG_PRINT("\n Set VEN_IOCTL_SET_CODEC_PROFILE failed");
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| 315 | return -1;
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| 316 | }
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| 317 |
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| 318 | DEBUG_PRINT ("\n Set the VEN_IOCTL_SET_CODEC_PROFILE High");
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| 319 | ioctl_msg.in = &profilelevel;
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| 320 | ioctl_msg.out = NULL;
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| 321 | profilelevel.level = VEN_LEVEL_H264_3p1;
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| 322 | if (ioctl (init_decode->video_driver_fd,VEN_IOCTL_SET_PROFILE_LEVEL,
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| 323 | (void*)&ioctl_msg) < 0)
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| 324 | {
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| 325 | DEBUG_PRINT("\n Set VEN_IOCTL_SET_CODEC_PROFILE failed");
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| 326 | return -1;
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| 327 | }
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| 328 | }
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| 329 | }
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| 330 |
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| 331 | DEBUG_PRINT("\n Query Input bufffer requirements");
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| 332 | /*Get the Buffer requirements for input and output ports*/
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| 333 |
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| 334 |
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| 335 |
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| 336 | ioctl_msg.in = NULL;
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| 337 | ioctl_msg.out = &init_decode->input_buffer;
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| 338 |
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| 339 | if (ioctl (init_decode->video_driver_fd,VEN_IOCTL_GET_INPUT_BUFFER_REQ,
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| 340 | (void*)&ioctl_msg) < 0)
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| 341 | {
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| 342 | DEBUG_PRINT("\n Requesting for input buffer requirements failed");
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| 343 | return -1;
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| 344 | }
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| 345 |
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| 346 | DEBUG_PRINT("\n input Size=%d min count =%d actual count = %d", \
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| 347 | (int)init_decode->input_buffer.datasize,\
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| 348 | (int)init_decode->input_buffer.mincount,\
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| 349 | (int)init_decode->input_buffer.actualcount);
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| 350 |
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| 351 |
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| 352 | ioctl_msg.in = &init_decode->input_buffer;
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| 353 | ioctl_msg.out = NULL;
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| 354 | init_decode->input_buffer.actualcount = init_decode->input_buffer.mincount + 2;
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| 355 |
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| 356 | if (ioctl (init_decode->video_driver_fd,VEN_IOCTL_SET_INPUT_BUFFER_REQ,
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| 357 | (void*)&ioctl_msg) < 0)
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| 358 | {
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| 359 | DEBUG_PRINT("\n Set Buffer Requirements Failed");
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| 360 | return -1;
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| 361 | }
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| 362 |
