libavcodec/parser.c:197: error: Null Dereference
  pointer `*poutbuf` last assigned on line 195 could be null and is dereferenced by call to `memcpy()` at line 197, column 13.

libavcodec/parser.c:173:1: start of procedure av_parser_change()
171.  * @deprecated use AVBitstreamFilter
172.  */
173. int av_parser_change(AVCodecParserContext *s,
     ^
174.                      AVCodecContext *avctx,
175.                      uint8_t **poutbuf, int *poutbuf_size,

libavcodec/parser.c:178:8: Taking true branch
176.                      const uint8_t *buf, int buf_size, int keyframe){
177. 
178.     if(s && s->parser->split){
            ^
179.         if((avctx->flags & CODEC_FLAG_GLOBAL_HEADER) || (avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER)){
180.             int i= s->parser->split(avctx, buf, buf_size);

libavcodec/parser.c:178:13: Taking true branch
176.                      const uint8_t *buf, int buf_size, int keyframe){
177. 
178.     if(s && s->parser->split){
                 ^
179.         if((avctx->flags & CODEC_FLAG_GLOBAL_HEADER) || (avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER)){
180.             int i= s->parser->split(avctx, buf, buf_size);

libavcodec/parser.c:179:13: Taking true branch
177. 
178.     if(s && s->parser->split){
179.         if((avctx->flags & CODEC_FLAG_GLOBAL_HEADER) || (avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER)){
                 ^
180.             int i= s->parser->split(avctx, buf, buf_size);
181.             buf += i;

libavcodec/parser.c:180:13: Skipping __function_pointer__(): unresolved function pointer
178.     if(s && s->parser->split){
179.         if((avctx->flags & CODEC_FLAG_GLOBAL_HEADER) || (avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER)){
180.             int i= s->parser->split(avctx, buf, buf_size);
                 ^
181.             buf += i;
182.             buf_size -= i;

libavcodec/parser.c:181:13: 
179.         if((avctx->flags & CODEC_FLAG_GLOBAL_HEADER) || (avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER)){
180.             int i= s->parser->split(avctx, buf, buf_size);
181.             buf += i;
                 ^
182.             buf_size -= i;
183.         }

libavcodec/parser.c:182:13: 
180.             int i= s->parser->split(avctx, buf, buf_size);
181.             buf += i;
182.             buf_size -= i;
                 ^
183.         }
184.     }

libavcodec/parser.c:187:5: 
185. 
186.     /* cast to avoid warning about discarding qualifiers */
187.     *poutbuf= (uint8_t *) buf;
         ^
188.     *poutbuf_size= buf_size;
189.     if(avctx->extradata){

libavcodec/parser.c:188:5: 
186.     /* cast to avoid warning about discarding qualifiers */
187.     *poutbuf= (uint8_t *) buf;
188.     *poutbuf_size= buf_size;
         ^
189.     if(avctx->extradata){
190.         if(  (keyframe && (avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER))

libavcodec/parser.c:189:8: Taking true branch
187.     *poutbuf= (uint8_t *) buf;
188.     *poutbuf_size= buf_size;
189.     if(avctx->extradata){
            ^
190.         if(  (keyframe && (avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER))
191.             /*||(s->pict_type != AV_PICTURE_TYPE_I && (s->flags & PARSER_FLAG_DUMP_EXTRADATA_AT_NOKEY))*/

libavcodec/parser.c:190:15: Taking true branch
188.     *poutbuf_size= buf_size;
189.     if(avctx->extradata){
190.         if(  (keyframe && (avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER))
                   ^
191.             /*||(s->pict_type != AV_PICTURE_TYPE_I && (s->flags & PARSER_FLAG_DUMP_EXTRADATA_AT_NOKEY))*/
192.             /*||(? && (s->flags & PARSER_FLAG_DUMP_EXTRADATA_AT_BEGIN)*/){

libavcodec/parser.c:190:28: Taking true branch
188.     *poutbuf_size= buf_size;
189.     if(avctx->extradata){
190.         if(  (keyframe && (avctx->flags2 & CODEC_FLAG2_LOCAL_HEADER))
                                ^
191.             /*||(s->pict_type != AV_PICTURE_TYPE_I && (s->flags & PARSER_FLAG_DUMP_EXTRADATA_AT_NOKEY))*/
192.             /*||(? && (s->flags & PARSER_FLAG_DUMP_EXTRADATA_AT_BEGIN)*/){

libavcodec/parser.c:193:13: 
191.             /*||(s->pict_type != AV_PICTURE_TYPE_I && (s->flags & PARSER_FLAG_DUMP_EXTRADATA_AT_NOKEY))*/
192.             /*||(? && (s->flags & PARSER_FLAG_DUMP_EXTRADATA_AT_BEGIN)*/){
193.             int size= buf_size + avctx->extradata_size;
                 ^
194.             *poutbuf_size= size;
195.             *poutbuf= av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);

libavcodec/parser.c:194:13: 
192.             /*||(? && (s->flags & PARSER_FLAG_DUMP_EXTRADATA_AT_BEGIN)*/){
193.             int size= buf_size + avctx->extradata_size;
194.             *poutbuf_size= size;
                 ^
195.             *poutbuf= av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
196. 

libavcodec/parser.c:195:13: 
193.             int size= buf_size + avctx->extradata_size;
194.             *poutbuf_size= size;
195.             *poutbuf= av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
                 ^
196. 
197.             memcpy(*poutbuf, avctx->extradata, avctx->extradata_size);

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:72:9: Taking true branch
  70. 
  71.     /* let's disallow possible ambiguous cases */
  72.     if (size > (INT_MAX-32) || !size)
              ^
  73.         return NULL;
  74. 

libavutil/mem.c:73:9: 
  71.     /* let's disallow possible ambiguous cases */
  72.     if (size > (INT_MAX-32) || !size)
  73.         return NULL;
              ^
  74. 
  75. #if CONFIG_MEMALIGN_HACK

libavutil/mem.c:117:1: return from a call to av_malloc
  115. #endif
  116.     return ptr;
  117. }
       ^
  118. 
  119. void *av_realloc(void *ptr, size_t size)

libavcodec/parser.c:197:13: 
195.             *poutbuf= av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE);
196. 
197.             memcpy(*poutbuf, avctx->extradata, avctx->extradata_size);
                 ^
198.             memcpy((*poutbuf) + avctx->extradata_size, buf, buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
199.             return 1;
