libavcodec/v210enc.c:45: error: Null Dereference
  pointer `avctx->coded_frame` last assigned on line 43 could be null and is dereferenced at line 45, column 5.

libavcodec/v210enc.c:27:1: start of procedure encode_init()
25. #include "bytestream.h"
26. 
27. static av_cold int encode_init(AVCodecContext *avctx)
    ^
28. {
29.     if (avctx->width & 1) {

libavcodec/v210enc.c:29:9: Taking false branch
27. static av_cold int encode_init(AVCodecContext *avctx)
28. {
29.     if (avctx->width & 1) {
            ^
30.         av_log(avctx, AV_LOG_ERROR, "v210 needs even width\n");
31.         return -1;

libavcodec/v210enc.c:34:9: Taking false branch
32.     }
33. 
34.     if (avctx->pix_fmt != PIX_FMT_YUV422P16) {
            ^
35.         av_log(avctx, AV_LOG_ERROR, "v210 needs YUV422P16\n");
36.         return -1;

libavcodec/v210enc.c:39:9: Taking false branch
37.     }
38. 
39.     if (avctx->bits_per_raw_sample != 10)
            ^
40.         av_log(avctx, AV_LOG_WARNING, "bits per raw sample: %d != 10-bit\n",
41.                avctx->bits_per_raw_sample);

libavcodec/v210enc.c:43:5: 
41.                avctx->bits_per_raw_sample);
42. 
43.     avctx->coded_frame = avcodec_alloc_frame();
        ^
44. 
45.     avctx->coded_frame->key_frame = 1;

libavcodec/utils.c:456:1: start of procedure avcodec_alloc_frame()
  454. }
  455. 
  456. AVFrame *avcodec_alloc_frame(void){
       ^
  457.     AVFrame *pic= av_malloc(sizeof(AVFrame));
  458. 

libavcodec/utils.c:457:5: 
  455. 
  456. AVFrame *avcodec_alloc_frame(void){
  457.     AVFrame *pic= av_malloc(sizeof(AVFrame));
           ^
  458. 
  459.     if(pic==NULL) return NULL;

libavutil/mem.c:64:1: start of procedure av_malloc()
    62.    linker will do it automatically. */
    63. 
    64. void *av_malloc(size_t size)
        ^
    65. {
    66.     void *ptr = NULL;

libavutil/mem.c:66:5: 
    64. void *av_malloc(size_t size)
    65. {
    66.     void *ptr = NULL;
            ^
    67. #if CONFIG_MEMALIGN_HACK
    68.     long diff;

libavutil/mem.c:72:8: Taking false branch
    70. 
    71.     /* let's disallow possible ambiguous cases */
    72.     if(size > (INT_MAX-32) )
               ^
    73.         return NULL;
    74. 

libavutil/mem.c:83:9: Taking false branch
    81.     ((char*)ptr)[-1]= diff;
    82. #elif HAVE_POSIX_MEMALIGN
    83.     if (posix_memalign(&ptr,32,size))
                ^
    84.         ptr = NULL;
    85. #elif HAVE_MEMALIGN

libavutil/mem.c:114:5: 
    112.     ptr = malloc(size);
    113. #endif
    114.     return ptr;
             ^
    115. }
    116. 

libavutil/mem.c:115:1: return from a call to av_malloc
    113. #endif
    114.     return ptr;
    115. }
         ^
    116. 
    117. void *av_realloc(void *ptr, size_t size)

libavcodec/utils.c:459:8: Taking true branch
  457.     AVFrame *pic= av_malloc(sizeof(AVFrame));
  458. 
  459.     if(pic==NULL) return NULL;
              ^
  460. 
  461.     avcodec_get_frame_defaults(pic);

libavcodec/utils.c:459:19: 
  457.     AVFrame *pic= av_malloc(sizeof(AVFrame));
  458. 
  459.     if(pic==NULL) return NULL;
                         ^
  460. 
  461.     avcodec_get_frame_defaults(pic);

libavcodec/utils.c:464:1: return from a call to avcodec_alloc_frame
  462. 
  463.     return pic;
  464. }
       ^
  465. 
  466. int attribute_align_arg avcodec_open(AVCodecContext *avctx, AVCodec *codec)

libavcodec/v210enc.c:45:5: 
43.     avctx->coded_frame = avcodec_alloc_frame();
44. 
45.     avctx->coded_frame->key_frame = 1;
        ^
46.     avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
47. 

static av_cold int encode_init(AVCodecContext *avctx)
{
    if (avctx->width & 1) {
        av_log(avctx, AV_LOG_ERROR, "v210 needs even width\n");
        return -1;
    }
    if (avctx->pix_fmt != PIX_FMT_YUV422P16) {
        av_log(avctx, AV_LOG_ERROR, "v210 needs YUV422P16\n");
        return -1;
    }
    if (avctx->bits_per_raw_sample != 10)
        av_log(avctx, AV_LOG_WARNING, "bits per raw sample: %d != 10-bit\n",
               avctx->bits_per_raw_sample);
    avctx->coded_frame = avcodec_alloc_frame();
    avctx->coded_frame->key_frame = 1;
    avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
    return 0;
}
['static av_cold int encode_init(AVCodecContext *avctx)\n{\n    if (avctx->width & 1) {\n        av_log(avctx, AV_LOG_ERROR, "v210 needs even width\\n");\n        return -1;\n    }\n    if (avctx->pix_fmt != PIX_FMT_YUV422P16) {\n        av_log(avctx, AV_LOG_ERROR, "v210 needs YUV422P16\\n");\n        return -1;\n    }\n    if (avctx->bits_per_raw_sample != 10)\n        av_log(avctx, AV_LOG_WARNING, "bits per raw sample: %d != 10-bit\\n",\n               avctx->bits_per_raw_sample);\n    avctx->coded_frame = avcodec_alloc_frame();\n    avctx->coded_frame->key_frame = 1;\n    avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;\n    return 0;\n}', 'AVFrame *avcodec_alloc_frame(void){\n    AVFrame *pic= av_malloc(sizeof(AVFrame));\n    if(pic==NULL) return NULL;\n    avcodec_get_frame_defaults(pic);\n    return pic;\n}', 'void *av_malloc(size_t size)\n{\n    void *ptr = NULL;\n#if CONFIG_MEMALIGN_HACK\n    long diff;\n#endif\n    if(size > (INT_MAX-32) )\n        return NULL;\n#if CONFIG_MEMALIGN_HACK\n    ptr = malloc(size+32);\n    if(!ptr)\n        return ptr;\n    diff= ((-(long)ptr - 1)&31) + 1;\n    ptr = (char*)ptr + diff;\n    ((char*)ptr)[-1]= diff;\n#elif HAVE_POSIX_MEMALIGN\n    if (posix_memalign(&ptr,32,size))\n        ptr = NULL;\n#elif HAVE_MEMALIGN\n    ptr = memalign(32,size);\n#else\n    ptr = malloc(size);\n#endif\n    return ptr;\n}']