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| 363 |
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| 364 | DEBUG_PRINT("\n Query output bufffer requirements");
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| 365 | ioctl_msg.in = NULL;
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| 366 | ioctl_msg.out = &init_decode->output_buffer;
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| 367 |
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| 368 | if (ioctl (init_decode->video_driver_fd,VEN_IOCTL_GET_OUTPUT_BUFFER_REQ,
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| 369 | (void*)&ioctl_msg) < 0)
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| 370 | {
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| 371 | DEBUG_PRINT("\n Requesting for output buffer requirements failed");
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| 372 | return -1;
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| 373 | }
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| 374 |
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| 375 | DEBUG_PRINT("\n output Size=%d min count =%d actual count = %d", \
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| 376 | (int)init_decode->output_buffer.datasize,\
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| 377 | (int)init_decode->output_buffer.mincount,\
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| 378 | (int)init_decode->output_buffer.actualcount);
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| 379 |
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| 380 | /*Create Queue related data structures*/
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| 381 | queue_ptr = &init_decode->queue_context;
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| 382 | queue_ptr->commandq_size = 50;
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| 383 | queue_ptr->dataq_size = 50;
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| 384 |
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| 385 | sem_init(&queue_ptr->sem_message,0, 0);
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| 386 | sem_init(&init_decode->sem_synchronize,0, 0);
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| 387 |
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| 388 | pthread_mutexattr_init (&init_values);
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| 389 | pthread_mutex_init (&queue_ptr->mutex,&init_values);
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| 390 | pthread_mutex_init (&read_lock,&init_values);
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| 391 | DEBUG_PRINT("\n create Queues");
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| 392 | queue_ptr->ptr_cmdq = (struct video_msgq*) \
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| 393 | calloc (sizeof (struct video_msgq),
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| 394 | queue_ptr->commandq_size);
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| 395 | queue_ptr->ptr_dataq = (struct video_msgq*) \
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| 396 | calloc (sizeof (struct video_msgq),
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| 397 | queue_ptr->dataq_size
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| 398 | );
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| 399 |
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| 400 | if ( queue_ptr->ptr_cmdq == NULL ||
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| 401 | queue_ptr->ptr_dataq == NULL
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| 402 | )
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| 403 | {
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| 404 | return -1;
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| 405 | }
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| 406 | DEBUG_PRINT("\n create Threads");
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| 407 | /*Create two threads*/
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| 408 | if ( (pthread_create (&init_decode->videothread_id,NULL,video_thread,
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| 409 | init_decode) < 0) ||
