static void avcodec_default_free_buffers(AVCodecContext *s){
void avcodec_default_free_buffers(AVCodecContext *s){
static void avcodec_default_free_buffers(AVCodecContext *s){    int i, j;    if(s->internal_buffer==NULL) return;        for(i=0; i<INTERNAL_BUFFER_SIZE; i++){        InternalBuffer *buf= &((InternalBuffer*)s->internal_buffer)[i];        for(j=0; j<4; j++){            av_freep(&buf->base[j]);            buf->data[j]= NULL;        }    }    av_freep(&s->internal_buffer);        s->internal_buffer_count=0;}