Function append_buffer

libavcodec/omx.c:240–248

                    (OFF(input_cond),  OFF(output_cond),  OFF(state_cond)));

static void append_buffer(pthread_mutex_t *mutex, pthread_cond_t *cond,
                          int* array_size, OMX_BUFFERHEADERTYPE **array,
                          OMX_BUFFERHEADERTYPE *buffer)
{
    pthread_mutex_lock(mutex);
    array[(*array_size)++] = buffer;
    pthread_cond_broadcast(cond);
    pthread_mutex_unlock(mutex);
}

static OMX_BUFFERHEADERTYPE *get_buffer(pthread_mutex_t *mutex, pthread_cond_t *cond,
                                        int* array_size, OMX_BUFFERHEADERTYPE **array,