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| 410 | (pthread_create (&init_decode->asyncthread_id,NULL,async_thread,
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| 411 | init_decode) < 0)
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| 412 | )
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| 413 | {
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| 414 | return -1;
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| 415 | }
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| 416 |
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| 417 | return 1;
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| 418 | }
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| 419 |
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| 420 |
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| 421 |
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| 422 | int free_buffer ( unsigned int buffer_dir,
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| 423 | struct video_encoder_context *encoder_context
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| 424 | )
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| 425 | {
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| 426 | unsigned int buffercount = 0,i=0;
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| 427 | struct venc_bufferpayload **ptemp = NULL;
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| 428 |
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| 429 | if (encoder_context == NULL)
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| 430 | {
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| 431 | return -1;
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| 432 | }
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| 433 |
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| 434 | if (buffer_dir == INPUT_BUFFER && encoder_context->ptr_inputbuffer)
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| 435 | {
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| 436 | buffercount = encoder_context->input_buffer.actualcount;
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| 437 | ptemp = encoder_context->ptr_inputbuffer;
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| 438 |
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| 439 | for (i=0;i<buffercount;i++)
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| 440 | {
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| 441 | if (ptemp [i])
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| 442 | {
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| 443 | if (ptemp [i]->fd != -1)
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| 444 | {
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| 445 | munmap ( ptemp [i]->pbuffer,ptemp [i]->maped_size);
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| 446 | ptemp [i]->pbuffer = NULL;
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| 447 | close (ptemp [i]->fd);
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| 448 | }
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| 449 | free (ptemp [i]);
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| 450 | ptemp [i] = NULL;
|
| 451 | }
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| 452 | }
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| 453 | free (encoder_context->ptr_inputbuffer);
|
| 454 | encoder_context->ptr_inputbuffer = NULL;
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| 455 | }
|
| 456 | else if ( buffer_dir == OUTPUT_BUFFER && encoder_context->ptr_outputbuffer )
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| 457 | {
|
| 458 | buffercount = encoder_context->output_buffer.actualcount;
|
| 459 | ptemp = encoder_context->ptr_outputbuffer;
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| 460 |
|
| 461 | if (ptemp)
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| 462 | {
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| 463 | for (i=0;i<buffercount;i++)
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| 464 | {
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| 465 | if (ptemp [i])
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| 466 | {
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| 467 | if (ptemp [i]->fd != -1)
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| 468 | {
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| 469 | munmap ( ptemp [i]->pbuffer,ptemp [i]->maped_size);
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| 470 | ptemp [i]->pbuffer = NULL;
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| 471 | close (ptemp [i]->fd);
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| 472 | }
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| 473 | free (ptemp [i]);
|
| 474 | ptemp [i] = NULL;
|
| 475 | }
|
| 476 | }
|
| 477 | free (ptemp);
|
| 478 | encoder_context->ptr_outputbuffer = NULL;
|
| 479 | }
|
| 480 | }
|
| 481 |
|
| 482 | return 1;
|
| 483 | }
|
| 484 |
|
| 485 | int allocate_buffer ( unsigned int buffer_dir,
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| 486 | struct video_encoder_context *encoder_context
|
| 487 | )
|
| 488 | {
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| 489 | struct venc_bufferpayload **ptemp = NULL;
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| 490 | struct venc_ioctl_msg ioctl_msg = {NULL,NULL};
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| 491 | unsigned int buffercount = 0,i=0,alignedsize=0;
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| 492 | unsigned int buffersize = 0;
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| 493 |
|
| 494 | if ( encoder_context == NULL)
|
| 495 | {
|
| 496 | DEBUG_PRINT ("\nallocate_buffer: context is NULL");
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| 497 | return -1;
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| 498 | }
|
| 499 |
|
| 500 | if ( buffer_dir == INPUT_BUFFER )
|
| 501 | {
|
| 502 | /*Check if buffers are allocated*/
|
| 503 | if (encoder_context->ptr_inputbuffer != NULL)
|
| 504 | {
|
| 505 | DEBUG_PRINT ("\nallocate_buffer: encoder_context->ptr_inputbuffer is set");
|
| 506 | return -1;
|
| 507 | }
|
| 508 |
|
| 509 | buffercount = encoder_context->input_buffer.actualcount;
|
| 510 | alignedsize = encoder_context->input_buffer.alignment;
|
| 511 | buffersize = encoder_context->input_buffer.datasize;
|
| 512 | buffersize = (buffersize + alignedsize) & (~alignedsize);
|
| 513 | }
|
| 514 | else if (buffer_dir == OUTPUT_BUFFER)
|
| 515 | {
|
| 516 | /*Check if buffers are allocated*/
|
| 517 | if (encoder_context->ptr_outputbuffer != NULL)
|
| 518 | {
|
| 519 | DEBUG_PRINT ("\nallocate_buffer: Double allcoate output");
|
| 520 | return -1;
|
| 521 | }
|
| 522 |
|
| 523 | buffercount = encoder_context->output_buffer.actualcount;
|
| 524 | alignedsize = encoder_context->output_buffer.alignment;
|
| 525 | buffersize = encoder_context->output_buffer.datasize;
|
| 526 | buffersize = (buffersize + alignedsize) & (~alignedsize);
|
| 527 |
|
| 528 | }
|
| 529 | else
|
| 530 | {
|
| 531 | DEBUG_PRINT ("\nallocate_buffer: Wrong buffer directions");
|
| 532 | return -1;
|
| 533 | }
|
| 534 |
|
| 535 | ptemp = (struct venc_bufferpayload **)\
|
| 536 | calloc (sizeof (struct venc_bufferpayload *),buffercount);
|
| 537 |
|
| 538 | if (ptemp == NULL)
|
| 539 | {
|
| 540 | DEBUG_PRINT ("\nallocate_buffer: venc_bufferpayload failure");
|
| 541 | return -1;
|
| 542 | }
|
| 543 |
|
| 544 |
|
| 545 | if (buffer_dir == OUTPUT_BUFFER)
|
| 546 | {
|
| 547 | DEBUG_PRINT ("\nallocate_buffer: OUT");
|
| 548 | encoder_context->ptr_outputbuffer = ptemp;
|
| 549 | }
|
| 550 | else
|
| 551 | {
|
| 552 | DEBUG_PRINT ("\nallocate_buffer: IN");
|
| 553 | encoder_context->ptr_inputbuffer = ptemp;
|
| 554 | }
|
| 555 |
|
| 556 | /*Allocate buffer headers*/
|
| 557 | for (i=0; i< buffercount; i++)
|
| 558 | {
|
| 559 | ptemp [i] = (struct venc_bufferpayload*)\
|
| 560 | calloc (sizeof (struct venc_bufferpayload),1);
|
| 561 |
|
| 562 | if (ptemp [i] == NULL)
|
| 563 | {
|
| 564 | DEBUG_PRINT ("\nallocate_buffer: ptemp [i] calloc failure");
|
| 565 | return -1;
|
| 566 | }
|
| 567 | ptemp [i]->fd = -1;
|
| 568 | }
|
| 569 |
|
| 570 | for (i=0; i< buffercount; i++)
|
| 571 | {
|
| 572 | ptemp [i]->fd = open ("/dev/pmem_adsp",O_RDWR);
|
| 573 |
|
| 574 | if (ptemp [i]->fd < 0)
|
| 575 | {
|
| 576 | DEBUG_PRINT ("\nallocate_buffer: open pmem_adsp failed");
|
| 577 | return -1;
|
| 578 | }
|
| 579 |
|
| 580 | ptemp [i]->pbuffer = mmap(NULL,clp2(buffersize),PROT_READ|PROT_WRITE,
|
| 581 | MAP_SHARED,ptemp [i]->fd,0);
|
| 582 | DEBUG_PRINT ("\n pmem fd = %d virt addr = %p",ptemp [i]->fd,\
|
| 583 | ptemp [i]->pbuffer);
|
| 584 | if (ptemp [i]->pbuffer == MAP_FAILED)
|
| 585 | {
|
| 586 | ptemp [i]->pbuffer = NULL;
|
| 587 | DEBUG_PRINT ("\nallocate_buffer: MMAP failed");
|
| 588 | return -1;
|
| 589 | }
|
| 590 | ptemp [i]->sz = buffersize;
|
| 591 | ptemp [i]->maped_size = clp2 (buffersize);
|
| 592 |
|
| 593 | ioctl_msg.in = ptemp [i];
|
| 594 | ioctl_msg.out = NULL;
|
| 595 |
|
| 596 | if (buffer_dir == OUTPUT_BUFFER)
|
| 597 | {
|
| 598 | if (ioctl (encoder_context->video_driver_fd,VEN_IOCTL_SET_OUTPUT_BUFFER,
|
| 599 | &ioctl_msg) < 0)
|
| 600 | {
|
| 601 | DEBUG_PRINT ("\nallocate_buffer: Set Output Buffer IOCTL failed");
|
| 602 | return -1;
|
| 603 | }
|
| 604 | }
|
| 605 | else
|
| 606 | {
|
| 607 | if (ioctl (encoder_context->video_driver_fd,VEN_IOCTL_SET_INPUT_BUFFER,
|
| 608 | &ioctl_msg) < 0)
|
| 609 | {
|
| 610 | DEBUG_PRINT ("\nallocate_buffer: Set input Buffer IOCTL failed");
|
| 611 | return -1;
|
| 612 | }
|
| 613 | }
|
| 614 |
|
| 615 | }
|
| 616 | DEBUG_PRINT ("\nallocate_buffer: Success");
|
| 617 | return 1;
|
| 618 | }
|
| 619 |
|
| 620 |
|
| 621 |
|
| 622 | int start_encoding (struct video_encoder_context *encoder_context)
|
| 623 | {
|
| 624 | struct venc_ioctl_msg ioctl_msg = {NULL,NULL};
|
| 625 | struct venc_buffer enc_buffer;
|
| 626 | unsigned int i = 0;
|
| 627 | unsigned int data_len =0;
|
| 628 |
|
| 629 |
|
| 630 | if (encoder_context == NULL)
|
| 631 | {
|
| 632 | return -1;
|
| 633 | }
|
| 634 |
|
| 635 | if (ioctl (encoder_context->video_driver_fd,VEN_IOCTL_CMD_START,
|
| 636 | NULL) < 0)
|
| 637 | {
|
| 638 | DEBUG_PRINT("\n Start failed");
|
| 639 | return -1;
|
| 640 | }
|
| 641 |
|
| 642 | DEBUG_PRINT("\n Start Issued successfully waiting for Start Done");
|
| 643 | /*Wait for Start command response*/
|
| 644 | sem_wait (&encoder_context->sem_synchronize);
|
| 645 |
|
| 646 | /*Push output Buffers*/
|
| 647 | i = 0;
|
| 648 | while (i < encoder_context->output_buffer.actualcount)
|
| 649 | {
|
| 650 | enc_buffer.clientdata = (void *)encoder_context->ptr_outputbuffer [i];
|
| 651 | enc_buffer.flags = 0;
|
| 652 | enc_buffer.sz = encoder_context->ptr_outputbuffer [i]->sz;
|
| 653 | enc_buffer.len = 0;
|
| 654 | enc_buffer.ptrbuffer = encoder_context->ptr_outputbuffer [i]->pbuffer;
|
| 655 | enc_buffer.offset = 0;
|
| 656 | enc_buffer.timestamp = 0;
|
| 657 |
|
| 658 | DEBUG_PRINT ("\n Client Data on output = %p",(void *)enc_buffer.clientdata);
|
| 659 | ioctl_msg.in = &enc_buffer;
|
| 660 | ioctl_msg.out = NULL;
|
| 661 |
|
| 662 | if (ioctl (encoder_context->video_driver_fd,
|
| 663 | VEN_IOCTL_CMD_FILL_OUTPUT_BUFFER,&ioctl_msg) < 0)
|
| 664 | {
|
| 665 | DEBUG_PRINT("\n fill output frame failed");
|
| 666 | return -1;
|
| 667 | }
|
| 668 | i++;
|
| 669 | }
|
| 670 |
|
| 671 |
|
| 672 | /*push input buffers*/
|
| 673 | i = 0;
|
| 674 | while (i < encoder_context->input_buffer.actualcount)
|
| 675 | {
|
| 676 | DEBUG_PRINT("\n Read Frame from File");
|
| 677 |
|
| 678 | enc_buffer.clientdata = (void *)encoder_context->ptr_inputbuffer [i];
|
| 679 | enc_buffer.flags = 0;
|
| 680 | enc_buffer.sz = encoder_context->ptr_inputbuffer [i]->sz;
|
| 681 | enc_buffer.len = 0;
|
| 682 | enc_buffer.ptrbuffer = encoder_context->ptr_inputbuffer [i]->pbuffer;
|
| 683 | enc_buffer.offset = 0;
|
| 684 | enc_buffer.timestamp = total_frames *
|
| 685 | ((encoder_context->fps_den * 1000000)/encoder_context->fps_num);
|
| 686 | enc_buffer.len = (encoder_context->input_height *
|
| 687 | encoder_context->input_width *3)/2;
|
| 688 | data_len = read_frame ( enc_buffer.ptrbuffer,
|
| 689 | enc_buffer.len,
|
| 690 | encoder_context->inputBufferFile);
|
| 691 | if (data_len == 0)
|
| 692 | {
|
| 693 | DEBUG_PRINT("\n Length is zero error");
|
| 694 | return -1;
|
| 695 | }
|
| 696 | enc_buffer.len = data_len;
|
| 697 | DEBUG_PRINT("\n Read Frame from File szie = %d",(int)data_len);
|
| 698 |
|
| 699 | DEBUG_PRINT ("\n Client Data on output = %p",(void *)enc_buffer.clientdata);
|
| 700 | ioctl_msg.in = &enc_buffer;
|
| 701 | ioctl_msg.out = NULL;
|
| 702 |
|
| 703 | if (ioctl (encoder_context->video_driver_fd,
|
| 704 | VEN_IOCTL_CMD_ENCODE_FRAME,&ioctl_msg) < 0)
|
| 705 | {
|
| 706 | DEBUG_PRINT("\n Encode input frame failed");
|
| 707 | return -1;
|
| 708 | }
|
| 709 | total_frames++;
|
| 710 | i++;
|
| 711 | }
|
| 712 | DEBUG_PRINT ("\n Wait for EOS");
|
| 713 | /*Wait for EOS or Error condition*/
|
| 714 | sem_wait (&encoder_context->sem_synchronize);
|
| 715 | DEBUG_PRINT ("\n Reached EOS");
|
| 716 |
|
| 717 | return 1;
|
| 718 | }
|
| 719 |
|
| 720 | int stop_encoding (struct video_encoder_context *encoder_context)
|
| 721 | {
|
| 722 | struct venc_ioctl_msg ioctl_msg = {NULL,NULL};
|
| 723 | struct venc_bufferflush buffer_flush;
|
| 724 |
|
| 725 | if (encoder_context == NULL)
|
| 726 | {
|
| 727 | return -1;
|
| 728 | }
|
| 729 | buffer_flush.flush_mode = VEN_FLUSH_INPUT;
|
| 730 | ioctl_msg.in = &buffer_flush;
|
| 731 | ioctl_msg.out = NULL;
|
| 732 |
|
| 733 | if (ioctl(encoder_context->video_driver_fd,VEN_IOCTL_CMD_FLUSH,
|
| 734 | &ioctl_msg) < 0)
|
| 735 | {
|
| 736 | DEBUG_PRINT("\n Flush input failed");
|
| 737 | }
|
| 738 | else
|
| 739 | {
|
| 740 | sem_wait (&encoder_context->sem_synchronize);
|
| 741 | }
|
| 742 |
|
| 743 | buffer_flush.flush_mode = VEN_FLUSH_OUTPUT;
|
| 744 | ioctl_msg.in = &buffer_flush;
|
| 745 | ioctl_msg.out = NULL;
|
| 746 |
|
| 747 | if (ioctl(encoder_context->video_driver_fd,VEN_IOCTL_CMD_FLUSH,
|
| 748 | &ioctl_msg) < 0)
|
| 749 | {
|
| 750 | DEBUG_PRINT("\n Flush output failed");
|
| 751 | }
|
| 752 | else
|
| 753 | {
|
| 754 | sem_wait (&encoder_context->sem_synchronize);
|
| 755 | }
|
| 756 |
|
| 757 | DEBUG_PRINT("\n Stop VEN_IOCTL_CMD_STOP");
|
| 758 | if (ioctl(encoder_context->video_driver_fd,VEN_IOCTL_CMD_STOP,NULL) < 0)
|
| 759 | {
|
| 760 | DEBUG_PRINT("\n Stop failed");
|
| 761 | }
|
| 762 | else
|
| 763 | {
|
| 764 | sem_wait (&encoder_context->sem_synchronize);
|
| 765 | }
|
| 766 | return 1;
|
| 767 | }
|
| 768 |
|
| 769 | int deinit_encoder (struct video_encoder_context *init_decode)
|
| 770 | {
|
| 771 | if (init_decode == NULL)
|
| 772 | {
|
| 773 | return -1;
|
| 774 | }
|
| 775 |
|
| 776 | /*Close the driver*/
|
| 777 | if (init_decode->video_driver_fd != -1)
|
| 778 | {
|
| 779 | close (init_decode->video_driver_fd);
|
| 780 | }
|
| 781 |
|
| 782 | if (init_decode->queue_context.ptr_cmdq)
|
| 783 | {
|
| 784 | free (init_decode->queue_context.ptr_cmdq);
|
| 785 | init_decode->queue_context.ptr_cmdq = NULL;
|
| 786 | }
|
| 787 |
|
| 788 | if (init_decode->queue_context.ptr_dataq)
|
| 789 | {
|
| 790 | free (init_decode->queue_context.ptr_dataq);
|
| 791 | init_decode->queue_context.ptr_dataq = NULL;
|
| 792 | }
|
| 793 |
|
| 794 | sem_destroy (&init_decode->queue_context.sem_message);
|
| 795 | sem_destroy (&init_decode->sem_synchronize);
|
| 796 |
|
| 797 | pthread_mutex_destroy(&init_decode->queue_context.mutex);
|
| 798 | pthread_mutex_destroy (&read_lock);
|
| 799 |
|
| 800 | return 1;
|
| 801 | }
|
| 802 |
|
| 803 | static void* video_thread (void *context)
|
| 804 | {
|
| 805 | struct video_encoder_context *encoder_context = NULL;
|
| 806 | struct video_msgq *queueitem = NULL;
|
| 807 | struct venc_ioctl_msg ioctl_msg = {NULL,NULL};
|
| 808 | struct venc_bufferpayload *tempbuffer = NULL;
|
| 809 | struct venc_buffer enc_buffer;
|
| 810 | unsigned int data_len =0;
|
| 811 |
|
| 812 |
|
| 813 | if (context == NULL)
|
| 814 | {
|
| 815 | DEBUG_PRINT("\n video thread recieved NULL context");
|
| 816 | return NULL;
|
| 817 | }
|
| 818 | encoder_context = (struct video_encoder_context *) context;
|
| 819 |
|
| 820 | /* Thread function which will accept commands from async thread
|
| 821 | * or main thread
|
| 822 | */
|
| 823 | while (1)
|
| 824 | {
|
| 825 | queueitem = queue_get_cmd (&encoder_context ->queue_context);
|
| 826 | if (queueitem != NULL)
|
| 827 | {
|
| 828 | switch (queueitem->cmd)
|
| 829 | {
|
| 830 | case VEN_MSG_START:
|
| 831 | DEBUG_PRINT("\n recived start done command");
|
| 832 | sem_post (&encoder_context->sem_synchronize);
|
| 833 | break;
|
| 834 |
|
| 835 | case VEN_MSG_STOP:
|
| 836 | DEBUG_PRINT("\n recieved stop done");
|
| 837 | sem_post (&encoder_context->sem_synchronize);
|
| 838 | break;
|
| 839 |
|
| 840 | case VEN_MSG_INPUT_BUFFER_DONE:
|
| 841 |
|
| 842 | tempbuffer = (struct venc_bufferpayload *)queueitem->clientdata;
|
| 843 | if (tempbuffer == NULL)
|
| 844 | {
|
| 845 | DEBUG_PRINT("\n FATAL ERROR input buffer address is bad");
|
| 846 | sem_post (&encoder_context->sem_synchronize);
|
| 847 | break;
|
| 848 | }
|
| 849 | tempbuffer->filled_len = (encoder_context->input_height *
|
| 850 | encoder_context->input_width *3)/2;
|
| 851 |
|
| 852 | data_len = read_frame ( tempbuffer->pbuffer,
|
| 853 | tempbuffer->filled_len,
|
| 854 | encoder_context->inputBufferFile);
|
| 855 |
|
| 856 | if (data_len == 0)
|
| 857 | {
|
| 858 | DEBUG_PRINT ("\n End of stream reached");
|
| 859 | sem_post (&encoder_context->sem_synchronize);
|
| 860 | break;
|
| 861 | }
|
| 862 | enc_buffer.clientdata = (void *)tempbuffer;
|
| 863 | enc_buffer.flags = 0;
|
| 864 | enc_buffer.ptrbuffer = tempbuffer->pbuffer;
|
| 865 | enc_buffer.sz = tempbuffer->sz;
|
| 866 | enc_buffer.len = tempbuffer->filled_len;
|
| 867 | enc_buffer.offset = 0;
|
| 868 | enc_buffer.timestamp = total_frames *
|
| 869 | ((encoder_context->fps_den * 1000000)/encoder_context->fps_num);
|
| 870 |
|
| 871 | /*TODO: Time stamp needs to be updated*/
|
| 872 | ioctl_msg.in = &enc_buffer;
|
| 873 | ioctl_msg.out = NULL;
|
| 874 | total_frames++;
|
| 875 | if (ioctl(encoder_context->video_driver_fd,VEN_IOCTL_CMD_ENCODE_FRAME,
|
| 876 | &ioctl_msg) < 0)
|
| 877 | {
|
| 878 | DEBUG_PRINT("\n Decoder frame failed");
|
| 879 | sem_post (&encoder_context->sem_synchronize);
|
| 880 | }
|
| 881 | DEBUG_PRINT("\n Input buffer done send next buffer current value = %d",\
|
| 882 | total_frames);
|
| 883 | break;
|
| 884 |
|
| 885 | case VEN_MSG_OUTPUT_BUFFER_DONE:
|
| 886 |
|
| 887 | tempbuffer = (struct venc_bufferpayload *)queueitem->clientdata;
|
| 888 | if (tempbuffer == NULL)
|
| 889 | {
|
| 890 | DEBUG_PRINT("\n FATAL ERROR input buffer address is bad");
|
| 891 | sem_post (&encoder_context->sem_synchronize);
|
| 892 | break;
|
| 893 | }
|
| 894 |
|
| 895 | if (encoder_context->outputBufferFile != NULL)
|
| 896 | {
|
| 897 | fwrite (tempbuffer->pbuffer,1,tempbuffer->filled_len,
|
| 898 | encoder_context->outputBufferFile);
|
| 899 | }
|
| 900 |
|
| 901 |
|
| 902 | DEBUG_PRINT("\n recieved output buffer consume outbuffer");
|
| 903 | DEBUG_PRINT("\nValues outputbuffer->bufferaddr = %p",\
|
| 904 | tempbuffer->pbuffer);
|
| 905 | enc_buffer.clientdata = (void *)tempbuffer;
|
| 906 | enc_buffer.flags = 0;
|
| 907 | enc_buffer.sz = tempbuffer->sz;
|
| 908 | enc_buffer.len = 0;
|
| 909 | enc_buffer.ptrbuffer = tempbuffer->pbuffer;
|
| 910 | enc_buffer.offset = 0;
|
| 911 | enc_buffer.timestamp = 0;
|
| 912 |
|
| 913 | ioctl_msg.in = &enc_buffer;
|
| 914 | ioctl_msg.out = NULL;
|
| 915 |
|
| 916 | if (ioctl (encoder_context->video_driver_fd,
|
| 917 | VEN_IOCTL_CMD_FILL_OUTPUT_BUFFER,&ioctl_msg) < 0)
|
| 918 | {
|
| 919 | DEBUG_PRINT("\n Decoder frame failed");
|
| 920 | return NULL;
|
| 921 | }
|
| 922 |
|
| 923 | break;
|
| 924 |
|
| 925 | case VEN_MSG_FLUSH_INPUT_DONE:
|
| 926 | DEBUG_PRINT("\n Flush input complete");
|
| 927 | sem_post (&encoder_context->sem_synchronize);
|
| 928 | break;
|
| 929 |
|
| 930 | case VEN_MSG_FLUSH_OUPUT_DONE:
|
| 931 | DEBUG_PRINT("\n Flush output complete");
|
| 932 | sem_post (&encoder_context->sem_synchronize);
|
| 933 | break;
|
| 934 | }
|
| 935 |
|
| 936 | if (queueitem->cmd == VEN_MSG_STOP)
|
| 937 | {
|
| 938 | DEBUG_PRINT("\n Playback has ended thread will exit");
|
| 939 | return NULL;
|
| 940 | }
|
| 941 | }
|
| 942 | else
|
| 943 | {
|
| 944 | DEBUG_PRINT("\n Error condition recieved NULL from Queue");
|
| 945 | }
|
| 946 |
|
| 947 | }
|
| 948 | }
|
| 949 |
|
| 950 | static void* async_thread (void *context)
|
| 951 | {
|
| 952 | struct video_encoder_context *encoder_context = NULL;
|
| 953 | struct video_msgq queueitem ;
|
| 954 | struct venc_msg venc_msg;
|
| 955 | struct venc_bufferpayload *tempbuffer = NULL;
|
| 956 | struct venc_ioctl_msg ioctl_msg = {NULL,NULL};
|
| 957 | int result = -1;
|
| 958 |
|
| 959 | if (context == NULL)
|
| 960 | {
|
| 961 | DEBUG_PRINT("\n aynsc thread recieved NULL context");
|
| 962 | return NULL;
|
| 963 | }
|
| 964 | encoder_context = (struct video_encoder_context *) context;
|
| 965 | DEBUG_PRINT("\n Entering the async thread");
|
| 966 |
|
| 967 | while (1)
|
| 968 | {
|
| 969 | ioctl_msg.in = NULL;
|
| 970 | ioctl_msg.out = (void*)&venc_msg;
|
| 971 | DEBUG_PRINT ("\n Sizeof venc_msginfo = %d ",sizeof (venc_msg));
|
| 972 | DEBUG_PRINT("\n Address of Venc msg in async thread %p",\
|
| 973 | ioctl_msg.out);
|
| 974 | if (ioctl (encoder_context->video_driver_fd,VEN_IOCTL_CMD_READ_NEXT_MSG,\
|
| 975 | (void*)&ioctl_msg) < 0)
|
| 976 | {
|
| 977 | DEBUG_PRINT("\n Error in ioctl read next msg");
|
| 978 | }
|
| 979 | else
|
| 980 | {
|
| 981 | switch (venc_msg.msgcode)
|
| 982 | {
|
| 983 | case VEN_MSG_START:
|
| 984 | case VEN_MSG_STOP:
|
| 985 | case VEN_MSG_INDICATION:
|
| 986 | DEBUG_PRINT("\nSTOP/START Indiacation");
|
| 987 | queueitem.cmd = venc_msg.msgcode;
|
| 988 | queueitem.status = venc_msg.statuscode;
|
| 989 | queueitem.clientdata = NULL;
|
| 990 | break;
|
| 991 |
|
| 992 | case VEN_MSG_INPUT_BUFFER_DONE:
|
| 993 | DEBUG_PRINT("\nINPUT buffer done Indiacation");
|
| 994 | queueitem.cmd = venc_msg.msgcode;
|
| 995 | queueitem.status = venc_msg.statuscode;
|
| 996 | queueitem.clientdata = (void *)venc_msg.buf.clientdata;
|
| 997 | DEBUG_PRINT("\nInput Client data pointer is %p",queueitem.clientdata);
|
| 998 | tempbuffer = (struct venc_bufferpayload *) queueitem.clientdata;
|
| 999 | DEBUG_PRINT ("\n Input Address of tempbuffer %p",tempbuffer);
|
| 1000 | tempbuffer->filled_len = venc_msg.buf.len;
|
| 1001 | DEBUG_PRINT ("\n Input value of tempbuffer tempbuffer->filled_len %d",(int)tempbuffer->filled_len);
|
| 1002 | break;
|
| 1003 | case VEN_MSG_OUTPUT_BUFFER_DONE:
|
| 1004 | DEBUG_PRINT("\nOUPUT buffer done Indiacation");
|
| 1005 | queueitem.cmd = venc_msg.msgcode;
|
| 1006 | queueitem.status = venc_msg.statuscode;
|
| 1007 | queueitem.clientdata = (void *)venc_msg.buf.clientdata;
|
| 1008 | DEBUG_PRINT("\nOutput Client data pointer is %p",queueitem.clientdata);
|
| 1009 | tempbuffer = (struct venc_bufferpayload *) queueitem.clientdata;
|
| 1010 | DEBUG_PRINT ("\n Output Address of tempbuffer %p",tempbuffer);
|
| 1011 | tempbuffer->filled_len = venc_msg.buf.len;
|
| 1012 | DEBUG_PRINT ("\n Output value of tempbuffer tempbuffer->filled_len %d",(int)tempbuffer->filled_len);
|
| 1013 | break;
|
| 1014 |
|
| 1015 | default:
|
| 1016 | DEBUG_PRINT("\nIn Default of get next message %d",(int)venc_msg.msgcode);
|
| 1017 | queueitem.cmd = venc_msg.msgcode;
|
| 1018 | queueitem.status = venc_msg.statuscode;
|
| 1019 | queueitem.clientdata = NULL;
|
| 1020 | break;
|
| 1021 | }
|
| 1022 | result = queue_post_cmdq (&encoder_context->queue_context,&queueitem);
|
| 1023 | while (result == 0)
|
| 1024 | {
|
| 1025 | result = queue_post_cmdq (&encoder_context->queue_context,&queueitem);
|
| 1026 | }
|
| 1027 |
|
| 1028 | if (result == -1)
|
| 1029 | {
|
| 1030 | DEBUG_PRINT("\n FATAL ERROR WITH Queue");
|
| 1031 | }
|
| 1032 | }
|
| 1033 | if (venc_msg.msgcode == VEN_MSG_STOP)
|
| 1034 | {
|
| 1035 | /*Thread can exit at this point*/
|
| 1036 | return NULL;
|
| 1037 | }
|
| 1038 | }
|
| 1039 | }
|
| 1040 |
|
| 1041 |
|
| 1042 | static unsigned int read_frame (unsigned char *dataptr, unsigned int length,
|
| 1043 | FILE * inputBufferFile)
|
| 1044 | {
|
| 1045 |
|
| 1046 | unsigned int readOffset = 0;
|
| 1047 | int bytes_read = 0;
|
| 1048 | unsigned int code = 0;
|
| 1049 | int found = 0;
|
| 1050 |
|
| 1051 | DEBUG_PRINT ("\n Inside the readframe");
|
| 1052 |
|
| 1053 | if (dataptr == NULL && length == 0)
|
| 1054 | {
|
| 1055 | DEBUG_PRINT ("\n dataptr = %p length = %d",dataptr,(int)length);
|
| 1056 | return 0;
|
| 1057 | }
|
| 1058 |
|
| 1059 | pthread_mutex_lock(&read_lock);
|
| 1060 | bytes_read = fread(&dataptr[readOffset],1,length,inputBufferFile);
|
| 1061 | pthread_mutex_unlock(&read_lock);
|
| 1062 |
|
| 1063 | return bytes_read;
|
| 1064 | }
|